Spring中多个工程下多个资源文件ignoreUnresolvablePlaceholders配置

案例或相同情况可以参考 

http://www.voidcn.com/article/p-urplrnbs-re.html


<bean id="propertyConfigurerForAnalysis" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
    <property name="location">
        <value>classpath:/spring/include/dbQuery.properties</value>
    </property>
</bean>
其中classpath是引用src目录下的文件写法。

当存在多个Properties文件时,配置就需使用locations了:(2)

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

    <property name="locations">
       <list>
          <value>classpath:/spring/include/jdbc-parms.properties</value>
          <value>classpath:/spring/include/base-config.properties</value>
        </list>
    </property>
</bean>
 接下来我们要使用多个PropertyPlaceholderConfigurer来分散配置,达到整合多工程下的多个分散的Properties 文件,其配置如下:(3)
<bean id="propertyConfigurerForProject1" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
    <property name="order" value="1" />
    <property name="ignoreUnresolvablePlaceholders" value="true" />
    <property name="location">
       <value>classpath:/spring/include/dbQuery.properties</value>
    </property>

</bean>


 <bean id="propertyConfigurerForProject2" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
    <property name="order" value="2" />
    <property name="ignoreUnresolvablePlaceholders" value="true" />
    <property name="locations">
      <list>
        <value>classpath:/spring/include/jdbc-parms.properties</value>
        <value>classpath:/spring/include/base-config.properties</value>
      </list>
    </property>
</bean>
 
其中order属性代表其加载顺序,而ignoreUnresolvablePlaceholders为是否忽略不可解析的 Placeholder,如配置了多个PropertyPlaceholderConfigurer,则需设置为true
这一个true害了我两天的时间啊)
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