404错误

来源：2-5 自由编程

复java_n

2021-04-29 17:31:33

package com.imooc.springmvc;

import com.imooc.springmvc.entity.User;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class Testcontroller {
@PostMapping("/t")
@ResponseBody
    public String postTest(User user) {
return  "<fieldset><legend>登陆成功</legend>用户名：" +user.getUsername()+

"<br>密码："+user.getPassword()+"</fieldset>";
    }
}

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<form action="/t" method="post">
    <input name="username">
    <input name="password">
    <input type="submit" value="提交">
</form>
</body>
</html>