加载spring配置文件的常用三种方法

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1方法(web.xml)
<web-app>
   <context-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>/WEB-INF/applicationContext-*.xml</param-value>
   </context-param>
<listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
</web-app>
2方法(web.xml)
<web-app>
   <context-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>/WEB-INF/applicationContext-*.xml</param-value>
   </context-param>
   <servlet>
      <servlet-name>SpringContextServlet</servlet-name>
      <servlet-class>org.springframework.web.context.ContextLoaderServlet</servlet-class>
      <load-on-startup>1</load-on-startup>
   </servlet>
</web-app>
3方法在(struts-config.xml)中加载
<plug-in className="org.springframework.web.struts.ContextLoaderPlugIn">
        <set-property property="contextConfigLocation"
            value="/WEB-INF/applicationContext.xml,
                   /WEB-INF/action-servlet.xml"/>
</plug-in>

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