spring mvc返回值处理

程序员文章站 2022-07-15 13:27:31

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<%--
  Created by IntelliJ IDEA.
  User: 黄国栋
  Date: 2020/6/26
  Time: 18:27
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>JSON格式数据参数绑定</title>
</head>
<body>
    <h1><a href="responseBody/returnString">测试String类型返回值</a></h1><br>
    <h1><a href="responseBody/returnPojo">测试POJO类型返回值</a></h1><br>
    <h1><a href="restController/returnString">测试String类型返回值</a></h1><br>
    <h1><a href="restController/returnPojo">测试POJO类型返回值</a></h1><br>
</body>
</html>

package com.hgd.ssm.controller;

import com.hgd.ssm.po.User;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

/**
 * @auther 黄国栋
 * @data 2020-06-26 20:10
 * @since
 */
@RequestMapping("responseBody")
@Controller
public class MyResponseBodyController {

    @RequestMapping(value = "returnString",produces = "text/plain;charset=utf-8")
    @ResponseBody
    public String returnString(){
        return "查询失败....";
    }

    @RequestMapping("returnPojo")
    @ResponseBody
    public User returnPojo(){
        User user=new User();
        user.setId(1);
        user.setUsername("黄国栋");
        user.setSex("男");
        return user;
    }

}

package com.hgd.ssm.controller;

import com.hgd.ssm.po.User;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

/**
 * @auther 黄国栋
 * @data 2020-06-26 20:29
 * @since
 */
@RequestMapping("restController")
@RestController
public class MyRestController {

    @RequestMapping(value = "returnString",produces = "text/plain;charset=utf-8")
    @ResponseBody
    public String returnString(){
        return "查询失败....";
    }

    @RequestMapping("returnPojo")
    @ResponseBody
    public User returnPojo(){
        User user=new User();
        user.setId(1);
        user.setUsername("黄国栋");
        user.setSex("男");
        return user;
    }

}

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