Bean id 속성에서 Spring EL을 사용할 수 있습니까?

Question

빈의 id 속성에서 SpEL을 사용할 수 있습니까?

예컨대 : 무엇 <bean id="#{T(com.om.m).PublicStaticFinalStringProperty}"...

가 작동하지 않습니다이 방법은, 내가 변경하거나 불가능해야합니까?

Answer 1

이상하지만 가능합니다 (샘플은 스프링 3.1을 사용함). 다른 버전 일 : 불가능 :

<?xml version="1.0" encoding="UTF-8"?> 
<beans xmlns="http://www.springframework.org/schema/beans" 
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
     xmlns:context="http://www.springframework.org/schema/context" 
     xmlns:util="http://www.springframework.org/schema/util" 
     xsi:schemaLocation=" 
      http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd 
      http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd 
      http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd 
     "> 

    <context:property-placeholder properties-ref="myProps"/> 

    <util:properties id="myProps" > 
     <prop key="x.y.z">possible</prop> 
    </util:properties> 

    <bean id="testBean" class="Bean"> 
     <property name="value" value="weird"/> 
    </bean> 

    <bean id="${x.y.z}" class="Bean"> 
     <property name="value" value="but"/> 
    </bean> 

    <bean id="#{testBean.value}" class="Bean"> 
     <property name="value" value="${x.y.z}"/> 
    </bean> 

</beans> 

Bean.java

public class Bean implements InitializingBean { 

    String value; 

    public void setValue(String value) { 
     this.value = value; 
    } 

    public void afterPropertiesSet() throws Exception { 
     System.out.println(value); 
    } 

}