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濮滃穽宸嶏紝鏄仈鎯抽泦鍥㈣蔣浠惰璁′腑蹇冪殑寮鍙戝伐紼嬪笀錛岀儹琛蜂簬J2EE鍜學eb鏈嶅姟鎶鏈傞棽鏆囨椂錛屽枩嬈㈤槄璇昏綆楁満涔︾睄錛屽茍棰戠箒鍏夐【鍚勪釜Java璁哄潧錛涘懆鏈殑鏅氫笂錛屼竴鑸細涔栦箹鐨勫湪鐢佃鏈哄墠闈㈣鐪嬫剰鐢茬洿鎾傚湴鍧錛氬寳浜競涓婂湴淇℃伅浜т笟鍩哄湴寮鎷撹礬7鍙峰厛閿嬪ぇ鍘?閭紪錛?00085 銆傛偍鍙互閫氳繃E-mail: jiangww@lenovo.com 涓庝粬鍙栧緱鑱旂郴銆?/FONT>
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璇存槑錛氶槄璇繪湰鏂囬渶瑕佷竴瀹氱殑Struts鍩虹銆?BR>娉細鏂囦腑灝忓啓鐨刟ction涓嶄竴瀹氫唬琛ㄥ叿浣撶殑Struts Action綾伙紝鏈夋椂涔熸寚浣滀負涓涓暣浣撶殑action mapping銆?/FONT>
[1] 瀹屾暣鐨刟ction
<action path="/aFullAction"
type="somePackage.someActionClass">
name="someForm"
input="someJSP.jsp"
<forward name="successful" path="someJSP.jsp"/>
<forward name="failed" path="someOtherJSP.jsp"/>
</action>
棣栧厛錛孲truts鐨凙ctionServlet鎺ユ敹鍒頒竴涓姹傦紝鐒跺悗鏍規嵁struts-config.xml鐨勯厤緗畾浣嶅埌鐩稿簲鐨刴apping錛堟槧灝勶級錛涙帴涓嬫潵濡傛灉form鐨勮寖鍥存槸request鎴栬呭湪瀹氫箟鐨勮寖鍥翠腑鎵句笉鍒拌繖涓猣orm錛屽垱寤轟竴涓柊鐨刦orm瀹炰緥錛涘彇寰梖orm瀹炰緥浠ュ悗錛岃皟鐢ㄥ叾reset()鏂規硶錛岀劧鍚庡皢琛ㄥ崟涓殑鍙傛暟鏀懼叆form錛屽鏋渧alidate灞炴т笉涓篺alse錛岃皟鐢╲alidate()鏂規硶錛涘鏋渧alidate()榪斿洖闈炵┖鐨凙ctionErrors錛屽皢浼氳杞埌input灞炴ф寚瀹氱殑URI錛屽鏋滆繑鍥炵┖鐨凙ctionErrors錛岄偅涔堟墽琛孉ction鐨別xecute()鏂規硶錛屾牴鎹繑鍥炵殑ActionForward紜畾鐩爣URI銆?/FONT>
榪欐牱鍋氱殑鏁堟灉鏄細execute()浠呭綋validate()鎴愬姛浠ュ悗鎵嶆墽琛岋紱input灞炴ф寚瀹氱殑鏄竴涓猆RI銆?/FONT>
[2] 浠呮湁Form鐨刟ction
<action path="/aFormOnlyAction"
type="org.apache.struts.actions.ForwardAction"
name="someForm"
input="someJSP.jsp"
parameter="someOtherJSP.jsp"
/>
棣栧厛錛孲truts浼氬湪瀹氫箟鐨剆cope鎼滃someForm錛屽鏋滄壘鍒板垯閲嶇敤錛屽鏋滄壘涓嶅埌鍒欐柊寤轟竴涓疄渚嬶紱鍙栧緱form瀹炰緥浠ュ悗錛岃皟鐢ㄥ叾reset()鏂規硶錛岀劧鍚庡皢琛ㄥ崟涓殑鍙傛暟鏀懼叆form錛屽鏋渧alidate灞炴т笉涓篺alse錛岃皟鐢╲alidate()鏂規硶錛涘鏋渧alidate()榪斿洖闈炵┖鐨凙ctionErrors錛屽皢浼氳杞埌input灞炴ф寚瀹氱殑URI錛屽鏋滆繑鍥炵┖鐨凙ctionErrors錛岄偅涔堣漿鍒皃arameter灞炴ф寚瀹氱殑鐩爣URI銆?/FONT>
榪欐牱鍋氱殑鏁堟灉鏄細娌℃湁action綾誨彲浠ュ瓨鏀炬垜浠殑涓氬姟閫昏緫錛屾墍浠ユ墍鏈夐渶瑕佸啓鍏ョ殑閫昏緫閮藉彧鑳藉啓鍒癴orm鐨剅eset()鎴栬卾alidate()鏂規硶涓倂alidate()鐨勪綔鐢ㄦ槸楠岃瘉鍜岃闂笟鍔″眰銆傚洜涓鴻繖閲岀殑action鏄犲皠涓嶅寘鎷琭orward錛堜篃娌℃湁鎰忎箟錛夛紝鎵浠ヤ笉鑳介噸瀹氬悜錛屽彧鑳界敤榛樿鐨勯偅涓猣orward銆傝繖縐嶄粎鏈塮orm鐨刟ction鍙互鐢ㄦ潵澶勭悊鏁版嵁鑾峰彇騫秄orward鍒板彟涓涓狫SP鏉ユ樉紺恒?/FONT>
[3] 浠呮湁Action鐨刟ction
<action path="/anActionOnlyAction"
type="somePackage.someActionClass">
input="someJSP.jsp"
<forward name="successful" path="someJSP.jsp"/>
<forward name="failed" path="someOtherJSP.jsp"/>
</action>
棣栧厛錛孉ctionServlet鎺ユ敹鍒拌姹傚悗錛屽彇寰梐ction綾誨疄渚嬶紝璋冪敤execute()鏂規硶錛涚劧鍚庢牴鎹繑鍥炵殑ActionForward鍦ㄩ厤緗腑鎵緁orward錛宖orward鍒版寚瀹氱殑URI鎴朼ction銆?/FONT>
榪欐牱鍋氱殑鏁堟灉鏄細娌℃湁form瀹炰緥琚紶鍏xecute()鏂規硶錛屼簬鏄痚xecute()蹇呴』鑷繁浠庤姹備腑鑾峰彇鍙傛暟銆侫ction鍙互琚玣orward鎴栬呴噸瀹氬悜銆傝繖縐峚ction涓嶈兘澶勭悊閫氳繃HTML FORM鎻愪氦鐨勮姹傦紝鍙兘澶勭悊閾炬帴寮忕殑璇鋒眰銆?/FONT>
[4] 浠呮湁JSP鐨刟ction
<action path="/aJSPOnlyAction"
type="org.apache.struts.actions.ForwardAction"
parameter="someOtherJSP.jsp"
/>
棣栧厛錛孉ctionServlet鎺ュ埌璇鋒眰鍚庤皟鐢‵orwardAction鐨別xecute()鏂規硶錛宔xecute()鏍規嵁閰嶇疆鐨刾arameter灞炴у兼潵forward鍒伴偅涓猆RI銆?/FONT>
榪欐牱鍋氱殑鏁堟灉鏄細娌℃湁浠諱綍form琚疄渚嬪寲錛屾瘮杈冪幇瀹炵殑鎯呭艦鍙兘鏄痜orm鍦╮equest鏇撮珮綰у埆鐨勮寖鍥翠腑瀹氫箟錛涙垨鑰呰繖涓猘ction琚敤浣滃湪搴旂敤紼嬪簭緙栬瘧濂藉悗鍏呭綋緋葷粺鍙傛暟錛屽彧闇瑕佹洿鏀硅繖涓厤緗枃浠惰屼笉闇瑕侀噸鏂扮紪璇戠郴緇熴?/FONT>
[5] 涓や釜action瀵瑰簲涓涓猣orm
<action path="/anAction"
type="somePackage.someActionClass">
name="someForm"
input="someJSP.jsp"
<forward name="successful" path="/anotherAction.do"/>
</action>
<action path="/anotherAction"
type="somePackage.someOtherActionClass">
name="someForm"
input="someOtherJSP.jsp"
<forward name="successful" path="someResultJSP.jsp"/>
</action>
灝辨瘡涓崟鐙殑action鏉ヨ錛屽鐞嗕笂騫舵病鏈夊拰瀹屾暣鐨刟ction鏈変粈涔堝疄璐ㄧ殑鍖哄埆銆傝繖涓粍鍚堟ā寮忓彲浠ヨ鐢ㄦ潵浼犻掑懡浠ゅ璞★紙form錛夈傞渶瑕佹敞鎰忕殑鏄湪鍚庝竴涓猘ction涓悓鏍蜂細璋冪敤form鐨剅eset()鍜寁alidate()鏂規硶錛屽洜姝ゆ垜浠繀欏葷‘淇漟orm涓殑淇℃伅涓嶈閲嶅啓銆?/FONT>
澶勭悊鐨勬柟寮忓ぇ鑷村垎涓轟袱縐嶏細a) 鍦╮equest涓斁鍏ヤ竴涓寚紺哄櫒琛ㄦ槑鍓嶄竴涓猘ction鏈夋剰鍚戝悗涓涓猘ction浼犻抐orm錛屼粠鑰屽湪鍚庝竴涓猘ction鍙互淇濈暀閭d釜form涓殑鍊鹼紝榪欎竴鏂瑰紡鍙兘鍦ㄤ嬌鐢╢orward鏃朵嬌鐢ㄣ俠) 褰撲嬌鐢╮edirect鑰屼笉鏄痜orward鏃訛紝鍙互鎶婃寚紺哄櫒鏀懼湪session鎴栨洿楂樼殑綰у埆錛屽湪鍛戒護閾劇殑鏈鍚庝竴鐜皢榪欎釜鎸囩ず鍣ㄦ竻闄ゃ?/FONT>
[6] 涓や釜action瀵瑰簲涓や釜form
<action path="/anAction"
type="somePackage.someActionClass">
name="someForm"
input="someJSP.jsp"
<forward name="successful" path="/anotherAction.do" redirect="true"/>
</action>
<action path="/anotherAction"
type="somePackage.someOtherActionClass">"
name="someOtherForm"
input="someOtherJSP.jsp"
<forward name="successful" path="someResultJSP.jsp"/>
</action>
榪欎釜緇勫悎鏂瑰紡璺熷墠涓縐嶅湪嫻佺▼涓婃病鏈夊お澶у尯鍒紝鍙槸鎴戜滑鐜板湪瀵逛簬涓や釜action鍒嗗埆鎻愪緵浜唂orm錛屼簬鏄唬鐮佺湅涓婂幓鏇村姞娓呮櫚銆備簬鏄垜浠彲浠ュ垎鍒鐞哤EB搴旂敤紼嬪簭鐨勮緭鍏ュ拰杈撳嚭銆傚煎緱娉ㄦ剰鐨勬槸錛屽悗涓涓猘ction鍚屾牱浼氬皾璇曞線form涓啓鍏ラ偅浜涘弬鏁幫紝涓嶈繃鎴戜滑鍙互榪欐牱澶勭悊錛歛) 鍦ㄥ悗涓涓猣orm涓嬌鐢ㄥ彟涓濂楀睘鎬у悕錛沚) 鍙彁渚沢etter鑰屼笉鎻愪緵setter銆?/FONT>
澶ц嚧鐨勫鐞嗘槸榪欐牱錛?BR>鍓嶄竴涓猘ction鎺ユ敹杈撳叆銆侀獙璇併佺劧鍚庡皢鏁版嵁鍐欏叆涓氬姟灞傛垨鎸佷箙灞傦紝閲嶅畾鍚戝埌鍚庝竴涓猘ction錛屽悗涓涓猘ction鎵嬪姩鐨勪粠涓氬姟灞?鎸佷箙灞傚彇鍑烘暟鎹紝鍐欏叆form錛堥氳繃鍏朵粬鏂瑰紡錛夛紝浜ょ粰鍓嶅彴JSP鏄劇ず銆?/FONT>
榪欐牱鍋氱殑濂藉鏄笉蹇呬繚鐣欒緭鍏orm涓殑鍊鹼紝鍥犳鍙互浣跨敤redirect鑰屼笉鏄痜orward銆傝繖鏍峰氨闄嶄綆浜嗕袱涓猘ction涔嬮棿鐨勮﹀悎搴︼紝鍚屾椂涔熼伩鍏嶄簡涓嶅繀瑕佺殑閲嶅鎻愪氦銆?BR>