锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲男人的天堂一区二区,亚洲精品无码不卡在线播HE ,亚洲1234区乱码http://www.tkk7.com/zhqh/category/33756.htmlmyjavazh-cnThu, 29 Oct 2009 19:26:42 GMTThu, 29 Oct 2009 19:26:42 GMT60闈㈠悜瀵硅薄涔嬭璇?/title><link>http://www.tkk7.com/zhqh/articles/300126.html</link><dc:creator>zhqh</dc:creator><author>zhqh</author><pubDate>Thu, 29 Oct 2009 00:49:00 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鏈夋椂浼氭湁寰堝瀵硅薄錛屽叾鎻愪緵鏈嶅姟鏃剁浉鍚岀殑錛屼絾鏄叾鍏蜂綋瀹炵幇鐨勫唴閮ㄧ粏鑺備笉鍚岋紝濡?<br /> 鍩轟簬class RemoteOrderService, class LocalOrderService鎵鐢熸垚鐨勫璞★紝鑰屼笖鏄緢甯歌鐨勶紝涓斿叾渚濊禆鐨勬暟鎹俊鎭椂涓嶅悓鐨勶紝榪欏湪鐢熸椿涓緢瀛樺湪鐨勫悎鐞嗘с傚<br /> RunnerA {<br />     run(...){<br />         浣跨敤鎷栭瀷璺?br />     }<br /> }<br /> RunnerB {<br />     run(...){<br />         浣跨敤鑷杞﹁窇<br />     }<br /> }<br /> 鐒惰岋紝鎴戜滑鏃犺鍒涘緩RunnerA榪樻槸RunnerB鐨勫璞★紝鎴戜滑閮戒笉鍏沖績鍏跺疄鐜扮粏鑺傦紝涔熷氨鏄垜浠牴鏈笉鍏沖績鍐呴儴鏁版嵁鐨勪緷璧栫粏鑺傦紝鎴戜滑鍙叧蹇冨叾涓烘垜浠彁渚涚殑鏈嶅姟錛屽畠鑳戒嬌鎴戜粠涓涓湴鏂瑰埌杈懼彟涓涓湴鏂廣傚洜鑰岋紝鍏舵暟鎹鎴戜滑鑰岃█鏄忔槑鐨勩傛垜鏍規湰涓嶆兂鐭ラ亾錛屼綘鏄嬌鐢ㄤ粈涔堟暟鎹紝鎬庝箞run鐨勩傚洜鑰岃繖縐嶅熀浜庢湇鍔℃彁渚涚殑鏂瑰紡錛屼嬌寰楁垜浠嬌鐢ㄤ簡涓涓彧鍖呭惈鎵鎻愪緵鏈嶅姟鐨勭被鍨婻unner銆傚茍涓斿湪鎴戜滑鐪嬫潵錛屽畠闅愯棌浜嗘彁渚涚殑鏈嶅姟鐨勫疄鐜扮粏鑺傦紝榪欏氨鏄帴鍙c?br /> interface Runner{<br />     run(..);<br /> }<br /> 鑰屽鎬佺殑鎬ц川錛岃繖鏃跺彂鎸ヤ簡寰堝ソ鐨勪綔鐢ㄣ傚艦鎴愪簡涓涓鐗規畩鐨勪緷璧栧叧緋伙紝姝ゆ椂錛宑lient涓嶳unner鐨勪緷璧栧叧緋昏繙榪滃己浜嶳unner涓庡叾瀹炵幇綾葷殑渚濊禆鍏崇郴銆傝繖涔熷氨鏄潰鍚戝璞″嚑澶у師鍒欎箣涓鐨凞IP浜嗐?br /> 鍥犳錛岄潰鍚戝璞$郴緇熸湰璐ㄦ槸浠ユ帴鍙d負鏍稿績鐨勭郴緇燂紝姣忎釜鎺ュ彛灝變唬鏇夸竴涓猄erviceProvider, 鐒跺悗錛屽彂閫佹秷鎭姹傛瀯鎴愪簡涓涓崗浣滅郴緇熺綉銆?br /> 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library絳夌瓑銆傝繖浜涘氨鏄笉鎻愪緵鏈嶅姟鐨勫璞°傝屼笖榪欎簺淇℃伅鍩烘湰閮戒細琚寔涔呭寲榪汥B鎴栧叾浠栧湴鏂癸紝鏁e彂鐫鏌愪簺DB鐨勫懗閬擄紝鍥犺岃繖浜涘璞′竴鏃﹁鍐犱互DB鍛抽亾鍚庯紝澶у鏁頒漢鐨勫垵琛峰彂鐢熶簡寰鐨勫彉鍖栵紝浠栦滑鎶婅璁$殑鐒︾偣杞悜浜咲B錛岃岃繙榪滆劚紱諱簡浠栧師鏈兂鍋氱殑鍩轟簬闈㈠悜瀵硅薄鐨勮璁★紝涔呰屼箙涔嬶紝寰堝浜轟範鎯簡鍩轟簬DB鐨勮璁★紝涓涓郴緇熶竴涓婃潵灝卞紑濮嬪緩绔嬭〃銆傛妸鎵浠ヤ笟鍔¢昏緫瀵勬墭鍦―B韜笂銆傛墍浠ワ紝DB璐d換涔嬪ぇ鍙兂鑰岀煡銆傚洜涓洪潰鍚戝璞¤璁′笌涔嬬浉姣旀槸浣曠瓑涔嬮毦銆傝繖鏃跺欙紝鎵鏈夌殑涓氬姟閫昏緫閮戒緷璧栦簬DB錛屾暣涓笟鍔$郴緇熻璁′弗閲嶄晶鍚慏B錛屼竴浜涗互琛ㄤ負鏍稿績銆備粠涓涓〃鑳界湅鍑烘墍鏈変笟鍔★紝鍥犱負浜轟滑澶範鎯簬鍏蟲敞淇℃伅浜嗭紝鑰屼笖DB鏄熀浜庝簩緇磋〃鐨勶紝浠庡皬瀛﹀氨瀛﹁繃錛屾瀬鍏跺鏄擄紝綆$悊灞傜殑瀹朵紮浠緢瀹規槗鏄庣櫧錛岃繖鏃剁鐞嗗眰涔熷弬涓庝簡欏圭洰璁ㄨ錛屽緢濂姐傚鐫閭d簺琛紝鎸囩潃鐐圭潃銆傝繖灝辨槸鎶鏈?br /> <img src ="http://www.tkk7.com/zhqh/aggbug/300126.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/zhqh/" target="_blank">zhqh</a> 2009-10-29 08:49 <a href="http://www.tkk7.com/zhqh/articles/300126.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>璐鐨勯鍩熸ā鍨?/title><link>http://www.tkk7.com/zhqh/articles/293205.html</link><dc:creator>zhqh</dc:creator><author>zhqh</author><pubDate>Sun, 30 Aug 2009 09:41:00 GMT</pubDate><guid>http://www.tkk7.com/zhqh/articles/293205.html</guid><wfw:comment>http://www.tkk7.com/zhqh/comments/293205.html</wfw:comment><comments>http://www.tkk7.com/zhqh/articles/293205.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/zhqh/comments/commentRss/293205.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/zhqh/services/trackbacks/293205.html</trackback:ping><description><![CDATA[<p>杞澆浜?a href="http://www.tkk7.com/wadise/archive/2005/12/16/24209.html">http://www.tkk7.com/wadise/archive/2005/12/16/24209.html</a><br /> 鍦∕artin Fowler鏂囩珷http://www.martinfowler.com/bliki/AnemicDomainModel.html涓寚鍑虹幇鍦ㄥ嚭鐜拌秺鏉ヨ秺澶氱殑璐棰嗗煙妯″瀷(anemia domain model)銆傞偅涔堣傳琛棰嗗煙妯″瀷鐨勬蹇墊槸浠涔堝憿錛熻侀┈鎸囧嚭錛?/p> <p>There are objects, many named after the nouns in the domain space, and these objects are connected with the rich relationships and structure that true domain models have. The catch comes when you look at the behavior, and you realize that there is very little behavior on these objects. Indeed often these models come with design rules that say that you are not to put any domain logic in the the domain objects. Instead there are a set of service objects which capture all the domain logic. These services live on top of the domain model and use the domain model for data.</p> <p>涔熷氨鏄鍦ㄩ鍩熸ā鍨嬩腑錛屾湰韜彧澶勭悊寰堝皯鐨勮涓洪昏緫錛屽ぇ澶氭暟閮芥槸澶勫湪妯″瀷涓婂眰鐨勪竴緋誨垪鐨凷ervice綾繪潵璐熻矗鎹曡幏澶勭悊榪欎簺棰嗗煙閫昏緫琛屼負銆傝繖榪濊儗浜哋O鎬濇兂錛圤O璁や負搴旇鎶婃暟鎹拰琛屼負鍚堝湪涓璧鳳級銆?/p> <p>Eric Evans鍦ㄤ粬鐨凞omain Driven Design涓榪囷細</p> <p>Application Layer [his name for Service Layer]: Defines the jobs the software is supposed to do and directs the expressive domain objects to work out problems. The tasks this layer is responsible for are meaningful to the business or necessary for interaction with the application layers of other systems. This layer is kept thin. It does not contain business rules or knowledge, but only coordinates tasks and delegates work to collaborations of domain objects in the next layer down. It does not have state reflecting the business situation, but it can have state that reflects the progress of a task for the user or the program.<br /> Domain Layer (or Model Layer): Responsible for representing concepts of the business, information about the business situation, and business rules. State that reflects the business situation is controlled and used here, even though the technical details of storing it are delegated to the infrastructure. This layer is the heart of business software.</p> <p> </p> <p>鎹鍦═houghtwork鍏徃閲岄潰閲囩敤鐨勬妧鏈槸Hibernate+Spring+webwork錛屽叧浜巃nemia domain model鏈変笉灝戝憳宸ュ湪鍏徃鍐呴儴閭歡涓彂闂侀┈搴旇浠涔堟紜嬌鐢ㄣ備絾鏄侀┈榪樻病鏈夌粰鍑虹‘鍒囩瓟妗堬紝鍙斁鍏ODOList鍘匯?br /> 鎴戜釜浜鴻鐨凞omail綾諱腑涓嶅簲璇ュ惈鏈夎繃澶氱殑涓庝箣鏃犲叧鐨勮涓猴紝涓嶄絾榪濆弽浜嗗崟涓鑱岃矗鐨勫師鍒欙紝榪樹嬌寰楁暣涓郴緇熶笉澶熺ǔ瀹氥備緥濡俇ser涓湁Roles錛岄偅涔坅ddRole,removeRole鑷劧搴斿湪Domain綾籙ser涓啓錛岃嚦浜巖emoveUser,loadUser絳夊簲璇ュ皝瑁呮垚Dao鍘誨鐞嗐?/p> <p>寮曠敤robbin鍦ㄤ竴嬈¤璁轟腑鐨勫洖澶嶏細</p> <p>鎴戠殑鐞嗚В鏄疢artin澶у彅鎵璋撶殑domain object鏄?#8220;棰嗗煙妯″瀷”錛屽畠鏄竴涓拡瀵逛笟鍔¢昏緫鎶借薄鐨勬ā鍨嬶紝鍜岃蔣浠剁紪紼嬫牴鏈鏃犲叧緋匯傚嵆浣夸綘涓嶅紑鍙戣繖涓蔣浠訛紝浣犱粛鐒墮渶瑕佹娊璞′綘鐨勪笟鍔¢昏緫寰楀埌浣犵殑棰嗗煙妯″瀷銆傝繖涓鍩熸寚鐨勬槸浣犳墍浠庝簨鐨勮涓氾紝鑰屼笉鏄嫮闅樼殑鎸佷箙鍖栫被銆?</p> <p>騫朵笖棰嗗煙妯″瀷鐨勫緩妯′篃鏄湪闇姹傚垎鏋愰樁孌碉紝鎴栬呭湪闇姹傚垎鏋愰樁孌典箣鍓嶅畬鎴愮殑浜嬫儏銆傚叿浣撳埌緙栫▼鐨勮繃紼嬩腑錛岄鍩熸ā鍨嬪茍闈炲搴旀煇涓涓狫ava綾伙紝濡傛灉涓瀹氳寮鴻瀵瑰簲鐨勮瘽錛岋紙涓氬姟瀵硅薄錛孌ao鎺ュ彛錛孒ibernate瀹炰綋綾伙級浠栦滑鍚堣搗鏉ョ粺縐伴鍩熸ā鍨嬪湪Java璇█鐨勫疄鐜般傛妸 鍟嗕笟寤烘ā鑼冪暣鐨?#8220;棰嗗煙妯″瀷”鎷挎潵褰撳仛Hibernate緙栫▼涓殑瀹炰綋綾伙紝鏍規湰灝辨槸鐗涘ご涓嶅椹槾!</p> <p>鍏跺疄浣犵殑涓誨紶灝辨槸鎶婃寔涔呭寲瀹炰綋綾葷殑鎸佷箙鍖栨搷浣滈檮鐫鍒板疄浣撶被涓婇潰鍘伙紝鑰屼笉鏄垎寮銆備婦渚嬫潵璇達紝涔熷氨鏄Account綾葷殑澧炲垹鏀規煡涓嶅簲璇ュ崟鐙垎紱誨埌AccountDao鎺ュ彛鍘伙紝鑰屽簲璇ユ妸澧炲垹鏀規煡鎿嶄綔鏀懼湪Account綾婚噷闈㈡潵瀹屾垚錛屽涓嶏紵 </p> <p>閭d箞鎴戝湪瑙i噴榪欎釜闂涔嬪墠錛屽繀欏繪緞娓呬竴鐐癸紝灝辨槸榪欎釜闂鐨勮璁猴紝鍗蟲寔涔呭寲鎿嶄綔鏄惁搴旇鍗曠嫭鎶借薄涓涓狣AO灞傜殑闂鏄拰Martin Fowler鎻愬埌浜嗚傳琛鐨勯鍩熸ā鍨嬫鏃犲叧緋葷殑銆傚疄闄呬笂浼犵粺鐨凟ntity Bean灝辨槸榪欑鎶婃寔涔呭寲鎿嶄綔闄勭潃鍒癊ntity Bean鏈韓鍘葷殑錛屼絾鏄疢artin Fowler涓鏍峰湪璇達紝榪欑Entity Bean灝辨槸璐鐨勩?</p> <p>濂戒簡錛屾垜浠幇鍦ㄦ妸鍏朵粬鏃犲叧鍥犵礌鎺掗櫎浜嗭紝focus鍒拌繖涓瘽棰樹笂錛屽氨鏄垜浠槸鍚﹂渶瑕丏AO鎺ュ彛鐨勯棶棰樹簡銆傚洜涓烘寜鐓т綘鐨勮鐐癸紝濡傛灉鎶婂璞$殑澧炲垹鏀規煡閮芥斁鍦ㄥ疄浣撶被涓婇潰錛屽叾瀹炴垜浠氨涓嶉渶瑕丏AO鎺ュ彛灞備簡錛屼笟鍔″璞″拰Web Action閮藉彲浠ョ洿鎺ヨ皟鐢ㄥ疄浣撶被鏈韓鏉ュ畬鎴愭寔涔呭寲鎿嶄綔浜嗐?</p> <p>澶ф鍦?003騫翠互鍓嶏紝鎴戜竴鐩村氨鏄噰鐢ㄨ繖縐嶆ā鍨嬬殑錛屼絾鏄粠2003騫村紑濮嬶紝鎴戝氨鏀規垚浜嗗垎紱諱竴涓狣AO灞傛潵涓撻棬澶勭悊鎸佷箙鍖栨搷浣滀簡銆傚師鍥犳槸澶氭柟闈㈢殑錛屼粠鎶鏈搴︽潵鑰冮噺鐨勮瘽錛屽垎紱誨氨鏈夊緢澶氬ソ澶勶紝Rod Johnson鍦ㄣ妛ithout EJB銆嬬10绔犳寔涔呭寲閲岄潰灝辮緇嗛槓榪頒簡闇瑕丏AO灞傜殑鐞嗙敱錛屾垜寤鴻浣犵湅涓涓嬶紝榪欓噷涓嶅榪頒簡銆傚彧璋堜竴涓嬮櫎浜哛od Johson鎻愬埌鐞嗙敱涔嬪鐨勭悊鐢憋細 </p> <p>浣滀負淇濇寔鐘舵佺殑瀹炰綋綾伙紝浠栫殑鑱岃矗鏄繚鎸佺姸鎬侊紝鑰屼笉璐熻矗鐘舵佺殑鎸佷箙鍖栥傚鏋滄妸鎸佷箙鍖栨搷浣滀篃鏀懼湪瀹炰綋綾諱腑錛屼竴鏂歸潰鏉ヨ錛屾妸涓ょ涓嶅悓鐨勮亴璐f斁鍦ㄤ竴涓被涓紝騫朵笉絎﹀悎OCP鐨勫崟涓鑱岃矗鐨勫師鍒欙紝鐒惰屾洿閲嶈鐨勫師鍥犳槸浼氬甫鏉ュ疄浣撶被鐨勪笉紼沖畾鐨勯棶棰樸?</p> <p>鍦ㄦ垜鐨勭悊蹇典腑錛屽疄浣撶被浠ュ強瀹炰綋綾誨叧鑱斿叧緋繪槸涓涓蔣浠剁郴緇熶腑鏈紼沖畾涓嶅彉鐨勯儴鍒嗭紝鍦ㄦ暣涓蔣浠剁郴緇熶腑錛屽悇涓眰闈㈤兘闇瑕佹秹鍙婂埌瀹炰綋綾葷殑鎿嶄綔錛屽浣曞垝鍒嗗疄浣撶被錛屼互鍙婄‘瀹氬疄浣撶被鍏寵仈鏄渶璐硅冮噺鐨勶紝紜畾浜嗚繖涓鐐癸紝鏁翠釜杞歡緋葷粺灝卞簳灞備緷璧栧叧緋誨氨琚‘瀹氫笅鏉ヤ簡錛堝疄浣撶被鐨勫睘鎬у彲浠ュ彉鍖栵紝鐢變簬杞歡緋葷粺瀵瑰疄浣撶殑鎿嶄綔閮芥槸浠ュ疄浣撶被涓哄崟浣嶇殑錛屾墍浠ュ疄浣撳睘鎬х殑鍙樺寲涓嶄細閫犳垚緋葷粺涓嶇ǔ瀹氾級錛屼笂闈㈢殑DAO灞傦紝涓氬姟灞傦紝Web灞傞兘鍙瀹炰綋綾諱駭鐢熷崟鍚戜緷璧栥?</p> <p>濡傛灉浣犳妸DAO灞傚悎騫跺埌瀹炰綋綾諱腑錛岃娉ㄦ剰鏈潵Web灞傛槸涓嶄緷璧栦簬DAO灞傜殑錛學eb灞傚彧渚濊禆瀹炰綋綾伙紙鍥犱負瀹冭灞曠幇瀹炰綋綾葷姸鎬侊級錛屼絾鏄敱浜庝綘鍚堝茍浜嗭紝浣垮緱Web灞備篃鍙樺緱渚濊禆閭d簺DAO灞傜殑鎿嶄綔浜嗐傝繖鏍風殑緇撴灉灝辨槸璁╄蔣浠剁郴緇熺殑鑰﹀悎鎬ф彁楂橈紝鍙幾緙╂ч檷浣庯紝鍙淮鎶ゆч檷浣庛?</p> <p>DAO灞傜殑鍙樺姩鏄ぇ浜庡疄浣撶被鍙樺姩鐨勶紝瀹炰綋綾誨熀鏈笂紼沖畾涓嶅彉錛岃岃蔣浠剁郴緇熺殑闇姹傚彉鏇村嚑涔庝竴瀹氫細甯︽潵DAO灞傜殑鍙樺姩錛屼絾鏄茍涓嶄細甯︽潵瀹炰綋綾誨眰鐨勫彉鍔紙浼氬甫鏉ュ疄浣撳睘鎬х殑鍙樺姩錛屼絾鏄緢灝戜細褰卞搷鍒板疄浣撶被鏈韓錛夈傛墍浠AO灞傜殑鍙樺姩棰戠巼榪滆繙澶т簬瀹炰綋綾匯傞偅涔堝綋浣犳妸DAO灞傛搷浣滃悎騫跺埌瀹炰綋綾諱互鍚庯紝鍏剁粨鏋滃氨鏄瀹炰綋綾葷殑鍙樺姩棰戠巼絳変簬DAO灞傜殑鍙樺姩棰戠巼銆傞偅涔堝氨浼氶犳垚鏈潵紼沖畾鐨勫疄浣撶被灞傚彉寰楀彉寰楅鐜囬珮浜嗗緢澶氾紝鑰屽疄浣撶被鐨勫彉鍔ㄤ細娉㈠強鍒拌蔣浠剁郴緇熺殑姣忎釜灞傞潰錛岄犳垚杞歡澶ч潰縐殑鐩稿叧鎬у拰涓嶇ǔ瀹氥?</p> <p>璇瘋浣忓緢閲嶈鐨勪竴鐐癸細瀹炰綋綾繪槸鏈夌姸鎬佺殑綾伙紝DAO綾繪槸鏃犵姸鎬佺殑綾伙紝鍦ㄦ暣涓蔣浠剁郴緇熶腑錛屽彧鏈変袱縐嶇被鏈夌姸鎬侊紝涓涓槸瀹炰綋綾伙紝涓涓槸HTTP Session銆傛湁鐘舵佺殑綾諱細甯︽潵寰堥珮鐨勪唬鐮佺浉鍏蟲э紝搴旇灝介噺鍑忓皯鏈夌姸鎬佺被鐨勫獎鍝嶈寖鍥達紝灝介噺鍑忓皯鏈夌姸鎬佺被鐨勫彉鍔ㄩ鐜囷紝搴旇灝介噺鍑忓皯鏈夌姸鎬佺被鐨勮亴璐c?</p> <p>鑰屼綘鎶奃AO鎿嶄綔鍚堝茍鍒板疄浣撶被浠ュ悗錛岀粨鏋滃氨鏄墿澶т簡鏈夌姸鎬佺被鐨勪唬鐮佺浉鍏蟲х殑鑼冨洿鍜屽獎鍝嶈寖鍥達紝鎵╁ぇ浜嗘湁鐘舵佺被鐨勫彉鍔ㄩ鐜囷紝鏈鍚庡氨閫犳垚杞歡緋葷粺鐨勭ǔ瀹氭т笅闄嶃?br /> </p> <img src ="http://www.tkk7.com/zhqh/aggbug/293205.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/zhqh/" target="_blank">zhqh</a> 2009-08-30 17:41 <a href="http://www.tkk7.com/zhqh/articles/293205.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>titlthttp://www.tkk7.com/zhqh/articles/237137.htmlzhqhzhqhTue, 28 Oct 2008 08:01:00 GMThttp://www.tkk7.com/zhqh/articles/237137.htmlhttp://www.tkk7.com/zhqh/comments/237137.htmlhttp://www.tkk7.com/zhqh/articles/237137.html#Feedback0http://www.tkk7.com/zhqh/comments/commentRss/237137.htmlhttp://www.tkk7.com/zhqh/services/trackbacks/237137.html// Code #01

private string m_Location;
public string Location
{
    
get return m_Location; }
    
internal set { m_Location = value; }
}


public void Boil()
{
    Console.WriteLine(
"Boiling at Room {0}...", m_Location);
}


public final class ArrayUtil {
 
 private ArrayUtil(){
 }
 /**
  * Code shared by RegressionLine and WeightedAverage to discard prefix-zeros of array.
  * if all the elems of array are zero, return null.
  */
 public static double[] discardPrefixZero(double[] data){
  int firstNoZeroIndex = -1;
  for(int i=0;i<data.length;i++) {
   if(data[i] == 0d) {
    continue;
   }
   else{
    firstNoZeroIndex = i;
    break; 
   }

  }
  if(firstNoZeroIndex == -1)
   return null;
  double[] data2 = new double[data.length-firstNoZeroIndex];
  System.arraycopy(data, firstNoZeroIndex, data2, 0, data.length-firstNoZeroIndex);
  return data2;
 }

}


zhqh 2008-10-28 16:01 鍙戣〃璇勮
]]>
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