Spring 分散装配

<!-- 分散配置(属性占位符配置器),加载指定位置的属性文件,形成Properties集合 -->
<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
    <property name="locations">
         <list>
            <value>scatter/jdbc.properties</value>
         </list>
    </property>
</bean>
    
<!-- <context:property-placeholder location="scatter/jdbc.properties"/> -->

<!-- scatter -->
<bean id="scatter" class="scatter.Scatter">
    <property name="driverClass" value="${jdbc.driverclass}"/>
    <property name="url" value="${jdbc.url}"/>
    <property name="username" value="${jdbc.username}"/>
    <property name="password" value="${jdbc.password}"/>
</bean>

 

jdbc.properties

jdbc.driverclass=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql//localhost:3306/test
jdbc.username=root
jdbc.password=32147