WebRoot/WEB-INF/web.xml

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<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 
	xmlns="http://java.sun.com/xml/ns/javaee" 
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
	http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
	
	<!-- 加入spring的支持 -->
    <!-- 指定Spring 的配置文件，默认放在WEB-INF下，则可不配置该项 -->
    <context-param>
    	<param-name>contextConfigLocation</param-name>
    	<param-value>classpath:applicationContext.xml</param-value>
    </context-param>
    <!-- 加入对spring的监听 -->
    <listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>
	 <!--刷新 Spring Introspector防止内存泄露-->
	  <listener> 
	   <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class> 
	  </listener>
     
	<!-- openSessionInView在JPA中注意-->
	<filter>
	        <filter-name>OpenSessionInViewFilter</filter-name>
	        <filter-class>org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter</filter-class>
	</filter>
	<filter-mapping>
	        <filter-name>OpenSessionInViewFilter</filter-name>
	        <url-pattern>/*</url-pattern>
	</filter-mapping>
	
	<!-- 編碼 -->
	<filter>
		<filter-name>encoding</filter-name>
		<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
		<init-param>
			<param-name>encoding</param-name>
			<param-value>UTF-8</param-value>
		</init-param>
	</filter>
	<filter-mapping>
		<filter-name>encoding</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	
	<!--加入struts2的支持 -->
	 <filter>
        <filter-name>struts2</filter-name>
        <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
    </filter>

    <filter-mapping>
        <filter-name>struts2</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <!-- 加入管理员登录过滤器 -->
	<filter>
		<filter-name>Login</filter-name>
		<filter-class>com.dream.filter.LoginFilter</filter-class>