struts2中web.xml主要配置

<?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>Demo5-struts2</display-name>
  
  <filter><!-- 过滤器 -->
  
    <filter-name>struts2</filter-name>
    <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
  </filter>
  
  
  <filter-mapping> <!-- 过滤器名称 -->
  
    <filter-name>struts2</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>
  
  
  <welcome-file-list>
  <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
</web-app>