创建数据返回类型Result类

怼烎@ 2024-02-20 09:46 67阅读 0赞

Rsult.java

package com.example.dormitory_system.common;
    
    import lombok.AllArgsConstructor;
    import lombok.Builder;
    import lombok.Data;
    import lombok.NoArgsConstructor;
    
    /**
     * 返回结果类型-类
     * */
    @Data
    @AllArgsConstructor
    @NoArgsConstructor
    @Builder
    public class Result {
        private String code;
        private String message;
        private Object data;
        /*请求成功*/
        public static final String CODE_SUCCESS="200";
        /*客户端错误*/
        public static final String CODE_AUTH_ERROR="401";
        /*后台系统错误*/
        public static final String CODE_SYS_ERROR="500";
    
        public static Result success(){
            return new Result(CODE_SUCCESS,"请求成功",null);
            /*构建者模式*/
            /*return Result.builder().code(CODE_SUCCESS).message("请求成功").build();*/
        }
    
        public static Result success(Object data){
            return new Result(CODE_SUCCESS,"请求成功",data);
        }
    
        public static Result error(String message){
            return new Result(CODE_SYS_ERROR,message,null);
        }
    
        public static Result error(String code,String message){
            return new Result(code,message,null);
        }
    
        /*默认的错误返回方法*/
        public static Result error(){
            return new Result(CODE_SYS_ERROR,"系统错误",null);
        }
    }

使用

@GetMapping("/search")
        public Result findBySearchValue(Params params){
            PageInfo<Student> findBySearchValue = studentService.findBySearchValue(params);
            return Result.success(findBySearchValue);
        }

返回的数据格式

data:{}
    code:
    message: