锘??xml version="1.0" encoding="utf-8" standalone="yes"?>久久乐国产精品亚洲综合,亚洲AV蜜桃永久无码精品,亚洲香蕉久久一区二区http://www.tkk7.com/jier/category/24971.htmlzh-cnThu, 06 Sep 2007 13:04:23 GMTThu, 06 Sep 2007 13:04:23 GMT60java涓幏寰楃郴緇熻礬寰?/title><link>http://www.tkk7.com/jier/articles/142391.html</link><dc:creator>澶忛洩</dc:creator><author>澶忛洩</author><pubDate>Mon, 03 Sep 2007 09:24:00 GMT</pubDate><guid>http://www.tkk7.com/jier/articles/142391.html</guid><wfw:comment>http://www.tkk7.com/jier/comments/142391.html</wfw:comment><comments>http://www.tkk7.com/jier/articles/142391.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/jier/comments/commentRss/142391.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/jier/services/trackbacks/142391.html</trackback:ping><description><![CDATA[<span id="ArticleContent1_ArticleContent1_lblContent"><span id="0k2wmek" class="postbody"><font size="2"><span style="font-family: Comic Sans MS"><span id="ArticleContent1_ArticleContent1_lblContent" style="font-family: "><span id="gg4qo8m" class="postbody" style="font-family: "><font style="font-family: Lucida Console" size="2">鍦ˋpplication涓? <br style="font-family: " /> System.getProperty("user.dir") <br /> <br style="font-family: " /> 鍦⊿ervlet涓? <br style="font-family: " /> ServletContext servletContext = config.getServletContext(); <br style="font-family: " /> String rootPath = servletContext.getRealPath("/"); <br /> <br /> 鍦ㄨ嚜瀹氫箟鏍囩涓紝鍒嗗竷寮忕幆澧冧笅錛岀敤<br /> ((HttpServletRequest) this.pageContext.getRequest()).getContextPath();鑾峰彇web鐨勮礬寰勶紝<br /> 濡?#8220;\web”<br /> <br style="font-family: " /> 鍦╦sp涓?<br style="font-family: " /> application.getRealPath("") </font></span></span><br style="font-family: " /> </span></font></span></span> <img src ="http://www.tkk7.com/jier/aggbug/142391.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/jier/" target="_blank">澶忛洩</a> 2007-09-03 17:24 <a href="http://www.tkk7.com/jier/articles/142391.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>JavaBean緙栫▼搴旂敤鎶鏈?/title><link>http://www.tkk7.com/jier/articles/141418.html</link><dc:creator>澶忛洩</dc:creator><author>澶忛洩</author><pubDate>Thu, 30 Aug 2007 08:10:00 GMT</pubDate><guid>http://www.tkk7.com/jier/articles/141418.html</guid><wfw:comment>http://www.tkk7.com/jier/comments/141418.html</wfw:comment><comments>http://www.tkk7.com/jier/articles/141418.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.tkk7.com/jier/comments/commentRss/141418.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/jier/services/trackbacks/141418.html</trackback:ping><description><![CDATA[<p style="COLOR: #000000" align=left><strong>Java璇█鐨勭粍浠舵妧鏈?nbsp;錛?br>JavaBean璁捐鐩爣鍙婂叾瀹炵幇鎵嬫錛?br>JavaBean涓殑灞炴э紱<br>JavaBean鐨勪簨浠跺強鑷畾涔変簨浠訛紱 <br>JavaBean鎸佷箙鍖?nbsp;<br>JavaBean鐨勮嚜媯<br>JavaBean鐨?/strong><a class=channel_keylink ><font face="Times New Roman" color=#0000ff><strong style="COLOR: #000000">緙栫▼</strong></font></a><font face="Times New Roman"><strong>瀹炰緥 </strong></font><font size=3><strong> </strong></p> <p style="COLOR: #000000" align=left><br><font face="Times New Roman">涓銆丣ava璇█鐨勭粍浠舵妧鏈?nbsp;</font></p> <p style="COLOR: #000000"><font face="Times New Roman">1銆丣avaBean鏄粈涔堬紵<br>錛?錛塀ean鏄竴涓壒孌婄殑綾伙紝榪欎釜綾誨繀欏葷鍚圝avaBean瑙勮寖錛堟槸涓涓潪甯哥畝鍗曠殑閬靛驚鏌愮涓ユ牸鍗忚鐨凧ava綾伙級銆?br>錛?錛塉avaBean鏄敤Java璇█緙栧啓鐨勫彲閲嶇敤</font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>杞歡</font></a><font face="Times New Roman">緇勪歡銆?br>2銆丅ean鐨勭綾伙細<br>鍙鍖?/font><a class=channel_keylink ><font style="COLOR: #000000" face="Times New Roman" color=#0000ff>杞歡</font></a><font face="Times New Roman">緇勪歡錛氬彲浠ユ槸綆鍗曠殑GUI鍏冪礌錛屽鎸夐挳鎴栨粴鍔ㄦ潯錛涗篃鍙互鏄鏉傜殑錛屽</font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>鏁版嵁搴?/font></a><font face="Times New Roman">瑙嗗浘<br>闈炲彲瑙嗗寲</font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>杞歡</font></a><font face="Times New Roman">緇勪歡錛氭病鏈塆UI琛ㄧ幇褰㈠紡錛岀敤浜庡皝瑁呬笟鍔¢昏緫銆?/font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>鏁版嵁搴?/font></a><font face="Times New Roman">鎿嶄綔絳?br>3銆丣avaBean涓庡井杞殑ActiveX鐨勪笉涓鏍?br>JavaBean鏄笌騫沖彴鏃犲叧鐨?br>ActiveX鏄熀浜嶹indows緋葷粺騫沖彴鐨?nbsp;<br>4銆丣avaBean緇勪歡涓嶦JB鐨勪笉鍚岋細<br>JavaBean緇勪歡瀛樺偍鐘舵佷俊鎭?br>EJB緇勪歡瀛樺偍涓氬姟閫昏緫 <br>5銆丅ean鐨勫簲鐢ㄥ満鍚堬細<br>鍦ㄤ嬌鐢↗ava</font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>緙栫▼</font></a><font face="Times New Roman">鏃訛紝騫朵笉鏄墍鏈?/font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>杞歡</font></a><font face="Times New Roman">妯″潡閮介渶瑕佽漿鎹㈡垚Bean銆?br>Bean姣旇緝閫傚悎浜庨偅浜涘叿鏈夊彲瑙嗗寲鎿嶄綔鍜屽畾鍒剁壒鎬х殑</font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>杞歡</font></a><font face="Times New Roman">緇勪歡銆?br>6銆丣avaBean鐨?/font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>寮鍙?/font></a><font face="Times New Roman">鏂規硶錛?br>閲囩敤鍙鍖?/font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>寮鍙?/font></a><font face="Times New Roman">宸ュ叿---涓昏鏈夛細<br>Borlands鍏徃鐨凧Builder<br>SunSoft鐨凧ava Studio<br>Symantec鐨刅isual Café<br>IBM鐨刅isual Age for Java絳夛紱<br>褰撶劧涔熷彲浠ユ墜鍐欎唬鐮併?br>7銆丣avaBean鐨?/font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>緙栫▼</font></a><font face="Times New Roman">瑕佺偣錛?br>涓涓狟ean涓嶅繀闈炶緇ф壙鐗瑰畾鐨勫熀綾繪垨鎺ュ彛錛?br>鍙鍖栫殑Bean蹇呴』緇ф壙鐨勭被鏄疌omponent綾伙紝榪欐牱瀹冧滑鎵嶈兘娣誨姞鍒板彲瑙嗗寲瀹瑰櫒涓幓錛?br>闈炲彲瑙嗗寲Bean鍒欎笉闇瑕佺戶鎵胯繖涓被銆?br>涓涓狟ean鏈川涓婂氨鏄竴涓狫ava綾葷殑浠g爜錛屽彧鏄坊鍔犱簡鎵璋撶殑鑷鍜屽簭鍒楀寲錛屽洜姝ean瀹為檯灝辨槸涓涓櫘閫氱殑Java綾匯?nbsp; </font></p> <p style="COLOR: #000000"><br><font face="Times New Roman">浜屻丣avaBean璁捐鐩爣鍙婂叾瀹炵幇鎵嬫 </font></p> <p style="COLOR: #000000"><font face="Times New Roman"> 錛?錛夌揣鍑戣屾柟渚跨殑鍒涘緩鍜屼嬌鐢?nbsp;<br>鍥犱負Bean緇勪歡甯稿父鐢ㄤ簬鍒嗗竷寮忚綆楃幆澧冧腑錛岃繖浣垮緱JavaBean緇勪歡甯稿父闇瑕佸湪鏈夐檺鐨勫甫瀹借繛鎺ョ幆澧冧笅榪涜浼犺緭銆?br>鏄劇劧錛屼負浜嗛傚簲浼犻佺殑鏁堢巼鍜岄熷害錛孞avaBean緇勪歡蹇呴』鏄秺绱у噾瓚婂ソ銆?br>錛?錛夊畬鍏ㄧ殑鍙Щ妞嶆?br>JavaBean API涓庣嫭绔嬩簬騫沖彴鐨凧ava緋葷粺鐩哥粨鍚堬紝鎻愪緵浜嗙嫭绔嬩簬騫沖彴鐨勭粍浠惰В鍐蟲柟妗堛傚洜姝わ紝緇勪歡</font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>寮鍙?/font></a><font face="Times New Roman">鑰呭氨鍙互涓嶅繀鍐嶄負甯︽湁JavaBean騫沖彴鐗規湁鐨勭被搴撹屾媴蹇冧簡銆?br>鏈緇堢殑緇撴灉閮藉皢鏄綆楁満鐣屽叡浜彲閲嶅浣跨敤鐨勭粍浠訛紝騫跺湪浠諱綍鏀寔Java鐨勭郴緇熶腑鏃犻渶淇敼鍦版墽琛?br>錛?錛夌戶鎵縅ava鐨勫己澶у姛鑳?br>鐜版湁鐨凧ava緇撴瀯宸茬粡鎻愪緵浜嗗縐嶆槗浜庡簲鐢ㄤ簬緇勪歡鐨勫姛鑳姐傚叾涓竴涓瘮杈冮噸瑕佺殑鏄疛ava鏈韓鐨勫唴緗被鍙戠幇鍔熻兘錛屽畠鍙互浣垮緱瀵硅薄鍦ㄨ繍琛屾椂褰兼鍔ㄦ佸湴浜や簰浣滅敤錛岃繖鏍峰璞″氨鍙互浠?/font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>寮鍙?/font></a><font face="Times New Roman">緋葷粺鎴栧叾</font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>寮鍙?/font></a><font face="Times New Roman">鍘嗗彶涓嫭绔嬪嚭鏉ャ?nbsp;<br>JavaBean緇ф壙鍦ㄧ幇鏈塉ava鍔熻兘涓繕鏈変竴涓噸瑕佺殑鏂歸潰錛屽氨鏄寔涔呮э紝瀹冧繚瀛樺璞″茍鑾峰緱瀵硅薄鐨勫唴閮ㄧ姸鎬併?nbsp;<br>閫氳繃Java鎻愪緵鐨勫簭鍒楀寲(serialization)鏈哄埗錛屾寔涔呮у彲浠ョ敱JavaBean鑷姩榪涜澶勭悊銆?nbsp;<br>褰撶劧錛屽湪闇瑕佺殑鏃跺欙紝</font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>寮鍙?/font></a><font face="Times New Roman">鑰呬篃鍙互鑷繁寤虹珛瀹氬埗鐨勬寔涔呮ф柟妗堛?nbsp;</font></p> <p style="COLOR: #000000"><font face="Times New Roman">涓夈佷竴涓畝鍗曠殑JavaBean紼嬪簭浠g爜</font></p> <p style="COLOR: #000000"><font face="Times New Roman">import java.awt.*;<br>import java.io.Serializable;<br>public class JavaBeanButton extends Canvas implements Serializable <br>{ //浠諱綍瀹炵幇浜哠erializable鎺ュ彛鐨凧ava綾婚兘鍙互鎴愪負涓涓狫avaBean綾匯?br> public JavaBeanButton()<br> { this.setSize(50,50);<br> }<br> public void paint(Graphics g)<br> { g.setColor(Color.LIGHT_GRAY);<br>  g.fillOval(0,0,50,50);<br> }<br>} </font></p> <p style="COLOR: #000000"><font face="Times New Roman">JavaBean紼嬪簭緇撴瀯瑕佺偣</font></p> <p style="COLOR: #000000"><font face="Times New Roman">1銆佸彲瑙嗗寲鐨凚ean搴旇浠嶤omponent鎴栬匔anvas綾繪潵緇ф壙 <br>2銆佹瘡涓狟ean搴旇瀹炵幇Serializable鎺ュ彛 <br>3銆丣avaBean涓殑鏋勯犲嚱鏁?br>   姣忎釜JavaBean鐨勭被涓簲璇ユ彁渚涗竴涓笉甯﹀弬鏁扮殑榛樿鏋勯犲嚱鏁幫紝浠ヤ究鏋勯犲伐鍏瘋兘澶熷疄渚嬪寲鍏跺璞°傚綋鐒惰繕搴旇鏈夊甫鍙傛暟鐨勬瀯閫犲嚱鏁頒互渚胯兘澶熷瀹冭繘琛屽垵濮嬪寲銆?nbsp;<br>4銆佸叾瀹冨垯涓庝竴鑸殑Java綾葷殑</font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>緙栫▼</font></a><font face="Times New Roman">瑙勫垯鐩稿悓 </font></p> <p style="COLOR: #000000"><br><font face="Times New Roman">鍥涖丣avaBean鐨勫瓨鍌ㄦ牸寮?nbsp;</font></p> <p style="COLOR: #000000"><font face="Times New Roman">Jar鏂囦歡錛?br>   JavaBean緇勪歡琚璁″嚭鏉ュ悗錛屼竴鑸槸浠ユ墿灞曞悕涓簀ar鐨勬牸寮忔枃浠跺瓨鍌紝鍦╦ar涓寘鍚笌JavaBean鏈夊叧鐨勪俊鎭紝騫朵互MANIFEST鏂囦歡鎸囧畾鍏朵腑鐨勫摢浜涚被鏄疛avaBean銆?/font></p> <p style="COLOR: #000000"><font face="Times New Roman">Jar鏂囦歡涓殑manifest鏂囦歡鐨勫唴瀹瑰涓嬶細<br> Name: JavaBean.class<br> Java-Bean: True</font></p> <p style="COLOR: #000000"><font face="Times New Roman">鍒╃敤Jar鍛戒護浜х敓*.jar鏂囦歡銆傚懡浠ゆ牸寮忓涓?br>C> jar cfm JavaBean.jar  JavaBeanManifest.txt JavaBean.class<br>鍙傝僇avaBeanStepbyStep涓殑step1 </font></p> <p style="COLOR: #000000"><font face="Times New Roman">浜斻丣avaBean涓殑灞炴?nbsp; </font></p> <p style="COLOR: #000000"><font face="Times New Roman">JavaBean鐨勫睘鎬т笌涓鑸琂ava紼嬪簭涓墍鎸囩殑灞炴э紝鎴栬呰涓庢墍鏈夐潰鍚戝璞$殑紼嬪簭璁捐璇█涓璞$殑灞炴ф槸涓涓蹇碉紝鍦ㄧ▼搴忎腑鐨勫叿浣撲綋鐜板氨鏄被涓殑鍙橀噺銆傚湪JavaBean鐨勮璁′腑錛屾寜鐓у睘鎬х殑涓嶅悓浣滅敤鍙堢粏鍒嗕負鍥涚被錛?nbsp;<br>  鍗曞煎睘鎬?br>  绱㈠紩灞炴?br>  鍏寵仈灞炴?br>  闄愬埗灞炴?/font></p> <p style="COLOR: #000000"><font face="Times New Roman"> 灞炴т竴銆丣avaBean涓殑鍗曞煎睘鎬?br>錛?錛夊惈涔夛細瀹冭〃紺轟竴涓即闅忔湁涓瀵筭et/set鏂規硶鐨勫彉閲忋傚睘鎬у悕涓庡拰璇ュ睘鎬х浉鍏崇殑get/set鏂規硶鍚嶅搴斻?nbsp;<br>錛?錛夌紪鐮佽鍒?br>灞炴у0鏄庝負縐佹湁錛屾病鏈夊叕鏈夌殑灞炴?br>閫氳繃璁塊棶鏂規硶鑰屼笉鏄洿鎺ュ瓨鍌ㄥ疄渚嬪彉閲?br>灞炴у紉xx瀵瑰簲鏈塯etXxx鍜宻etXxx鏂規硶<br>瀵逛簬甯冨皵鍨嬬殑灞炴э紝鍙互鐢╥sXxx鏂規硶鏌ュ?br>Bean鐨勬櫘閫氭柟娉曚笉閫傚悎涓婇潰鐨勫懡鍚嶈鍒欙紝浣嗗畠浠槸鍏湁鐨勩?/font></p> <p style="COLOR: #000000"><font face="Times New Roman">JavaBean涓殑鍗曞煎睘鎬хず渚嬩唬鐮?/font></p> <p style="COLOR: #000000"><font face="Times New Roman">public class myCanvas extends Canvas implements Serializable<br>{  <br>  String ourString= "Hello"; //灞炴у悕涓簅urString錛岀被鍨嬩負瀛楃涓?br>  boolean editable;  public myCanvas() <br>  { setBackground(Color.red);<br>   setForeground(Color.blue);  }<br>  public void setOurString(String newString) <br>  {  /* “set”灞炴?/<br>       ourString=newString;  }  public String getOurString() <br>  { /* "get"灞炴?nbsp;*/<br>   return ourString;  }<br>  public boolean isEditable() <br>  {   /* "甯冨皵"灞炴?nbsp;*/<br>   return editable;  }<br>}</font></p> <p style="COLOR: #000000"><font face="Times New Roman">灞炴т簩銆丣avaBean涓殑绱㈠紩灞炴?nbsp;</font></p> <p style="COLOR: #000000"><font face="Times New Roman">鍚箟錛?br>瀹冭〃紺轟竴涓暟緇勫箋備嬌鐢ㄤ笌璇ュ睘鎬у搴旂殑set/get鏂規硶鍙彇寰楁暟緇勪腑鐨勬垚鍛樻暟鎹鹼紙闇瑕佹湁涓涓暣鏁扮儲寮曞弬鏁幫級鎴栬呬竴嬈¤緗垨鍙栧緱鏁翠釜鏁扮粍鐨勫箋?br>绱㈠紩灞炴х殑璁捐妯″紡濡備笅錛?br>錛?錛夎闂暣涓儲寮曞睘鎬ф暟緇勭殑鏂規硶<br>public <propertytype></propertytype> []get <propertyname></propertyname> ();<br>public void set <propertyname></propertyname> ([]value);<br>錛?錛夎闂暣涓儲寮曞睘鎬т腑鐨勫崟涓肩殑鏂規硶<br>public <propertytype></propertytype> get <propertyname></propertyname> (int index);<br>public void set <propertyname></propertyname> (int index,int value); </font></p> <p style="COLOR: #000000"><font face="Times New Roman">JavaBean涓殑绱㈠紩灞炴хず渚嬩唬鐮?br>public class myCanvas extends Canvas implements Serializable<br>{    int[] dataSet={1,2,3,4,5,6}; //dataSet鏄竴涓儲寮曞睘鎬?nbsp; public myCanvas() <br>  { setBackground(Color.red);<br>   setForeground(Color.blue);  } <br> public void setDataSet(int[] newdataSet)//璁劇疆鏁翠釜鏁扮粍<br>  { dataSet= newdataSet;  }  /* 璁劇疆鏁扮粍涓殑鍗曚釜鍏冪礌鍊?nbsp;*/ <br>  public int[] getDataSet()  /* 鍙栧緱鏁翠釜鏁扮粍鍊?nbsp;*/<br>  { return dataSet;  }<br>  public void setDataSet(int index, int x) <br>  { dataSet[index]=x;  }  public int getDataSet(int index) <br>  {  /* 鍙栧緱鏁扮粍涓殑鎸囧畾鍏冪礌鍊?nbsp;*/ <br>    return dataSet[index];  }<br>}</font></p> <p style="COLOR: #000000"><br><font face="Times New Roman">灞炴т笁銆丣avaBean涓殑鍏寵仈灞炴?/font></p> <p style="COLOR: #000000"><font face="Times New Roman">鍚箟錛?br>瀹冩槸鎸囧綋璇ョ灞炴х殑鍊煎彂鐢熷彉鍖栨椂錛岃閫氱煡鍏跺畠鐨勫璞°?br>姣忔鐨勫睘鎬у兼敼鍙樻椂錛岃繖縐嶅睘鎬у氨鐐圭伀涓涓狿ropertyChange浜嬩歡銆?br>浜嬩歡涓皝瑁呬簡灞炴у悕銆佸睘鎬х殑鍘熷箋佸睘鎬у彉鍖栧悗鐨勬柊鍊箋?br>鑷充簬鎺ユ敹浜嬩歡鐨凚ean搴斿仛浠涔堝姩浣滅敱鍏惰嚜宸卞畾涔夈?/font></p> <p style="COLOR: #000000"><font face="Times New Roman">鍖呭惈鍏寵仈灞炴х殑Bean蹇呴』鍏鋒湁浠ヤ笅鐨勫姛鑳斤細<br>鍏佽浜嬩歡鐩戝惉鍣ㄦ敞鍐屽拰娉ㄩ攢涓庡叾鏈夊叧鐨勫睘鎬т慨鏀逛簨浠訛紱<br>褰撲慨鏀逛竴涓叧鑱斿睘鎬ф椂錛屽彲浠ュ湪鐩稿叧鐨勭洃鍚櫒涓婅Е鍙戝睘鎬т慨鏀逛簨浠躲?/font></p> <p style="COLOR: #000000"><font face="Times New Roman">鍦╦ava.beans鍖呬腑鍒╃敤PropertyChangeSupport綾誨垱寤哄嚭璇ョ被鐨勫璞★紝浠庤屽彲浠ョ敤浜庣鐞嗘敞鍐岀殑鐩戝惉鍣ㄥ垪琛ㄥ拰灞炴т慨鏀逛簨浠墮氱煡鐨勫彂閫併?/font></p> <p style="COLOR: #000000"><font face="Times New Roman">鍏寵仈灞炴х殑</font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>緙栫▼</font></a><font face="Times New Roman">瑕佺偣<br>1銆佺敱浜庡綋鍏寵仈灞炴ц鏀瑰彉鏃訛紝灝嗕嬌鐢≒ropertyChangeSupport綾諱腑鐨刦irePropertyChange鏂規硶鏉ョ偣鐏睘鎬ф敼鍙樹簨浠躲?nbsp;<br>2銆佸簲璇ュ瓨鍌ㄥ叧鑱斿睘鎬х殑鍘熷灞炴у鹼紝鍥犱負灞炴у煎拰鏂扮殑灞炴у奸兘瑕佷紶緇檉irePropertyChange()鏂規硶錛岃屼笖瀹冧滑閮芥槸Object綾誨瀷銆傚洜姝ゅ鏋滀負鍩烘湰鐨勬暟鎹紝鍒欏簲璇ヨ漿鎹負瀵瑰簲鐨勭被綾誨瀷銆?nbsp;<br>3銆佸睘鎬т慨鏀逛簨浠舵槸鍦ㄥ睘鎬ц淇敼鍚庤Е鍙戙?br>changes.firePropertyChange("ourString",oldString,newString);  <br>4銆丅ean瑕侀鐣欏嚭涓浜涙帴鍙g粰</font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>寮鍙?/font></a><font face="Times New Roman">宸ュ叿錛?/font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>寮鍙?/font></a><font face="Times New Roman">宸ュ叿浣跨敤榪欎簺鎺ュ彛錛屾妸鍏跺畠鐨凧avaBean瀵硅薄涓庤Bean鐩告寕鎺ャ?nbsp;<br>public void addPropertyChangeListener(PropertyChangeListener listener)<br>{changes.addPropertyChangeListener(listener);}<br>public void removePropertyChangeListener(PropertyChangeListener listener)<br>{changes.removePropertyChangeListener(listener);}</font></p> <p style="COLOR: #000000"><font face="Times New Roman">灞炴у洓銆丣avaBean涓殑闄愬埗灞炴?/font></p> <p style="COLOR: #000000"><font face="Times New Roman">鍚箟錛?br>瀹冩寚褰撹繖涓睘鎬х殑鍊艱鍙戠敓鍙樺寲鏃訛紝涓庤繖涓睘鎬у凡寤虹珛浜嗘煇縐嶈繛鎺ョ殑鍏跺畠澶栭儴Java瀵硅薄鍙惁鍐寵灞炴у肩殑鏀瑰彉錛?br>褰撶劧Bean 鏈韓涔熷彲浠ュ惁鍐寵Bean灞炴у肩殑鏀瑰彉銆?br>濡備綍闄愬埗灞炴э細 闄愬埗灞炴х殑鐩戝惉鑰呴氳繃鎶涘嚭PropertyVetoException鏉ラ樆姝㈣灞炴у肩殑鏀瑰彉銆?br>鐩戝惉鑰咃細闄愬埗灞炴т竴鑸湁涓ょ鐩戝惉鑰?br>灞炴у彉鍖栫洃鍚?br>鍚﹀喅灞炴ф敼鍙樼殑鐩戝惉鑰?nbsp;<br>鍚﹀喅灞炴ф敼鍙樼殑鐩戝惉鑰呭湪鑷繁鐨勫璞′唬鐮佷腑鏈夌浉搴旂殑鎺у埗璇彞錛屽湪鐩戝惉鍒版湁闄愬埗灞炴ц鍙戠敓鍙樺寲鏃訛紝鍦ㄦ帶鍒惰鍙ヤ腑鍒ゆ柇鏄惁搴斿惁鍐寵繖涓睘鎬у肩殑鏀瑰彉</font></p> <p style="COLOR: #000000"><font face="Times New Roman">闄愬埗灞炴х殑</font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>緙栫▼</font></a><font face="Times New Roman">瑕佺偣</font></p> <p style="COLOR: #000000"><font face="Times New Roman">1銆佸垎鍒0鏄嶱ropertyChangeSupport鍜孷etoableChangeSupport綾葷殑瀵硅薄錛堥檺鍒跺睘鎬у煎彲鍚︽敼鍙?nbsp;錛?nbsp;<br>2銆佸綋灞炴ц鏀瑰彉鏃訛紝鐒跺悗鐐圭伀灞炴ф敼鍙樺惁鍐充簨浠躲?nbsp;<br>vetos.fireVetoableChange(…); <br>3銆佽嫢鏈夊叾瀹冨璞″惁鍐沖睘鎬х殑鏀瑰彉錛屽垯紼嬪簭鎶涘嚭寮傚父錛屼笉鍐嶇戶緇墽琛屼笅闈㈢殑璇彞錛屾柟娉曠粨鏉熴傝嫢鏃犲叾瀹冨璞″惁鍐沖睘鎬х殑鏀瑰彉錛屽垯鎶婅灞炴ц祴浜堟柊鍊鹼紝騫剁偣鐏睘鎬ф敼鍙樹簨浠躲?br>4銆佷笌灞炴ф敼鍙樹簨浠剁浉鍚岋紝涔熻涓洪檺鍒跺睘鎬ч鐣欐帴鍙o紝浣垮叾瀹冨璞″彲娉ㄥ唽鍏ラ檺鍒跺睘鎬х殑鍚﹀喅鏀瑰彉鐩戝惉鑰呴槦鍒椾腑錛屾垨鎶婅瀵硅薄浠庝腑娉ㄩ攢銆?nbsp;  <br>5銆侀檺鍒跺睘鎬у疄闄呬笂鏄竴縐嶇壒孌婄殑鍏寵仈灞炴э紝鍙槸瀹冪殑鍊肩殑鍙樺寲鍙互琚洃鍚呭惁鍐蟲帀銆?/font></p> <p style="COLOR: #000000"><font face="Times New Roman">public void addVetoableChangeListener(VetoableChangeListener listener)<br>{ <br>  vetos.addVetoableChangeListener(listener); } public void removeVetoableChangeListener(VetoableChangeListener listener)<br>{<br>vetos.removeVetoableChangeListener(listener); } </font></p> <p style="COLOR: #000000"><font face="Times New Roman">鍏丣avaBean鐨勪簨浠?/font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>緙栫▼</font></a><font face="Times New Roman"> </font></p> <p style="COLOR: #000000"><font face="Times New Roman">1銆侀氳繃浜嬩歡澶勭悊鏈哄埗 <br>鍙涓浜涚粍浠朵綔涓轟簨浠舵簮錛屽彂鍑哄彲琚弿榪扮幆澧冩垨鍏跺畠緇勪歡鎺ユ敹鐨勪簨浠躲?br>榪欐牱錛屼笉鍚岀殑緇勪歡灝卞彲鍦ㄦ瀯閫犲伐鍏峰唴緇勫悎鍦ㄤ竴璧鳳紝緇勪歡涓庣粍浠躲佺粍浠朵笌澶栫晫涔嬮棿閫氳繃浜嬩歡鐨勪紶閫掕繘琛岄氫俊錛屾瀯鎴愪竴涓簲鐢ㄣ?/font></p> <p style="COLOR: #000000"><font face="Times New Roman">2銆丣avaBean浜嬩歡妯″瀷鐨勬諱綋緇撴瀯錛堢暐錛?nbsp;<br>3銆佷簨浠剁洃鍚呯殑娉ㄥ唽涓庢敞閿 <br>涓轟簡鍚勭鍙兘鐨勪簨浠剁洃鍚呮妸鑷繁娉ㄥ唽鍏ュ悎閫傜殑浜嬩歡婧愪腑錛屽緩绔嬫簮涓庝簨浠剁洃鍚呴棿鐨勪簨浠舵祦錛屼簨浠舵簮蹇呴』涓轟簨浠剁洃鍚呮彁渚涙敞鍐屽拰娉ㄩ攢鐨勬柟娉曘?nbsp;<br>public void add< ListenerType>  (< ListenerType> listener)錛?br>public void remove< ListenerType>  (< ListenerType> listener)錛?nbsp;<br>4銆佷簨浠?/font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>緙栫▼</font></a><font face="Times New Roman">鐨勬楠?nbsp;<br>澹版槑鎸囧畾鐨勪簨浠舵帴鍙e璞?/font></p> <p style="COLOR: #000000"><font face="Times New Roman">鍏佽瑙﹀彂璇ョ被鍨嬬殑浜嬩歡 </font></p> <p style="COLOR: #000000"><font face="Times New Roman">瀹炵幇緇存姢璇ヤ簨浠剁殑鐩戝惉鍣ㄥ垪琛ㄧ殑鏂規硶錛堝簲璇ュ寘鍚湁娣誨姞鍜屽垹闄わ級 </font></p> <p style="COLOR: #000000"><font face="Times New Roman">鍚戞墍鏈夋敞鍐岃綾誨瀷鐨勪簨浠剁粍浠跺垎鍙戣浜嬩歡 </font></p> <p style="COLOR: #000000"><font face="Times New Roman">涓冦丣avaBean 鐨勮嚜媯 </font></p> <p style="COLOR: #000000"><font face="Times New Roman">錛?錛夊惈涔夛細<br>    浣垮閮ㄧ粍浠惰兘澶熷鎵懼埌鍏充簬JavaBean鐨勭粨鏋勫拰鍔熻兘鐨勫唴閮ㄤ俊鎭?nbsp;<br>錛?錛夋柟娉曪細<br>鍒╃敤璁捐妯″紡鏉ラ殣鍚湴鎻愪緵鑷淇℃伅銆?br>鐢變簬Bean涓殑灞炴с佹柟娉曘佷簨浠剁瓑鐨勫懡鍚嶆湁涓瀹氱殑瑙勫垯錛屽閮ㄧ郴緇熷彲浠ュ埄鐢ㄨ繖浜涜鍒欐潵鑾峰緱Bean鐨勭粨鏋勫拰鍔熻兘鐨勫唴閮ㄤ俊鎭?br>灞炴ц璁℃ā寮?br>浜嬩歡璁捐妯″紡<br>鏂規硶璁捐妯″紡 <br>鍒╃敤BeanInfo鎻愪緵鏄劇ず淇℃伅</font></p> <p style="COLOR: #000000"><font face="Times New Roman">1銆佸埄鐢ㄥ睘鎬ц璁℃ā寮忔彁渚涜嚜媯淇℃伅</font></p> <p style="COLOR: #000000"><font face="Times New Roman">灞炴ц璁℃ā寮忥細 <br>鐢ㄤ簬鏍囪瘑Bean 涓殑鍏湁鐨勫彲璁塊棶鐨勫睘鎬э紝鍗充緷璧杇etXXX()銆乻etXXX()銆乮sXXX()絳夎闂呮柟娉曟潵鍐沖畾鍙闂殑灞炴с?/font></p> <p style="COLOR: #000000"><font face="Times New Roman">2銆佸埄鐢ㄤ簨浠惰璁℃ā寮忔彁渚涜嚜媯淇℃伅</font></p> <p style="COLOR: #000000"><font face="Times New Roman">浜嬩歡璁捐妯″紡錛?br>Bean灝嗕簨浠墮氱煡鍙戦佺粰闇瑕佹帴鏀惰繖浜涢氱煡騫跺凡緇忓湪榪欎釜Bean涓婃敞鍐屼簡鐨勪簨浠剁洃鍚櫒銆?br>鍥犱負浜嬩歡鐩戝惉鍣ㄥ繀欏誨湪Bean涓婅繘琛屾敞鍐岋紝鎵浠ラ渶瑕丅ean鎻愪緵閫傚綋鐨勬柟娉曟潵瀹炵幇娉ㄥ唽榪囩▼銆?br>鍥犱負鍦↗avaBean鐨勮嚜媯鏈哄埗涓紝鍙互浠庢敞鍐屾柟娉曠殑鍚嶅瓧浠ュ強鏂規硶鐨勫弬鏁扮被鍨嬫嫻嬪埌浜嬩歡婧愪細浜х敓浠涔堜簨浠躲?/font></p> <p style="COLOR: #000000"><font face="Times New Roman">浜嬩歡璁捐妯″紡</font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>緙栫▼</font></a><font face="Times New Roman">瑕佺偣<br>浜嬩歡娉ㄥ唽鏂規硶甯稿父鏄垚瀵瑰嚭鐜幫紙娣誨姞鍜屽垹闄わ級銆?br>JavaBean鐨勮嚜媯鍣ㄦ鏄嬌鐢ㄨ繖浜涙柟娉曡闂瓸ean鍙互鍙戦佺殑浜嬩歡銆?nbsp;<br>浜嬩歡娉ㄥ唽蹇呴』閬靛驚濡備笅鐨勪簨浠惰璁℃ā寮忥紝浠ヤ究鑷姩鑷鏈嶅姟鍙互姝g‘鍦拌繘琛?nbsp; </font></p> <p style="COLOR: #000000"><font face="Times New Roman">public void add<eventlistenertype></eventlistenertype>  (<eventlistenertype></eventlistenertype> e);<br>public void remove<eventlistenertype></eventlistenertype>(<eventlistenertype></eventlistenertype> e); </font></p> <p style="COLOR: #000000"><br><font face="Times New Roman">3銆佸埄鐢ㄦ柟娉曡璁℃ā寮忔彁渚涜嚜媯淇℃伅</font></p> <p style="COLOR: #000000"><font face="Times New Roman">鐢變簬榪欎簺public鏂規硶鏄畬鍏ㄧ敱Bean鐨勮璁¤呭畾涔夌殑錛屽畠浠湪鍚勪釜Bean涓病鏈夊浐瀹氱殑浣跨敤鐗瑰緛錛屽洜姝ゅ榪欎簺鏂規硶娌℃湁鐗瑰畾鐨勮璁℃ā寮忚閬靛驚銆?nbsp;</font></p> <p style="COLOR: #000000"><br><font face="Times New Roman">瑕佹眰錛?br>Bean鍙互鍦ㄤ竴涓崟鐙殑鐩稿叧綾諱腑鏄劇ず鍦拌〃鐜板畠鐨勭壒寰侊紝榪欎釜綾誨簲璇ュ疄鐜癇eanInfo鎺ュ彛鎴栨槸緇ф壙SimpleBeanInfo綾繪潵鏄劇ず鍦拌〃鐜板彲浠ヨ鏋勯犲櫒宸ュ叿鑾峰彇鐨凚ean鐨勮璁$幆澧冧俊鎭?nbsp;<br></font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>緙栫▼</font></a><font face="Times New Roman">鐨勬柟娉曪細<br>灝咮ean鐨勭浉鍏充俊鎭被鐨勫悕縐板悗鍔?#8220;BeanInfo”<br>緇ф壙SimpleBeanInfo綾伙紙瀹冨疄鐜頒簡BeanInfo鎺ュ彛錛?br>鍦˙ean鐨勭浉鍏充俊鎭被涓疄鐜版墍闇瑕佺殑BeanInfo鎺ュ彛涓殑鏂規硶浠ユ樉寮忓湴鎻愪緵Bean鐨勪俊鎭?nbsp;<br>import java.beans.*;<br> public class JavaBeanButtonBeanInfo extends SimpleBeanInfo<br> {  public Image getIcon(int iconKind)<br>  {//浠ヤ笅浠g爜涓篔avaBean鎻愪緵16*16鍜?2*32鐨勫浘鏍?br>  }     <br>  public BeanDescriptor getBeanDescriptor()<br>  {//浠ヤ笅浠g爜涓篔avaeBean鎻愪緵鍦ㄥ簲鐢ㄧ▼搴忕殑鏋勯犲伐鍏蜂腑鐨勬樉紺哄悕縐板瓧涓?br>   }<br>public PropertyDescriptor[] getPropertyDescriptors()<br>  { //浠ヤ笅浠g爜鏄懼紡鍦板0鏄庡睘鎬?nbsp; <br>  }<br>  public int getDefaultPropertyIndex()<br>  { return 5;//灝嗘煇涓睘鎬т綔涓虹己鐪佺殑灞炴?br>  }<br>public EventSetDescriptor[] getEventSetDescriptors()<br>  { //涓築ean鏄懼紡鍦版敞鍐屼簨浠舵帴鍙?nbsp;<br>  }<br>    }</font></p> <p style="COLOR: #000000"><br><font face="Times New Roman">鍏丣avaBean鎸佷箙鍖?nbsp;</font></p> <p style="COLOR: #000000"><br><font face="Times New Roman">鍚箟錛?nbsp; 閫氳繃鎸佷箙鍖栵紝鍙互灝咮ean鐨勫唴閮ㄧ姸鎬侊紙鏌愪簺瀛楁鐨勪俊鎭級淇濆瓨涓嬫潵騫跺浠ュ悗浣跨敤銆?nbsp;<br>瀹炵幇鏈哄埗錛?br> Bean鐨勬寔涔呭寲鏄熀浜嶫ava鐨勫璞″簭鍒楀寲鏈哄埗鐨勩傚洜姝ゅ湪瀹氫箟Bean鏃惰浣垮畠瀹炵幇Serializable鎺ュ彛銆?nbsp;<br>瀛樺偍浣嶇疆錛氬彲浠ュ瓨鍌ㄥ湪鏂囦歡涓?nbsp;瑕佺偣錛?br> 浠諱綍瀹炵幇浜哠erializable鎺ュ彛鐨凧ava綾婚兘鍙互鎴愪負涓涓狫avaBean綾匯?nbsp;</font></p> <p style="COLOR: #000000"><font face="Times New Roman">JavaBean鎸佷箙鍖栫殑褰㈠紡 </font></p> <p style="COLOR: #000000"><font face="Times New Roman">錛堜竴錛夐粯璁ょ殑搴忓垪鍖栵細<br>瀹炵幇浜哠erializable搴忓垪鍖栨帴鍙g殑Bean涓瓧孌電殑淇℃伅灝嗚鑷姩淇濆瓨銆?nbsp;<br>鑻ヤ笉鎯充繚瀛樻煇浜涘瓧孌電殑淇℃伅鍒欏彲鍦ㄨ繖浜涘瓧孌靛墠鍐犱互transient鎴杝tatic鍏抽敭瀛?nbsp;<br>transient鍜宻tatic鍙橀噺鐨勪俊鎭槸涓嶅彲琚繚瀛樼殑銆傚洜涓簍ransient浠h〃Bean鍦ㄦ煇嬈$壒瀹氫細璇濇湡闂寸殑淇℃伅錛屾槸涓存椂鍙橀噺錛屾病鏈夊繀瑕佹案涔呬繚瀛樸?/font></p> <p style="COLOR: #000000"><font face="Times New Roman">榛樿鐨勫簭鍒楀寲</font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>緙栫▼</font></a><font face="Times New Roman">瑕佺偣</font></p> <p style="COLOR: #000000"><font face="Times New Roman">錛?錛変竴涓狟ean涓墍鏈塸ublic灞炴ч兘搴斿綋鏄淇濆瓨鐨勶紝涔熷彲鏈夐夋嫨鍦頒繚瀛樺唴閮ㄧ姸鎬併?nbsp;<br>錛?錛塀ean</font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>寮鍙?/font></a><font face="Times New Roman">鑰呭湪淇敼</font><a class=channel_keylink ><font face="Times New Roman" color=#0000ff>杞歡</font></a><font face="Times New Roman">鏃訛紝鍙互娣誨姞瀛楁銆佺Щ璧板鍏跺畠綾葷殑寮曠敤錛屾敼鍙樹竴涓瓧孌電殑private/protected/public鐘舵侊紝榪欎簺閮戒笉褰卞搷綾葷殑瀛樺偍緇撴瀯鍏崇郴銆?nbsp;<br>錛?錛夊疄鐜頒簡Serializable搴忓垪鍖栨帴鍙g殑綾誨繀欏繪湁涓涓棤鍙傛暟鐨勬瀯閫犲嚱鏁幫紝閲嶅緩瀵硅薄鏃墮渶瑕佽皟鐢ㄥ畠銆?br>錛?錛夊綋浠庣被涓垹闄や竴涓瓧孌碉紝鏀瑰彉涓涓彉閲忓湪綾諱綋緋諱腑鐨勪綅緗紝鎶婃煇涓瓧孌墊敼鎴恡ransient/static錛屾垨鍘熸潵鏄痶ransient/static錛岀幇鏀逛負鍒殑鐗規ф椂錛岄兘灝嗗紩璧峰瓨鍌ㄥ叧緋葷殑鍙樺寲銆?nbsp;<br>錛?錛夊鏋淏ean鐨勫熀綾誨凡緇忓疄鐜頒簡搴忓垪鍖栨帴鍙o紝鍒欒Bean鍙互涓嶅繀鍐嶅疄鐜板畠銆?/font></p> <p style="COLOR: #000000"><br><font face="Times New Roman">錛堜簩錛夊榛樿鐨勫簭鍒楀寲榪涜瀹氬埗錛屽湪Bean綾諱腑閲嶅啓readObject()涓巜riteObject()鏂規硶瀹氬埗搴忓垪鍖栫殑鏁版嵁銆?nbsp;<br>濡傛灉鍦ㄥ彲搴忓垪鍖栫殑Bean涓寘鍚湁涓婇潰涓や釜鏂規硶錛屽垯鍙互瀹炵幇瀹氬埗搴忓垪鍖?/font></p> <p style="COLOR: #000000"><font face="Times New Roman">搴旂敤鍦哄悎錛?br>甯屾湜瀵瑰簭鍒楀寲鐨勮繃紼嬫墽琛屾洿澶氱殑鎺у埗錛堥夋嫨鎬у湴榪涜搴忓垪鍖栵級銆?nbsp;<br>搴忓垪鍖栦笉鑳界敱榛樿鐨勫簭鍒楀寲瀹屾垚鐨勬暟鎹static鏁版嵁 <br>鎴栬呴渶瑕佸悜搴忓垪鍖栨暟鎹腑娣誨姞涓嶆槸瀵硅薄鏁版嵁鎴愬憳鐨勬暟鎹椂錛堥檮鍔犵殑鏁版嵁錛夈?nbsp;<br>浣嗚姹傚畠浠負private鏂規硶銆?br>瀹氬埗搴忓垪鍖栫殑紺轟緥浠g爜<br>private void writeObject(ObjectOutputStream out)  throws IOException<br>{ out.defaultWriteObject();<br> //鍏堣繘琛岄粯璁ょ殑搴忓垪鍖栧啓鎿嶄綔<br> out.writeInt(JavaBeanButtonVersion );<br> //鍐嶅啓鍏tatic 鐨凧avaBeanButtonVersion鏁版嵁<br>}</font></p> <p style="COLOR: #000000"><font face="Times New Roman">private void readObject(ObjectInputStream in)   throws IOException,ClassNotFoundException<br>{  in.defaultReadObject(); <br>   //鍏堣繘琛岄粯璁ょ殑搴忓垪鍖栬鎿嶄綔<br> JavaBeanButtonVersion =in.readInt();<br> //鍐嶈鍑簊tatic 鐨凧avaBeanButtonVersion鏁版嵁<br>}</font></p> <img height=19 src="http://www.tkk7.com/Emoticons/QQ/22.gif" width=19 border=0></font> <img src ="http://www.tkk7.com/jier/aggbug/141418.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/jier/" target="_blank">澶忛洩</a> 2007-08-30 16:10 <a href="http://www.tkk7.com/jier/articles/141418.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>Java IO嫻?/title><link>http://www.tkk7.com/jier/articles/138061.html</link><dc:creator>澶忛洩</dc:creator><author>澶忛洩</author><pubDate>Mon, 20 Aug 2007 02:30:00 GMT</pubDate><guid>http://www.tkk7.com/jier/articles/138061.html</guid><wfw:comment>http://www.tkk7.com/jier/comments/138061.html</wfw:comment><comments>http://www.tkk7.com/jier/articles/138061.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/jier/comments/commentRss/138061.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/jier/services/trackbacks/138061.html</trackback:ping><description><![CDATA[<p style="FONT-SIZE: 14pt">嫻佺殑姒傚康<br>    嫻?stream)鐨勬蹇墊簮浜嶶NIX涓閬?pipe)鐨勬蹇點傚湪UNIX涓紝綆¢亾鏄竴鏉′笉闂存柇鐨勫瓧鑺傛祦錛岀敤鏉ュ疄鐜扮▼搴忔垨榪涚▼闂寸殑閫氫俊錛屾垨璇誨啓澶栧洿璁懼銆佸閮ㄦ枃浠剁瓑銆?br>    涓涓祦錛屽繀鏈夋簮绔拰鐩殑绔紝瀹冧滑鍙互鏄綆楁満鍐呭瓨鐨勬煇浜涘尯鍩燂紝涔熷彲浠ユ槸紓佺洏鏂囦歡錛岀敋鑷沖彲浠ユ槸Internet涓婄殑鏌愪釜URL銆?br>    嫻佺殑鏂瑰悜鏄噸瑕佺殑錛屾牴鎹祦鐨勬柟鍚戯紝嫻佸彲鍒嗕負涓ょ被錛氳緭鍏ユ祦鍜岃緭鍑烘祦銆傜敤鎴峰彲浠ヤ粠杈撳叆嫻佷腑璇誨彇淇℃伅錛屼絾涓嶈兘鍐欏畠銆傜浉鍙嶏紝瀵硅緭鍑烘祦錛屽彧鑳藉線杈撳叆嫻佸啓錛岃屼笉鑳借瀹冦?br>    瀹為檯涓婏紝嫻佺殑婧愮鍜岀洰鐨勭鍙畝鍗曞湴鐪嬫垚鏄瓧鑺傜殑鐢熶駭鑰呭拰娑堣垂鑰咃紝瀵硅緭鍏ユ祦錛屽彲涓嶅繀鍏沖績瀹冪殑婧愮鏄粈涔堬紝鍙綆鍗曞湴浠庢祦涓鏁版嵁錛岃屽杈撳嚭嫻侊紝涔熷彲涓嶇煡閬撳畠鐨勭洰鐨勭錛屽彧鏄畝鍗曞湴寰嫻佷腑鍐欐暟鎹?nbsp;<br>    java.io鍖呬腑鐨勭被瀵瑰簲涓ょ被嫻侊紝涓綾繪祦鐩存帴浠庢寚瀹氱殑浣嶇疆錛堝紓佺洏鏂囦歡鎴栧唴瀛樺尯鍩燂級璇繪垨鍐欙紝榪欑被嫻佺О涓虹粨鐐規祦(node stream)錛屽叾瀹冪殑嫻佸垯縐頒負榪囨護鍣?filters)銆傝繃婊ゅ櫒杈撳叆嫻佸線寰鏄互鍏跺畠杈撳叆嫻佷綔涓哄畠鐨勮緭鍏ユ簮錛岀粡榪囪繃婊ゆ垨澶勭悊鍚庡啀浠ユ柊鐨勮緭鍏ユ祦鐨勫艦寮忔彁渚涚粰鐢ㄦ埛錛岃繃婊ゅ櫒杈撳嚭嫻佺殑鍘熺悊涔熺被浼箋?nbsp;<br><br>Java鐨勫父鐢ㄨ緭鍏ャ佽緭鍑烘祦<br>    鍦╦ava涓紝紼嬪簭鍙互鎵撳紑涓涓緭鍏ユ祦錛岃緭鍏ユ祦鐨勪俊鎭簮鍙互浣嶄簬鏂囦歡錛屽唴瀛樻垨緗戠粶濂楁帴瀛?socket)絳夊湴鏂? 淇℃伅婧愮殑綾誨瀷鍙互鏄寘鎷璞★紝瀛楃錛屽浘璞★紝澹伴煶鍦ㄥ唴鐨勪換浣曠被鍨嬨?br>涓鏃︽墦寮杈撳叆嫻佸悗錛岀▼搴忓氨鍙粠杈撳叆嫻佷覆琛屽湴璇繪暟鎹?nbsp;<br>浠庤緭鍏ユ祦璇繪暟鎹殑榪囩▼涓鑸涓嬶細 <br>open a stream<br>while more information<br>    read information<br>close the stream<br><br>綾諱技鍦幫紝紼嬪簭涔熻兘閫氳繃鎵撳紑涓涓緭鍑烘祦騫墮『搴忓湴鍐欏叆鏁版嵁鏉ュ皢淇℃伅閫佽嚦鐩殑绔?nbsp;<br> <br>寰杈撳嚭嫻佸啓鏁版嵁鐨勮繃紼嬩竴鑸涓嬶細 <br>open a stream<br>while more information<br>    write information<br>close the stream<br>java.io鍖呬腑鐨剆tream綾繪牴鎹畠浠搷浣滃璞$殑綾誨瀷鏄瓧絎﹁繕鏄瓧鑺傚彲鍒嗕負涓ゅぇ綾伙細 瀛楃嫻佸拰瀛楄妭嫻併?br><br>Java鐨勫瓧鑺傛祦 <br>    鍙互鐪嬪嚭錛孖nputStream鏄墍鏈夊瓧鑺傝緭鍏ユ祦鐨勭鍏堬紝鑰孫utputStream鏄墍鏈夊瓧鑺傝緭鍑烘祦鐨勭鍏堛?nbsp;<br>InputStream<br>璇ョ被鏄竴涓娊璞$被錛屽叾鏂規硶鍖呮嫭錛?nbsp;<br>int read()<br>int read(byte[])<br>int read(byte[],int,int)<br>    榪欎笁涓柟娉曞彲浠庤緭鍏ユ祦璇誨叆瀛楄妭鎴栧瓧鑺傛暟緇勩傝娉ㄦ剰鐨勬槸鏃犲弬鏁扮殑read()鏂規硶榪斿洖涓涓?鑷?55涔嬮棿鐨勬暣鏁版垨-1, -1浠h〃閬囧埌浜嗘祦鐨勭粨鏉燂紝鍏跺畠瀵瑰簲璇誨叆鐨勫瓧鑺傘?br>鍚庝袱縐嶆柟娉曞垯灝嗗瓧鑺傝鍏ュ弬鏁扮粰瀹氱殑瀛楄妭鏁扮粍錛岃繑鍥炲兼槸瀹為檯璇誨叆鐨勫瓧鑺傛暟鎴?1(閬囧埌浜嗘祦緇撴潫)銆傜涓変釜read鏂規硶鐨勫悗涓や釜鍙傛暟鍒嗗埆緇欏嚭璇誨叆鐨勮搗濮嬩綅緗拰璇誨叆鐨勬渶澶у瓧鑺傛暟銆?br>InputStream榪樻湁涓浜涘叾瀹冩柟娉曪紝濡傦細 <br>void close()    //鍏抽棴嫻?br>int available()   //鎶ュ憡嫻佷腑鐩存帴鍙鐨勫瓧鑺傛暟<br>skip(long)      //璺寵繃嫻佷腑鎸囧畾鐨勫瓧鑺?br>OutputStream<br>OutputStream涔熸槸涓涓娊璞$被銆傚畠鐨勪富瑕佹柟娉曞寘鎷細 <br>void write(int)<br>void write(byte[])<br>void write(byte[],int,int)<br>鍏朵腑絎竴涓柟娉曠殑int鍨嬬殑鍙傛暟瀵瑰簲瑕佸啓鍏ョ殑瀛楄妭錛屽悗涓や釜鏂規硶鐨勫弬鏁頒笌InputStream綾諱技銆?nbsp;<br>void close()     //鍏抽棴杈撳嚭嫻?br>void flush()     //寮鴻灝嗗啓鍏ョ紦鍐插尯涓墿浣欑殑鏁版嵁鍐欏叆<br>FileInputStream鍜孎ileOutputStream<br>榪欎袱涓被灞炰簬緇撶偣嫻侊紝絎竴涓被鐨勬簮绔拰絎簩涓被鐨勭洰鐨勭閮芥槸紓佺洏鏂囦歡錛屽畠浠殑鏋勯犳柟娉曞厑璁擱氳繃鏂囦歡鐨勮礬寰勫悕鏉ユ瀯閫犵浉搴旂殑嫻併傚錛?nbsp;<br>FileInputStream infile = new FileInputStream("myfile.dat");<br>FileOutputStream outfile = new FileOutputStream("results.dat");<br>瑕佹敞鎰忕殑鏄紝鏋勯燜ileInputStream, 瀵瑰簲鐨勬枃浠跺繀欏誨瓨鍦ㄥ茍涓旀槸鍙鐨勶紝鑰屾瀯閫燜ileOutputStream鏃訛紝濡傝緭鍑烘枃浠跺凡瀛樺湪錛屽垯蹇呴』鏄彲瑕嗙洊鐨勩?nbsp;<br><br>BufferedInputStream鍜孊ufferedOutputStream<br>瀹冧滑鏄繃婊ゅ櫒嫻侊紝鍏朵綔鐢ㄦ槸鎻愰珮杈撳叆杈撳嚭鐨勬晥鐜囥?nbsp;<br><br>DataInputStream鍜孌ataOutputStream<br>榪欎袱涓被鍒涘緩鐨勫璞″垎鍒縐頒負鏁版嵁杈撳叆嫻佸拰鏁版嵁杈撳嚭嫻併傝繖鏄緢鏈夌敤鐨勪袱涓祦錛屽畠浠厑璁哥▼搴忔寜涓庢満鍣ㄦ棤鍏崇殑椋庢牸璇誨啓Java鏁版嵁銆傛墍浠ユ瘮杈冮傚悎浜庣綉緇滀笂鐨勬暟鎹紶杈撱傝繖涓や釜嫻佷篃鏄繃婊ゅ櫒嫻侊紝甯鎬互鍏跺畠嫻佸InputStream鎴朞utputStream浣滀負瀹冧滑鐨勮緭鍏ユ垨杈撳嚭銆?br><br>Java鐨勫瓧絎︽祦 <br>    瀛楃嫻佷富瑕佹槸鐢ㄦ潵澶勭悊瀛楃鐨勩侸ava閲囩敤16浣嶇殑Unicode鏉ヨ〃紺哄瓧絎︿覆鍜屽瓧絎︼紝瀵瑰簲鐨勫瓧絎︽祦鎸夎緭鍏ュ拰杈撳嚭鍒嗗埆縐頒負readers鍜寃riters銆?nbsp;<br>InputStreamReader鍜孫utputStreamWriter<br>鍦ㄦ瀯閫犺繖涓や釜綾誨搴旂殑嫻佹椂錛屽畠浠細鑷姩榪涜杞崲錛屽皢騫沖彴緙虹渷鐨勭紪鐮侀泦緙栫爜鐨勫瓧鑺傝漿鎹負Unicode瀛楃銆傚鑻辮鐜錛屽叾緙虹渷鐨勭紪鐮侀泦涓鑸負ISO8859-1銆?nbsp;<br><br>BufferedReader鍜孊ufferedWriter<br>榪欎袱涓被瀵瑰簲鐨勬祦浣跨敤浜嗙紦鍐詫紝鑳藉ぇ澶ф彁楂樿緭鍏ヨ緭鍑虹殑鏁堢巼銆傝繖涓や釜涔熸槸榪囨護鍣ㄦ祦錛屽父鐢ㄦ潵瀵笽nputStreamReader鍜孫utputStreamWriter榪涜澶勭悊銆傚錛?nbsp;<br>import java.io.*;<br>public class Echo {<br>  public static void main(String[] args) {<br>    BufferedReader in =<br>      new BufferedReader(<br>        new InputStreamReader(System.in));<br>    String s;<br>    try {<br>      while((s = in.readLine()).length() != 0)<br>        System.out.println(s);<br>      // An empty line terminates the program<br>    } catch(IOException e) {<br>      e.printStackTrace();<br>    }<br>  }<br>} <br>璇ョ▼搴忔帴鍙楅敭鐩樿緭鍏ュ茍鍥炴樉銆?br>瀵笲ufferedReader綾伙紝璇ョ被鐨剅eadLine()鏂規硶鑳戒竴嬈′粠嫻佷腑璇誨叆涓琛岋紝浣嗗浜嶣ufferedWriter綾伙紝灝辨病鏈変竴嬈″啓涓琛岀殑鏂規硶錛屾墍浠ヨ嫢瑕佸悜嫻佷腑涓嬈″啓涓琛岋紝鍙敤PrintWriter綾誨皢鍘熸潵鐨勬祦鏀歸犳垚鏂扮殑鎵撳嵃嫻侊紝PrintWriter綾繪湁涓涓柟娉昿rintln()錛岃兘涓嬈¤緭鍑轟竴琛屻傚錛?nbsp;<br>............<br>PrintWriter out = new PrintWriter(new BufferedWriter(<br>      new FileWriter("D:\javacode\test.txt");<br>out.println("Hello World!");<br>out.close(); 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