锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲精品宾馆在线精品酒店,亚洲国产无套无码av电影,亚洲国产成人久久一区久久http://www.tkk7.com/baizhihui19870626/category/51120.htmljavazh-cnSun, 20 May 2012 11:40:56 GMTSun, 20 May 2012 11:40:56 GMT60 ibatis-Spring 鏁村悎http://www.tkk7.com/baizhihui19870626/articles/378330.html灝忕櫧19870626灝忕櫧19870626Wed, 16 May 2012 10:21:00 GMThttp://www.tkk7.com/baizhihui19870626/articles/378330.htmlhttp://www.tkk7.com/baizhihui19870626/comments/378330.htmlhttp://www.tkk7.com/baizhihui19870626/articles/378330.html#Feedback0http://www.tkk7.com/baizhihui19870626/comments/commentRss/378330.htmlhttp://www.tkk7.com/baizhihui19870626/services/trackbacks/378330.html闃呰鍏ㄦ枃

灝忕櫧19870626 2012-05-16 18:21 鍙戣〃璇勮
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璇﹁ВSpring涓璪ean鐨勪綔鐢ㄥ煙http://www.tkk7.com/baizhihui19870626/articles/378270.html灝忕櫧19870626灝忕櫧19870626Wed, 16 May 2012 03:19:00 GMThttp://www.tkk7.com/baizhihui19870626/articles/378270.htmlhttp://www.tkk7.com/baizhihui19870626/comments/378270.htmlhttp://www.tkk7.com/baizhihui19870626/articles/378270.html#Feedback0http://www.tkk7.com/baizhihui19870626/comments/commentRss/378270.htmlhttp://www.tkk7.com/baizhihui19870626/services/trackbacks/378270.html

銆愬紩鑷?a style="color: #000000; text-decoration: none; ">鍜屾椂闂磋禌璺?鐨勫崥瀹€戝浣曚嬌鐢╯pring鐨勪綔鐢ㄥ煙錛?/p>

<bean id="role" class="spring.chapter2.maryGame.Role" scope="singleton"/>

榪欓噷鐨剆cope灝辨槸鐢ㄦ潵閰嶇疆spring bean鐨勪綔鐢ㄥ煙錛屽畠鏍囪瘑bean鐨勪綔鐢ㄥ煙銆?/p>

鍦╯pring2.0涔嬪墠bean鍙湁2縐嶄綔鐢ㄥ煙鍗籌細singleton(鍗曚緥)銆乶on-singleton錛堜篃縐皃rototype錛夛紝Spring2.0浠ュ悗錛屽鍔犱簡session銆乺equest銆乬lobal session涓夌涓撶敤浜嶹eb搴旂敤紼嬪簭涓婁笅鏂囩殑Bean銆傚洜姝わ紝榛樿鎯呭喌涓婼pring2.0鐜板湪鏈変簲縐嶇被鍨嬬殑Bean銆傚綋鐒訛紝Spring2.0瀵笲ean鐨勭被鍨嬬殑璁捐榪涜浜嗛噸鏋勶紝騫惰璁″嚭鐏墊椿鐨凚ean綾誨瀷鏀寔錛岀悊璁轟笂鍙互鏈夋棤鏁板縐嶇被鍨嬬殑Bean錛岀敤鎴峰彲浠ユ牴鎹嚜宸辯殑闇瑕侊紝澧炲姞鏂扮殑Bean綾誨瀷錛屾弧瓚沖疄闄呭簲鐢ㄩ渶姹傘?/p>

1銆乻ingleton浣滅敤鍩?/strong>

褰撲竴涓猙ean鐨勪綔鐢ㄥ煙璁劇疆涓簊ingleton錛岄偅涔圫pring IOC瀹瑰櫒涓彧浼氬瓨鍦ㄤ竴涓叡浜殑bean瀹炰緥錛屽茍涓旀墍鏈夊bean鐨勮姹傦紝鍙id涓庤bean瀹氫箟鐩稿尮閰嶏紝鍒欏彧浼氳繑鍥瀊ean鐨勫悓涓瀹炰緥銆傛崲璦涔嬶紝褰撴妸涓涓猙ean瀹氫箟璁劇疆涓簊ingleton浣滅敤鍩熸椂錛孲pring IOC瀹瑰櫒鍙細鍒涘緩璇ean瀹氫箟鐨勫敮涓瀹炰緥銆傝繖涓崟涓瀹炰緥浼氳瀛樺偍鍒板崟渚嬬紦瀛橈紙singleton cache錛変腑錛屽茍涓旀墍鏈夐拡瀵硅bean鐨勫悗緇姹傚拰寮曠敤閮藉皢榪斿洖琚紦瀛樼殑瀵硅薄瀹炰緥錛岃繖閲岃娉ㄦ剰鐨勬槸singleton浣滅敤鍩熷拰GOF璁捐妯″紡涓殑鍗曚緥鏄畬鍏ㄤ笉鍚岀殑錛屽崟渚嬭璁℃ā寮忚〃紺轟竴涓狢lassLoader涓彧鏈変竴涓猚lass瀛樺湪錛岃岃繖閲岀殑singleton鍒欒〃紺轟竴涓鍣ㄥ搴斾竴涓猙ean錛屼篃灝辨槸璇村綋涓涓猙ean琚爣璇嗕負singleton鏃跺欙紝spring鐨処OC瀹瑰櫒涓彧浼氬瓨鍦ㄤ竴涓bean銆?/p>

閰嶇疆瀹炰緥錛?/p>

<bean id="role" class="spring.chapter2.maryGame.Role" scope="singleton"/>

鎴栬?/p>

<bean id="role" class="spring.chapter2.maryGame.Role" singleton="true"/>

2銆乸rototype

prototype浣滅敤鍩熼儴緗茬殑bean錛屾瘡涓嬈¤姹傦紙灝嗗叾娉ㄥ叆鍒板彟涓涓猙ean涓紝鎴栬呬互紼嬪簭鐨勬柟寮忚皟鐢ㄥ鍣ㄧ殑getBean()鏂規硶錛夐兘浼氫駭鐢熶竴涓柊鐨刡ean瀹炰緥錛岀浉褰撲簬涓涓猲ew鐨勬搷浣滐紝瀵逛簬prototype浣滅敤鍩熺殑bean錛屾湁涓鐐歸潪甯擱噸瑕侊紝閭e氨鏄疭pring涓嶈兘瀵逛竴涓猵rototype bean鐨勬暣涓敓鍛藉懆鏈熻礋璐o紝瀹瑰櫒鍦ㄥ垵濮嬪寲銆侀厤緗佽楗版垨鑰呮槸瑁呴厤瀹屼竴涓猵rototype瀹炰緥鍚庯紝灝嗗畠浜ょ粰瀹㈡埛绔紝闅忓悗灝卞璇rototype瀹炰緥涓嶉椈涓嶉棶浜嗐備笉綆′綍縐嶄綔鐢ㄥ煙錛屽鍣ㄩ兘浼氳皟鐢ㄦ墍鏈夊璞$殑鍒濆鍖栫敓鍛藉懆鏈熷洖璋冩柟娉曪紝鑰屽prototype鑰岃█錛屼換浣曢厤緗ソ鐨勬瀽鏋勭敓鍛藉懆鏈熷洖璋冩柟娉曢兘灝嗕笉浼氳璋冪敤銆傛竻闄rototype浣滅敤鍩熺殑瀵硅薄騫墮噴鏀句換浣昿rototype bean鎵鎸佹湁鐨勬槀璐佃祫婧愶紝閮芥槸瀹㈡埛绔唬鐮佺殑鑱岃矗銆傦紙璁㏒pring瀹瑰櫒閲婃斁琚玸ingleton浣滅敤鍩焍ean鍗犵敤璧勬簮鐨勪竴縐嶅彲琛屾柟寮忔槸錛岄氳繃浣跨敤bean鐨勫悗緗鐞嗗櫒錛岃澶勭悊鍣ㄦ寔鏈夎琚竻闄ょ殑bean鐨勫紩鐢ㄣ傦級

閰嶇疆瀹炰緥錛?/p>

<bean id="role" class="spring.chapter2.maryGame.Role" scope="prototype"/>

鎴栬?/p>

<beanid="role" class="spring.chapter2.maryGame.Role" singleton="false"/>

 
3銆乺equest

request琛ㄧず璇ラ拡瀵規瘡涓嬈TTP璇鋒眰閮戒細浜х敓涓涓柊鐨刡ean錛屽悓鏃惰bean浠呭湪褰撳墠HTTP request鍐呮湁鏁堬紝閰嶇疆瀹炰緥錛?/p>

request銆乻ession銆乬lobal session浣跨敤鐨勬椂鍊欙紝棣栧厛瑕佸湪鍒濆鍖杦eb鐨剋eb.xml涓仛濡備笅閰嶇疆錛?/p>

濡傛灉浣犱嬌鐢ㄧ殑鏄疭ervlet 2.4鍙婁互涓婄殑web瀹瑰櫒錛岄偅涔堜綘浠呴渶瑕佸湪web搴旂敤鐨刋ML澹版槑鏂囦歡web.xml涓鍔犱笅榪癈ontextListener鍗沖彲錛?/p>

 <web-app>
  ...
  <listener>
<listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
  </listener>
  ...
</web-app>

濡傛灉鏄疭ervlet2.4浠ュ墠鐨剋eb瀹瑰櫒,閭d箞浣犺浣跨敤涓涓猨avax.servlet.Filter鐨勫疄鐜幫細

<web-app>
 ..
 <filter>
    <filter-name>requestContextFilter</filter-name>
    <filter-class>org.springframework.web.filter.RequestContextFilter</filter-class>
 </filter>
 <filter-mapping>
    <filter-name>requestContextFilter</filter-name>
    <url-pattern>/*</url-pattern>
 </filter-mapping>
  ...
</web-app>

鎺ョ潃鏃㈠彲浠ラ厤緗産ean鐨勪綔鐢ㄥ煙浜嗭細

<bean id="role" class="spring.chapter2.maryGame.Role" scope="request"/>

#p#

4銆乻ession

session浣滅敤鍩熻〃紺鴻閽堝姣忎竴嬈TTP璇鋒眰閮戒細浜х敓涓涓柊鐨刡ean錛屽悓鏃惰bean浠呭湪褰撳墠HTTP session鍐呮湁鏁堬紝閰嶇疆瀹炰緥錛?/p>

閰嶇疆瀹炰緥錛?/p>

鍜宺equest閰嶇疆瀹炰緥鐨勫墠鎻愪竴鏍鳳紝閰嶇疆濂絯eb鍚姩鏂囦歡灝卞彲浠ュ涓嬮厤緗細

<bean id="role" class="spring.chapter2.maryGame.Role" scope="session"/>

5銆乬lobal session

global session浣滅敤鍩熺被浼間簬鏍囧噯鐨凥TTP Session浣滅敤鍩燂紝涓嶈繃瀹冧粎浠呭湪鍩轟簬portlet鐨剋eb搴旂敤涓墠鏈夋剰涔夈侾ortlet瑙勮寖瀹氫箟浜嗗叏灞Session鐨勬蹇碉紝瀹冭鎵鏈夋瀯鎴愭煇涓猵ortlet web搴旂敤鐨勫悇縐嶄笉鍚岀殑portlet鎵鍏變韓銆傚湪global session浣滅敤鍩熶腑瀹氫箟鐨刡ean琚檺瀹氫簬鍏ㄥ眬portlet Session鐨勭敓鍛藉懆鏈熻寖鍥村唴銆傚鏋滀綘鍦╳eb涓嬌鐢╣lobal session浣滅敤鍩熸潵鏍囪瘑bean錛岄偅涔堬紝web浼氳嚜鍔ㄥ綋鎴恠ession綾誨瀷鏉ヤ嬌鐢ㄣ?/p>

閰嶇疆瀹炰緥錛?/p>

鍜宺equest閰嶇疆瀹炰緥鐨勫墠鎻愪竴鏍鳳紝閰嶇疆濂絯eb鍚姩鏂囦歡灝卞彲浠ュ涓嬮厤緗細

<bean id="role" class="spring.chapter2.maryGame.Role" scope="global session"/>

6銆佽嚜瀹氫箟bean瑁呴厤浣滅敤鍩?/strong>

鍦╯pring 2.0涓綔鐢ㄥ煙鏄彲浠ヤ換鎰忔墿灞曠殑錛屼綘鍙互鑷畾涔変綔鐢ㄥ煙錛岀敋鑷充綘涔熷彲浠ラ噸鏂板畾涔夊凡鏈夌殑浣滅敤鍩燂紙浣嗘槸浣犱笉鑳借鐩杝ingleton鍜宲rototype錛夛紝spring鐨勪綔鐢ㄥ煙鐢辨帴鍙rg.springframework.beans.factory.config.Scope鏉ュ畾涔夛紝鑷畾涔夎嚜宸辯殑浣滅敤鍩熷彧瑕佸疄鐜拌鎺ュ彛鍗沖彲錛屼笅闈㈢粰涓疄渚嬶細

鎴戜滑寤虹珛涓涓嚎紼嬬殑scope錛岃scope鍦ㄨ〃紺轟竴涓嚎紼嬩腑鏈夋晥錛屼唬鐮佸涓嬶細

publicclass MyScope implements Scope ...{
     privatefinal ThreadLocal threadScope = new ThreadLocal() ...{
          protected Object initialValue() ...{
            returnnew HashMap();
          }
    };
     public Object get(String name, ObjectFactory objectFactory) ...{
        Map scope = (Map) threadScope.get();
        Object object = scope.get(name);
        if(object==null) ...{
          object = objectFactory.getObject();
          scope.put(name, object);
        }
        return object;
     }
     public Object remove(String name) ...{
        Map scope = (Map) threadScope.get();
        return scope.remove(name);
     }
     publicvoid registerDestructionCallback(String name, Runnable callback) ...{
     }
    public String getConversationId() ...{
       // TODO Auto-generated method stub
       returnnull;
    }
          }



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