struts2配置详解编程语言

<?xml version="1.0" encoding="UTF-8"?> 
<web-app id="WebApp_9" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" 
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
         xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> 
 
    <display-name>Struts Blank</display-name> 
 
    <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> 
 
    <welcome-file-list> 
        <welcome-file>index.html</welcome-file> 
    </welcome-file-list> 
 
   
 
</web-app>

<?xml version="1.0" encoding="UTF-8" ?> 
<!DOCTYPE struts PUBLIC 
    "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN" 
    "http://struts.apache.org/dtds/struts-2.3.dtd"> 
 
<struts> 
 
    <constant name="struts.enable.DynamicMethodInvocation" value="false" /> 
    <constant name="struts.devMode" value="true" /> 
 
    <package name="default" namespace="/" extends="struts-default"> 
           <!-- 对应着IndexAction里面的execute方法 --> 
        <action name="index" class="com.itnba.maya.controller.IndexAction"> 
            <!-- execute方法return SUCCESS时不用写name --> 
            <result> 
                index.jsp <!--跳转的页面  --> 
            </result> 
             
            <result name="error"> 
                index_error.jsp 
            </result> 
             
            <result name="haha"> 
                index_haha.jsp 
            </result> 
        </action> 
         
        <!-- 直接跳转不用处理数据时 不需要写class --> 
        <action name="home"> 
            <result> 
                home.jsp 
            </result> 
        </action> 
    </package> 
 
    
</struts>

package com.itnba.maya.controller; 
 
import com.opensymphony.xwork2.ActionSupport; 
 
public class IndexAction extends ActionSupport { 
    private String msg; 
    public String getMsg() { 
        return msg; 
    } 
    public void setMsg(String msg) { 
        this.msg = msg; 
    } 
    @Override 
    public String execute() throws Exception { 
        msg+="haha"; 
        return SUCCESS; 
    } 
     
}