�??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#20122;&#27954;&#24615;&#26080;&#30721;&#97;&#118;&#22312;&#32447;&#44;&#26085;&#26412;&#20122;&#27954;&#27431;&#27954;&#20813;&#36153;&#22825;&#22530;&#21320;&#22812;&#30475;&#29255;&#22899;&#20154;&#21592;&#44;&#20122;&#27954;&#27431;&#27954;&#22269;&#20135;&#32508;&#21512;&#65;&#86;&#26080;&#30721;&#20037;&#20037;</title><link>http://www.tkk7.com/RexMao/</link><description>分��njava技术与生活</description><language>zh-cn</language><lastBuildDate>Fri, 09 May 2025 14:27:08 GMT</lastBuildDate><pubDate>Fri, 09 May 2025 14:27:08 GMT</pubDate><ttl>60</ttl><item><title>Oracle SQLPLUS 常用命��o���结�Q�一�Q?/title><link>http://www.tkk7.com/RexMao/archive/2008/05/17/201089.html</link><dc:creator>Rex Mao</dc:creator><author>Rex Mao</author><pubDate>Sat, 17 May 2008 06:11:00 GMT</pubDate><guid>http://www.tkk7.com/RexMao/archive/2008/05/17/201089.html</guid><wfw:comment>http://www.tkk7.com/RexMao/comments/201089.html</wfw:comment><comments>http://www.tkk7.com/RexMao/archive/2008/05/17/201089.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.tkk7.com/RexMao/comments/commentRss/201089.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/RexMao/services/trackbacks/201089.html</trackback:ping><description><![CDATA[<p dir="ltr" style="margin-right: 0px"><br />
<strong>1. 昄���当前�q�接�?/strong><br />
<br />
SQL�Q?br />
<span style="color: #999999"><span style="color: #999999"><span style="color: #999999"><span style="color: #000000; background-color: #c0c0c0"><font style="background-color: #c0c0c0" color="#999999"><span style="color: #999999"><span style="color: #999999"><span style="color: #999999"><span style="color: #000000; background-color: #ffffff"><font color="#999999">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font>SELECT *&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;FROM V$SESSION&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;WHERE STATUS = 'INACTIVE'&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AND USERNAME IS NOT NULL;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span></span></span></font><span style="background-color: #999999"><br />
</span></span></span></span><span style="color: #000000; background-color: #999999"><br />
</span></span></p>
<strong>2. 强制关闭用户的连�?/strong><br />
<br />
SQL:<br />
<span style="background-color: #ffffff"><span style="color: #000000"><span style="background-color: #c0c0c0"><font style="background-color: #c0c0c0"><span style="background-color: #ffffff"><span style="color: #000000">&nbsp;&nbsp;&nbsp; a) SELECT&nbsp;USERNAME, SID,&nbsp;SERIAL#&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;FROM V$SESSION&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;WHERE STATUS = 'INACTIVE'&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AND USERNAME IS NOT NULL;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
&nbsp;&nbsp;&nbsp;&nbsp;b) ALTER SYSTEM&nbsp;KILL SESSION 'SID, SERIAL#'; --SID �?SERIAL#是在步骤a)中得到的�l�果�?/span></span></font><br />
</span></span></span><br />
<strong>3.&nbsp;从返回的�l�果中选择�W�m到n条记�?/strong><br />
<br />
SQL:<br />
<span style="background-color: #c0c0c0"><span style="background-color: #ffffff">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span style="color: #000000">SELECT *&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;FROM (&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SELECT A.*, ROWNUM RN&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;FROM (&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SELECT *&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;FROM&nbsp;YOURTABLE --�q�里��L��你的SELECT语句代替&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ) A&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;WHERE ROWNUM &lt;= n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; )&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;WHERE RN &gt;= m;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
</span></span></span>&nbsp;&nbsp;&nbsp;&nbsp;<br />
<strong>4. 重新�~�译�?(package) �?包体 (package body)</strong><br />
&nbsp;&nbsp;&nbsp; 此命令可以用于查看在SQLPLUS中创建的package的编译错误�?br />
<br />
SQL:<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a)&nbsp;�~�译 package<br />
<span style="color: #000000; background-color: #c0c0c0"><span style="background-color: #ffffff"><span style="background-color: #c0c0c0"><span style="color: #000000"><span style="background-color: #ffffff"><span style="color: #000000"><span style="color: #000000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span style="color: #000000">ALTER PACKAGE YOUR_PACKAGE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; COMPILE SPECIFICATION;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span style="color: #999999"><span style="color: #000000"><br />
</span></span></span></span></span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b)&nbsp;�~�译 package body</span></span></span></span></span><br />
<span style="color: #000000; background-color: #ffffff">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ALTER PACKAGE YOUR_PACKAGE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; COMPILE BODY;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #000000"><br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c) 查看错误<br />
</span><span style="color: #000000; background-color: #c0c0c0"><span style="background-color: #ffffff"><span style="color: #000000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SHOW ERR;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span><br />
</span><br />
<strong>5. 解除锁定的用�?br />
<br />
SQL:<br />
SQL:<br />
</strong>&nbsp;&nbsp;&nbsp;&nbsp;ALERT USER USERNAME UNLOCK;<br />
<br />
<br />
&nbsp;<span style="color: #000000"><span style="color: #c0c0c0"><span style="background-color: #999999"><br />
</span></span></span>
<img src ="http://www.tkk7.com/RexMao/aggbug/201089.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/RexMao/" target="_blank">Rex Mao</a> 2008-05-17 14:11 <a href="http://www.tkk7.com/RexMao/archive/2008/05/17/201089.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>JAVA文�g传输�E�序</title><link>http://www.tkk7.com/RexMao/archive/2007/11/03/157892.html</link><dc:creator>Rex Mao</dc:creator><author>Rex Mao</author><pubDate>Sat, 03 Nov 2007 03:19:00 GMT</pubDate><guid>http://www.tkk7.com/RexMao/archive/2007/11/03/157892.html</guid><wfw:comment>http://www.tkk7.com/RexMao/comments/157892.html</wfw:comment><comments>http://www.tkk7.com/RexMao/archive/2007/11/03/157892.html#Feedback</comments><slash:comments>5</slash:comments><wfw:commentRss>http://www.tkk7.com/RexMao/comments/commentRss/157892.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/RexMao/services/trackbacks/157892.html</trackback:ping><description><![CDATA[�q�个是我做的另一个毕业设计，使用的最基本的socket通信实现文�g传输�Q���用该�E�序可同时给多个人发送不同的文�g�q�支持断点箋传�?br />
�׃��只�ؓ毕业设计而写的，只实��C��功能�Q�没有在速度上优化，发上来只为给要做�c�M���E�序的朋友做个参考。以下是毕业论文中的节选�?br />
<p>源代码已�l�上传了�?br />
<span style="font-family: 宋体"><br />
�W?/span>3<span style="font-family: 宋体">�?nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 设计文档</span></p>
<p>3<span style="font-family: 宋体">�Q?/span>1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-family: 宋体">��d��概述</span></p>
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-family: 宋体">本项��d��要开发一��?/span>P2P<span style="font-family: 宋体">文�g传输软�g�Q�该软�g可以在局域网和互�q�上使用�Q�具有文件传输，断点�l�传�Q�多�U�程�q�接�{�功能�?/span></p>
<p>3<span style="font-family: 宋体">�Q?/span>1<span style="font-family: 宋体">�Q?/span>1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-family: 宋体">开发背�?/span></p>
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-family: 宋体">随着�|�络的普及，在网�l�中交换信息�Q�特别是文�g成�ؓ使用�|�络时经常性工作，现有的文件传输工具如</span>QQ<span style="font-family: 宋体">�?/span>MSN<span style="font-family: 宋体">�{�，主要功能是作为即旉���讯工具使用�Q�而且在局域网中��用时仍需�q�接��C���q�网。本文开发的软�g��Z��</span>P2P<span style="font-family: 宋体">�l�构实现文�g传输�Q�不依靠服务器维护用戯���料，所以，只要两台机器可以�q�通，���可以进行文件传输�?/span></p>
<p>3<span style="font-family: 宋体">�Q?/span>1<span style="font-family: 宋体">�Q?/span>2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-family: 宋体">定义</span></p>
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; P2P<span style="font-family: 宋体">�Q�即</span>peer-to-peer<span style="font-family: 宋体">�Q�可以理解�ؓ点对点，或对�{�传输的意思�?/span></p>
<p>3<span style="font-family: 宋体">�Q?/span>1<span style="font-family: 宋体">�Q?/span>3&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-family: 宋体">开发工�?/span></p>
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-family: 宋体">开发采�?/span>JAVA<span style="font-family: 宋体">语言�Q�开发工具�ؓ</span>jbuilder 2005</p>
<p>3<span style="font-family: 宋体">�Q?/span>2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-family: 宋体">文�g传输业务���程</span></p>
<p>3<span style="font-family: 宋体">�Q?/span>2<span style="font-family: 宋体">�Q?/span>1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-family: 宋体">通讯��序关系</span></p>
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-family: 宋体">在文件传输时�Q�传输过�E�可以简单的分�ؓ</span>4<span style="font-family: 宋体">步，如图</span> <span style="font-family: 宋体">�Q?/span></p>
<p style="margin-left: 57.75pt; text-indent: -36.75pt; tab-stops: list 57.75pt">1�?span style="font: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="font-family: 宋体">由文件发送者发��h��件传输，他首先发送文件名�Q�文件大���，验证消息�{�信息给文�g接收者�?/span></p>
<p style="margin-left: 57.75pt; text-indent: -36.75pt; tab-stops: list 57.75pt">2�?span style="font: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="font-family: 宋体">文�g接收者收到文件信息和发送者信息，军_��是否接收�Q�如不接�Ӟ��则发送拒�l�接收消息给文�g发送者，文�g传输�l�束。如同意接收�Q�发送同意接收消息和文�g传输起始字节�Q�用于断点箋传）�l�发送者�?/span></p>
<p style="margin-left: 57.75pt; text-indent: -36.75pt; tab-stops: list 57.75pt">3�?span style="font: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="font-family: 宋体">发送者开始发送文件数据包�Q�直到最后一个文件数据包�Q�发送者在最后一个文件数据包上加上标记�?/span></p>
<p style="margin-left: 57.75pt; text-indent: -36.75pt; tab-stops: list 57.75pt">4�?span style="font: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="font-family: 宋体">接收者识别最后一个文件数据包�Q�文件传输成功�?/span></p>
<img alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/1.JPG" border="0" /><br />
<p class="MsoNormal"><span lang="EN-US">3</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">�Q?/span><span lang="EN-US">2</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">�Q?/span><span lang="EN-US">2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">文�g发送端的详�l�业务流�E?/span></p>
<img height="778" alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/2.JPG" width="539" border="0" /><br />
&nbsp;
<p><span style="font-family: 宋体">图中昄���了发送文件时的详�l�业务流�E��?/span></p>
<p>1<span style="font-family: 宋体">、首先，要选择要发送的文�g�Q�可以选择一个文件或同一个文件夹下的多个文�g发送，当选择多个文�g�Ӟ��软�g����ؓ每个文�g建立一个传输线�E�。选择文�g后，发送者要填写目标</span>IP<span style="font-family: 宋体">和端口，�׃��是基�?/span>P2P<span style="font-family: 宋体">的文件传输，不存在服务器�l�护好友列表�Q�所以需要知道目�?/span>IP<span style="font-family: 宋体">才能传输文�g�Q�用户也可以填写验证消息用于描述自己的��n份和文�g的介�l��?/span></p>
<p>2<span style="font-family: 宋体">、发送者收到确认包�Q�判断是否接收文�Ӟ��如果不接�Ӟ��则传输结束，如果接收�Q�则打开要发送的文�g�Q�设�|��v始传输字节�?/span></p>
<p>3<span style="font-family: 宋体">、发送者读取一个文件片�D�，加入是否是最后一个文件片�D늚�标志�Q�打包发�l�接收者�?/span></p>
<p>4<span style="font-family: 宋体">、发送完最后一个文件片�D�|���Q�文件传输结束�?/span></p>
<p>3<span style="font-family: 宋体">�Q?/span>2<span style="font-family: 宋体">�Q?/span>3&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-family: 宋体">文�g接收者详�l�业务流�E?/span></p>
<img height="667" alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/3.JPG" width="549" border="0" /><br />
&nbsp;
<p style="margin-left: 18pt; text-indent: -18pt; tab-stops: list 18.0pt">1�?nbsp;<span style="font-family: 宋体">从一打开软�g开始，监听�U�程��׃��启动�Q�这时用户就扮演者文件接收者的角色�Q�当有文件发送者发来请求时�Q�监听线�E�徏立与发送者的�q�接�Q��ƈ创徏传输�U�程�Q�接收者得到发送者传来的文�g信息和验证消息，用户�q�能得到发送者的</span>IP<span style="font-family: 宋体">地址�Q�用��h��据这些信息决定是否接收文�Ӟ���q�发送确认包�l�发送者，���认包里包含了是否接收的标志�Q�和开始传输的起始字节�?/span></p>
<p style="margin-left: 18pt; text-indent: -18pt; tab-stops: list 18.0pt">2�?nbsp;<span style="font-family: 宋体">接收者开始接收数据包�Q�解包，写入文�g中，直到最后一个文件片�D�，关闭文�g�Q�文件传输结束�?/span></p>
<p>3<span style="font-family: 宋体">�Q?/span>3&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-family: 宋体">软�g的传输协议设�?/span></p>
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-family: 宋体">��Z��更好的控制文件传输的���程�Q�开发设计了文�g传输协议�Q�该协议属于应用层协议，��Z��不��传输�q�程�q�于复杂�Q�协议尽量简单设计。主要的内容是传输包的格式�?/span></p>
<p>3<span style="font-family: 宋体">�Q?/span>3<span style="font-family: 宋体">�Q?/span>1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-family: 宋体">传输包的格式<br />
</span></p>
<img height="69" alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/t0.JPG" width="575" border="0" /><br />
&nbsp;
<p><span style="font-family: 宋体">其中传输包的�c�d���?/span>3<span style="font-family: 宋体">�U�：</span></p>
<p>PACKAGE_TYPE_FILENAME = 0x01</p>
<p><span style="font-family: 宋体">文�g名包�Q�该包用于文件发送者向接收者发送文件信息和验证消息</span></p>
<p>PACKAGE_TYPE_CONTEXT = 0x02</p>
<p><span style="font-family: 宋体">文�g内容包，该包用于传输文�g内容</span></p>
<p>PACKAGE_TYPE_CONFIRMRECEIVE = 0x03</p>
<p><span style="font-family: 宋体">文�g传输���认包，该包用于文�g接收者向发送者确认文件的接收</span></p>
<p>3<span style="font-family: 宋体">�Q?/span>3<span style="font-family: 宋体">�Q?/span>2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-family: 宋体">文�g名包格式<br />
<img height="67" alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/t1.JPG" width="599" border="0" /></span></p>
<br />
&nbsp;
<p class="MsoNormal"><span lang="EN-US">3</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">�Q?/span><span lang="EN-US">3</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">�Q?/span><span lang="EN-US">3&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">文�g传输包格�?br />
<img height="69" alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/t2.JPG" width="458" border="0" /><br />
</span></p>
&nbsp;
<p><span style="font-family: 宋体">其中</span>MORE_DATA<span style="font-family: 宋体">用于���认是否是文件片�D늚�最后一个包�Q�以�l�束文�g的传输�?/span>0<span style="font-family: 宋体">表示没有数据�Q?/span>1<span style="font-family: 宋体">表示�q�有数据�?/span></p>
<p style="margin-left: 18pt; text-indent: -18pt; tab-stops: list 18.0pt">3�Q?nbsp;3<span style="font-family: 宋体">�Q?/span>4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-family: 宋体">文�g接受���认包格�?/span></p>
<img height="68" alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/t3.JPG" width="369" border="0" /><br />
&nbsp;
<p><span style="font-family: 宋体">其中</span>CONFIRM_FLAG<span style="font-family: 宋体">表示是否���认文�g接收�Q?/span>1<span style="font-family: 宋体">表示接收�Q?/span>0<span style="font-family: 宋体">表示不接�Ӟ��当接收时�Q?/span>OFF<span style="font-family: 宋体">表示文�g传输的�v始字节，用来实现断点�l�传�?/span></p>
<p style="margin-left: 42pt; text-indent: -42pt; tab-stops: list 42.0pt">3�Q?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font: 7pt 'Times New Roman'">&nbsp;</span><span style="font-family: 宋体">文�g传输的状态机</span></p>
<p style="margin-left: 21pt"><span style="font-family: 宋体">文�g传输�U�程的地层其实就是一个状态�{换机�Q�线�E�具有几个状态，�U�程从文件名传输状态开始，�Ҏ��文�g传输的不同情况，在各个状态间转换�Q�直��C��输成功或传输��p�|�?/span></p>
<p style="margin-left: 21pt">FILE_TRANS_STATUS_FILENAME = 0x01</p>
<p style="margin-left: 21pt"><span style="font-family: 宋体">文�g名称传输状态，文�g传输刚徏立连接时�Q�传输状态处于文件名传输状�?/span></p>
<p style="margin-left: 21pt">FILE_TRANS_STATUS_CONTEXT = 0x02</p>
<p style="margin-left: 21pt"><span style="font-family: 宋体">文�g内容传输转台�Q�在传输文�g内容�Ӟ��传输状态属于该状�?/span></p>
<p style="margin-left: 21pt">FILE_TRANS_STATUS_WAITFORCONFIRM = 0x03</p>
<p style="margin-left: 21pt"><span style="font-family: 宋体">�{�待���认状态，文�g发送者，发送完文�g信息和验证消息后�Q�处于该状态，文�g接收者接收到文�g信息和验证消息后处于该状�?/span></p>
<p style="margin-left: 21pt">FILE_TRANS_STATUS_SUCCESS = 0x04</p>
<p style="margin-left: 21pt"><span style="font-family: 宋体">文�g传输成功状态，表示文�g已成功传输完�?/span></p>
<p style="margin-left: 21pt">FILE_TRANS_STATUS_FAIL = 0x05</p>
<p style="margin-left: 21pt"><span style="font-family: 宋体">文�g传输��p�|状态，表示文�g传输已经��p�|�Q�失败原因可能是�Ҏ��取消了文件传输或�|�络错误</span></p>
<img height="298" alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/4.JPG" width="544" border="0" /><br />
<br />
<img height="309" alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/5.JPG" width="554" border="0" /><br />
&nbsp;
<p class="MsoNormal" style="margin-left: 42pt; text-indent: -42pt; mso-list: l0 level2 lfo1; tab-stops: list 42.0pt"><span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore">3�Q? <span style="font: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">�l�构设计</span></p>
<p class="MsoNormal" style="margin-left: 21pt"><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">软�g主要�?/span><span lang="EN-US">MainFrame,TransFileManager,SocketThread,Server,TransFilePanel</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">五个�c�L��成图</span> <span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">表示了这几个�c�M��间的关系�?/span></p>
<img height="382" alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/6.JPG" width="632" border="0" /><br />
&nbsp;
<p style="margin-left: 21pt"><span style="font-family: 宋体">�c�d��能介�l?/span></p>
<p style="margin-left: 21pt">MainFrame</p>
<p style="margin-left: 21pt">MainFrame<span style="font-family: 宋体">�c�L��软�g的主界面�c�，负责与用��L��交互�?/span></p>
<p style="margin-left: 21pt">TransFileManager</p>
<p style="margin-left: 21pt">TransFileManager<span style="font-family: 宋体">�c�L��文�g传输的控制类�Q�负责管理文件的传输�Q�它�l�护一个传输线�E�（</span>SocketThread<span style="font-family: 宋体">�Q�的列表�Q�每个线�E�都表示一个正在传输的��d���?/span>TransFileManager<span style="font-family: 宋体">�c�d��时的扫描各个�U�程的状态，�Ҏ��不同状态做��Z��同处理，如计���传输速度�Q�显�C�Z��输进度等�?/span></p>
<p style="margin-left: 21pt">SocketThread</p>
<p style="margin-left: 21pt">SocketThread<span style="font-family: 宋体">�c�L��文�g传输�U�程�c�，它负责底层的具体传输工作�Q�包括打包与解包�Q��ƈ且�{换自��q��状态，完成文�g的传输�?/span></p>
<p style="margin-left: 21pt">Server</p>
<p style="margin-left: 21pt">Server<span style="font-family: 宋体">�c�L���?/span>TransFileManager<span style="font-family: 宋体">�c�M��用的�Q�它负责本地端口的监听，一旦有用户�q�接�Q?/span>TransFileManager<span style="font-family: 宋体">���创��Z��个传输线�E�，攑օ��U�程列表。而它�l�箋监听端口�?/span></p>
<p style="margin-left: 21pt">TransFilePanel</p>
<p style="margin-left: 21pt">TransFilePanel<span style="font-family: 宋体">是一个面板，它用有按钮、进度条�Q�标�{����用来昄���文�g的传输状态�?/span></p>
<p style="margin-left: 42pt; text-indent: -42pt; tab-stops: list 42.0pt">3�Q?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-family: 宋体">�c�设�?/span></p>
<p>3<span style="font-family: 宋体">�Q?/span>6<span style="font-family: 宋体">�Q?/span>1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; MainFrame</p>
<p><span style="font-family: 宋体">该类是视囄����Q�是软�g的主界面�?br />
<img height="247" alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/7.JPG" width="225" border="0" /><br />
</span></p>
&nbsp;
<p><span style="font-family: 宋体">成员变量�Q?/span></p>
<p>contentPane</p>
<p>contentPane<span style="font-family: 宋体">�?/span>JPanel<span style="font-family: 宋体">�cȝ��对象�Q�是�ȝ��面的面板�?/span></p>
<p>jbtnSend</p>
<p>jbtnSend<span style="font-family: 宋体">�?/span>JButton<span style="font-family: 宋体">�c�d��象，点击它将打开文�g传输对话框�?/span></p>
<p>jbtnSetting</p>
<p>jbtnSetting<span style="font-family: 宋体">�?/span>JButton<span style="font-family: 宋体">�c�d��象，点击它将打开讄���对话框�?/span></p>
<p>jlblIP</p>
<p>jlblIP<span style="font-family: 宋体">�?/span>JLable<span style="font-family: 宋体">�c�d��象，它显�C�本机的</span>IP<span style="font-family: 宋体">地址�Q�方便文件的传输�?/span></p>
<p>jtpTransFile</p>
<p>jtpTransFile<span style="font-family: 宋体">�?/span>JTabbedPane<span style="font-family: 宋体">�c�d��象，是选项卡控�Ӟ��用于昄���多个文�g同时传输�?/span></p>
<p>tfm</p>
<p>tfm<span style="font-family: 宋体">�?/span>TransFileManager<span style="font-family: 宋体">�c�d��象，负责控制文�g的传输�?/span></p>
<p><span style="font-family: 宋体">成员�Ҏ���Q?/span></p>
<p>jbtnSend_anctionPerformed()</p>
<p><span style="font-family: 宋体">该方法�ؓ</span>jbtnSend<span style="font-family: 宋体">按钮的点��M���?/span></p>
<p>jbtnSetting_actionPerformed()</p>
<p><span style="font-family: 宋体">该方法�ؓ</span>jbtnSetting<span style="font-family: 宋体">按钮的点��M���?/span></p>
<p>This_windowClosed()</p>
<p><span style="font-family: 宋体">该方法�ؓ�H�口关闭事�g</span></p>
<p><span style="font-family: 宋体">界面截图�Q?/span></p>
<img height="375" alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/8.JPG" width="457" border="0" /><br />
&nbsp;
<p>3<span style="font-family: 宋体">�Q?/span>6<span style="font-family: 宋体">�Q?/span>2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TransFileManager<span style="font-family: 宋体">�c?/span></p>
<p><span style="font-family: 宋体">该类负责传输�q�程中对各个传输�U�程的检���与控制�?/span></p>
<img height="301" alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/9.JPG" width="176" border="0" /><br />
&nbsp;
<p><span style="font-family: 宋体">成员变量�Q?/span></p>
<p>jtp</p>
<p>jtp<span style="font-family: 宋体">是选项卡控件对象，�?/span>MainFrame<span style="font-family: 宋体">�c�M��</span>jtpTransFile<span style="font-family: 宋体">对象的一个引用�?/span></p>
<p>panelist</p>
<p>paneList<span style="font-family: 宋体">�?/span>ArrayList<span style="font-family: 宋体">�c�d��象，它是一个链表结构，存储使用的选项卡�?/span></p>
<p>running</p>
<p>running<span style="font-family: 宋体">是一�?/span>boolean<span style="font-family: 宋体">型的对象�Q�用来表�C�线�E�是否在执行�?/span></p>
<p>s</p>
<p>s<span style="font-family: 宋体">�?/span>Server<span style="font-family: 宋体">�cȝ��对象�Q�用来坚听本地端口，�{�待用户的连接�?/span></p>
<p>threadList</p>
<p>threadList<span style="font-family: 宋体">�?/span>ArrayList<span style="font-family: 宋体">�c�d��象，它是一个链表结构，存储使用的传输线�E��?/span></p>
<p>maxThreadNum</p>
<p>maxTreadNum<span style="font-family: 宋体">是整型变量，表示最大允许的�U�程数�?/span></p>
<p>port</p>
<p>port<span style="font-family: 宋体">是整型变量，表示使用的端口号�?/span></p>
<p><span style="font-family: 宋体">成员�Ҏ���Q?/span></p>
<p>close()</p>
<p><span style="font-family: 宋体">该方法用于关闭文件传输的控制�?/span></p>
<p>sendFile()</p>
<p><span style="font-family: 宋体">该方法用于徏立一个文件发送，要求输入参数为，目标</span>IP<span style="font-family: 宋体">�Q�端口号�Q�要发送的文�g和验证消息�?/span></p>
<p style="margin-left: 54pt; text-indent: -54pt; tab-stops: list 54.0pt">3�Q?�Q?<span style="font: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>SocketThread<span style="font-family: 宋体">�c?/span></p>
<p>SocketThread<span style="font-family: 宋体">�c�L��文�g传输的底层支持类�Q�它提供文�g传输的服务�?/span></p>
<img height="487" alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/10.JPG" width="592" border="0" /><br />
&nbsp;
<p><span style="font-family: 宋体">成员变量�Q?/span></p>
<p>sendBuf</p>
<p>sendBuf<span style="font-family: 宋体">是一个字节型数据�Q�它是文件发送和接收时的�~�冲区�?/span></p>
<p>dis</p>
<p>dis<span style="font-family: 宋体">�?/span>DataInputStream<span style="font-family: 宋体">型对象，它是�?/span>Socket<span style="font-family: 宋体">对象得到的输入流�?/span></p>
<p>dos</p>
<p>dos<span style="font-family: 宋体">�?/span>DataOutputStream<span style="font-family: 宋体">型对象，它是�?/span>Socket<span style="font-family: 宋体">对象得到的输出流�?/span></p>
<p>fDis</p>
<p>fDis<span style="font-family: 宋体">�?/span>DataInputStream<span style="font-family: 宋体">型对象，它是要发送的文�g的输入流�?/span></p>
<p>raf</p>
<p>raf<span style="font-family: 宋体">�?/span>RandomAccessFile<span style="font-family: 宋体">型对象，该对象允许设�|�输出流的位�|�，以支持断点箋传�?/span></p>
<p>running</p>
<p>running<span style="font-family: 宋体">是一�?/span>boolean<span style="font-family: 宋体">型对象，用来表示�U�程是否在执行�?/span></p>
<p>serverName</p>
<p>serverName<span style="font-family: 宋体">是字�W�串型对象，表示服务器的地址�Q�该对象只有在线�E�作为发送者时使用�?/span></p>
<p>errorMessage</p>
<p>errorMessage<span style="font-family: 宋体">是字�W�串型对象，表示出错的信息�?/span></p>
<p>fileName</p>
<p>fileName<span style="font-family: 宋体">是字�W�串型对象，表示文�g名�?/span></p>
<p>fileSender</p>
<p>fileSender<span style="font-family: 宋体">是一�?/span>boolean<span style="font-family: 宋体">型对象，表示是文件发送者还是文件接收者�?/span></p>
<p>IP</p>
<p>IP<span style="font-family: 宋体">是字�W�串型对象，用来存放目的机的</span>IP<span style="font-family: 宋体">地址�?/span></p>
<p>message</p>
<p>message<span style="font-family: 宋体">是字�W�串型对象，用来表示验证信息�?/span></p>
<p>port</p>
<p>port<span style="font-family: 宋体">是整型变量，表示�q�接的端口号�?/span></p>
<p>transFileLength</p>
<p>transFileLength<span style="font-family: 宋体">是长整型变量�Q�表�C�已�l�传输的文�g长度�Q?/span>TransFileManager<span style="font-family: 宋体">可以用它来计���传输进度和传输速度</span></p>
<p><span style="font-family: 宋体">成员�Ҏ���Q?/span></p>
<p>cancelTrans()</p>
<p><span style="font-family: 宋体">该方法用于取消传�?/span></p>
<p>confirmReceiveFile()</p>
<p><span style="font-family: 宋体">该方法用于确认传输文�?/span></p>
<p><span style="font-family: 宋体">参数</span>flag<span style="font-family: 宋体">用来表示是否同意传输</span></p>
<p><span style="font-family: 宋体">参数</span>fileName<span style="font-family: 宋体">用来表示保存的文�?/span></p>
<p><span style="font-family: 宋体">参数</span>off<span style="font-family: 宋体">用来表示起始传输字节</span></p>
<p>getFileTransMessage()</p>
<p><span style="font-family: 宋体">该方法用于得到文件传输的基本信息。如�Q�文件发送的目标�Q�端口号�{��?/span></p>
<p>getStatus()</p>
<p><span style="font-family: 宋体">该方法返回一个整型变量，表示当前�U�程的传输状态�?/span></p>
<p>run()</p>
<p><span style="font-family: 宋体">�U�程的执行方法，该方法中循环执行发送或接收�Ҏ���Q�完成文件的发送或接收�?/span></p>
<p>setError()</p>
<p><span style="font-family: 宋体">该方法通过一个字�W�串型的参数讄���错误信息�?/span></p>
<p>stopThread()</p>
<p><span style="font-family: 宋体">该方法用于停止线�E�的执行�?/span></p>
<p>doPackage()</p>
<p><span style="font-family: 宋体">打包�Ҏ���Q�该�Ҏ��中，�Ҏ���U�程所处的不同状态，�Ҏ��据加入不同的包头和其他信息，�q�行打包�?/span></p>
<p>readFromFile()</p>
<p><span style="font-family: 宋体">该方法从要发送的文�g中读取一个整型数�?/span></p>
<p>readFromSocket()</p>
<p><span style="font-family: 宋体">该方法从</span>Socket<span style="font-family: 宋体">输入���读取一个整型数�Q�它有一个重载版本读取一个字节数�l�的数据�?/span></p>
<p>receiveFile()</p>
<p><span style="font-family: 宋体">该方法�ؓ接收文�g的方法，是线�E���@环中�Q�文件接收者执行的�Ҏ���?/span></p>
<p>sendFile()</p>
<p><span style="font-family: 宋体">该方法�ؓ发送文件方法，是线�E���@环中�Q�文件发送者执行的�Ҏ���?/span></p>
<p>writeToFile()</p>
<p><span style="font-family: 宋体">该方法写一个字节数据的数据��C��存的文�g中�?/span></p>
<p>writeToSocket()</p>
<p><span style="font-family: 宋体">该方法写数据�?/span>Socket<span style="font-family: 宋体">输出���中�Q�它有三个重载版本，分别是写入整型数�Q�写入长整型数和写入字节数组数据�?/span></p>
<p style="margin-left: 54pt; text-indent: -54pt; tab-stops: list 54.0pt">3�Q?�Q?<span style="font: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>TransFilePanel<span style="font-family: 宋体">�c?/span></p>
<p style="margin-left: 21pt"><span style="font-family: 宋体">�q�个�c�d��于视囄����Q�它作�ؓ�ȝ��面上的一个对象��用，含有�q�度条，按钮�Q�标�{����对象�Q�用于显�C�文件传输状态，每一个传输线�E�都拥有自己�?/span>TransFilePanel<span style="font-family: 宋体">�c�d��象�?/span></p>
<img height="334" alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/11.JPG" width="225" border="0" /><br />
&nbsp;
<p><span style="font-family: 宋体">成员变量�Q?/span></p>
<p>fileName</p>
<p>fileName<span style="font-family: 宋体">是一个字�W�串�Q�表�C�Z��输文件的文�g名�?/span></p>
<p>fileSender</p>
<p>fileSender<span style="font-family: 宋体">�?/span>boolean<span style="font-family: 宋体">型对象，表示是文件发送者还是接收者�?/span></p>
<p>isCanneled</p>
<p>isCanneled<span style="font-family: 宋体">�?/span>boolean<span style="font-family: 宋体">型对象，传输�q�程中，用户点了取消按钮后，该标志位�|?/span>true<span style="font-family: 宋体">�Q?/span>TransFileManager<span style="font-family: 宋体">会��@环检��?/span>isCanneled<span style="font-family: 宋体">标志�Q�当发现其�ؓ</span>true<span style="font-family: 宋体">后，它会关闭对应的传输线�E�，而对方会������到传输错误�Q�文件传输就停止了�?/span></p>
<p>isClosed</p>
<p>isClosed<span style="font-family: 宋体">�?/span>boolean<span style="font-family: 宋体">型对象，它表�C�当传输�q�程已经停止�Ӟ��用户点击了关闭按钮，</span>TransFileManager<span style="font-family: 宋体">������到</span>isClosed<span style="font-family: 宋体">�?/span>true<span style="font-family: 宋体">�Ӟ��会在列表中去掉对应的传输�U�程�?/span>TransFilePanel<span style="font-family: 宋体">�?/span></p>
<p>isConfirm</p>
<p>isConfirm<span style="font-family: 宋体">�?/span>boolean<span style="font-family: 宋体">型对象，它表�C�文件接收者是否确认了文�g接收后（包括同意和拒�l�）�Q?/span>TransFileManager<span style="font-family: 宋体">������到</span>isConfirm<span style="font-family: 宋体">�?/span>true<span style="font-family: 宋体">�Ӟ��会将���认状态发�l�文件发送者�?/span></p>
<p>jbtnCannel</p>
<p>jbtnCannel<span style="font-family: 宋体">是取消按钮�?/span></p>
<p>jbtnOK</p>
<p>jbtnOK<span style="font-family: 宋体">是确定按钮�?/span></p>
<p>jpgbFileTrans</p>
<p>jpgbFileTrans<span style="font-family: 宋体">是文件传输的�q�度条�?/span></p>
<p>jtaFileTransStatus</p>
<p>jtaFileTransStatus<span style="font-family: 宋体">是一个文本框�Q�用来显�C�文件传输的状态�?/span></p>
<p>transFileLength</p>
<p>transFileLength<span style="font-family: 宋体">是一个长整型变量�Q�用来表�C�已�l�传输的文�g长度�?/span></p>
<p>status</p>
<p>status<span style="font-family: 宋体">是一个整行变量，表示文�g传输的状态，所表示的状态与</span>SocketThread<span style="font-family: 宋体">中的对应�?/span></p>
<p><span style="font-family: 宋体">界面截图</span></p>
<img height="182" alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/12.JPG" width="389" border="0" /><br />
&nbsp;
<p style="margin-left: 42pt; text-indent: -42pt; tab-stops: list 42.0pt">3�Q?<span style="font: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="font-family: 宋体">���法介绍</span></p>
<p>3<span style="font-family: 宋体">�Q?/span>7<span style="font-family: 宋体">�Q?/span>1 TransFileManager<span style="font-family: 宋体">的��@环监�?/span></p>
<p>TransFileManger<span style="font-family: 宋体">�cȝ��承了</span>Thread<span style="font-family: 宋体">�c�，实现多线�E�，避免循环监听时��生阻塞�?/span></p>
<p><span style="font-family: 宋体">以下是在每次循环中做的工�?/span></p>
<p style="margin-left: 18pt; text-indent: -18pt; tab-stops: list 18.0pt">1�?nbsp;<span style="font-family: 宋体">得到传输�U�程</span>(SocketThread)<span style="font-family: 宋体">的数量和传输状态显�C�面�?/span>(TransFilePanel)<span style="font-family: 宋体">的数量�?/span></p>
<p style="margin-left: 18pt; text-indent: -18pt; tab-stops: list 18.0pt">2�?nbsp;<span style="font-family: 宋体">从传输线�E�列表中依次取出一个传输线�E��?/span></p>
<p style="margin-left: 18pt; text-indent: -18pt; tab-stops: list 18.0pt">3�?nbsp;<span style="font-family: 宋体">判断当前取出的线�E�是否有对应的传输状态显�C�面板，如果有执�?/span>5<span style="font-family: 宋体">�Q�如果没有执�?/span>4<span style="font-family: 宋体">�?/span></p>
<p style="margin-left: 18pt; text-indent: -18pt; tab-stops: list 18.0pt">4�?nbsp;<span style="font-family: 宋体">增加传输状态显�C�面板，�q�且在主界面上增加选项卡�?/span></p>
<p style="margin-left: 18pt; text-indent: -18pt; tab-stops: list 18.0pt">5�?nbsp;<span style="font-family: 宋体">判断传输�U�程的状态，�Ҏ��不同的状态做不同的处理�?/span></p>
<p style="margin-left: 18pt; text-indent: -18pt; tab-stops: list 18.0pt">6�?nbsp;<span style="font-family: 宋体">如果列表中的�U�程取完�Q�执�?/span>1<span style="font-family: 宋体">�Q�没有取完执�?/span>2<span style="font-family: 宋体">�?/span></p>
<p><span style="font-family: 宋体">�E�序���程图：</span></p>
<br />
<img height="919" alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/13.JPG" width="585" border="0" /><br />
&nbsp;
<p>3<span style="font-family: 宋体">�Q?/span>7<span style="font-family: 宋体">�Q?/span>2 <span style="font-family: 宋体">断点�l�传</span></p>
<p><span style="font-family: 宋体">软�g支持断点�l�传的功能，该功能主要算法如下：</span></p>
<p style="margin-left: 18pt; text-indent: -18pt; tab-stops: list 18.0pt">1�?nbsp;<span style="font-family: 宋体">当文件传输中途停止时�Q�文件接收者程序�ؓ接收的文件创��Z��个以该文件名</span>+.tmp<span style="font-family: 宋体">为文件名的��时文�Ӟ��临时文�g与该文�g保存在同一个�\径下。��时文件中保存文�g以传输的字节数和文�g的大����?/span></p>
<p style="margin-left: 18pt; text-indent: -18pt; tab-stops: list 18.0pt">2�?nbsp;<span style="font-family: 宋体">当文件接收者接收该文�g�Ӟ��如果有对应的临时文�g�Q�程序会������到该文件的临时文�g�Q�读取以传输的字节数和文件大���，�q�且比较传输的字节数与未完成传输的文件大���是否相�{�，文�g大小和发送来的文件大���是否相�{�，如果都相�{�，执行</span>3<span style="font-family: 宋体">�Q�否则执�?/span>4<span style="font-family: 宋体">�?/span></p>
<p style="margin-left: 18pt; text-indent: -18pt; tab-stops: list 18.0pt">3�?nbsp;<span style="font-family: 宋体">���文件的输出���设�|�到应该�l�箋传输的位�|�，�q�将起始传输字节数发�l�发送者，执行</span>5<span style="font-family: 宋体">�?/span></p>
<p style="margin-left: 18pt; text-indent: -18pt; tab-stops: list 18.0pt">4�?nbsp;<span style="font-family: 宋体">如果有未完成的传输文�Ӟ�����其删除�Q�执�?/span>5<span style="font-family: 宋体">�?/span></p>
<p style="margin-left: 18pt; text-indent: -18pt; tab-stops: list 18.0pt">5�?nbsp;<span style="font-family: 宋体">�q�行文�g传输�?/span></p>
<p><span style="font-family: 宋体">�E�序���程图：</span></p>
<img height="417" alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/14.JPG" width="549" border="0" /><br />
<br />
<img height="782" alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/15.JPG" width="549" border="0" />�?br />
&nbsp;
<p class="MsoNormal" style="margin-left: 54pt; text-indent: -54pt; mso-list: l1 level3 lfo1; tab-stops: list 54.0pt"><span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore">3�Q?�Q?<span style="font: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">本地端口的多�q�接监听</span></p>
<p class="MsoNormal"><span lang="EN-US">Server</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">�c�d��象负责本地端口的监听�Q�可以支持多了连接，具体数量��q��戯����|��?/span></p>
<p class="MsoNormal" style="margin-left: 18pt; text-indent: -18pt; mso-list: l0 level1 lfo2; tab-stops: list 18.0pt"><span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore">1�?span style="font: 7pt 'Times New Roman'">&nbsp; </span></span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">用用戯����|�的端口创徏监听�Q�等待连接�?/span></p>
<p class="MsoNormal" style="margin-left: 18pt; text-indent: -18pt; mso-list: l0 level1 lfo2; tab-stops: list 18.0pt"><span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore">2�?span style="font: 7pt 'Times New Roman'">&nbsp; </span></span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">当有用户�q�接上后�Q�用该连接创��Z���?/span><span lang="EN-US">SocketThread</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">传输�U�程�Q�加入到�U�程列表�?/span></p>
<p class="MsoNormal" style="margin-left: 18pt; text-indent: -18pt; mso-list: l0 level1 lfo2; tab-stops: list 18.0pt"><span lang="EN-US" style="mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore">3�?span style="font: 7pt 'Times New Roman'">&nbsp; </span></span></span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">如果停止监听则退出，否则执行</span><span lang="EN-US">1</span><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">�?/span></p>
<p class="MsoNormal"><span style="font-family: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">�E�序���程图：<br />
<img height="490" alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/16.JPG" width="549" border="0" /></span></p>
<img src ="http://www.tkk7.com/RexMao/aggbug/157892.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/RexMao/" target="_blank">Rex Mao</a> 2007-11-03 11:19 <a href="http://www.tkk7.com/RexMao/archive/2007/11/03/157892.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>准备开�?/title><link>http://www.tkk7.com/RexMao/archive/2007/07/21/131596.html</link><dc:creator>Rex Mao</dc:creator><author>Rex Mao</author><pubDate>Sat, 21 Jul 2007 02:32:00 GMT</pubDate><guid>http://www.tkk7.com/RexMao/archive/2007/07/21/131596.html</guid><wfw:comment>http://www.tkk7.com/RexMao/comments/131596.html</wfw:comment><comments>http://www.tkk7.com/RexMao/archive/2007/07/21/131596.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/RexMao/comments/commentRss/131596.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/RexMao/services/trackbacks/131596.html</trackback:ping><description><![CDATA[<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;�l�过毕业后的休息�Q�来��C�����已�l�快一个星期了�Q���M��感觉一般，城市没有传说中那么现代，路上一��h�����广告，一��h����Z����C�h行横道，一��h��破破的楼房，地铁站外一��h��黑�R拉客。昨天去了外滩，才看到几处高��|��不过怎么看也没有电视上放的那��h��气势。南京�\上老外�q�是比较多（老外的眼���很�q�����Q��?br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;周一���p��工作了，又要回到与代码�ؓ伴的生活了，用键盘敲��Z��后美好的生活吧�?br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;<img height=98 alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/keyboard.jpg" width=140 border=0> 
<img src ="http://www.tkk7.com/RexMao/aggbug/131596.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/RexMao/" target="_blank">Rex Mao</a> 2007-07-21 10:32 <a href="http://www.tkk7.com/RexMao/archive/2007/07/21/131596.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>XML的DOM解析器的java实现�Q�三�Q?�c�设�?/title><link>http://www.tkk7.com/RexMao/archive/2007/05/31/121107.html</link><dc:creator>Rex Mao</dc:creator><author>Rex Mao</author><pubDate>Thu, 31 May 2007 03:32:00 GMT</pubDate><guid>http://www.tkk7.com/RexMao/archive/2007/05/31/121107.html</guid><wfw:comment>http://www.tkk7.com/RexMao/comments/121107.html</wfw:comment><comments>http://www.tkk7.com/RexMao/archive/2007/05/31/121107.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/RexMao/comments/commentRss/121107.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/RexMao/services/trackbacks/121107.html</trackback:ping><description><![CDATA[&nbsp;<br><strong>�c�设�?br><br></strong><span><span>&nbsp;&nbsp;&nbsp; </span></span><span>软�g中�v关键作用的类�?span>CharCollector</span>字符攉���器类�?span>SimpleDOMParser</span>解析内核�c�d��<span>Manager</span>中间层控制类�?br><br><strong>字符攉���器类<br></strong><br></span>
<p><img alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/CharCollector.jpg" border=0></p>
<p><span>字符攉���器类是��Y件的底层�c�，它与<span>XML</span>文�g交互�Q�读取文件中的字�W�信息，�l�过处理�Q��Ş成标�{�，文本�Q�属性等数据��Z��层提供服务�?/span></p>
<p>&nbsp;</p>
<p><span>成员变量介绍�Q?/span></p>
<p><span>aReader:Reader</span><span>对象�Q�输入流为文件输入流�Q�它��?span>XML</span>文�g的字�W�数据以���的形式提供�l�类�?/span></p>
<p><span>成员�Ҏ��介绍�Q?/span></p>
<p><span>comparedArray(): </span><span>输入�Q�两�?span>int</span>型数�l�，输出�Q?span>boolean</span>型，�q�回两个数组是否相同。用于比较两个数�l�是否相同，在方法中�Q�对两个数组的数逐一比较�?/span></p>
<p><span>hasMoreChars():&nbsp;</span><span>输入�Q�无�Q�输出：<span>boolean</span>型，表示文�g中是否还有字�W�，该方法用于确定文件中是否�q�有字符�?/span></p>
<p><span>peek():<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span>输入�Q?span>int</span>型数�l�。用于存储窥探到的字�W�，输出�Q�无�Q�该�Ҏ��用于从文件中�H�探数组长度的字�W�数据。窥探就是从文�g中读取数据后�Q�将输入���标记回以前的位�|�，以免丢失数据�?/span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span>���法����q�ͼ�</span></p>
<p><span>�?span>aReader</span>上标记数�l�的长度</span></p>
<p><span>aReader.mark(buffer.length);</span></p>
<p><span>2</span><span>、将数据依次��d��数组</span></p>
<p><span>for (int i = 0; i &lt; buffer.length; i++) {</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>buffer[i] = aReader.read();</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>}</span></p>
<p><span>恢复<span>aReader</span></span></p>
<p><span>aReader.reset();</span></p>
<p><span>peek():<span>&nbsp;&nbsp;&nbsp; </span></span><span>输入�Q�无�Q�输出：<span>int</span>型，是窥探到的字�W�，该方法从文�g中窥探一个字�W�数据�?/span></p>
<p><span>processCDATA():&nbsp;</span><span>输入�Q?span>StringBuffer</span>型，用于存放<span>CDATA</span>数据�Q�输出：无，用于处理<span>XML</span>文�g中的<span>CDATA</span>节点。得到的<span>CDATA</span>节点存放�?span>StringBuffer</span>对象中�?/span></p>
<p><span><span>&nbsp;&nbsp;&nbsp; </span></span><span>���法����q�ͼ�</span></p>
<p><span>预设两个数组</span></p>
<p><span>int[] cdataHead = {'&lt;', '!', '[', 'C', 'D', 'A', 'T', 'A', '['};</span></p>
<p><span>int[] cdataTail = {']', ']', '&gt;'};</span></p>
<p><span>�H�探<span>cdataHead</span>长度的字�W�存在数�l?span>buf</span>�?/span></p>
<p><span>peek(buf);</span></p>
<p><span>比较<span>buf</span>�?span>cdataHead</span>数组的内�Ҏ��否相同，如果不同�q�回<span>falase,</span>如果相同�l�箋执行�?/span></p>
<p><span>��?span>aReader</span>跌���<span>cdataHead</span>的长度，然后循环��d��直到�H�探的字�W�数�l�与<span>cdataTail</span>相同�Q�将中间的字�W�存攑ֈ�<span>StringBuffer</span>对象中�?/span></p>
<p><span>while (true) {</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>peek(buf);</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>if (comparedArray(buf, cdataTail)) {</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>aReader.skip(cdataTail.length);</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>flag = true;</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>break;</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>} else {</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>bufChar = aReader.read();</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>if (bufChar == -1) {</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>throw new IOException("CDATA node without end tag");</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>}</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>sb.append((char) bufChar);</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>}</span></p>
<p><span>}</span></p>
<p><span>processEntity(): </span><span>输入�Q?span>StringBuffer</span>型，用于存放实体数据�Q�输出：无，用语处理<span>XML</span>文�g中的内徏实体�c�d��。得到的实体存放�?span>StringBuffer</span>对象中�?/span></p>
<p><span>readTag():<span> </span></span><span>输入�Q�无�Q�输出：<span>String</span>型，是读到的标签�Q�从<span>XML</span>文�g中读取�ƈ整理成一个标�{�数据存攑֜�<span>String</span>对象中�?/span></p>
<p><span><span>&nbsp;&nbsp;&nbsp; </span></span><span>���法����q�ͼ�</span></p>
<p><span>�H�探一个字�W�，如果不是<span>&#8217;&lt;&#8217;</span>�Q�抛出异常。否则���l�执行�?/span></p>
<p><span>int nextChar = peek();</span></p>
<p><span>if (nextChar != '&lt;') {</span></p>
<p><span><span>&nbsp;&nbsp; </span>throw new IOException("expect '&lt;',but got '" + (char) nextChar +"'");</span></p>
<p><span>}</span></p>
<p><span>�H�探一个字�W?span>aChar</span></span></p>
<p><span>int aChar = peek();</span></p>
<p><span>如果字符�?span>&#8217;&lt;&#8217;</span>�Q�进�?span>CDATA</span>节点处理</span></p>
<p><span>if (aChar == '&lt;') {</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>if (processCDATA(sb)) {</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>aChar = peek();</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>continue;</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>}</span></p>
<p><span>}</span></p>
<p><span>&nbsp;</span><span>如果字符�?span>&#8217;&amp;&#8217;</span>�Q�进行内建实体处�?/span></p>
<p><span>if (aChar == '&amp;') {</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>if (processEntity(sb)) {</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>aChar = peek();</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>continue;</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>}</span></p>
<p><span>}</span></p>
<p><span>&nbsp;</span><span>如果字符�?span>&#8217;&gt;&#8217;</span>或文件结束，�q�回<span>StringBuffer</span>对象�?/span></p>
<p><span><span>&nbsp;&nbsp;&nbsp; </span>&nbsp;</span><span>如果是其它字�W�，加入�?span>StringBuffer</span>对象中�?/span></p>
<p><span>readText():<span>&nbsp;&nbsp; </span></span><span>输入�Q�无�Q�输出：<span>String</span>型，是读到的文本内容�Q�从<span>XML</span>文�g中读取�ƈ整理成一个文本数据存攑֜�<span>Sting</span>对象中�?/span></p>
<p><span>skipOtherTag():<span>&nbsp;&nbsp; </span></span><span>输入�Q�无�Q�输出：无，跌���一个不处理的标�{��?/span></p>
<p><span>skipOtherTags():&nbsp;</span><span>输入�Q�无�Q�输出：无，跌���多个不处理的标签�?/span></p>
<p><span>skipWhitespace():</span><span>输入�Q�无�Q�输出：无，跌����I�格�?br><br><strong>解析内核�c?br></strong><br></span></p>
<p><img height=310 alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/SimpleDOMParser.jpg" width=242 border=0></p>
<p><span><span>&nbsp;&nbsp;&nbsp; </span></span>该类用于解析<span>XML</span>文�g�Q�包�?span>parser()</span>�Ҏ���Q�是该类的核心方法�?/p>
<p>&nbsp;</p>
<p><span>成员变量介绍�Q?/span></p>
<p><span>aCharCollector:CharCollector</span><span>�c�d��象，负责字符攉����?/span></p>
<p><span>currentNode:&nbsp;SimpleElement</span><span>�c�d��象，表示当前处理的元素�?/span></p>
<p><span>Elements:<span>&nbsp;&nbsp;&nbsp;&nbsp; </span>Stack</span><span>�c�d��象，用栈的存储结构，表示元素之间的层�ơ关�p�R�?/span></p>
<p><span>成员�Ҏ��介绍�Q?/span></p>
<p><span>Parser():<span>&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span>输入�Q�无�Q�输出：<span>SimpleDocument</span>�c�d��象，是返回的整个文档树型�l�构�?/span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>&nbsp;</span><span>���法����q�ͼ�</span></p>
<p><span><span>1�?/span></span><span>��d��一个标�{?/span></p>
<p><span><span>2�?/span></span><span>判断是开始标�{�还是结束标�{�，如果是结束标�{�，转入�l�束标签处理<span>3</span></span></p>
<p><span>如果是开始标�{�，转入开始标�{�֤��?span>6</span></span></p>
<p><span><span>3�?/span></span><span>得到标签的名�U�ͼ�判断是否�?span>currentNode</span>的名�U�相同，如果相同�Q�执�?/span></p>
<p><span>4</span><span>�Q�否则抛出异�?/span></p>
<p><span><span>4�?/span></span><span>判断是否�q�有标签�Q�如果有�l�箋执行<span>5</span>�Q�否则退出�?/span></p>
<p><span><span>5�?/span></span><span>从栈中弹��Z��个节点给<span>currentNode</span>�Q�执�?span>1</span></span></p>
<p><span><span>6�?/span></span><span>得到标签的名�U�ͼ�属性，文本内容�Q�将标签加入�?span>DOM</span>树中�Q��ƈ且压栈�?/span></p>
<p><span>执行<span>1</span></span></p>
<p><span>���法的程序流�E�图<br><br><img height=612 alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/liuchenttu.jpeg" width=562 border=0><br><br><strong>中间层管理类<br></strong><br></span></p>
<p><img height=335 alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/Manager.jpg" width=251 border=0></p>
<p>中间层管理类用于控制和协调解析器与用��L��面�?/p>
<p>&nbsp;</p>
<p><span>成员变量介绍�Q?/span></p>
<p><span>isParsered: boolean</span><span>型，判断是否已经解析�q�了�?/span></p>
<p><span>document:&nbsp;SimpleDocument</span><span>型对象，表示整个<span>XML</span>文档树，也是解析器返回的�?/span></p>
<p><span>parser:<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>SimpleDOMParser</span><span>型对象，表示解析器�?/span></p>
<p><span>成员�Ҏ��介绍�Q?/span></p>
<p><span>getTreeRoot(): </span><span>输入�Q�无�Q�输出：<span>DefaultMutableTreeNode</span>型对象，是得到的树的根节点，用于得到树的根节炏V�?/span></p>
<p><span>parser():&nbsp;<span>&nbsp;&nbsp; </span></span><span>输入�Q�无�Q�输出：无，用于执行解析操作�?/span></p>
<p><span>setInputStream(): </span><span>输入�Q?span>InputStream</span>型对象，是要讄���的输入流�Q�输出：无，用于讄���解析源�?/span></p>
<p><span>setXMLFile()</span><span>�Q?span><span>&nbsp;&nbsp;&nbsp; </span>&nbsp;</span>输入�Q?span>File</span>型对象，是要讄����?span>XML</span>文�g�Q�输出：无，用于讄���<span>XML</span>文�g源�?/span></p>
<p><span>getTreeNode():<span>&nbsp;&nbsp;&nbsp; </span>&nbsp;</span><span>输入�Q?span>SimpleElement</span>型对象，是要转换的对象，输出�Q?span>DefaultMutableTreeNode</span>型对象，是�{换后的对象，�?/span></p>
<p><span>于�{换相应元素�ؓ树的节点对象�?/span></p>
<p>&nbsp;</p>
<img src ="http://www.tkk7.com/RexMao/aggbug/121107.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/RexMao/" target="_blank">Rex Mao</a> 2007-05-31 11:32 <a href="http://www.tkk7.com/RexMao/archive/2007/05/31/121107.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>XML的DOM解析器的java实现�Q�二�Q?�E�序�l�构设计</title><link>http://www.tkk7.com/RexMao/archive/2007/05/27/120276.html</link><dc:creator>Rex Mao</dc:creator><author>Rex Mao</author><pubDate>Sun, 27 May 2007 05:10:00 GMT</pubDate><guid>http://www.tkk7.com/RexMao/archive/2007/05/27/120276.html</guid><wfw:comment>http://www.tkk7.com/RexMao/comments/120276.html</wfw:comment><comments>http://www.tkk7.com/RexMao/archive/2007/05/27/120276.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.tkk7.com/RexMao/comments/commentRss/120276.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/RexMao/services/trackbacks/120276.html</trackback:ping><description><![CDATA[&nbsp;
<p><span>�l�构设计<br><img height=526 alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/b.jpeg" width=657 border=0><br></span></p>
<p><span>各个�cȝ��功能介绍</span></p>
<p><span>Node</span><span>�?/span><span>Element</span><span>�?/span><span>Document</span><span>�?/span><span>Attr</span><span>�?/span><span>W3C</span><span>�?/span><span>DOM</span><span>规范要求实现的接口。还有其它接口未列出�?/span></p>
<p><span>SimpleNode </span><span>�l�承</span><span>Node</span><span>接口�Q�实�?/span><span>Node</span><span>接口的基本功能�?/span></p>
<p>&nbsp;</p>
<p><span>SimpleElement</span><span>�l�承</span><span>Node</span><span>�?/span><span>Element</span><span>接口�Q�对�?/span><span>DOM</span><span>树中的标准节点，也就�?/span><span>XML</span><span>文�g中的一个标�{��?/span></p>
<p>&nbsp;</p>
<p><span>SimpleDocument </span><span>�l�承</span><span>Node</span><span>�?/span><span>Document</span><span>接口�Q�对应整�?/span><span>DOM</span><span>树，它是解析器解析完成后�Q�返回的对象。用户可以��用该对象讉K��整个</span><span>DOM</span><span>树�?/span></p>
<p>&nbsp;</p>
<p><span>SimpleAttr </span><span>�l�承</span><span>Node</span><span>�?/span><span>Attr</span><span>接口�Q�对�?/span><span>DOM</span><span>树中的属性节点，用于存放属性名�U�和属性倹{�?/span></p>
<p>&nbsp;</p>
<p><span>CharCollector </span><span>字符攉���器类�Q�它直接�?/span><span>XML</span><span>文�g接触�Q�根据需要向调用者提供下一个标�{�或文本�{�数据�?/span></p>
<p>&nbsp;</p>
<p><span>SimpleDOMParser </span><span>解析器的核心�c�，它���?/span><span>CharCollector</span><span>�c�，得到标签、文本等数据。���?/span><span>SimpleElement</span><span>�?/span><span>SimpleAttr</span><span>�{�类存放数据�Q�生�?/span><span>SimpleDocumnet</span><span>对象�q�回�l�调用者�?/span></p>
<p>&nbsp;</p>
<p><span>MainFrame </span><span>用户界面�c�，它将解析�l�果展示�l�用��P���q�且�Ҏ��用户的操作，与用戯���行交互�?/span></p>
<p>&nbsp;</p>
<p><span>Manager </span><span>中间层管理类�Q�它协调用户界面�Q?/span><span>MainFrame</span><span>�Q�与解析器内�?/span><span>(SimpleDOMParser)</span><span>之间的关�p�，实现解析器的控制�?/span></p>
<p>&nbsp;</p>
<p><span>内部接口设计</span></p>
<table cellSpacing=0 cellPadding=0 border=1>
    <tbody>
        <tr>
            <td vAlign=top width=134>
            <p><span>�c�d���U?/span></p>
            </td>
            <td vAlign=top width=134>
            <p><span>调用�c?/span></p>
            </td>
            <td vAlign=top width=254>
            <p><span>调用功能</span></p>
            </td>
        </tr>
        <tr>
            <td vAlign=top width=134>
            <p><span>SimpleDOMParser</span></p>
            </td>
            <td vAlign=top width=134>
            <p><span>SimpleElement</span></p>
            </td>
            <td vAlign=top width=254>
            <p><span>节点的存储，查找�Q�删除�?/span></p>
            </td>
        </tr>
        <tr>
            <td vAlign=top width=134>
            <p><span>SimpleDOMParser</span></p>
            </td>
            <td vAlign=top width=134>
            <p><span>SimpleAttr</span></p>
            </td>
            <td vAlign=top width=254>
            <p><span>属性节点的存储�Q�查找，删除�?/span></p>
            </td>
        </tr>
        <tr>
            <td vAlign=top width=134>
            <p><span>SimpleDOMParser</span></p>
            </td>
            <td vAlign=top width=134>
            <p><span>SimpleDocument</span></p>
            </td>
            <td vAlign=top width=254>
            <p><span>生成</span><span>DOM</span><span>�?/span></p>
            </td>
        </tr>
        <tr>
            <td vAlign=top width=134>
            <p><span>SimpleDomParser</span></p>
            </td>
            <td vAlign=top width=134>
            <p><span>CharCollector</span></p>
            </td>
            <td vAlign=top width=254>
            <p><span>字符攉����Q�得到标�{�与文本�{��?/span></p>
            </td>
        </tr>
        <tr>
            <td vAlign=top width=134>
            <p><span>Manager</span></p>
            </td>
            <td vAlign=top width=134>
            <p><span>SimpleDOMParser</span></p>
            </td>
            <td vAlign=top width=254>
            <p><span>解析</span><span>XML</span><span>文档</span></p>
            </td>
        </tr>
        <tr>
            <td vAlign=top width=134>
            <p><span>Manager</span></p>
            </td>
            <td vAlign=top width=134>
            <p><span>MainFrame</span></p>
            </td>
            <td vAlign=top width=254>
            <p><span>用户界面的相��x���?/span></p>
            </td>
        </tr>
    </tbody>
</table>
<p>&nbsp;</p>
<p><span>用例关系设计</span></p>
<p><img alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/c.jpeg" border=0></p>
<p><span>用例介绍</span></p>
<p><span>用户�Q?/span> <span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span><span>参与者，</span><span>&nbsp;</span><span>卌��Y件的使用者�?/span></p>
<p><span>XML</span><span>文�g�Q?/span><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span>参与者，</span><span>XML</span><span>文�g�?/span></p>
<p><span>链接的文�Ӟ��</span><span><span>&nbsp;&nbsp;&nbsp; </span></span><span>参与者，</span><span>XML</span><span>文�g中链接的外部文�g�?/span></p>
<p><span>选择</span><span>XML</span><span>文�g�Q?/span><span>&nbsp;</span><span>用户通过文�g选择框选择一个本地的</span><span>XML</span><span>文�g�?/span></p>
<p><span>选择</span><span>URL</span><span>地址�Q?/span><span>&nbsp;</span><span>用户输入一个有效的</span><span>URL</span><span>�Q�指向网�l�上�?/span><span>XML</span><span>格式的网���c�?/span></p>
<p><span>解析</span><span>XML</span><span>文�g�Q?/span><span>&nbsp;</span><span>用户���定�?/span><span>XML</span><span>文�g�q�行解析�Q�该��Ҏ��作要发生在选择</span><span>XML</span><span>文�g或选择</span><span>URL</span><span>地址之后�?/span></p>
<p><span>修改文�g�Q?/span><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>&nbsp;</span><span>用户�?/span><span>XML</span><span>文�g�q�行修改</span></p>
<p><span>保存文�g�Q?/span><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>&nbsp;</span><span>用户通过文�g选择框，选择位置保存</span><span>XML</span><span>文�g�?/span></p>
<p><span>选择</span><span>DOM</span><span>树节点：用户选择解析后的</span><span>DOM</span><span>树型�l�构上的节点�?/span></p>
<p><span>解析器解析：</span><span><span>&nbsp;&nbsp;&nbsp; </span>&nbsp;</span><span>解析器对</span><span>XML</span><span>�q�行解析</span></p>
<p><span>攉���字符�Q?/span><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>&nbsp;</span><span>字符攉���器负责处�?/span><span>XML</span><span>的字�W�数�?/span></p>
<p><span>界面展示�Q?/span><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>&nbsp;</span><span>通过树型�l�构和图表向用户展示数据�?/span></p>
<p>&nbsp;</p>
<p><span>字符攉���器有限状态机</span></p>
<p><span>DFA M=</span><span>�Q?/span><span>{S,Ts,Tp,Tq,Cp,Ep,Er,Q},{LT,RT,A,C,EC,,EOF,NL,NLRA},f,S,{Q}</span><span>�Q?/span></p>
<p>&nbsp;</p>
<p><span>其中</span> <span>字符集：</span></p>
<p><span>LT={&lt;}</span></p>
<p><span>RT={/&gt;}</span></p>
<p><span>A={&amp;amp,&amp;lt,&amp;gt,&amp;apos,&amp;qout}</span></p>
<p><span>C={&lt;!CDATA[[}</span></p>
<p><span>EC={]]&gt;}</span></p>
<p><span>EOF</span><span>代表文�g�l�束</span></p>
<p><span>NL</span><span>代表不是</span><span>&lt;</span><span>的字�W?/span></p>
<p><span>NLRA </span><span>代表除去</span><span>LT,RT,LTL,A,C</span><span>的所有字�W?/span></p>
<p>&nbsp;</p>
<p><span>状态：</span></p>
<p><span>S</span><span>�Q?/span> <span>开始状�?/span></p>
<p><span>Ts</span><span>�Q�标�{�֤�理开始状�?/span></p>
<p><span>Tp</span><span>�Q�标�{�֤�理状�?/span></p>
<p><span>Tq</span><span>�Q�标�{�֤�理结束状�?/span></p>
<p><span>Cp</span><span>�Q?/span><span>CDATA</span><span>节点处理状�?/span></p>
<p><span>Ep</span><span>�Q�内建实体处理状�?/span></p>
<p><span>Er</span><span>�Q�错误状�?/span></p>
<p><span>Q</span><span>�Q�结束状�?/span></p>
<p>&nbsp;</p>
<p><span>状态�{换函敎ͼ�</span></p>
<p>&nbsp;</p>
<p><span>f(S,LT)=Ts</span></p>
<p><span>f(S,NL)=Er</span></p>
<p><span>f(Tp,RT)=Tq</span></p>
<p><span>f(Tp,A)=Cp</span></p>
<p><span>f(Tp,C)=Ep</span></p>
<p><span>f(Ep,EC)=Tp</span></p>
<p><span>f(Ep,EOF)=Er</span></p>
<p><span>f(Tq,LT)=Ts</span></p>
<p><span>f(Tq,EOF)=Q</span></p>
<p><span>f(Tq,NLRA)=Tq</span></p>
<p><img height=395 alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/d.jpeg" width=555 border=0></p>
<p>&nbsp;</p>
<img src ="http://www.tkk7.com/RexMao/aggbug/120276.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/RexMao/" target="_blank">Rex Mao</a> 2007-05-27 13:10 <a href="http://www.tkk7.com/RexMao/archive/2007/05/27/120276.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>java中怎样把图片存攑֜�代码�?/title><link>http://www.tkk7.com/RexMao/archive/2007/05/26/120139.html</link><dc:creator>Rex Mao</dc:creator><author>Rex Mao</author><pubDate>Sat, 26 May 2007 02:15:00 GMT</pubDate><guid>http://www.tkk7.com/RexMao/archive/2007/05/26/120139.html</guid><wfw:comment>http://www.tkk7.com/RexMao/comments/120139.html</wfw:comment><comments>http://www.tkk7.com/RexMao/archive/2007/05/26/120139.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.tkk7.com/RexMao/comments/commentRss/120139.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/RexMao/services/trackbacks/120139.html</trackback:ping><description><![CDATA[&nbsp;
<p><span>有时候不��x��囄���资源攑֜�目录里，让用��L��刎ͼ�我用的方法是���图片的像素矩阵存在代码里。可能比较笨�Q�具体做法是�Q?/span></p>
<p><span>MediaTracker mt = new MediaTracker(aFrame); //</span><span>媒体跟踪�?/span></p>
<p><span>Image img = Toolkit.getDefaultToolkit().createImage("</span><span>��d��</span><span>.jpg"); //</span><span>得到囄���</span></p>
<p><span>mt.addImage(img, 1);</span></p>
<p><span>try {</span></p>
<p><span>&nbsp;<span>&nbsp;&nbsp;&nbsp;&nbsp; </span>mt.waitForAll();</span></p>
<p><span><span>&nbsp;&nbsp; </span>}</span></p>
<p><span>catch (InterruptedException ex) {</span></p>
<p><span><span>&nbsp;&nbsp; </span>}</span></p>
<p><span>BufferedImage bi = new BufferedImage(16, 16, BufferedImage.TYPE_INT_RGB);</span></p>
<p><span>bi.getGraphics().drawImage(img, 0, 0, 16, 16, f);</span></p>
<p><span>int[] rbg = new int[bi.getWidth() * bi.getHeight()];</span></p>
<p><span>bi.getRGB(0, 0, 16, 16, rbg, 0, 16); //</span><span>利用</span><span>BufferedImage</span><span>得到像素矩阵</span></p>
<p><span>for (int i = 0; i &lt; rbg.length; i++) {</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>System.out.print(rbg[i] + ","); //</span><span>打印</span></p>
<p><span><span>&nbsp;&nbsp; </span>}</span></p>
<p>&nbsp;</p>
<p><span>再在代码中创建静态对�?/span></p>
<p><span>private static int[] penPixels = {</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, 16777215, 16777215, 16777215, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, 16777215, 16777215, 16777215, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, 16777215, 16777215, 16777215, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, -16777216, -16777216, -16777216, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, 16777215, 16777215, 16777215, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, -16777216, -2031616, -2031616, -2031616, -16777216, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, 16777215, 16777215, 16777215, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, -16777216, -2031616, -1, 16777215, -16777216, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, 16777215, 16777215, 16777215, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>-16777216, -16777216, -2031616, -1, -16777216, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, 16777215, 16777215, 16777215, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>-16777216, -256, -16777216, -16777216, -16777216, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, 16777215, 16777215, 16777215, 16777215, -16777216,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>-256, -1, -1842205, -16777216, 16777215, 16777215, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, 16777215, 16777215, 16777215, 16777215, -16777216, -1,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>-256, -16777216, -16777216, 16777215, 16777215, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215,</span></p>
<p><span>&nbsp;<span>&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, 16777215, 16777215, 16777215, -16777216, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>-256, -1842205, -16777216, 16777215, 16777215, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, 16777215, 16777215, 16777215, -16777216, -256, -1,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp; </span><span>&nbsp;&nbsp;</span>-16777216, -16777216, 16777215, 16777215, 16777215, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, 16777215, 16777215, -16777216, -256, -1, -1842205,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>-16777216, 16777215, 16777215, 16777215, 16777215, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, 16777215, 16777215, -16777216, -16777216, -256,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>-16777216, -16777216, 16777215, 16777215, 16777215, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, 16777215, 16777215, -16777216, -16777216, -16777216,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>-16777216, 16777215, 16777215, 16777215, 16777215, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, 16777215, 16777215, -16777216, -16777216, -16777216,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, 16777215, 16777215, 16777215, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, 16777215, 16777215, -16777216, -16777216, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, 16777215, 16777215, 16777215, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, 16777215, 16777215, -16777216, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215, 16777215, 16777215, 16777215, 16777215, 16777215,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>16777215, 16777215</span></p>
<p><span>&nbsp;};//</span><span>打印出来的矩�?/span></p>
<p><span>private static MemoryImageSource misPen = new MemoryImageSource(16, 16,</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>penPixels, 0, 16);</span></p>
<p><span>public static Image imgPen = Toolkit.getDefaultToolkit().createImage(misPen);</span></p>
<p><span>�q�样���可以直接���?/span><span>imgPen</span><span>囄���了�?/span></p>
<img src ="http://www.tkk7.com/RexMao/aggbug/120139.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/RexMao/" target="_blank">Rex Mao</a> 2007-05-26 10:15 <a href="http://www.tkk7.com/RexMao/archive/2007/05/26/120139.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>xml的DOM解析器的java实现 �Q�一�Q?DOM规范����?/title><link>http://www.tkk7.com/RexMao/archive/2007/05/23/119304.html</link><dc:creator>Rex Mao</dc:creator><author>Rex Mao</author><pubDate>Wed, 23 May 2007 01:13:00 GMT</pubDate><guid>http://www.tkk7.com/RexMao/archive/2007/05/23/119304.html</guid><wfw:comment>http://www.tkk7.com/RexMao/comments/119304.html</wfw:comment><comments>http://www.tkk7.com/RexMao/archive/2007/05/23/119304.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.tkk7.com/RexMao/comments/commentRss/119304.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/RexMao/services/trackbacks/119304.html</trackback:ping><description><![CDATA[&nbsp;
<p><span>�q�是我的毕业设计�Q�本来以为挺���单的�Q�做了以后发现还是能学到点知识，发来�l�大家一起学习�?/span></p>
<p><span>DOM</span><span>规范定义了一�l�接口，用户通过�q�些接口来访�?/span><span>DOM</span><span>解析器返回的树型�l�构�?/span><span>DOM</span><span>不同�?/span><span>SAX</span><span>的事仉���动模式，它是���整个文档解析完成后�Q��Ş成一个树型结构放在内存中。下面是</span><span>DOM</span><span>规范中的所有接口，灰色昄���的是本解析器实现的接口�?br><img style="WIDTH: 582px; HEIGHT: 438px" height=438 alt="" src="http://www.tkk7.com/images/blogjava_net/rexmao/DOM.JPG" width=582 border=0></span></p>
&nbsp;
<p><span>DOMImplementation</span></p>
<p><span>DOMImplementation</span><span>接口允许代码讉K��</span><span>DOM</span><span>的具体实玎ͼ�以找出对各种�Ҏ��的有效支持。其中的</span><span>hasFeature(String feature, String version)</span><span>�Ҏ��可以���试具体�?/span><span>DOM</span><span>实现是否支持某特性�?/span></p>
<p>&nbsp;</p>
<p><span>NodeList</span></p>
<p><span>NodeList</span><span>对象�?/span><span>Node</span><span>对象的一个简单的有序集合。例如，可以用来存放一个节点的子节炏V�?/span></p>
<p>&nbsp;</p>
<p><span>Node</span></p>
<p><span>Node</span><span>对象�?/span><span>DOM</span><span>中所有节点的基对象�?/span><span>Element</span><span>�?/span><span>Attr</span><span>�?/span><span>Text</span><span>�?/span><span>CDATASection</span><span>�?/span><span>EntityReference</span><span>�?/span><span>Entity</span><span>�?/span><span>ProcessingInstruction</span><span>�?/span><span>Comment</span><span>�?/span><span>Document</span><span>�?/span><span>DocumentType</span><span>�?/span><span>DocumentFragment</span><span>�?/span><span>Notation</span><span>对象都派生于</span><span>Node</span><span>对象�?/span></p>
<p>&nbsp;</p>
<p><span>NamedNodeMap</span></p>
<p><span>NamedNodeMap</span><span>对象是可以通过猛成讉K���?/span><span>Node</span><span>对象集合。可以用来存放节点的属性�?/span></p>
<p>&nbsp;</p>
<p><span>DOMException</span></p>
<p><span>异常接口</span></p>
<p>&nbsp;</p>
<p><span>DocumentFragment</span></p>
<p><span>DocumentFragment</span><span>对象是文档片�D�，是文档（</span><span>Document</span><span>�Q�对象的一个简单的版本。它可以用来表示文档的�Q意子树�?/span></p>
<p>&nbsp;</p>
<p><span>Document</span></p>
<p><span>Document</span><span>对象是能�?/span><span>DOM</span><span>�C�Z��的主要对象。它代表整个�?/span><span>xml</span><span>文档�Q�也是解析器�q�回的对象�?/span></p>
<p>&nbsp;</p>
<p><span>Element</span></p>
<p><span>Element</span><span>对象包含文档中的元素的信息。代表一个标�{��?/span></p>
<p>&nbsp;</p>
<p><span>Attr</span></p>
<p><span>Attr</span><span>是属性对象，一个节点的属性存�?/span><span>NamedNodeMap</span><span>里�?/span></p>
<p>&nbsp;</p>
<p><span>CharacterData</span></p>
<p><span>CharacterData</span><span>对象表示</span><span>xml</span><span>文�g中的字符信息�?/span></p>
<p>&nbsp;</p>
<p><span>DocumentType</span></p>
<p><span>DocumentType</span><span>对象表示文档�c�d���Q�也���是</span><span>DTD</span><span>声明里的内容�?/span></p>
<p>&nbsp;</p>
<p><span>Notation</span></p>
<p><span>Notation</span><span>对象表示</span><span>DTD</span><span>声明中的关于表示法的信息�?/span></p>
<p>&nbsp;</p>
<p><span>Entity</span></p>
<p><span>Entity</span><span>对象包含</span><span>DTD</span><span>中有兛_��体的信息�?/span></p>
<p>&nbsp;</p>
<p><span>EntityReference</span></p>
<p><span>EntityReference</span><span>对象包含对已解析文档中的实体的引用信息�?/span></p>
<p>&nbsp;</p>
<p><span>ProcessingInstruction</span></p>
<p><span>ProcessingInstruction</span><span>对象包含文档中内嵌的处理指��o的信息�?/span></p>
<p>&nbsp;</p>
<p><span>Text</span></p>
<p><span>Text</span><span>对象表示节点的文本数据�?/span></p>
<p>&nbsp;</p>
<p><span>Comment</span></p>
<p><span>Comment</span><span>对象表示注释�?/span></p>
<p>&nbsp;</p>
<p><span>CDATASection</span></p>
<p><span>CDATASection</span><span>对象包含文本中未被解析块的内宏V�?/span></p>
<img src ="http://www.tkk7.com/RexMao/aggbug/119304.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/RexMao/" target="_blank">Rex Mao</a> 2007-05-23 09:13 <a href="http://www.tkk7.com/RexMao/archive/2007/05/23/119304.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>java 调用本地文�g</title><link>http://www.tkk7.com/RexMao/archive/2007/05/15/117511.html</link><dc:creator>Rex Mao</dc:creator><author>Rex Mao</author><pubDate>Tue, 15 May 2007 01:45:00 GMT</pubDate><guid>http://www.tkk7.com/RexMao/archive/2007/05/15/117511.html</guid><wfw:comment>http://www.tkk7.com/RexMao/comments/117511.html</wfw:comment><comments>http://www.tkk7.com/RexMao/archive/2007/05/15/117511.html#Feedback</comments><slash:comments>3</slash:comments><wfw:commentRss>http://www.tkk7.com/RexMao/comments/commentRss/117511.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/RexMao/services/trackbacks/117511.html</trackback:ping><description><![CDATA[好几天没有写了，今天在做毕业设计旉���到要打开�pȝ��上的文�g�Q�而文件类型事先是不可知的�Q�所以不能用以前知道的那�U�方法，Runtime.getRuntime().exec("notepad c:/a.txt");在网上搜��C��个类BrowserLauncher�Q�这个类可以调用文�g兌���打开文�g�Q�好处在于它对不同的�pȝ��可以不同的对待，保持了java的跨�q�_��性，有兴���的可以用google搜BrowserLauncher�Q�不要用baidu�?br>我看了一下Windows XP/NT�pȝ��的调用，���是写成Runtime.getRuntime.exec("cmd /c start "+url);<br>
<img src ="http://www.tkk7.com/RexMao/aggbug/117511.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/RexMao/" target="_blank">Rex Mao</a> 2007-05-15 09:45 <a href="http://www.tkk7.com/RexMao/archive/2007/05/15/117511.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>java��d���E�序技术小�l�（三） ��d��的鼠标事件处�?/title><link>http://www.tkk7.com/RexMao/archive/2007/04/24/113260.html</link><dc:creator>Rex Mao</dc:creator><author>Rex Mao</author><pubDate>Tue, 24 Apr 2007 09:07:00 GMT</pubDate><guid>http://www.tkk7.com/RexMao/archive/2007/04/24/113260.html</guid><wfw:comment>http://www.tkk7.com/RexMao/comments/113260.html</wfw:comment><comments>http://www.tkk7.com/RexMao/archive/2007/04/24/113260.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.tkk7.com/RexMao/comments/commentRss/113260.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/RexMao/services/trackbacks/113260.html</trackback:ping><description><![CDATA[<p><span>��d��的鼠标事件处理是��d���E�序中比较复杂的内容�Q�这里只是简单介�l�，有兴���的可以看程序�?/span><span><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Point p0,p1;//</span><span>记录拖拽��d��的�v点和�l�点</span><span><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;p0=new Point();<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;p1=new Point();<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//</span><span>鼠标按下�Q�主要记录按下的�?/span><span><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;void jPaneDraw_mousePressed(MouseEvent e) {<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;p0=new Point(e.getX(),e.getY());<br>}<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//</span><span>鼠标拖拽�q�程�Q�根据不同的囑�Ş�Q�画出拖拽过�E�的囑�Ş�Q�复杂图形可以用矩�Ş代替</span><span><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;void jPaneDraw_mouseDragged(MouseEvent e) {<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;switch(toolMode){<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;case 0:{ //</span><span>直线</span><span><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;p1.x = e.getX();<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; p1.y = e.getY();<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; g.setColor(col);<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; g.drawLine(p0.x, p0.y, p1.x, p1.y);<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; jPaneDraw.repaint();<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; break;<br>&nbsp;&nbsp;&nbsp;}<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;...//</span><span>其它囑�Ş</span><span><br>}<br>}<br>//</span><span>鼠标抬�v�Q�根�?/span><span>p0</span><span>�?/span><span>p1</span><span>生成对应的图�?/span><span><br>void jPaneDraw_mouseReleased(MouseEvent e) {<br>&nbsp;&nbsp;&nbsp;switch(toolMode){<br>case 0:{ //</span><span>直线</span><span><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;CusLine2D aCusShape = new CusLine2D(p0.x, p0.y, p1.x, p1.y); //</span><span>建立囑�Ş</span><span><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;...//</span><span>���图形加入到囑�Ş列表</span><span><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;break;<br>}<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;...//</span><span>其它囑�Ş</span><span><br>}<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;jPaneDraw.repaint();<br>}</span></p>
<img src ="http://www.tkk7.com/RexMao/aggbug/113260.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/RexMao/" target="_blank">Rex Mao</a> 2007-04-24 17:07 <a href="http://www.tkk7.com/RexMao/archive/2007/04/24/113260.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>java��d���E�序技术小�l�（二） 重绘与双�~�冲</title><link>http://www.tkk7.com/RexMao/archive/2007/04/23/113040.html</link><dc:creator>Rex Mao</dc:creator><author>Rex Mao</author><pubDate>Mon, 23 Apr 2007 13:47:00 GMT</pubDate><guid>http://www.tkk7.com/RexMao/archive/2007/04/23/113040.html</guid><wfw:comment>http://www.tkk7.com/RexMao/comments/113040.html</wfw:comment><comments>http://www.tkk7.com/RexMao/archive/2007/04/23/113040.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.tkk7.com/RexMao/comments/commentRss/113040.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/RexMao/services/trackbacks/113040.html</trackback:ping><description><![CDATA[双缓�Ԍ��我记得有两种�Ҏ���Q�一�U�是两个图象�Q�一个前台Graphics�Q�一个后台Graphics�Q�画图时在后台画�Q�画好了�Q�再用前台的Graphics��d��台Graphics的图片。另一�U�是有两个或多个图象�Q�不分前后台�Q�显�C�Z��个图象时�Q�另外的在画�Q�图象��@环��用（c语言时用�q�）�?br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;�l�出�W�一�U�的java实现<br><span lang=EN-US><span><font face="Times New Roman"><font size=3>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a�?/font><span style="FONT: 7pt 'Times New Roman'">&nbsp; </span></font></span></span><span style="FONT-FAMILY: 宋体"><font size=3>定义后台图象</font></span><span lang=EN-US><font face="Times New Roman" size=3>BufferedImage offScreenImg=offScreenImg = new BufferedImage(this.maxX, this.maxY,<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; BufferedImage.TYPE_INT_RGB);<br></font></span>
<p><font face="Times New Roman"><span lang=EN-US><font size=3>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></span><span lang=EN-US><span><font size=3>b�?/font><span style="FONT: 7pt 'Times New Roman'">&nbsp; </span></span></span></font><font size=3><span style="FONT-FAMILY: 宋体">得到后台�?/span><span lang=EN-US><font face="Times New Roman">Graphics</font></span><span style="FONT-FAMILY: 宋体">实例</span></font>
<p><font size=3><span style="FONT-FAMILY: 宋体"></span></font><span lang=EN-US><font face="Times New Roman" size=3><font face=宋体>&nbsp;&nbsp;&nbsp; </font>Graphics2D offScreenG;</font></span>
<p><font size=3><span lang=EN-US><font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </font></span><span lang=EN-US><font face="Times New Roman">offScreenG = offScreenImg.createGraphics();</font></span></font>
<p><font face="Times New Roman"><font size=3><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></font><span lang=EN-US><span><font size=3>c�?/font><span style="FONT: 7pt 'Times New Roman'">&nbsp; </span></span></span></font><font size=3><span style="FONT-FAMILY: 宋体">覆盖</span><span lang=EN-US><font face="Times New Roman">paintComponent</font></span><span style="FONT-FAMILY: 宋体">�Ҏ��</span></font>
<p><font size=3><span style="FONT-FAMILY: 宋体">&nbsp;&nbsp;&nbsp;&nbsp; </span></font><span lang=EN-US><font face="Times New Roman" size=3>public void paintComponent(Graphics g) {</font></span>
<p><font size=3><span lang=EN-US><font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </font></span><span lang=EN-US><font face="Times New Roman">super.paintComponent(g);</font></span></font>
<p><font face="Times New Roman" size=3><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></font><span lang=EN-US><font size=3><font face="Times New Roman">g.drawImage(offScreenImg, 0, 0, this.maxX, this.maxY, this);</font></font></span>
<p><font size=3><span lang=EN-US><font face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </font></span><span lang=EN-US><font face="Times New Roman">}</font></span></font>
<p><font face="Times New Roman" size=3><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></font><font size=3><span style="FONT-FAMILY: 宋体">�l�制时用后台</span><span lang=EN-US><font face="Times New Roman">Graphics</font></span><span style="FONT-FAMILY: 宋体">�Q�绘制好后，调用</span><span lang=EN-US><font face="Times New Roman">repaint()</font></span><span style="FONT-FAMILY: 宋体">�Q�将</span><span lang=EN-US><font face="Times New Roman">offScreenImg</font></span><span style="FONT-FAMILY: 宋体">�l�到面板上�?/span></font><span style="FONT-FAMILY: 宋体"> </p>
</span><br>
<img src ="http://www.tkk7.com/RexMao/aggbug/113040.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/RexMao/" target="_blank">Rex Mao</a> 2007-04-23 21:47 <a href="http://www.tkk7.com/RexMao/archive/2007/04/23/113040.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          <footer>
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