struts2 2.5以上版本安装中web.xml的配置（包括核心过滤器filter）

<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0">  <display-name>zhongbao</display-name>  <welcome-file-list>    <welcome-file>index.html</welcome-file>    <welcome-file>index.htm</welcome-file>    <welcome-file>index.jsp</welcome-file>    <welcome-file>default.html</welcome-file>    <welcome-file>default.htm</welcome-file>    <welcome-file>default.jsp</welcome-file>  </welcome-file-list> <filter>          <filter-name>struts2</filter-name> <!-- 过滤器的名字 -->          <filter-class>org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter</filter-class> <!-- 引用个具体类文件 -->      </filter>      <filter-mapping>          <filter-name>struts2</filter-name>          <url-pattern>/*</url-pattern>      </filter-mapping>  </web-app>