27.2 新建一个user_list.jsp文件;
<%@ 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>
用户添加成功<br>
username: ${user.username}<br>
password: ${user.password}<br>
age: ${user.age}<br>
sex: ${user.sex}
</body>
</html>
27.3 新建一个userController类,是实现模型属性值的添加和获得user对象;
package com.ask.controller;
import java.util.Map;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import com.ask.controller.entity.User;
//添加地址;
@RequestMapping("/user")
@Controller
public class UserController{
//使用模型属性值的添加;
@ModelAttribute
public void getUserParm(@RequestParam("username") String username,Map<String, Object> map){
if(username!=null){
User u=new User("scott", "tiger", 20, 1);
System.out.println(u);
map.put("user", u);
}
}
//获得user对象;
@RequestMapping(value="/add")
public String getUser(User user){
System.out.println(user);
return "user_list";
}
}