锘??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;&#31934;&#21697;&#29436;&#21451;&#22312;&#32447;&#25773;&#25918;&#44;&#51;&#51;&#55;&#112;&#26085;&#26412;&#27431;&#27954;&#20122;&#27954;&#22823;&#32966;&#33402;&#26415;&#44;&#50;&#48;&#49;&#57;&#20122;&#27954;&#21320;&#22812;&#26080;&#30721;&#22825;&#22530;</title><link>http://www.tkk7.com/gemscorpio/category/3066.html</link><description>鐩墠鐨勭洰鏍囨槸鍋氫竴鍚嶅悎鏍肩殑Java紼嬪簭鍛橈紝涓烘鎴戣a Za a Za fighting</description><language>zh-cn</language><lastBuildDate>Tue, 27 Feb 2007 23:34:27 GMT</lastBuildDate><pubDate>Tue, 27 Feb 2007 23:34:27 GMT</pubDate><ttl>60</ttl><item><title>甯哥敤鐨刟nt鐨勬搷浣?/title><link>http://www.tkk7.com/Gemscorpio/articles/13983.html</link><dc:creator>MudFish</dc:creator><author>MudFish</author><pubDate>Sun, 25 Sep 2005 03:32:00 GMT</pubDate><guid>http://www.tkk7.com/Gemscorpio/articles/13983.html</guid><wfw:comment>http://www.tkk7.com/Gemscorpio/comments/13983.html</wfw:comment><comments>http://www.tkk7.com/Gemscorpio/articles/13983.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/Gemscorpio/comments/commentRss/13983.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/Gemscorpio/services/trackbacks/13983.html</trackback:ping><description><![CDATA[Gem杞細<BR>涓昏鐨勫唴瀹規(guī)湁錛?BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;(1)寤虹珛涓�涓」鐩?BR>&nbsp;&nbsp;&nbsp;&nbsp;(2)寤虹珛灞炴�?BR>&nbsp;&nbsp;&nbsp;&nbsp;(3)瀵規(guī)暟鎹簱鐨勬搷浣?BR>&nbsp;&nbsp;&nbsp;&nbsp;(4)javac緙栬瘧&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;(5)鍒犻櫎鐩綍&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;(6)寤虹珛鐩綍&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;(7)鎷瘋礉鏂囦歡緹?nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;(8)jar涓轟竴涓寘&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;(9)鎷瘋礉鍗曚釜鏂囦歡&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;(10)榪愯<BR>&nbsp;&nbsp;鏈夋洿澶氭洿濂界殑甯哥敤鐨?鎴戞病鎯沖埌鐨?甯屾湜澶у琛ュ厖銆?nbsp;&nbsp;<BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&lt;!--(1)寤虹珛涓�涓」鐩紝榛樿鐨勬搷浣滀負target=all.&nbsp;--&gt;<BR>&nbsp;&nbsp;&lt;project&nbsp;name="proj"&nbsp;default="all"&nbsp;basedir="."&gt;<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;!--(2)寤虹珛涓�浜涘睘鎬э紝浠ヤ緵涓嬭竟鐨勬搷浣滅敤鍒?nbsp;--&gt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;property&nbsp;name="root"&nbsp;&nbsp;value="./"&nbsp;/&gt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;property&nbsp;name="deploy_path"&nbsp;&nbsp;value="d:/deploy"&nbsp;/&gt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;property&nbsp;name="srcfile"&nbsp;&nbsp;value="d:/srcfile"&nbsp;/&gt;&nbsp;&nbsp;<BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;target&nbsp;name="all"&nbsp;depends="compile,deploy"/&gt;<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;!--(3)瀵規(guī)暟鎹簱鐨勬搷浣?nbsp;demo.ddl涓啓鐨勬槸sql璇彞&nbsp;driver,url,userid,password<BR>闅忓叿浣撴儏鍐佃緗?-&gt;&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;!--&nbsp;Oracle&nbsp;--&gt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;target&nbsp;name="db_setup_oracle"&nbsp;description="Database&nbsp;setup&nbsp;for&nbsp;Oracle<BR>"&gt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;antcall&nbsp;target="check_params_results"/&gt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;sql&nbsp;driver="oracle.jdbc.driver.OracleDriver"<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;url="jdbc:oracle:thin:@192.168.0.1:1521:oa"&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;userid="oa"&nbsp;password="oa"<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;onerror="continue"&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;print="yes"<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;src="./demo.ddl"/&gt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;/target&gt;<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;!--(4)javac緙栬瘧&nbsp;--&gt;&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;target&nbsp;name="compile"&gt;&nbsp;&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;javac&nbsp;srcdir="${srcfile}"<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;destdir="${root}/oa/"<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;includes="*.java"<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;classpath="${CLASSPATH};${CLIENT_CLASSES}/utils_common.jar"&nbsp;&nbsp;&nbsp;&lt;!--CLASSPATH<BR>鍜孋LIENT_CLASSES鏄幆澧冨彉閲?-&gt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/&gt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;/target&gt;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;target&nbsp;name="deploy"&nbsp;depends="compile"&gt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;!--&nbsp;Create&nbsp;the&nbsp;time&nbsp;stamp&nbsp;--&gt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;tstamp/&gt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;!--(5)鍒犻櫎鐩綍--&gt;&nbsp;&nbsp;&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;!--(6)寤虹珛鐩綍--&gt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;delete&nbsp;dir="${root}/dist/"/&gt;&nbsp;&nbsp;&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;mkdir&nbsp;dir="${root}/dist/"/&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;delete&nbsp;dir="${deploy_path}"/&gt;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;mkdir&nbsp;dir="${deploy_path}"/&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;!--(7)鎷瘋礉鏂囦歡緹?-&gt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;copy&nbsp;todir="${root}/dist/"&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;fileset&nbsp;dir="${root}/oa/"&gt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;include&nbsp;name="*.class"/&gt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;/fileset&gt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;/copy&gt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;!--(8)jar涓轟竴涓寘--&gt;&nbsp;&nbsp;&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;jar&nbsp;jarfile="${deploy_path}/classjar.jar"&nbsp;basedir="${root}/dist"&nbsp;update<BR>="yes"&gt;&lt;/jar&gt;&nbsp;&nbsp;<BR>&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;!--(9)鎷瘋礉鍗曚釜鏂囦歡(涓婅竟鏄枃浠剁兢,榪欐槸鍗曚釜鏂囦歡)--&gt;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;copy&nbsp;file="${deploy_path}/classjar.jar"&nbsp;todir="${root}/dist/"/&gt;&nbsp;<BR><BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;/target&gt;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;!--(10)榪愯(args涓槸鍙傛暟,闅忓簲鐢ㄧ▼搴忕殑鍏蜂綋鎯呭喌鏈夋墍涓嶅悓)-&gt;<BR>&nbsp;&nbsp;&nbsp;&lt;target&nbsp;name="simplesql"&nbsp;&nbsp;depends="compile,db_setup_oracle"&gt;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&lt;java&nbsp;classname="examples.jdbc.oracle.simplesql"<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;fork="yes"&nbsp;failonerror="yes"<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;args="-user&nbsp;zrb&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-password&nbsp;zrb&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"/&gt;<BR><BR>&nbsp;&nbsp;&lt;/project&gt;&nbsp;<img src ="http://www.tkk7.com/Gemscorpio/aggbug/13983.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/Gemscorpio/" target="_blank">MudFish</a> 2005-09-25 11:32 <a href="http://www.tkk7.com/Gemscorpio/articles/13983.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>鍏充簬Java鏍堜笌鍫嗙殑鎬濊�?/title><link>http://www.tkk7.com/Gemscorpio/articles/13982.html</link><dc:creator>MudFish</dc:creator><author>MudFish</author><pubDate>Sun, 25 Sep 2005 03:27:00 GMT</pubDate><guid>http://www.tkk7.com/Gemscorpio/articles/13982.html</guid><wfw:comment>http://www.tkk7.com/Gemscorpio/comments/13982.html</wfw:comment><comments>http://www.tkk7.com/Gemscorpio/articles/13982.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/Gemscorpio/comments/commentRss/13982.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/Gemscorpio/services/trackbacks/13982.html</trackback:ping><description><![CDATA[1.&nbsp;鏍?stack)涓庡爢(heap)閮芥槸Java鐢ㄦ潵鍦≧am涓瓨鏀炬暟鎹殑鍦版柟銆備笌C++涓嶅悓錛孞ava鑷?BR>鍔ㄧ鐞嗘爤鍜屽爢錛岀▼搴忓憳涓嶈兘鐩存帴鍦拌緗爤鎴栧爢銆?nbsp;<BR><BR>銆�銆�2.&nbsp;鏍堢殑浼樺娍鏄紝瀛樺彇閫熷害姣斿爢瑕佸揩錛屼粎嬈′簬鐩存帴浣嶄簬CPU涓殑瀵勫瓨鍣ㄣ�備絾緙虹偣鏄?BR>錛屽瓨鍦ㄦ爤涓殑鏁版嵁澶у皬涓庣敓瀛樻湡蹇呴』鏄‘瀹氱殑錛岀己涔忕伒媧繪�с�傚彟澶栵紝鏍堟暟鎹彲浠ュ叡浜?BR>錛岃瑙佺3鐐廣�傚爢鐨勪紭鍔挎槸鍙互鍔ㄦ�佸湴鍒嗛厤鍐呭瓨澶у皬錛岀敓瀛樻湡涔熶笉蹇呬簨鍏堝憡璇夌紪璇戝櫒<BR>錛孞ava鐨勫瀮鍦炬敹闆嗗櫒浼氳嚜鍔ㄦ敹璧拌繖浜涗笉鍐嶄嬌鐢ㄧ殑鏁版嵁銆備絾緙虹偣鏄紝鐢變簬瑕佸湪榪愯鏃跺姩<BR>鎬佸垎閰嶅唴瀛橈紝瀛樺彇閫熷害杈冩參銆?BR><BR>銆�銆�3.&nbsp;Java涓殑鏁版嵁綾誨瀷鏈変袱縐嶃�?BR><BR>銆�銆�涓�縐嶆槸鍩烘湰綾誨瀷(primitive&nbsp;types),&nbsp;鍏辨湁8縐嶏紝鍗砳nt,&nbsp;short,&nbsp;long,&nbsp;byte,&nbsp;float<BR>,&nbsp;double,&nbsp;boolean,&nbsp;char(娉ㄦ剰錛屽茍娌℃湁string鐨勫熀鏈被鍨?銆傝繖縐嶇被鍨嬬殑瀹氫箟鏄�?BR>榪囪濡俰nt&nbsp;a&nbsp;=&nbsp;3;&nbsp;long&nbsp;b&nbsp;=&nbsp;255L;鐨勫艦寮忔潵瀹氫箟鐨勶紝縐頒負鑷姩鍙橀噺銆傚�煎緱娉ㄦ剰鐨勬槸<BR>錛岃嚜鍔ㄥ彉閲忓瓨鐨勬槸瀛楅潰鍊鹼紝涓嶆槸綾葷殑瀹炰緥錛屽嵆涓嶆槸綾葷殑寮曠敤錛岃繖閲屽茍娌℃湁綾葷殑瀛樺湪銆?BR>濡俰nt&nbsp;a&nbsp;=&nbsp;3;&nbsp;榪欓噷鐨刟鏄竴涓寚鍚慽nt綾誨瀷鐨勫紩鐢紝鎸囧悜3榪欎釜瀛楅潰鍊箋�傝繖浜涘瓧闈㈠�肩殑<BR>鏁版嵁錛岀敱浜庡ぇ灝忓彲鐭ワ紝鐢熷瓨鏈熷彲鐭?榪欎簺瀛楅潰鍊煎浐瀹氬畾涔夊湪鏌愪釜紼嬪簭鍧楅噷闈紝紼嬪簭鍧?BR>閫�鍑哄悗錛屽瓧孌靛�煎氨娑堝け浜?錛屽嚭浜庤拷姹傞�熷害鐨勫師鍥狅紝灝卞瓨鍦ㄤ簬鏍堜腑銆?BR><BR>銆�銆�鍙﹀錛屾爤鏈変竴涓緢閲嶈鐨勭壒孌婃�э紝灝辨槸瀛樺湪鏍堜腑鐨勬暟鎹彲浠ュ叡浜�傚亣璁炬垜浠悓鏃?BR>瀹氫箟錛?BR><BR>int&nbsp;a&nbsp;=&nbsp;3;&nbsp;<BR>int&nbsp;b&nbsp;=&nbsp;3錛?nbsp;<BR><BR>銆�銆�緙栬瘧鍣ㄥ厛澶勭悊int&nbsp;a&nbsp;=&nbsp;3錛涢鍏堝畠浼氬湪鏍堜腑鍒涘緩涓�涓彉閲忎負a鐨勫紩鐢紝鐒跺悗鏌ユ壘鏈?BR>娌℃湁瀛楅潰鍊間負3鐨勫湴鍧�錛屾病鎵懼埌錛屽氨寮�杈熶竴涓瓨鏀?榪欎釜瀛楅潰鍊肩殑鍦板潃錛岀劧鍚庡皢a鎸囧悜<BR>3鐨勫湴鍧�銆傛帴鐫�澶勭悊int&nbsp;b&nbsp;=&nbsp;3錛涘湪鍒涘緩瀹宐鐨勫紩鐢ㄥ彉閲忓悗錛岀敱浜庡湪鏍堜腑宸茬粡鏈?榪欎釜瀛?BR>闈㈠�鹼紝渚垮皢b鐩存帴鎸囧悜3鐨勫湴鍧�銆傝繖鏍鳳紝灝卞嚭鐜頒簡a涓巄鍚屾椂鍧囨寚鍚?鐨勬儏鍐點�?BR><BR>銆�銆�鐗瑰埆娉ㄦ剰鐨勬槸錛岃繖縐嶅瓧闈㈠�肩殑寮曠敤涓庣被瀵硅薄鐨勫紩鐢ㄤ笉鍚屻�傚亣瀹氫袱涓被瀵硅薄鐨勫紩鐢?BR>鍚屾椂鎸囧悜涓�涓璞★紝濡傛灉涓�涓璞″紩鐢ㄥ彉閲忎慨鏀逛簡榪欎釜瀵硅薄鐨勫唴閮ㄧ姸鎬侊紝閭ｄ箞鍙︿竴涓?BR>瀵硅薄寮曠敤鍙橀噺涔熷嵆鍒誨弽鏄犲嚭榪欎釜鍙樺寲銆傜浉鍙嶏紝閫氳繃瀛楅潰鍊肩殑寮曠敤鏉ヤ慨鏀瑰叾鍊鹼紝涓嶄細瀵?BR>鑷村彟涓�涓寚鍚戞瀛楅潰鍊肩殑寮曠敤鐨勫�間篃璺熺潃鏀瑰彉鐨勬儏鍐點�傚涓婁緥錛屾垜浠畾涔夊畬a涓巄鐨勫�?BR>鍚庯紝鍐嶄護a=4錛涢偅涔堬紝b涓嶄細絳変簬4錛岃繕鏄瓑浜?銆傚湪緙栬瘧鍣ㄥ唴閮紝閬囧埌a=4錛涙椂錛屽畠?yōu)?BR>浼氶噸鏂版悳绱㈡爤涓槸鍚︽湁4鐨勫瓧闈㈠�鹼紝濡傛灉娌℃湁錛岄噸鏂板紑杈熷湴鍧�瀛樻斁4鐨勫�鹼紱濡傛灉宸茬粡鏈?BR>浜嗭紝鍒欑洿鎺ュ皢a鎸囧悜榪欎釜鍦板潃銆傚洜姝鍊肩殑鏀瑰彉涓嶄細褰卞搷鍒癰鐨勫�箋�?BR><BR>銆�銆�鍙︿竴縐嶆槸鍖呰綾繪暟鎹紝濡侷nteger,&nbsp;String,&nbsp;Double絳夊皢鐩稿簲鐨勫熀鏈暟鎹被鍨嬪寘<BR>瑁呰搗鏉ョ殑綾匯�傝繖浜涚被鏁版嵁鍏ㄩ儴瀛樺湪浜庡爢涓紝Java鐢╪ew()璇彞鏉ユ樉紺哄湴鍛婅瘔緙栬瘧鍣紝<BR>鍦ㄨ繍琛屾椂鎵嶆牴鎹渶瑕佸姩鎬佸垱寤猴紝鍥犳姣旇緝鐏墊椿錛屼絾緙虹偣鏄鍗犵敤鏇村鐨勬椂闂淬�?nbsp;4.&nbsp;String<BR>鏄竴涓壒孌婄殑鍖呰綾繪暟鎹�傚嵆鍙互鐢⊿tring&nbsp;str&nbsp;=&nbsp;new&nbsp;String("abc");鐨勫艦寮忔潵鍒?BR>寤猴紝涔熷彲浠ョ敤String&nbsp;str&nbsp;=&nbsp;"abc"錛涚殑褰㈠紡鏉ュ垱寤?浣滀負瀵規(guī)瘮錛屽湪JDK&nbsp;5.0涔嬪墠錛屼綘浠?BR>鏈榪嘔nteger&nbsp;i&nbsp;=&nbsp;3;鐨勮〃杈懼紡錛屽洜涓虹被涓庡瓧闈㈠�兼槸涓嶈兘閫氱敤鐨勶紝闄や簡String銆傝�屽湪<BR>JDK&nbsp;5.0涓紝榪欑琛ㄨ揪寮忔槸鍙互鐨勶紒鍥犱負緙栬瘧鍣ㄥ湪鍚庡彴榪涜Integer&nbsp;i&nbsp;=&nbsp;new&nbsp;Integer<BR>(3)鐨勮漿鎹?銆傚墠鑰呮槸瑙勮寖鐨勭被鐨勫垱寤鴻繃紼嬶紝鍗沖湪Java涓紝涓�鍒囬兘鏄璞★紝鑰屽璞℃槸綾?BR>鐨勫疄渚嬶紝鍏ㄩ儴閫氳繃new()鐨勫艦寮忔潵鍒涘緩銆侸ava涓殑鏈変簺綾伙紝濡侱ateFormat綾伙紝鍙互閫?BR>榪囪綾葷殑getInstance()鏂規(guī)硶鏉ヨ繑鍥炰竴涓柊鍒涘緩鐨勭被錛屼技涔庤繚鍙嶄簡姝ゅ師鍒欍�傚叾瀹炰笉鐒?BR>銆傝綾昏繍鐢ㄤ簡鍗曚緥妯″紡鏉ヨ繑鍥炵被鐨勫疄渚嬶紝鍙笉榪囪繖涓疄渚嬫槸鍦ㄨ綾誨唴閮ㄩ�氳繃new()鏉?BR>鍒涘緩鐨勶紝鑰実etInstance()鍚戝閮ㄩ殣钘忎簡姝ょ粏鑺傘�傞偅涓轟粈涔堝湪String&nbsp;str&nbsp;=&nbsp;"abc"錛?BR>涓紝騫舵病鏈夐�氳繃new()鏉ュ垱寤哄疄渚嬶紝鏄笉鏄繚鍙嶄簡涓婅堪鍘熷垯錛熷叾瀹炴病鏈夈�?BR><BR>銆�銆�5.&nbsp;鍏充簬String&nbsp;str&nbsp;=&nbsp;"abc"鐨勫唴閮ㄥ伐浣溿�侸ava鍐呴儴灝嗘璇彞杞寲涓轟互涓嬪嚑涓<BR>楠わ細<BR><BR>銆�銆�(1)鍏堝畾涔変竴涓悕涓簊tr鐨勫String綾葷殑瀵硅薄寮曠敤鍙橀噺錛歋tring&nbsp;str錛?BR><BR>銆�銆�(2)鍦ㄦ爤涓煡鎵炬湁娌℃湁瀛樻斁鍊間負"abc"鐨勫湴鍧�錛屽鏋滄病鏈夛紝鍒欏紑杈熶竴涓瓨鏀懼瓧闈㈠�?BR>涓?abc"鐨勫湴鍧�錛屾帴鐫�鍒涘緩涓�涓柊鐨凷tring綾葷殑瀵硅薄o錛屽茍灝唎鐨勫瓧絎︿覆鍊兼寚鍚戣繖涓湴<BR>鍧�錛岃�屼笖鍦ㄦ爤涓繖涓湴鍧�鏃佽竟璁頒笅榪欎釜寮曠敤鐨勫璞銆傚鏋滃凡緇忔湁浜嗗�間負"abc"鐨勫湴鍧�<BR>錛屽垯鏌ユ壘瀵硅薄o錛屽茍榪斿洖o鐨勫湴鍧�銆?BR><BR>銆�銆�(3)灝唖tr鎸囧悜瀵硅薄o鐨勫湴鍧�銆?BR><BR>銆�銆�鍊煎緱娉ㄦ剰鐨勬槸錛屼竴鑸琒tring綾諱腑瀛楃涓插�奸兘鏄洿鎺ュ瓨鍊肩殑銆備絾鍍廠tring&nbsp;str&nbsp;=&nbsp;<BR>"abc"錛涜繖縐嶅満鍚堜笅錛屽叾瀛楃涓插�煎嵈鏄繚瀛樹簡涓�涓寚鍚戝瓨鍦ㄦ爤涓暟鎹殑寮曠敤錛?BR><BR>銆�銆�涓轟簡鏇村ソ鍦拌鏄庤繖涓棶棰橈紝鎴戜滑鍙互閫氳繃浠ヤ笅鐨勫嚑涓唬鐮佽繘琛岄獙璇併�?BR><BR>String&nbsp;str1&nbsp;=&nbsp;"abc";<BR>String&nbsp;str2&nbsp;=&nbsp;"abc";<BR>System.out.println(str1==str2);&nbsp;//true&nbsp;<BR><BR>銆�銆�娉ㄦ剰錛屾垜浠繖閲屽茍涓嶇敤str1.equals(str2)錛涚殑鏂瑰紡錛屽洜涓鴻繖灝嗘瘮杈冧袱涓瓧絎︿覆<BR>鐨勫�兼槸鍚︾浉絳夈�?=鍙鳳紝鏍規(guī)嵁JDK鐨勮鏄庯紝鍙湁鍦ㄤ袱涓紩鐢ㄩ兘鎸囧悜浜嗗悓涓�涓璞℃椂鎵嶈繑<BR>鍥炵湡鍊箋�傝�屾垜浠湪榪欓噷瑕佺湅鐨勬槸錛宻tr1涓巗tr2鏄惁閮芥寚鍚戜簡鍚屼竴涓璞°�?BR>緇撴灉璇存槑錛孞VM鍒涘緩浜嗕袱涓紩鐢╯tr1鍜宻tr2錛屼絾鍙垱寤轟簡涓�涓璞★紝鑰屼笖涓や釜寮曠敤閮?BR>鎸囧悜浜嗚繖涓璞°�?BR><BR>銆�銆�鎴戜滑鍐嶆潵鏇磋繘涓�姝ワ紝灝嗕互涓婁唬鐮佹敼鎴愶細<BR><BR>String&nbsp;str1&nbsp;=&nbsp;"abc";<BR>String&nbsp;str2&nbsp;=&nbsp;"abc";<BR>str1&nbsp;=&nbsp;"bcd";<BR>System.out.println(str1&nbsp;+&nbsp;","&nbsp;+&nbsp;str2);&nbsp;//bcd,&nbsp;abc<BR>System.out.println(str1==str2);&nbsp;//false&nbsp;<BR><BR>銆�銆�榪欏氨鏄錛岃祴鍊肩殑鍙樺寲瀵艱嚧浜嗙被瀵硅薄寮曠敤鐨勫彉鍖栵紝str1鎸囧悜浜嗗彟澶栦竴涓柊瀵硅薄錛?BR>鑰宻tr2浠嶆棫鎸囧悜鍘熸潵鐨勫璞°�備笂渚嬩腑錛屽綋鎴戜滑灝唖tr1鐨勫�兼敼涓?bcd"鏃訛紝JVM鍙戠幇鍦ㄦ爤<BR>涓病鏈夊瓨鏀捐鍊肩殑鍦板潃錛屼究寮�杈熶簡榪欎釜鍦板潃錛屽茍鍒涘緩浜嗕竴涓柊鐨勫璞★紝鍏跺瓧絎︿覆鐨勫�?BR>鎸囧悜榪欎釜鍦板潃銆?BR><BR>銆�銆�浜嬪疄涓婏紝String綾昏璁捐鎴愪負涓嶅彲鏀瑰彉(immutable)鐨勭被銆傚鏋滀綘瑕佹敼鍙樺叾鍊鹼紝<BR>鍙互錛屼絾JVM鍦ㄨ繍琛屾椂鏍規(guī)嵁鏂板�兼?zhèn)勬?zhèn)勫垱寤轟簡涓�涓柊瀵硅薄錛岀劧鍚庡皢榪欎釜瀵硅薄鐨勫湴鍧�榪斿洖<BR>緇欏師鏉ョ被鐨勫紩鐢ㄣ�傝繖涓垱寤鴻繃紼嬭櫧璇存槸瀹屽叏鑷姩榪涜鐨勶紝浣嗗畠姣曠珶鍗犵敤浜嗘洿澶氱殑鏃墮棿<BR>銆傚湪瀵規(guī)椂闂磋姹傛瘮杈冩晱鎰熺殑鐜涓紝浼氬甫鏈変竴瀹氱殑涓嶈壇褰卞搷銆?BR><BR>銆�銆�鍐嶄慨鏀瑰師鏉ヤ唬鐮侊細<BR><BR>String&nbsp;str1&nbsp;=&nbsp;"abc";<BR>String&nbsp;str2&nbsp;=&nbsp;"abc";<BR><BR>str1&nbsp;=&nbsp;"bcd";<BR><BR>String&nbsp;str3&nbsp;=&nbsp;str1;<BR>System.out.println(str3);&nbsp;//bcd<BR><BR>String&nbsp;str4&nbsp;=&nbsp;"bcd";<BR>System.out.println(str1&nbsp;==&nbsp;str4);&nbsp;//true&nbsp;<BR><BR>銆�銆�str3榪欎釜瀵硅薄鐨勫紩鐢ㄧ洿鎺ユ寚鍚憇tr1鎵�鎸囧悜鐨勫璞?娉ㄦ剰錛宻tr3騫舵病鏈夊垱寤烘柊瀵硅薄<BR>)銆傚綋str1鏀瑰畬鍏跺�煎悗錛屽啀鍒涘緩涓�涓猄tring鐨勫紩鐢╯tr4錛屽茍鎸囧悜鍥爏tr1淇敼鍊艱�屽垱寤?BR>鐨勬柊鐨勫璞°�傚彲浠ュ彂鐜幫紝榪欏洖str4涔熸病鏈夊垱寤烘柊鐨勫璞★紝浠庤�屽啀嬈″疄鐜版爤涓暟鎹殑鍏?BR>浜�?BR><BR>銆�銆�鎴戜滑鍐嶆帴鐫�鐪嬩互涓嬬殑浠ｇ爜銆?BR><BR>String&nbsp;str1&nbsp;=&nbsp;new&nbsp;String("abc");<BR>String&nbsp;str2&nbsp;=&nbsp;"abc";<BR>System.out.println(str1==str2);&nbsp;//false&nbsp;<BR><BR>銆�銆�鍒涘緩浜嗕袱涓紩鐢ㄣ�傚垱寤轟簡涓や釜瀵硅薄銆備袱涓紩鐢ㄥ垎鍒寚鍚戜笉鍚岀殑涓や釜瀵硅薄銆?BR><BR>String&nbsp;str1&nbsp;=&nbsp;"abc";<BR>String&nbsp;str2&nbsp;=&nbsp;new&nbsp;String("abc");<BR>System.out.println(str1==str2);&nbsp;//false&nbsp;<BR><BR>銆�銆�鍒涘緩浜嗕袱涓紩鐢ㄣ�傚垱寤轟簡涓や釜瀵硅薄銆備袱涓紩鐢ㄥ垎鍒寚鍚戜笉鍚岀殑涓や釜瀵硅薄銆?BR><BR>銆�銆�浠ヤ笂涓ゆ浠ｇ爜璇存槑錛屽彧瑕佹槸鐢╪ew()鏉ユ柊寤哄璞＄殑錛岄兘浼氬湪鍫嗕腑鍒涘緩錛岃�屼笖鍏跺瓧<BR>絎︿覆鏄崟鐙瓨鍊肩殑錛屽嵆浣夸笌鏍堜腑鐨勬暟鎹浉鍚岋紝涔熶笉浼氫笌鏍堜腑鐨勬暟鎹叡浜�?BR><BR>銆�銆�6.&nbsp;鏁版嵁綾誨瀷鍖呰綾葷殑鍊間笉鍙慨鏀廣�備笉浠呬粎鏄疭tring綾葷殑鍊間笉鍙慨鏀癸紝鎵�鏈夌殑鏁?BR>鎹被鍨嬪寘瑁呯被閮戒笉鑳芥洿鏀瑰叾鍐呴儴鐨勫�箋�?nbsp;7.&nbsp;緇撹涓庡緩璁細<BR><BR>銆�銆�(1)鎴戜滑鍦ㄤ嬌鐢ㄨ濡係tring&nbsp;str&nbsp;=&nbsp;"abc"錛涚殑鏍煎紡瀹氫箟綾繪椂錛屾�繪槸鎯沖綋鐒跺湴璁や負<BR>錛屾垜浠垱寤轟簡String綾葷殑瀵硅薄str銆傛媴蹇冮櫡闃憋紒瀵硅薄鍙兘騫舵病鏈夎鍒涘緩錛佸敮涓�鍙互鑲?BR>瀹氱殑鏄紝鎸囧悜String綾葷殑寮曠敤琚垱寤轟簡銆傝嚦浜庤繖涓紩鐢ㄥ埌搴曟槸鍚︽寚鍚戜簡涓�涓柊鐨勫璞?BR>錛屽繀欏繪牴鎹笂涓嬫枃鏉ヨ�冭檻錛岄櫎闈炰綘閫氳繃new()鏂規(guī)硶鏉ユ樉瑕佸湴鍒涘緩涓�涓柊鐨勫璞°�傚洜姝?BR>錛屾洿涓哄噯紜殑璇存硶鏄紝鎴戜滑鍒涘緩浜嗕竴涓寚鍚慡tring綾葷殑瀵硅薄鐨勫紩鐢ㄥ彉閲弒tr錛岃繖涓<BR>璞″紩鐢ㄥ彉閲忔寚鍚戜簡鏌愪釜鍊間負"abc"鐨凷tring綾匯�傛竻閱掑湴璁よ瘑鍒拌繖涓�鐐瑰鎺掗櫎紼嬪簭涓毦<BR>浠ュ彂鐜扮殑bug鏄緢鏈夊府鍔╃殑銆?BR><BR>銆�銆�(2)浣跨敤String&nbsp;str&nbsp;=&nbsp;"abc"錛涚殑鏂瑰紡錛屽彲浠ュ湪涓�瀹氱▼搴︿笂鎻愰珮紼嬪簭鐨勮繍琛岄�熷害<BR>錛屽洜涓篔VM浼氳嚜鍔ㄦ牴鎹爤涓暟鎹殑瀹為檯鎯呭喌鏉ュ喅瀹氭槸鍚︽湁蹇呰鍒涘緩鏂板璞°�傝�屽浜嶴tring<BR>&nbsp;str&nbsp;=&nbsp;new&nbsp;String("abc")錛涚殑浠ｇ爜錛屽垯涓�姒傚湪鍫嗕腑鍒涘緩鏂板璞★紝鑰屼笉綆″叾瀛楃涓插�?BR>鏄惁鐩哥瓑錛屾槸鍚︽湁蹇呰鍒涘緩鏂板璞★紝浠庤�屽姞閲嶄簡紼嬪簭鐨勮礋鎷呫�傝繖涓�濇兂搴旇鏄韓鍏冩ā<BR>寮忕殑鎬濇兂錛屼絾JDK鐨勫唴閮ㄥ湪榪欓噷瀹炵幇鏄惁搴旂敤浜嗚繖涓ā寮忥紝涓嶅緱鑰岀煡銆?BR><BR>銆�銆�(3)褰撴瘮杈冨寘瑁呯被閲岄潰鐨勬暟鍊兼槸鍚︾浉絳夋椂錛岀敤equals()鏂規(guī)硶錛涘綋嫻嬭瘯涓や釜鍖呰綾?BR>鐨勫紩鐢ㄦ槸鍚︽寚鍚戝悓涓�涓璞℃椂錛岀敤==銆?BR><BR>銆�銆�(4)鐢變簬String綾葷殑immutable鎬ц川錛屽綋String鍙橀噺闇�瑕佺粡甯稿彉鎹㈠叾鍊兼椂錛屽簲璇ヨ�?BR>铏戜嬌鐢⊿tringBuffer綾伙紝浠ユ彁楂樼▼搴忔晥鐜囥�?BR><img src ="http://www.tkk7.com/Gemscorpio/aggbug/13982.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/Gemscorpio/" target="_blank">MudFish</a> 2005-09-25 11:27 <a href="http://www.tkk7.com/Gemscorpio/articles/13982.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>褰誨簳鏄庣櫧Java鐨処O緋葷粺</title><link>http://www.tkk7.com/Gemscorpio/articles/13981.html</link><dc:creator>MudFish</dc:creator><author>MudFish</author><pubDate>Sun, 25 Sep 2005 03:24:00 GMT</pubDate><guid>http://www.tkk7.com/Gemscorpio/articles/13981.html</guid><wfw:comment>http://www.tkk7.com/Gemscorpio/comments/13981.html</wfw:comment><comments>http://www.tkk7.com/Gemscorpio/articles/13981.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/Gemscorpio/comments/commentRss/13981.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/Gemscorpio/services/trackbacks/13981.html</trackback:ping><description><![CDATA[Gem 杞?BR>涓�錛?nbsp;Input鍜孫utput<BR>1.&nbsp;stream浠ｈ〃鐨勬槸浠諱綍鏈夎兘鍔涗駭鍑烘暟鎹殑鏁版嵁婧愶紝鎴栨槸浠諱綍鏈夎兘鍔涙帴鏀舵暟鎹殑鎺ユ敹<BR>婧愩�傚湪Java鐨処O涓紝鎵�鏈夌殑stream錛堝寘鎷琁nput鍜孫ut&nbsp;stream錛夐兘鍖呮嫭涓ょ綾誨瀷錛?BR>1.1&nbsp;浠ュ瓧鑺備負瀵煎悜鐨剆tream<BR>浠ュ瓧鑺備負瀵煎悜鐨剆tream錛岃〃紺轟互瀛楄妭涓哄崟浣嶄粠stream涓鍙栨垨寰�stream涓啓鍏ヤ俊鎭�?BR>浠ュ瓧鑺備負瀵煎悜鐨剆tream鍖呮嫭涓嬮潰鍑犵綾誨瀷錛?BR>1)&nbsp;input銆�stream錛?BR>1)&nbsp;ByteArrayInputStream錛氭妸鍐呭瓨涓殑涓�涓紦鍐插尯浣滀負InputStream浣跨敤<BR>2)&nbsp;StringBufferInputStream錛氭妸涓�涓猄tring瀵硅薄浣滀負InputStream<BR>3)&nbsp;FileInputStream錛氭妸涓�涓枃浠朵綔涓篒nputStream錛屽疄鐜板鏂囦歡鐨勮鍙栨搷浣?BR>4)&nbsp;PipedInputStream錛氬疄鐜頒簡pipe鐨勬蹇碉紝涓昏鍦ㄧ嚎紼嬩腑浣跨敤<BR>5)&nbsp;SequenceInputStream錛氭妸澶氫釜InputStream鍚堝茍涓轟竴涓狪nputStream<BR>2)&nbsp;Out銆�stream<BR>1)&nbsp;ByteArrayOutputStream錛氭妸淇℃伅瀛樺叆鍐呭瓨涓殑涓�涓紦鍐插尯涓?BR>2)&nbsp;FileOutputStream錛氭妸淇℃伅瀛樺叆鏂囦歡涓?BR>3)&nbsp;PipedOutputStream錛氬疄鐜頒簡pipe鐨勬蹇碉紝涓昏鍦ㄧ嚎紼嬩腑浣跨敤<BR>4)&nbsp;SequenceOutputStream錛氭妸澶氫釜OutStream鍚堝茍涓轟竴涓狾utStream<BR>1.2&nbsp;浠nicode瀛楃涓哄鍚戠殑stream<BR>浠nicode瀛楃涓哄鍚戠殑stream錛岃〃紺轟互Unicode瀛楃涓哄崟浣嶄粠stream涓鍙栨垨寰�stream<BR>涓啓鍏ヤ俊鎭�備互Unicode瀛楃涓哄鍚戠殑stream鍖呮嫭涓嬮潰鍑犵綾誨瀷錛?BR>1)&nbsp;Input銆�Stream<BR>1)&nbsp;CharArrayReader錛氫笌ByteArrayInputStream瀵瑰簲<BR>2)&nbsp;StringReader錛氫笌StringBufferInputStream瀵瑰簲<BR>3)&nbsp;FileReader錛氫笌FileInputStream瀵瑰簲<BR>4)&nbsp;PipedReader錛氫笌PipedInputStream瀵瑰簲<BR>2)&nbsp;Out銆�Stream<BR>1)&nbsp;CharArrayWrite錛氫笌ByteArrayOutputStream瀵瑰簲<BR>2)&nbsp;StringWrite錛氭棤涓庝箣瀵瑰簲鐨勪互瀛楄妭涓哄鍚戠殑stream<BR>3)&nbsp;FileWrite錛氫笌FileOutputStream瀵瑰簲<BR>4)&nbsp;PipedWrite錛氫笌PipedOutputStream瀵瑰簲<BR>浠ュ瓧絎︿負瀵煎悜鐨剆tream鍩烘湰涓婂鏈変笌涔嬬浉瀵瑰簲鐨勪互瀛楄妭涓哄鍚戠殑stream銆備袱涓搴旂被<BR>瀹炵幇鐨勫姛鑳界浉鍚岋紝瀛楁槸鍦ㄦ搷浣滄椂鐨勫鍚戜笉鍚屻�傚CharArrayReader錛氬拰ByteArrayInputStream<BR>鐨勪綔鐢ㄩ兘鏄妸鍐呭瓨涓殑涓�涓紦鍐插尯浣滀負InputStream浣跨敤錛屾墍涓嶅悓鐨勬槸鍓嶈�呮瘡嬈′粠鍐?BR>瀛樹腑璇誨彇涓�涓瓧鑺傜殑淇℃伅錛岃�屽悗鑰呮瘡嬈′粠鍐呭瓨涓鍙栦竴涓瓧絎︺�?BR>1.3&nbsp;涓ょ涓嶇幇瀵煎悜鐨剆tream涔嬮棿鐨勮漿鎹?BR>InputStreamReader鍜孫utputStreamReader錛氭妸涓�涓互瀛楄妭涓哄鍚戠殑stream杞崲鎴愪竴<BR>涓互瀛楃涓哄鍚戠殑stream銆?BR>2.&nbsp;stream娣誨姞灞炴�?BR>2.1&nbsp;鈥滀負stream娣誨姞灞炴�р�濈殑浣滅敤<BR>榪愮敤涓婇潰浠嬬粛鐨凧ava涓搷浣淚O鐨凙PI錛屾垜浠氨鍙畬鎴愭垜浠兂瀹屾垚鐨勪換浣曟搷浣滀簡銆備絾閫?BR>榪嘑ilterInputStream鍜孎ilterOutStream鐨勫瓙綾伙紝鎴戜滑鍙互涓簊tream娣誨姞灞炴�с�備笅闈?BR>浠ヤ竴涓緥瀛愭潵璇存槑榪欑鍔熻兘鐨勪綔鐢ㄣ�?BR>濡傛灉鎴戜滑瑕佸線涓�涓枃浠朵腑鍐欏叆鏁版嵁錛屾垜浠彲浠ヨ繖鏍鋒搷浣滐細<BR>FileOutStream&nbsp;fs&nbsp;=&nbsp;new&nbsp;FileOutStream(鈥渢est.txt鈥?;<BR>鐒跺悗灝卞彲浠ラ�氳繃浜х敓鐨刦s瀵硅薄璋冪敤write()鍑芥暟鏉ュ線test.txt鏂囦歡涓啓鍏ユ暟鎹簡銆備絾<BR>鏄紝濡傛灉鎴戜滑鎯沖疄鐜扳�滃厛鎶婅鍐欏叆鏂囦歡鐨勬暟鎹厛緙撳瓨鍒板唴瀛樹腑錛屽啀鎶婄紦瀛樹腑鐨勬暟鎹啓<BR>鍏ユ枃浠朵腑鈥濈殑鍔熻兘鏃訛紝涓婇潰鐨凙PI灝辨病鏈変竴涓兘婊¤凍鎴戜滑鐨勯渶姹備簡銆備絾鏄�氳繃FilterInputStream<BR>鍜孎ilterOutStream鐨勫瓙綾伙紝涓篎ileOutStream娣誨姞鎴戜滑鎵�闇�瑕佺殑鍔熻兘銆?BR>2.2&nbsp;FilterInputStream鐨勫悇縐嶇被鍨?BR>2.2.1&nbsp;鐢ㄤ簬灝佽浠ュ瓧鑺備負瀵煎悜鐨処nputStream<BR>1)&nbsp;DataInputStream錛氫粠stream涓鍙栧熀鏈被鍨嬶紙int銆乧har絳夛級鏁版嵁銆?BR>2)&nbsp;BufferedInputStream錛氫嬌鐢ㄧ紦鍐插尯<BR>3)&nbsp;LineNumberInputStream錛氫細璁板綍input&nbsp;stream鍐呯殑琛屾暟錛岀劧鍚庡彲浠ヨ皟鐢╣etLineNumber<BR>()鍜宻etLineNumber(int)<BR>4)&nbsp;PushbackInputStream錛氬緢灝戠敤鍒幫紝涓�鑸敤浜庣紪璇戝櫒寮�鍙?BR>2.2.2&nbsp;鐢ㄤ簬灝佽浠ュ瓧絎︿負瀵煎悜鐨処nputStream<BR>1)&nbsp;娌℃湁涓嶥ataInputStream瀵瑰簲鐨勭被銆傞櫎闈炲湪瑕佷嬌鐢╮eadLine()鏃舵敼鐢˙ufferedReader<BR>錛屽惁鍒欎嬌鐢―ataInputStream<BR>2)&nbsp;BufferedReader錛氫笌BufferedInputStream瀵瑰簲<BR>3)&nbsp;LineNumberReader錛氫笌LineNumberInputStream瀵瑰簲<BR>4)&nbsp;PushBackReader錛氫笌PushbackInputStream瀵瑰簲<BR>2.3&nbsp;FilterOutStream鐨勫悇縐嶇被鍨?BR>2.2.3&nbsp;鐢ㄤ簬灝佽浠ュ瓧鑺備負瀵煎悜鐨凮utputStream<BR>1)&nbsp;DataIOutStream錛氬線stream涓緭鍑哄熀鏈被鍨嬶紙int銆乧har絳夛級鏁版嵁銆?BR>2)&nbsp;BufferedOutStream錛氫嬌鐢ㄧ紦鍐插尯<BR>3)&nbsp;PrintStream錛氫駭鐢熸牸寮忓寲杈撳嚭<BR>2.2.4&nbsp;鐢ㄤ簬灝佽浠ュ瓧絎︿負瀵煎悜鐨凮utputStream<BR>1)&nbsp;BufferedWrite錛氫笌瀵瑰簲<BR>2)&nbsp;PrintWrite錛氫笌瀵瑰簲<BR>3.&nbsp;RandomAccessFile<BR>1)&nbsp;鍙�氳繃RandomAccessFile瀵硅薄瀹屾垚瀵規(guī)枃浠剁殑璇誨啓鎿嶄綔<BR>2)&nbsp;鍦ㄤ駭鐢熶竴涓璞℃椂錛屽彲鎸囨槑瑕佹墦寮�鐨勬枃浠剁殑鎬ц川錛歳錛屽彧璇伙紱w錛屽彧鍐欙紱rw鍙鍐?BR><BR>3)&nbsp;鍙互鐩存帴璺沖埌鏂囦歡涓寚瀹氱殑浣嶇疆<BR>4.&nbsp;I/O搴旂敤鐨勪竴涓緥瀛?BR>import&nbsp;java.io.*;<BR>public&nbsp;class&nbsp;TestIO{<BR>public&nbsp;static&nbsp;void&nbsp;main(String[]&nbsp;args)<BR>throws&nbsp;IOException{<BR>//1.浠ヨ涓哄崟浣嶄粠涓�涓枃浠惰鍙栨暟鎹?BR>BufferedReader&nbsp;in&nbsp;=&nbsp;<BR>new&nbsp;BufferedReader(<BR>new&nbsp;FileReader("F:nepalonTestIO.java"));<BR>String&nbsp;s,&nbsp;s2&nbsp;=&nbsp;new&nbsp;String();<BR>while((s&nbsp;=&nbsp;in.readLine())&nbsp;!=&nbsp;null)<BR>s2&nbsp;+=&nbsp;s&nbsp;+&nbsp;"n";<BR>in.close();<BR><BR>//1b.&nbsp;鎺ユ敹閿洏鐨勮緭鍏?BR>BufferedReader&nbsp;stdin&nbsp;=&nbsp;<BR>new&nbsp;BufferedReader(<BR>new&nbsp;InputStreamReader(System.in));<BR>System.out.println("Enter&nbsp;a&nbsp;line:");<BR>System.out.println(stdin.readLine());<BR><BR>//2.&nbsp;浠庝竴涓猄tring瀵硅薄涓鍙栨暟鎹?BR>StringReader&nbsp;in2&nbsp;=&nbsp;new&nbsp;StringReader(s2);<BR>int&nbsp;c;<BR>while((c&nbsp;=&nbsp;in2.read())&nbsp;!=&nbsp;-1)<BR>System.out.println((char)c);<BR>in2.close();<BR><BR>//3.&nbsp;浠庡唴瀛樺彇鍑烘牸寮忓寲杈撳叆<BR>try{<BR>DataInputStream&nbsp;in3&nbsp;=&nbsp;<BR>new&nbsp;DataInputStream(<BR>new&nbsp;ByteArrayInputStream(s2.getBytes()));<BR>while(true)<BR>System.out.println((char)in3.readByte());&nbsp;<BR>}<BR>catch(EOFException&nbsp;e){<BR>System.out.println("End&nbsp;of&nbsp;stream");<BR>}<BR><BR>//4.&nbsp;杈撳嚭鍒版枃浠?BR>try{<BR>BufferedReader&nbsp;in4&nbsp;=<BR>new&nbsp;BufferedReader(<BR>new&nbsp;StringReader(s2));<BR>PrintWriter&nbsp;out1&nbsp;=<BR>new&nbsp;PrintWriter(<BR>new&nbsp;BufferedWriter(<BR>new&nbsp;FileWriter("F:nepalon&nbsp;TestIO.out")));<BR>int&nbsp;lineCount&nbsp;=&nbsp;1;<BR>while((s&nbsp;=&nbsp;in4.readLine())&nbsp;!=&nbsp;null)<BR>out1.println(lineCount++&nbsp;+&nbsp;"錛?&nbsp;+&nbsp;s);<BR>out1.close();<BR>in4.close();<BR>}<BR>catch(EOFException&nbsp;ex){<BR>System.out.println("End&nbsp;of&nbsp;stream");<BR>}<BR><BR>//5.&nbsp;鏁版嵁鐨勫瓨鍌ㄥ拰鎭㈠<BR>try{<BR>DataOutputStream&nbsp;out2&nbsp;=&nbsp;<BR>new&nbsp;DataOutputStream(<BR>new&nbsp;BufferedOutputStream(<BR>new&nbsp;FileOutputStream("F:nepalon&nbsp;Data.txt")));<BR>out2.writeDouble(3.1415926);<BR>out2.writeChars("nThas&nbsp;was&nbsp;pi:writeCharsn");<BR>out2.writeBytes("Thas&nbsp;was&nbsp;pi:writeByten");<BR>out2.close();<BR>DataInputStream&nbsp;in5&nbsp;=<BR>new&nbsp;DataInputStream(<BR>new&nbsp;BufferedInputStream(<BR>new&nbsp;FileInputStream("F:nepalon&nbsp;Data.txt")));<BR>BufferedReader&nbsp;in5br&nbsp;=<BR>new&nbsp;BufferedReader(<BR>new&nbsp;InputStreamReader(in5));<BR>System.out.println(in5.readDouble());<BR>System.out.println(in5br.readLine());<BR>System.out.println(in5br.readLine());<BR>}<BR>catch(EOFException&nbsp;e){<BR>System.out.println("End&nbsp;of&nbsp;stream");<BR>}<BR><BR>//6.&nbsp;閫氳繃RandomAccessFile鎿嶄綔鏂囦歡<BR>RandomAccessFile&nbsp;rf&nbsp;=<BR>new&nbsp;RandomAccessFile("F:nepalon&nbsp;rtest.dat",&nbsp;"rw");<BR>for(int&nbsp;i=0;&nbsp;i&lt;10;&nbsp;i++)<BR>rf.writeDouble(i*1.414);<BR>rf.close();<BR><BR>rf&nbsp;=&nbsp;new&nbsp;RandomAccessFile("F:nepalon&nbsp;rtest.dat",&nbsp;"r");<BR>for(int&nbsp;i=0;&nbsp;i&lt;10;&nbsp;i++)<BR>System.out.println("Value&nbsp;"&nbsp;+&nbsp;i&nbsp;+&nbsp;"錛?&nbsp;+&nbsp;rf.readDouble());<BR>rf.close();<BR><BR>rf&nbsp;=&nbsp;new&nbsp;RandomAccessFile("F:nepalon&nbsp;rtest.dat",&nbsp;"rw");<BR>rf.seek(5*8);<BR>rf.writeDouble(47.0001);<BR>rf.close();<BR><BR>rf&nbsp;=&nbsp;new&nbsp;RandomAccessFile("F:nepalon&nbsp;rtest.dat",&nbsp;"r");<BR>for(int&nbsp;i=0;&nbsp;i&lt;10;&nbsp;i++)<BR>System.out.println("Value&nbsp;"&nbsp;+&nbsp;i&nbsp;+&nbsp;"錛?&nbsp;+&nbsp;rf.readDouble());<BR>rf.close();<BR>}<BR>}<BR>鍏充簬浠ｇ爜鐨勮В閲婏紙浠ュ尯涓哄崟浣嶏級錛?BR>1鍖轟腑錛屽綋璇誨彇鏂囦歡鏃訛紝鍏堟妸鏂囦歡鍐呭璇誨埌緙撳瓨涓紝褰撹皟鐢╥n.readLine()鏃訛紝鍐嶄粠緙?BR>瀛樹腑浠ュ瓧絎︾殑鏂瑰紡璇誨彇鏁版嵁錛堜互涓嬬畝縐扳�滅紦瀛樺瓧鑺傝鍙栨柟寮忊�濓級銆?BR>1b鍖轟腑錛岀敱浜庢兂浠ョ紦瀛樺瓧鑺傝鍙栨柟寮忎粠鏍囧噯IO錛堥敭鐩橈級涓鍙栨暟鎹紝鎵�浠ヨ鍏堟妸鏍囧噯<BR>IO錛圫ystem.in錛夎漿鎹㈡垚瀛楃瀵煎悜鐨剆tream錛屽啀榪涜BufferedReader灝佽銆?BR>2鍖轟腑錛岃浠ュ瓧絎︾殑褰㈠紡浠庝竴涓猄tring瀵硅薄涓鍙栨暟鎹紝鎵�浠ヨ浜х敓涓�涓猄tringReader<BR>綾誨瀷鐨剆tream銆?BR>4鍖轟腑錛屽String瀵硅薄s2璇誨彇鏁版嵁鏃訛紝鍏堟妸瀵硅薄涓殑鏁版嵁瀛樺叆緙撳瓨涓紝鍐嶄粠緙撳啿涓繘<BR>琛岃鍙栵紱瀵筎estIO.out鏂囦歡榪涜鎿嶄綔鏃訛紝鍏堟妸鏍煎紡鍖栧悗鐨勪俊鎭緭鍑哄埌緙撳瓨涓紝鍐嶆妸緙?BR>瀛樹腑鐨勪俊鎭緭鍑哄埌鏂囦歡涓�?BR>5鍖轟腑錛屽Data.txt鏂囦歡榪涜杈撳嚭鏃訛紝鏄厛鎶婂熀鏈被鍨嬬殑鏁版嵁杈撳嚭灞嬬紦瀛樹腑錛屽啀鎶婄紦<BR>瀛樹腑鐨勬暟鎹緭鍑哄埌鏂囦歡涓紱瀵規(guī)枃浠惰繘琛岃鍙栨搷浣滄椂錛屽厛鎶婃枃浠朵腑鐨勬暟鎹鍙栧埌緙撳瓨涓?BR>錛屽啀浠庣紦瀛樹腑浠ュ熀鏈被鍨嬬殑褰㈠紡榪涜璇誨彇銆傛敞鎰廼n5.readDouble()榪欎竴琛屻�傚洜涓哄啓鍏?BR>絎竴涓獁riteDouble()錛屾墍浠ヤ負浜嗘紜樉紺恒�備篃瑕佷互鍩烘湰綾誨瀷鐨勫艦寮忚繘琛岃鍙栥�?BR>6鍖烘槸閫氳繃RandomAccessFile綾誨鏂囦歡榪涜鎿嶄綔銆?BR><img src ="http://www.tkk7.com/Gemscorpio/aggbug/13981.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/Gemscorpio/" target="_blank">MudFish</a> 2005-09-25 11:24 <a href="http://www.tkk7.com/Gemscorpio/articles/13981.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>Tomcat鐨勯厤緗?/title><link>http://www.tkk7.com/Gemscorpio/articles/11319.html</link><dc:creator>MudFish</dc:creator><author>MudFish</author><pubDate>Sat, 27 Aug 2005 07:50:00 GMT</pubDate><guid>http://www.tkk7.com/Gemscorpio/articles/11319.html</guid><wfw:comment>http://www.tkk7.com/Gemscorpio/comments/11319.html</wfw:comment><comments>http://www.tkk7.com/Gemscorpio/articles/11319.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/Gemscorpio/comments/commentRss/11319.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/Gemscorpio/services/trackbacks/11319.html</trackback:ping><description><![CDATA[<FONT size=2>濡備綍tomcat涓嬮厤緗甹sp銆乻ervlet鍜宐ean<BR>(榪欐槸鎴戦厤緗垚鍔熺殑錛岃繕鏈夎澶氬湴鏂逛笉鍚堢悊錛屾榪庡ぇ瀹舵寚鏁?<BR>絎竴姝ワ細</FONT><FONT color=#f70909><FONT size=2>涓嬭澆j2sdk鍜宼omcat錛?BR>鍒皊un瀹樻柟绔欑偣<FONT color=#000000>錛?/FONT></FONT><A ><FONT size=2>http://java.sun.com/j2se/1.5.0/download.jsp</FONT></A><FONT size=2><FONT color=#000000>錛変笅杞絡2sdk錛屾敞鎰忎笅杞界増鏈負Windows Offline Installation鐨凷DK錛屽悓鏃舵渶濂戒笅杞絁2SE&nbsp; Documentation錛?BR></FONT><FONT color=#ff0000>鐒跺悗鍒皌omcat瀹樻柟绔欑偣</FONT><FONT color=#000000>錛?/FONT></FONT><A ><FONT size=2>http://www.apache.org/dist/jakarta/tomcat-5/</FONT></A></FONT><FONT color=#000000><FONT size=2>錛変笅杞絫omcat錛堜笅杞芥渶鏂扮増鏈殑tomcat錛夛紱</FONT> <BR><FONT size=2>錛堣繖閲屾垜涓嬬殑鏄痡dk 1.5.0錛宼omcat 5.59錛?BR><BR>絎簩姝ワ細</FONT><FONT color=#ff0000 size=2>瀹夎鍜岄厤緗綘鐨刯2sdk鍜宼omcat錛?BR></FONT><FONT color=#000000><FONT size=2>鎵цj2sdk鍜宼omcat鐨勫畨瑁呯▼搴忥紝鐒跺悗涓�璺疦ext鍗沖彲銆?瀹夎tomcat鐨勬椂鍊欒鎻愮ず浣犺緭鍏dmin鐨勫瘑鐮侊紝璁板緱鎶婅嚜宸辮緭鐨勫瘑鐮佽涓嬫潵)1.瀹夎j2sdk浠ュ悗錛岄渶瑕侀厤緗竴涓嬬幆澧冨彉閲忥紝鍦ㄦ垜鐨勭數鑴?&gt;灞炴�?&gt;楂樼駭-&gt;鐜鍙橀噺-&gt;緋葷粺鍙橀噺涓坊鍔犱互涓嬬幆澧冨彉閲?BR></FONT><FONT size=2><FONT color=#ff0000>JAVA_HOME=H:\Java\jdk1.5.0 <BR>classpath=.;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar;錛?;涓�瀹氫笉鑳藉皯錛屽洜涓哄畠浠ｈ〃褰撳墠璺緞) <BR>path=%JAVA_HOME%\bin</FONT><BR>(榪欓噷鎴戠殑瀹夎鐩綍鏄疕:\Java\jdk1.5.0錛屾垜鍙槸鏍規(guī)嵁鑷繁鐨勫畨瑁呯洰褰曟潵璁查厤緗紝褰撶劧錛屼綘鍙互鏈変竴涓洿鍌葷摐鐨勫彇寰楀畨瑁呯洰褰曠殑鏂規(guī)硶錛岀洿鎺ヤ粠鎴戠殑鐢佃剳榪涘埌浣犵殑瀹夎鐩綍錛岀劧鍚庡鍒跺湴鍧�鏍忛噷鐨勫湴鍧�鍗沖彲^_^)<BR>鎺ョ潃錛屾垜浠潵嫻嬭瘯浣犵殑java寮�鍙戠幆澧冩槸鍚﹀凡緇忛厤濂斤紝浠ョ粡鍏哥殑HelloWorld寮�濮嬪惂錛?BR></FONT><FONT size=2><FONT color=#0000ff>public class HelloWorld {<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; public static void main(String [] args) {<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; System.out.println("HelloWorld!");<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<BR>}<BR></FONT><FONT color=#000000>灝嗕笂闈㈣繖孌電▼搴忓彟瀛樹負HelloWorld.java銆傝繘鍏md錛岀劧鍚巆d鍒癏elloWorld.java鎵�鍦ㄧ殑鐩綍錛岄敭鍏ュ涓嬪懡浠?FONT color=#ff0000>javac HelloWorld.java</FONT></FONT><FONT color=#000000>鎺ョ潃<FONT color=#ff0000>java HelloWorld</FONT></FONT><FONT color=#000000>姝ゆ椂浣犲簲璇ョ湅鍒拌緭鍑虹殑鏄疕elloWorld!錛岃鏄巎ava鐜閰嶇疆鎴愬姛^_^;<BR>
<P>2.瀹夎Tomcat鍚庯紝鍦ㄦ垜鐨勭數鑴?&gt;灞炴�?&gt;楂樼駭-&gt;鐜鍙橀噺-&gt;緋葷粺鍙橀噺涓坊鍔犱互涓嬬幆澧冨彉閲?BR>榪欓噷鎴戠殑瀹夎鐩綍鏄疕:\Tomcat 5.5錛屼互鎴戠殑涓轟緥璇?BR><FONT color=#ff0000>CATALINA_HOME=H:\Tomcat 5.5; <BR>CATALINA_BASE=H:\Tomcat 5.5; <BR><FONT color=#000000>鐒跺悗淇敼鐜鍙橀噺涓殑classpath錛屾妸tomat瀹夎鐩綍涓嬬殑common\lib涓嬬殑servlet.jar榪藉姞鍒癱lasspath涓幓<BR>浠ヤ笅鏄慨鏀瑰悗鐨刢lasspath錛?BR><FONT color=#ff0000>.;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar;%CATALINA_HOME%\common\lib\servlet-api.jar;%CATALINA_HOME%\common\lib\mssqlserver.jar;<BR><FONT color=#000000>鎺ョ潃鍙互鍚姩tomcat錛屽湪IE涓闂?/FONT><A href="http://localhost:8080/">http://localhost:8080</A></FONT><FONT color=#000000>錛屽鏋滅湅鍒皌omcat鐨勯偅鏀皬鐚瘽璇存槑瀹夎鎴愬姛浜嗐�?BR><BR>絎笁姝ワ細</FONT><FONT color=#ff0000>寤虹珛鑷繁鐨刯sp app鐩綍 <BR><FONT color=#000000>1.鍒癟omcat鐨勫畨瑁呯洰褰曠殑webapps鐩綍錛屽彲浠ョ湅鍒癛OOT錛宔xamples, tomcat-docs涔嬬被Tomcat鑷甫鐨勭殑鐩綍錛?<BR>2.鍦╳ebapps鐩綍涓嬫柊寤轟竴涓洰褰曪紝璧峰悕鍙玬yapp錛?nbsp; <BR>3.鍦╩yapp涓嬫柊寤轟竴涓祴璇曠殑jsp欏甸潰錛屾枃浠跺悕涓篿ndex.jsp錛屾枃浠跺唴瀹瑰涓嬶細 <BR></FONT><FONT color=#0000ff>&lt;</FONT><A href="mailto:%@page"><FONT color=#0000ff>%@page</FONT></A><FONT color=#0000ff> contentType="text/html;charset=gb2312" language="java"%&gt;<BR>&lt;html&gt;<BR>&lt;body&gt;<BR>&lt;center&gt;<BR>&lt;% <BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; out.println("HelloWorld!");<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; out.println("浣犲ソ!涓栫晫!");<BR>%&gt;<BR>&lt;/center&gt;<BR>&lt;/body&gt;<BR>&lt;/html&gt; <BR></FONT><FONT color=#000000>4.閲嶅惎Tomcat <BR>5.鎵撳紑嫻忚鍣紝杈撳叆</FONT><A href="http://localhost:8080/myapp/index.jsp">http://localhost:8080/myapp/index.jsp</A></FONT><FONT color=#000000> 鐪嬪埌<BR>HelloWorld! 浣犲ソ!涓栫晫!<BR>鐨勮瘽璇存槑灝辨垚鍔熶簡銆?BR><BR>絎洓姝ワ細</FONT><FONT color=#ff0000>寤虹珛鑷繁鐨凷ervlet錛?BR><FONT color=#000000>1.鍦╳ebapps鐩綍涓嬫柊寤轟竴涓洰褰曪紝璧峰悕鍙獺elloWorld錛?BR></P>
<P>2.鐢ㄤ綘鏈�鐔熸?zhèn)夌殑缂栬緫鍣ㄥQ堝緩璁嬌鐢ㄦ湁璇硶媯�鏌ョ殑java ide錛夋柊寤轟竴涓猻ervlet紼嬪簭錛屾枃浠跺悕涓篐elloWorld.java錛屾枃浠跺唴瀹瑰涓嬶細 <BR><FONT color=#0000ff>import javax.servlet.http.HttpServlet;<BR>import javax.servlet.http.HttpServletRequest;<BR>import javax.servlet.http.HttpServletResponse;<BR>import java.io.IOException;<BR>import java.io.PrintWriter;<BR>import javax.servlet.ServletException;</FONT></P><FONT color=#0000ff></FONT><FONT color=#0000ff>
<P><BR>public class HelloWorld extends HttpServlet {<BR>&nbsp;&nbsp;&nbsp; public void doGet(HttpServletRequest request,HttpServletResponse response)<BR>&nbsp;&nbsp; throws IOException, ServletException {<BR>&nbsp;&nbsp;&nbsp; response.setContentType("text/html");<BR>&nbsp;&nbsp;&nbsp; PrintWriter writer = response.getWriter();<BR>&nbsp;&nbsp;&nbsp; writer.println("Hello World!");<BR>&nbsp;&nbsp; }<BR>}</FONT>&nbsp;<BR></P>
<P>3&nbsp;.緙栬瘧 <BR>灝咹elloWorld.java緙栬瘧 <BR>鐒跺悗鍦ㄤ細浜х敓涓�涓紪璇戝悗鐨剆ervlet鏂囦歡錛欻elloWorld.class&nbsp;<BR>4 .灝嗙粨鏋凥elloWorld.class鍓垏鍒?CATALINA_HOME%\webapps\HelloWorld\WEB-INF\classes涓嬶紝濡傛灉WEB-INF\classes鐩綍涓嶅瓨鍦紝灝辨柊寤轟竴涓�?鐜板湪webapps\HelloWorld\WEB-INF\classes涓嬫湁HelloWorld.class鐨勬枃浠?(娉ㄦ剰錛氳娉ㄦ剰鏂囦歡澶瑰拰鏂囦歡鍚嶇殑澶у皬鍐欙紒)<BR>5&nbsp;.鍦╳ebapps\HelloWorld\WEB-INF涓嬫柊寤簑eb.xml鏂囦歡錛屾坊鍔爏ervlet鍜宻ervlet-mapping <BR>緙栬緫鍚庣殑web.xml濡備笅鎵�紺猴細<BR></P>
<P><FONT color=#ff0000>&lt;?xml version="1.0" encoding="ISO-8859-1"?&gt; </FONT></P>
<P><FONT color=#ff0000>&lt;web-app xmlns="</FONT><A ><FONT color=#ff0000>http://java.sun.com/xml/ns/j2ee</FONT></A><FONT color=#ff0000>" <BR>xmlns:xsi="</FONT><A ><FONT color=#ff0000>http://www.w3.org/2001/XMLSchema-instance</FONT></A><FONT color=#ff0000>" <BR>version="2.4" <BR>xsi:schemaLocation="</FONT><A ><FONT color=#ff0000>http://java.sun.com/xml/ns/j2ee</FONT></A><FONT color=#ff0000>&nbsp;&nbsp; <BR></FONT><A ><FONT color=#ff0000>http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd</FONT></A><FONT color=#ff0000>"&gt;</FONT></P>
<P><BR><FONT color=#ff0000>&lt;display-name&gt;HelloWorld&lt;/display-name&gt; <BR>&lt;description&gt; <BR>HelloWorld<BR>&lt;/description&gt; <BR>&lt;servlet&gt; <BR>&lt;servlet-name&gt;HelloWorld&lt;/servlet-name&gt; <BR>&lt;display-name&gt;HelloWorld&lt;/display-name&gt; <BR>&lt;description&gt;HelloWorld&lt;/description&gt; <BR>&lt;servlet-class&gt;HelloWorld&lt;/servlet-class&gt; <BR>&lt;/servlet&gt; <BR>&lt;servlet-mapping&gt; <BR>&lt;servlet-name&gt;HelloWorld&lt;/servlet-name&gt; <BR>&lt;url-pattern&gt;/Hello&lt;/url-pattern&gt; <BR>&lt;/servlet-mapping&gt; <BR>&lt;/web-app&gt; <BR><FONT color=#000000>榪欐璇濅腑鐨剆ervlet榪欎竴孌靛０鏄庝簡浣犺璋冪敤鐨凷ervlet錛岃�宻ervlet-mapping鍒欐槸灝嗗０鏄庣殑servlet鈥滄槧灝勨�濆埌鍦板潃/Hello涓?nbsp;</FONT><BR><FONT color=#000000>6 .濂戒簡錛屽惎鍔═omcat錛屽惎鍔ㄦ祻瑙堝櫒錛岃緭鍏?/FONT><A href="http://localhost:8080/HelloWorld/Hello">http://localhost:8080/HelloWorld/Hello</A></FONT><FONT color=#000000> 濡傛灉鐪嬪埌杈撳嚭Hello World! .灝辮鏄庣紪鍐欑殑servlet鎴愬姛浜嗐�?<BR>(娉ㄦ剰錛氫慨鏀逛簡web.xml浠ュ強鏂板姞浜哻lass錛岄兘瑕侀噸鍚疶omcat .)<BR>絎簲姝ワ細寤虹珛鑷繁鐨凚ean錛?<BR>1.鐢ㄤ綘鏈�鐔熸?zhèn)夌殑缂栬緫鍣ㄥQ堝緩璁嬌鐢ㄦ湁璇硶媯�鏌ョ殑java ide錛夋柊寤轟竴涓猨ava紼嬪簭錛屾枃浠跺悕涓篢estBean.java錛屾枃浠跺唴瀹瑰涓嬶細 <BR><FONT color=#0000ff>package test; <BR>public class TestBean{ <BR>private String name = null; <BR>public TestBean(String strName_p){ <BR>this.name=strName_p; <BR>}&nbsp; <BR>public void setName(String strName_p){ <BR>this.name=strName_p; <BR>} <BR>public String getName(){ <BR>return this.name; <BR>}&nbsp; <BR>} <BR></FONT>2 .緙栬瘧 <BR>灝員estBean.java鏀懼湪c:\test涓嬶紝浣跨敤濡備笅鍛戒護緙栬瘧錛?<BR>C:\Test&gt;javac TestBean.java <BR>鐒跺悗鍦╟:\Test涓嬩細浜х敓涓�涓紪璇戝悗鐨刡ean鏂囦歡錛歍estBean.class <BR>3 .灝員estBean.class鏂囦歡鍓垏鍒?%CATALINA_HOME%\webapps\myapp\WEB-INF\classes\test涓嬶紝 <BR>4 .鏂板緩涓�涓猅estBean.jsp鏂囦歡錛屾枃浠跺唴瀹逛負錛?<BR><FONT color=#0000ff>&lt;%@ page import="test.TestBean" %&gt;&nbsp; <BR>&lt;html&gt;&lt;body&gt;&lt;center&gt; <BR>&lt;% <BR>TestBean testBean=new TestBean("This is a test java bean."); <BR>%&gt; <BR>Java bean name is: &lt;%=testBean.getName()%&gt; <BR>&lt;/center&gt;&lt;/body&gt;&lt;/html&gt;&nbsp; <BR></FONT>5 .濂戒簡錛岄噸鍚疶omcat錛屽惎鍔ㄦ祻瑙堝櫒錛岃緭鍏?A href="http://localhost:8080/myapp/TestBean.jsp">http://localhost:8080/myapp/TestBean.jsp</A> 濡傛灉鐪嬪埌杈撳嚭Java bean name is: This is a test java bean.灝辮鏄庣紪鍐欑殑Bean鎴愬姛浜?BR>榪欐牱灝卞畬鎴愪簡鏁翠釜Tomcat涓嬬殑jsp銆乻ervlet鍜宩avabean鐨勯厤緗�傛帴涓嬫潵闇�瑕佸仛鐨勪簨鎯呭氨鏄鐪嬩功銆佸璇誨埆浜虹殑濂戒唬鐮侊紝鑷繁澶氬姩鎵嬪啓浠ｇ爜浠ュ寮鴻嚜宸卞湪榪欐柟闈㈠紑鍙戠殑鑳藉姏浜嗐�?/FONT></P></FONT></FONT></FONT></FONT></FONT></FONT></FONT></FONT><img src ="http://www.tkk7.com/Gemscorpio/aggbug/11319.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/Gemscorpio/" target="_blank">MudFish</a> 2005-08-27 15:50 <a href="http://www.tkk7.com/Gemscorpio/articles/11319.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss>                                                                                                                                                                                   <footer>
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