Question

这里是我网站的一部分:

<context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>
            classpath:application-config.xml
        </param-value>
</context-param>

申请-没收.xml使用财产地主:

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

是否可以确定哪些财产在网上使用,而不是在应用会议中使用?

Answer 1

是的,您可使用<代码>ServletContextParatiesFactoryBean,以揭露context-param。价值(也要求完整填写<代码>) PropertyPlaceholderConfigurer ,而不是简单的context:property-placeholder:

<bean id = "myLocation" class = 
    "org.springframework.web.context.support.ServletContextParameterFactoryBean">
    <property name="initParamName" value = "myParameter" />
</bean>

<bean class = 
    "org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
    <property name="location" ref = "myLocation" />
</bean>

Or use Spring 3.0 sEL:

<bean class = 
    "org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
    <property name="location" value = "#{contextParameters.myParameter}" />
</bean>

Answer 2

完全同意轴心。因此,所有胎儿都把最简单的解决办法与春季3.0相结合:

<context:property-placeholder location="#{contextParameters.propertiesLocation}"/>

iii

<context-param>
   <param-name>propertiesLocation</param-name>
   <param-value>classpath:properties/db.properties</param-value>
</context-param>

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