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  • java spring boot返回json的写法

    java spring boot返回json的写法 (用于写接口)

    加了

    @RestController 控制器的返回值就会返回json了

    package com.example.demo2122;
    import org.springframework.web.bind.annotation.GetMapping;
    import org.springframework.web.bind.annotation.RequestParam;
    import org.springframework.web.bind.annotation.RestController;
    
    import java.util.*;
    @RestController
    public class HelloControl {
        @RequestMapping("/hello")
        public Map<Object, Object> hello(@RequestParam(value = "name", defaultValue = "World") String name) {
            List<Map<Object, Object>> list = new ArrayList<Map<Object, Object>>();
            Map<Object, Object> map1 = new HashMap<Object, Object>();
            map1.put("姓名1", "张三");
            map1.put("姓名2", "李四");
            map1.put("姓名3", "王五");
            list.add(map1);
    
            Map<Object, Object> map=this.commonajax(100,"查询成功",list);
    
    
            return map;
        }
    
        private Map<Object, Object> commonajax(Integer code,String msg,List<Map<Object, Object>> data){
            Map<Object, Object> map = new HashMap<Object, Object>();
            map.put("code", code);
            map.put("msg", "查询成功");
            map.put("data", data);
            return map;
        }
    }
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  • 原文地址:https://www.cnblogs.com/newmiracle/p/12744486.html
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