濡傛灉鏂規硶涓嶆槸鎶借薄鐨?spring鍥炵畝鍗曞湴瑕嗙洊宸叉湁鐨勫疄鐜?鍦ㄥ熀浜嶺ML鐨勯厤緗枃浠朵腑,閫氳繃鍦╞ean瀹氫箟涓嬌鐢╨ookup-method鍏冪礌鏉ュ憡璇塖pring鎵瑕佽凍鍏?瑕嗙洊鐨勬柟娉曞皢瑕佽繑鍥炵殑瀹為檯bean
Random.java
package com.test;
public class Random {
private int i = (int) (100 * Math.random());
public void printRandom() {
System.out.println("杈撳嚭闅忔満鏁存暟: " + i);
}
}
------------------------------------------------
HelloRandom.java
package com.test;
public interface HelloRandom {
public Random getRandom();
public Random createRandom();
}
-------------------------------------------------
HelloRandomAbstract.java
package com.test;
public abstract class HelloRandomAbstract implements HelloRandom{
private Random random;
public Random getRandom() {
return random;
}
public void setRandom(Random random) {
this.random = random;
}
//姝ゆ柟娉曞緩璁槸鎶借薄鐨?br />
public abstract Random createRandom();
}
---------------------------
XML鏂囦歡濡備笅:
<bean id="random" class="com.test.Random" singleton="false"/>
<bean id="helloRandomAbstract" class="com.test.HelloRandomAbstract">
<lookup-method name="createRandom" bean="random"/>
<property name="random">
<ref local="random"/>
</property>
</bean>
涓よ呮湁浠涔堜笉鍚屽憿,鍓嶄竴涓柟娉曞緱鍒扮殑鍚屼竴涓璞?涔熷氨鏄鍙getRandom(),寰楀埌鐨勯兘鏄悓涓涓柟娉?鍚庝竴縐嶆柟娉曡皟鐢ㄤ竴嬈reateRandom(),姣忔璋冪敤寰楀埌鐨勯兘鏄х殑Random瀵硅薄.榪欏氨璞″墠闈㈣鐨?span style="color: #ff0000">spring ioc瀹瑰櫒閲嶅啓bean鎶借薄(鎴?鍏蜂綋鏂規硶鐨勮兘鍔?浠庤岃繑鍥炴寚瀹氬悕瀛楃殑bean瀹炰緥.涓鑸敤鏉ュ緱鍒頒竴涓潪鍗曚緥瀵?/span>璞?
鍙﹀榪樻湁涓縐嶆柟娉曞彲浠ュ疄鐜扮被浼煎姛鑳斤細
<bean id="random" class="com.test.Random" scope="prototype"/>,鍥犱負prototype鑼冨洿鐨刡ean錛屽湪娌′竴嬈¤姹傞兘浼氱敓鎴愪竴涓柊鐨勫璞★紝灝辮薄鏄敤new Random()涓鏍鳳紱涓嶈凍鏄紝姝ゅ睘鎬у彧鏈夊湪鏃╂湡鐗堟湰鐨剆pring涓嶆敮鎸侊紒
]]>