Struts 值栈与modeldriven接口传值问题_值栈里没有modeldriven里的值-优快云博客

本文链接：https://blog.youkuaiyun.com/qq_41454799/article/details/82987749

本文探讨了在Struts2框架中，如何使用值栈与ModelDriven接口进行参数传递，通过示例展示了从JSP页面到Action类再到实体类User的数据流转过程。

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值栈与modeldriven接口传值问题

jsp页面

<%@ 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>

<h1>值栈与modeldriven接口传值问题</h1>
<a href="${pageContext.request.contextPath }/sy/caseAction.action?uname=zhangsan&&user.uid=1&&user.uname=lisi" >测试</a>


</body>
</html>

action

package com.zking.one.web;

import com.opensymphony.xwork2.ModelDriven;
import com.zking.one.entity.User;

public class CaseAction implements ModelDriven<User> {

	private User user = new User();//实体类
	private String uname;
	
	public String execute() {
		System.out.println(user);
		System.out.println(uname);
		return "rs";
		
	}
	
	@Override
	public User getModel() {
		// TODO Auto-generated method stub
		return user;
	}



	public String getUname() {
		return uname;
	}


	public void setUname(String uname) {
		this.uname = uname;
	}
	
	
	
}

实体类user

package com.zking.one.entity;

public class User {

	private String uid;
	private String uname;
	public String getUid() {
		return uid;
	}
	public void setUid(String uid) {
		this.uid = uid;
	}
	public String getUname() {
		return uname;
	}
	public void setUname(String uname) {
		this.uname = uname;
	}
	public User(String uid, String uname) {
		super();
		this.uid = uid;
		this.uname = uname;
	}
	public User() {
		super();
	}
	@Override
	public String toString() {
		return "User [uid=" + uid + ", uname=" + uname + "]";
	}
	
	
	
}

显示的效果如下：在这里插入图片描述