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>&#57;&#55;&#20037;&#20037;&#31934;&#21697;&#20154;&#20154;&#28577;&#20154;&#20154;&#29245;&#44;&#27431;&#32654;&#26085;&#38889;&#19968;&#21306;&#33258;&#25293;&#44;&#22312;&#32447;&#35270;&#39057;&#22269;&#20135;&#19977;&#32423;</title><link>http://www.aygfsteel.com/j-girl/archive/2009/04/02/263530.html</link><dc:creator>瑗胯タ閲?/dc:creator><author>瑗胯タ閲?/author><pubDate>Thu, 02 Apr 2009 06:01:00 GMT</pubDate><guid>http://www.aygfsteel.com/j-girl/archive/2009/04/02/263530.html</guid><wfw:comment>http://www.aygfsteel.com/j-girl/comments/263530.html</wfw:comment><comments>http://www.aygfsteel.com/j-girl/archive/2009/04/02/263530.html#Feedback</comments><slash:comments>3</slash:comments><wfw:commentRss>http://www.aygfsteel.com/j-girl/comments/commentRss/263530.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/j-girl/services/trackbacks/263530.html</trackback:ping><description><![CDATA[&nbsp;
<p style="margin: 0cm 0cm 0pt"><span style="font-size: 10pt">棣栧厛錛屽綋</span><span style="font-size: 10pt; font-family: Calibri">DAO</span><span style="font-size: 10pt">灞?/span><span style="font-size: 10pt; font-family: Calibri">Catch</span><span style="font-size: 10pt">鍒?/span><span style="font-size: 10pt; font-family: Calibri">SQL</span><span style="font-size: 10pt">寮傚父錛?/span><span style="font-size: 10pt">搴旇璁╃浉搴旂殑浜嬪姟鍥炴粴錛屽茍緇х畫鎶涘嚭璇ュ紓甯?/span></p>
<p style="margin: 0cm 0cm 0pt 27pt"><span style="font-size: 10pt; font-family: Calibri">conn.rollback();</span></p>
<p style="margin: 0cm 0cm 0pt 27pt"><span style="font-size: 10pt; font-family: Calibri">throw e;</span></p>
<p style="margin: 0cm 0cm 0pt 27pt"><span style="font-size: 10pt">鍦ㄦ柟娉曞０鏄庢椂</span><span style="font-size: 10pt; font-family: Calibri">throws</span><span style="font-size: 10pt">榪欎釜寮傚父錛?/span></p>
<p style="margin: 0cm 0cm 0pt"><span style="font-size: 10pt">絎簩錛屽湪</span><span style="font-size: 10pt; font-family: Calibri">Service</span><span style="font-size: 10pt">灞傝皟鐢ㄥ埌</span><span style="font-size: 10pt; font-family: Calibri">Dao</span><span style="font-size: 10pt">灞傛椂錛?/span><span style="font-size: 10pt; font-family: Calibri">try catch</span><span style="font-size: 10pt">榪欎釜寮傚父錛屽湪</span><span style="font-size: 10pt; font-family: Calibri">catch</span><span style="font-size: 10pt">浣忎腑鎶婂畠澶勭悊涓?/span><span style="font-size: 10pt; font-family: Calibri">Runtime</span><span style="font-size: 10pt">Exception</span><span style="font-size: 10pt">寮傚父錛?/span></p>
<p style="margin: 0cm 0cm 0pt 27pt"><span style="font-size: 10pt">澶勭悊榪囩▼鏄細(xì)鑷畾涔変竴涓戶鎵胯嚜</span><span style="font-size: 10pt; font-family: Calibri">Runtime</span><span style="font-size: 10pt">Exception</span><span style="font-size: 10pt">鐨勫紓甯哥被AppRuntimeException錛?/span></p>
<p style="margin: 0cm 0cm 0pt 27pt"><span style="font-size: 10pt; font-family: Calibri">catch(){</span></p>
<p style="margin: 0cm 0cm 0pt 54pt"><span style="font-size: 10pt; font-family: Calibri">new&nbsp;</span><span style="font-size: 10pt">AppRuntimeException();</span></p>
<p style="margin: 0cm 0cm 0pt 27pt"><span style="font-size: 10pt; font-family: Calibri">}</span></p>
<p style="margin: 0cm 0cm 0pt"><span style="font-size: 10pt">絎笁錛屽湪</span><span style="font-size: 10pt; font-family: Calibri">Servlet</span><span style="font-size: 10pt">涓嬌鐢ㄩ厤緗枃浠?/span><span style="font-size: 10pt; font-family: Calibri">web.xml</span><span style="font-size: 10pt">娉ㄥ唽榪欎釜</span><span style="font-size: 10pt; font-family: Calibri">Exception</span><span style="font-size: 10pt">錛屾垨鑰呮敞鍐屼負(fù)</span><span style="font-size: 10pt; font-family: Calibri">RuntimeException</span><span style="font-size: 10pt">錛岃皟鐢?/span><span style="font-size: 10pt; font-family: Calibri">Service</span><span style="font-size: 10pt">鏃訛紝濡傛灉鍙戠敓榪欎釜寮傚父錛屽垯浼?xì)锜╄浆鍒扮浉鍏崇殑鍙嬪ソ鐨勯潰鍚戠敤鎴风殑閿欒椤甸潰锛?/span></p>
<p style="margin: 0cm 0cm 0pt 27pt"><span style="font-size: 10pt">娉ㄦ剰錛氬鏋滈〉闈㈡湭杞悜錛屽垯鍙兘鏄弽灝勮繃紼嬩腑鎶涘嚭鐨勫叾浠栧紓甯告埅鑾蜂簡鎴戜滑鑷畾涔夌殑榪欎釜</span><span style="font-size: 10pt; font-family: Calibri">RuntimeException</span><span style="font-size: 10pt">錛屾垜浠彲浠ュ湪榪欎釜寮傚父涓仛鍑哄鐞嗭紝璁╁畠杞崲涓烘垜浠嚜瀹氫箟鐨?/span><span style="font-size: 10pt; font-family: Calibri">RuntimeException</span><span style="font-size: 10pt">錛?/span></p>
<p style="margin: 0cm 0cm 0pt"><span style="font-size: 10pt">絎洓錛屼互涓婃垜浠彧鏄畝鍗曠殑澶勭悊浜嗗紓甯革紝涓�鑸甯哥殑涓庝笟鍔＄浉鍏崇殑寮傚父錛?/span></p>
<img src ="http://www.aygfsteel.com/j-girl/aggbug/263530.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/j-girl/" target="_blank">瑗胯タ閲?/a> 2009-04-02 14:01 <a href="http://www.aygfsteel.com/j-girl/archive/2009/04/02/263530.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>LocalThread鎬濊�?/title><link>http://www.aygfsteel.com/j-girl/archive/2009/04/01/263376.html</link><dc:creator>瑗胯タ閲?/dc:creator><author>瑗胯タ閲?/author><pubDate>Wed, 01 Apr 2009 07:30:00 GMT</pubDate><guid>http://www.aygfsteel.com/j-girl/archive/2009/04/01/263376.html</guid><wfw:comment>http://www.aygfsteel.com/j-girl/comments/263376.html</wfw:comment><comments>http://www.aygfsteel.com/j-girl/archive/2009/04/01/263376.html#Feedback</comments><slash:comments>4</slash:comments><wfw:commentRss>http://www.aygfsteel.com/j-girl/comments/commentRss/263376.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/j-girl/services/trackbacks/263376.html</trackback:ping><description><![CDATA[&nbsp;
<p style="margin: 0cm 0cm 0pt 1.45pt"><span style="font-size: 10pt"><span style="font-family: 瀹嬩綋">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-size: 18pt"><span style="font-size: 14pt"><span style="font-family: 瀹嬩綋">涓轟簡瑙ｅ喅涓�涓簨鍔＄殑澶氫釜鏁版嵁妯″瀷浣跨敤澶氫釜<span lang="EN-US">Connection鐨勬儏鍐碉紝棣栧厛鎯沖埌鐨勬槸鍦ㄦ墽琛屾瘡涓師瀛愮駭鏁版嵁妯″瀷鐨勬搷浣滅殑鏃跺�欑洿鎺ュ湪鏂規(guī)硶鐨勫弬鏁頒腑浼犺繘鏉ヤ竴涓?span lang="EN-US">Connection錛?/span></span></span><span style="font-family: 瀹嬩綋"><span style="font-family: 瀹嬩綋">涓嬩竴涓搷浣滀篃鎶婅繖涓悓涓�涓?span lang="EN-US">Connection浼犺繘鏉ワ紝浣嗘槸榪欐牱甯︽潵鐨勯棶棰樻湁涓や釜錛屼竴鏄紝璁捐闂錛岄拡瀵規(guī)暟鎹簱鐨勬搷浣滐激錛★集鐨勬柟娉曚腑鐨勫弬鏁?span style="font-family: 瀹嬩綋">涓�鑸兘搴旇鏄拡瀵規(guī)暟鎹簱鏌ヨ鐨勬煡璇㈡潯浠訛紝鎶?span lang="EN-US">Connection鏀懼湪榪欓噷浣滀負(fù)鍙傛暟鏄劇劧涓嶅悎閫傦紱絎簩錛?span lang="EN-US">Connection浣滀負(fù)澶氫釜鏁版嵁妯″瀷鎿嶄綔鐨勫叡浜紝鍙湪鏈�鍚庝竴涓搷浣?span style="font-family: 瀹嬩綋">涓墠琚叧闂紝榪欏浜庡鏋滃彧鏈夊崟涓搷浣滅殑浜嬪姟鎵ц鏃訛紝<span lang="EN-US">Connection灝嗕笉浼?xì)琚叧闂�?/span></span></span></span></span></span></span></span><span style="font-family: 瀹嬩綋">&nbsp;</span></span></span></span></span><span style="font-family: 瀹嬩綋"><span style="font-size: 14pt"><span style="font-size: 18pt"><span style="font-size: 10pt"><span style="font-size: 18pt">&nbsp;&nbsp;&nbsp;<br />
&nbsp;&nbsp;&nbsp; <br />
<span style="font-size: 14pt"><span style="font-family: 瀹嬩綋">&nbsp;&nbsp;&nbsp; 涓轟簡瑙ｅ喅榪欎簺闂錛岄渶瑕佹湁涓�涓笓闂ㄧ敓浜?span lang="EN-US">Connection鐨勭被錛屼緵<span lang="EN-US">DAO灞傚悇鏂規(guī)硶璋冪敤錛屼絾鏄嚑涓柟娉曞鏋滄槸鍚屼竴浜嬪姟鏃訛紝浠栦滑鎷垮埌鐨?span lang="EN-US">Connection搴旇鏄悓涓�涓紱<span lang="EN-US"><o:p></o:p></span></span></span></span></span></span></span></span></span></span></span><span style="font-family: 瀹嬩綋"><span style="font-size: 14pt"><span style="font-size: 18pt"><span style="font-size: 10pt"><span style="font-size: 18pt">&nbsp;&nbsp;&nbsp;&nbsp;<br />
&nbsp;&nbsp;&nbsp;<span style="font-size: 14pt">鐢辨錛岀敓浜?span lang="EN-US">Connection</span>鐨勭被錛屾湁涓や釜鏂規(guī)硶錛屼竴鏄敓浜?span lang="EN-US">Connecton</span>錛屾斁鍒頒竴涓鍣ㄤ腑錛屽嵆<span lang="EN-US">set</span>鏂規(guī)硶錛屼簩鏄緱鍒?span lang="EN-US">Conneciton</span>錛屽嵆<span lang="EN-US">get</span>鏂規(guī)硶錛?/span></span></span></span></span></span></p>
<p style="margin: 0cm 0cm 0pt 1.45pt"><span style="font-family: 瀹嬩綋"><span style="font-size: 14pt"><span style="font-size: 18pt"><span style="font-size: 18pt"><span style="font-size: 14pt"><span style="font-size: 14pt"><span lang="EN-US" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;<span style="font-size: 14pt">&nbsp;&nbsp;</span></span><span style="font-size: 10pt"><span style="font-size: 14pt">褰撳悓涓�浜嬪姟鐨勫涓柟娉曡皟鐢ㄦ椂錛屾嬁鍒板悓涓�涓鍣ㄤ腑鐨?span lang="EN-US">Connection</span>鍗沖彲淇濊瘉浠栦滑鎷垮埌鐨勬槸鍚屼竴涓?span lang="EN-US">Connection</span>瀵硅薄錛?span lang="EN-US"><o:p></o:p></span></span></span></span></span></span></span></span></span></p>
<p style="margin: 0cm 0cm 0pt 1.45pt"><span style="font-family: 瀹嬩綋"><span style="font-size: 14pt"><span style="font-size: 18pt"><span style="font-size: 18pt"><span style="font-size: 14pt"><span style="font-size: 14pt"><span style="font-size: 14pt"><span lang="EN-US" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;<span style="font-size: 14pt">&nbsp; </span></span><span style="font-size: 10pt"><span style="font-size: 14pt">涓轟簡淇濊瘉鎷垮埌鐨勬槸鍚屼竴涓鍣紝浣跨敤綾葷駭鍒殑鍙橀噺錛?span lang="EN-US">static Hashtable;<o:p></o:p></span></span></span></span></span></span></span></span></span></span></p>
<p style="margin: 0cm 0cm 0pt 1.45pt"><span style="font-family: 瀹嬩綋"><span style="font-size: 14pt"><span style="font-size: 18pt"><span style="font-size: 18pt"><span style="font-size: 14pt"><span style="font-size: 14pt"><span style="font-size: 14pt"><span style="font-size: 14pt"><span lang="EN-US" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span style="font-size: 14pt"><span style="font-family: 瀹嬩綋"><span lang="EN-US">閲囧彇<span lang="EN-US">static綾誨彉閲忕殑鏂瑰紡錛岃В鍐充簡浠ヤ笂寮曡搗鐨勮璁￠棶棰橈紵<span lang="EN-US"><o:p></o:p></span></span></span></span></span></span></span></span></span></span></span></span></span></span><span style="font-family: 瀹嬩綋"><span style="font-size: 14pt"><span style="font-size: 18pt"><span style="font-size: 18pt"><span style="font-size: 14pt"><span style="font-size: 14pt"><span style="font-size: 14pt"><span style="font-size: 14pt"><span lang="EN-US" style="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;<br />
</span><span style="font-size: 10pt"><span style="font-size: 14pt"><span style="font-family: 瀹嬩綋">&nbsp;&nbsp;&nbsp; <br />
&nbsp;&nbsp;&nbsp; 鍥犱負(fù)<span lang="EN-US">static鐨勬柟娉曟槸浣嶄簬鏂規(guī)硶鍖轟腑鐨勶紝澶氫釜綰跨▼鍏變韓錛屾墍浠ュ張寮曞彂浜嗙嚎紼嬩笉瀹夊叏鐨勯棶棰橈紱<span lang="EN-US"><o:p></o:p></span></span></span></span></span></span></span></span></span></span></span></span></span><span style="font-family: 瀹嬩綋"><span style="font-size: 14pt"><span style="font-size: 18pt"><span style="font-size: 18pt"><span style="font-size: 14pt"><span style="font-size: 14pt"><span style="font-size: 14pt"><span style="font-size: 14pt"><span lang="EN-US" style="font-size: 10pt; font-family: 瀹嬩綋; mso-bidi-font-family: 瀹嬩綋; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&nbsp;&nbsp;&nbsp;&nbsp;<br />
</span><span style="font-size: 10pt; font-family: 瀹嬩綋; mso-bidi-font-family: 瀹嬩綋; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"><span style="font-size: 14pt"><span style="font-family: 瀹嬩綋"><span style="font-family: 瀹嬩綋; mso-bidi-font-family: 瀹嬩綋; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">&nbsp;&nbsp;&nbsp; <br />
&nbsp;&nbsp;&nbsp; 鎵�浠ヤ嬌鐢?span lang="EN-US">API涓殑<span lang="EN-US">ThreadLocal綾誨瀷鐨勫彉閲忥紝浣垮緱澶氫釜綰跨▼鍚勮嚜鎷ユ湁鑷繁鐨勪竴涓鍣紝浠庤�岃В鍐充簡綰跨▼涓嶅畨鍏ㄧ殑闂銆?/span></span></span></span> </span></span></span></span></span></span></span></span></span></span></p>
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