鍦˙eanFactory鐨勯厤緗腑錛?lt;bean>鏄垜浠渶甯歌鐨勯厤緗」錛屽畠鏈変袱涓渶甯歌鐨勫睘鎬э紝鍗砳d鍜宯ame錛屾渶榪戠爺絀朵簡涓涓嬶紝鍙戠幇榪欎袱涓睘鎬ц繕鎸哄ソ鐜╃殑錛岀壒鏁寸悊鍑烘潵鍜屽ぇ瀹朵竴璧峰垎浜?
1.id灞炴у懡鍚嶅繀欏繪弧瓚砐ML鐨勫懡鍚嶈鑼冿紝鍥犱負id鍏跺疄鏄疿ML涓氨鍋氫簡闄愬畾鐨勩傛葷粨璧鋒潵灝辯浉褰撲簬涓涓狫ava鍙橀噺鐨勫懡鍚嶏細涓嶈兘浠ユ暟瀛楋紝絎﹀彿鎵撳ご錛屼笉鑳芥湁絀烘牸錛屽123錛?ad,"ab "絳夐兘鏄笉瑙勮寖鐨勶紝Spring鍦ㄥ垵濮嬪寲鏃跺氨浼氭姤閿欙紝
org.xml.sax.SAXParseException: Attribute value "?ab" of type ID must be a name.
2.name灞炴у垯娌℃湁榪欎簺闄愬畾錛屼綘鍙互浣跨敤鍑犱箮浠諱綍鐨勫悕縐幫紝濡?ab,123絳夛紝浣嗕笉鑳藉甫絀烘牸錛屽"a b"," abc"錛岋紝榪欐椂錛岃櫧鐒跺垵濮嬪寲鏃朵笉浼氭姤閿欙紝浣嗗湪getBean()鍒欎細鎶ュ嚭璇稿浠ヤ笅鐨勯敊璇細
org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'a b' is defined
3.閰嶇疆鏂囦歡涓笉鍏佽鍑虹幇涓や釜id鐩稿悓鐨?lt;bean>錛屽惁鍒欏湪鍒濆鍖栨椂鍗充細鎶ラ敊錛屽錛?
org.xml.sax.SAXParseException: Attribute value "aa" of type ID must be unique within the document.
4.浣嗛厤緗枃浠朵腑鍏佽鍑虹幇涓や釜name鐩稿悓鐨?lt;bean>錛屽湪鐢╣etBean()榪斿洖瀹炰緥鏃訛紝鍚庨潰涓涓狟ean琚繑鍥?搴旇鏄墠闈㈤偅涓?lt;bean>琚悗闈㈠悓鍚嶇殑 <bean>瑕嗙洊浜嗐傛湁閴翠簬姝わ紝涓轟簡閬垮厤涓嶇粡鎰忕殑鍚屽悕瑕嗙洊鐨勭幇璞★紝灝介噺鐢╥d灞炴ц屼笉瑕佺敤name灞炴с?br />
5.name灞炴у彲浠ョ敤,闅斿紑鎸囧畾澶氫釜鍚嶅瓧錛屽<bean name="b1,b2,b3">,鐩稿綋浜庡涓埆鍚嶏紝榪欐椂閫氳繃getBean("a1")
getBean("a2") getBean("a3")榪斿洖鐨勯兘鏄悓涓涓疄渚嬶紙鍋囪鏄痵ingleton鐨勬儏鍐碉級
6.濡傛灉id鍜宯ame閮芥病鏈夋寚瀹氾紝鍒欑敤綾誨叏鍚嶄綔涓簄ame錛屽<bean
class="com.stamen.BeanLifeCycleImpl">,鍒欎綘鍙互閫氳繃
getBean("com.biao.GroupThreadImpl")榪斿洖璇ュ疄渚嬨?/p>
7.濡傛灉瀛樺湪澶氫釜id鍜宯ame閮芥病鏈夋寚瀹氾紝涓斿疄渚嬬被閮戒竴鏍風殑<bean>錛屽:
<bean class="com.biao.GroupThreadImpl"/>
<bean class="com.biao.GroupThreadImpl"/>
<bean class="com.biao.GroupThreadImpl"/>
鍒欑涓涓猙ean閫氳繃getBean("com.biao.GroupThreadImpl")鑾峰緱錛?
絎簩涓猙ean閫氳繃getBean("com.biao.GroupThreadImpl#1")鑾峰緱錛?
絎笁涓猙ean閫氳繃getBean("com.biao.GroupThreadImpl#2")鑾峰緱錛屼互姝ょ被鎺ㄣ?
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1. *SPRING_HOME/dist/spring.jar *SPRING_HOME/lib/Jakarta-commons/commons-logging.jar *SPRING_HOME/lib/log4j/log4j-1.2.14.jar *SPRING_HOME/lib/aspectj/*.jar 2. 3. 4. 娉ㄦ剰錛氬湪榪欑鏂規硶瀹氫箟涓紝鍒囧叆鐐圭殑鏂規硶鏄笉琚墽琛岀殑錛屽畠瀛樺湪鐨勭洰鐨勪粎浠呮槸涓轟簡閲嶇敤鍒囧叆鐐?nbsp; AOP錛?/p>
Spring 瀵笰OP鐨勬敮鎸侊紙閲囩敤閰嶇疆鏂囦歡鐨勬柟寮忥級 1.spring渚濊禆搴?/p>
*SPRING_HOME/dist/spring.jar *SPRING_HOME/lib/Jakarta-commons/commons-logging.jar *SPRING_HOME/lib/log4j/log4j-1.2.14.jar *SPRING_HOME/lib/aspectj/*.jar 2.閰嶇疆濡備笅錛?/p>
<aop:config> Spring 瀵笰OP鐨勬敮鎸?JoinPoint鍙傛暟浠嬬粛) Aspect榛樿鎯呭喌涓嶇敤瀹炵幇鎺ュ彛錛屼絾瀵逛簬鐩爣瀵硅薄(UserManagerImpl.java),鍦ㄩ粯璁ゆ儏鍐典笅蹇呴』瀹炵幇鎺ュ彛, 濡傛灉娌℃湁瀹炵幇鎺ュ彛蹇呴』寮曞叆CGLIB搴?/p>
鎴戜滑鍙互閫氳繃Advice涓坊鍔犱竴涓狫oinPoint鍙傛暟錛岃繖涓間細鐢眘pring鑷姩浼犲叆錛屼粠JoinPoint涓彲浠ュ彇寰楀弬鏁板箋佹柟娉曞悕絳夌瓑 Spring 瀵笰OP鐨勬敮鎸?/p>
1. 2. 3. 4. 濡備綍寮哄埗浣跨敤CGLIB瀹炵幇AOP錛?/p>
*娣誨姞CGLIB搴擄紝SPRING_HOME/lib/cglib/*.jar *鍦╯pring閰嶇疆鏂囦歡涓姞鍏?lt;aop:aspectj-autoproxy proxy-target-class="true"/> JDK鍔ㄦ佷唬鐞嗗拰CGLIB瀛楄妭鐮佺敓鎴愮殑鍖哄埆?
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