标签应该怎么使用，为什么使用后报500，我想使用在form中使用modelAttribute标签可是却提示无法解析，应该怎么使用？

angeltails 2019-03-20 06:22:42







<%--

  Created by IntelliJ IDEA.

  User: TeduJAVA

  Date: 2019/3/20

  Time: 15:53

  To change this template use File | Settings | File Templates.

--%>

<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>

<html>

<head>

    <title>Title</title>

</head>

<body>



<form:form action="/user/login" method="post" modelAttribute="SE_USER">

    <input type="text" name="name"><br>

    <input type="password" name="password"><br>

    <input type="submit" name="登录"><br>

</form:form>



<%--<form action="/user/login"  method="post" >--%>

    <%--<input type="text" name="name"><br>--%>

    <%--<input type="password" name="password"><br>--%>

    <%--<input type="submit" name="登录"><br>--%>

<%--</form>--%>



</body>

</html>



package com.sz.controller;



import com.sz.pojo.User;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.ModelAttribute;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.SessionAttributes;



import javax.servlet.http.HttpSession;



@Controller

@RequestMapping("/user")

@SessionAttributes("SE_USER")

public class UserController {



//    @RequestMapping("/login")

//    public String Login(@ModelAttribute("SE_USER") User user){

//            System.out.println("login...");

//    return "user";

//}

    @RequestMapping("/login")

    public String Login(User user, HttpSession session){

        System.out.println("login...");

        session.setAttribute("SE_USER",user);

        return "user";

    }

}