0
我有一個簡單的Spring上下文文件如下:。字符bean名稱和使用在規劃環境地政司
<bean id="acl.provider" class="com.provider.ProviderType" factory-method="getInstance">
<constructor-arg index="0" value="${provider}"/>
</bean>
<bean id="acl.authentication" class="com.provider.AuthenticationFactory">
<constructor-arg index="0">
<value>#{ @acl.provider==T(com.provider.ProviderType).A
?'classpath:cfg/a.spax'
:null}</value>
</constructor-arg>
</bean>
當我初始化上述背景下得到以下錯誤:當我改變acl.provider
bean的名字
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'acl' is defined
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanDefinition(DefaultListableBeanFactory.java:527)
at org.springframework.beans.factory.support.AbstractBeanFactory.getMergedLocalBeanDefinition(AbstractBeanFactory.java:1083)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:274)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)
at org.springframework.context.expression.BeanFactoryResolver.resolve(BeanFactoryResolver.java:44)
... 124 more
aclprovider
(刪除.
字符)一切正常。
我的問題是:爲什麼.
字符在bean名稱中使用並且在SpEL
中使用?