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>&#26085;&#38889;&#97;&#118;&#21320;&#22812;&#22312;&#32447;&#35266;&#30475;&#44;&#25104;&#20154;&#22269;&#20135;&#31934;&#21697;&#20813;&#36153;&#35270;&#39057;&#44;&#22269;&#20135;&#39640;&#28165;&#22312;&#32447;&#30475;</title><link>http://www.aygfsteel.com/lzqdiy/category/29540.html</link><description>Java鎴戦�夋嫨錛屾垜鍠滄銆?/description><language>zh-cn</language><lastBuildDate>Sat, 26 Apr 2008 23:29:18 GMT</lastBuildDate><pubDate>Sat, 26 Apr 2008 23:29:18 GMT</pubDate><ttl>60</ttl><item><title>娌堥槼鍏徃闈㈣瘯棰?/title><link>http://www.aygfsteel.com/lzqdiy/articles/181013.html</link><dc:creator>鎴戜負(fù)J鐙?/dc:creator><author>鎴戜負(fù)J鐙?/author><pubDate>Thu, 21 Feb 2008 02:53:00 GMT</pubDate><guid>http://www.aygfsteel.com/lzqdiy/articles/181013.html</guid><wfw:comment>http://www.aygfsteel.com/lzqdiy/comments/181013.html</wfw:comment><comments>http://www.aygfsteel.com/lzqdiy/articles/181013.html#Feedback</comments><slash:comments>3</slash:comments><wfw:commentRss>http://www.aygfsteel.com/lzqdiy/comments/commentRss/181013.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/lzqdiy/services/trackbacks/181013.html</trackback:ping><description><![CDATA[(1)Set鏄惁鍙互瀛樻斁null錛?br />
絳旓細(xì)鍙互銆?br />
(2)struts鏍囩涓殑&lt;logic:iterate&gt; 鏄惁鍙互閬嶅巻鏁扮粍錛?br />
絳旓細(xì)鍙互銆?br />
(3)hibernate涓璱d鐨勭敓鎴愭柟寮忥紵<br />
絳旓細(xì)MySQL錛孲QLServer閲囩敤identity錛沷racle閲囩敤sequence銆?br />
(4)濡備綍瀹炵幇Oracel鑷瀛楁錛?br />
絳旓細(xì)鐢ㄥ簭鍒楀拰瑙﹀彂鍣ㄥ疄鐜般�?br />
(5)Action鍒嗕負(fù)鍑犵被錛?br />
絳旓細(xì)ForwardAction,IncludeAction,DispatchAction,LookupAction,SwitchAction<br />
(6)Action鏄惁鏄嚎紼嬪畨鍏ㄧ殑錛?br />
絳旓細(xì)Action涓嶆槸綰跨▼瀹夊叏鐨勶紝鍥犱負(fù)鍦╯truts鐨勭敓鍛藉懆鏈熶腑錛屽彧浼?xì)湄?fù)姣忎釜Action綾誨垱寤轟竴涓疄渚嬶紝鎵�鏈夌殑瀹㈡埛璇鋒眰鍏變韓榪欎釜瀹炰緥銆備繚璇佺嚎紼嬪畨鍏ㄧ殑閲嶈鍘熷垯鏄湪Action綾諱腑浠呬粎浣跨敤灞�閮ㄥ彉閲忥紝璋ㄦ厧浣垮湴浣跨敤瀹炰緥鍙橀噺銆?br />
(7)String鍜孲tringBuffer鐨勫尯鍒紵<br />
絳旓細(xì)String綾繪槸final綾伙紝涓嶈兘琚戶(hù)鎵匡紝<span style="color: #ff0000">StringBuffer綾誨彲緇ф壙</span>錛汼tring綾繪彁渚涗簡(jiǎn)鏁板�間笉鍙敼鍙樼殑瀛楃涓詫紝StringBuffer綾繪彁渚涚殑瀛楃涓茶繘琛屼慨鏀廣�?br />
浠ヤ笂綰㈠瓧閮ㄥ垎鏈夎錛屾紜瓟妗堝涓?br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; JAVA騫沖彴鎻愪緵浜?jiǎn)涓や釜绫诲Q歋tring鍜孲tringBuffer錛屽畠浠彲浠ュ偍瀛樺拰鎿嶄綔瀛楃涓詫紝鍗沖寘鍚涓瓧絎︾殑瀛楃鏁版嵁銆傝繖涓猄tring綾繪彁渚涗簡(jiǎn)鏁板�間笉鍙敼鍙樼殑瀛楃涓層�傝�岃繖涓猄tringBuffer綾繪彁渚涚殑瀛楃涓茶繘琛屼慨鏀廣�傚綋浣犵煡閬撳瓧絎︽暟鎹鏀瑰彉鐨勬椂鍊欎綘灝卞彲浠ヤ嬌鐢⊿tringBuffer銆傚吀鍨嬪湴錛屼綘鍙互浣跨敤StringBuffers鏉ュ姩鎬佹瀯閫犲瓧絎︽暟鎹�?br />
(8)Java闈㈠悜瀵硅薄鐨勭壒寰侊紵<br />
絳旓細(xì)緇ф壙錛屽皝瑁咃紝澶氭�併�?br />
(9)Statement鍜孭reparedStatement鐨勫尯鍒紵<br />
絳旓細(xì)PreparedStatement瀵硅薄涓嶄粎鍖呭惈浜?jiǎn)SQL璇彞錛岃�屼笖澶у鏁版儏鍐典笅榪欎釜璇彞宸茬粡琚緙栬瘧榪囷紝鍥犺�屽綋鍏舵墽琛屾椂錛屽彧闇�DBMS榪愯SQL璇彞錛岃�屼笉蹇呭厛緙栬瘧銆傚綋浣犻渶瑕佹墽琛孲tatement瀵硅薄澶氭鐨勬椂鍊欙紝PreparedStatement瀵硅薄灝嗕細(xì)澶уぇ闄嶄綆榪愯鏃墮棿錛屽綋鐒朵篃鍔犲揩浜?jiǎn)璁块棶鏁版嵁搴撶殑閫熷害銆?
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