Struts2完全解耦和

jsp:

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
    <h3>演示Servlet的API的第一种方式(完全解耦合的方式)</h3>

    <form action="${ pageContext.request.contextPath }/demo1Action.action"
        method="post">
        姓名:<input type="text" name="username" /><br /> 密码:<input
            type="password" name="password" /><br /> <input type="submit"
            value="注册" />
    </form>

</body>
</html>

java:

package com.itheima.demo1;
/**
 * 完全解耦合的方式 ,使用Servlet的API
 */
import com.opensymphony.xwork2.ActionSupport;

//注意这里的继承
public class Demo1Action extends ActionSupport {

    private static final long serialVersionUID = 1L;
    
    @Override        //这个是重写默认的方法
    public String execute() throws Exception {
        System.out.println("代表页面跳转");
        return super.execute();
    }
}

struts.xml:

<?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>
        <!-- name属性是自己设置的 -->
    <package name="demo1" extends="struts-default" namespace="/">
            <!-- 完全解耦合的方式配置 -->
        <action name="demo1Action" class="com.itheima.demo1.Demo1Action"></action>
    </package>
</struts>
原文地址:https://www.cnblogs.com/tidhy/p/6707685.html