Spring加载property文件

<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
    <property name="location" value="classpath:db.properties"/>
    <!--指定外部属性文件的编码格式-->
    <property name="fileEncoding" value="UTF-8"></property>
</bean>

  <context:property-placeholder location="classpath:db.properties"/>

<context:property-placeholder location="classpath:db.properties,

classpath:db.properties"/>

<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfi

gurer">  

      <property name="locations">  

         <list>  

            <!-- 这里支持多种寻址方式：classpath和file -->  

            <value>classpath:/opt/demo/config/demo-db.properties</value>  

            <!-- 推荐使用file的方式引入，这样可以将配置和代码分离 -->  

            <value>file:/opt/demo/config/demo-mq.properties</value>  

            <value>file:/opt/demo/config/demo-remote.properties</value>  

         </list>  

      </property>  

 

  </bean>  

<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfi

gurer">  

      <property name="locations">  

         <list>  

            <!-- 这里支持多种寻址方式：classpath和file -->  

            <value>classpath:/opt/demo/config/demo-db.properties</value>  

            <!-- 推荐使用file的方式引入，这样可以将配置和代码分离 -->  

            <value>file:/opt/demo/config/demo-mq.properties</value>  

            <value>file:/opt/demo/config/demo-remote.properties</value>  

         </list>  

      </property>  

 

  </bean>