java后端通用返回json结果封装

本是古典何须时尚 2022-11-22 12:46 328阅读 0赞

Response

public class Response {
    
        /****
         * 成功响应Msg中的信息
         **/
        private final static String SUCCESS = "success";
    
        /****
         * 失败响应Msg中的信息
         **/
        private final static String FAILED = "failed";
    
      
        public static <T> Result<T> success() {
            return new Result<T>().setCode(ResultsCode.SUCCESS).setMsg(SUCCESS);
        }
    
      
        public static <T> Result<T> success(T data) {
            return new Result<T>().setCode(ResultsCode.SUCCESS).setMsg(SUCCESS).setData(data);
        }
    
        
        public static <T> Result<T> error(ResultsCode resultsCode) {
            return new Result<T>().setCode(resultsCode.code).setMsg(resultsCode.message);
        }
    
        
        public static <T> Result<T> error(String mesage) {
            return new Result<T>().setMsg(mesage).setCode(ResultsCode.FAIL);
        }
    
      
        public static <T> Result<T> error(String mesage, ResultsCode resultsCode) {
            return new Result<T>().setMsg(mesage).setCode(resultsCode.code);
        }
    
        public static <T> Result<T> error() {
            return new Result<T>().setCode(ResultsCode.FAIL).setMsg(FAILED);
        }
    
    
    }

Result

public class Result<T> implements Serializable {
    
        private static final long serialVersionUID = 1L;
    
        public int code;
    
        private String msg;
    
        private T data;
    
        public void Result() {
            this.code = ResultsCode.SUCCESS.code;
            this.msg = ResultsCode.SUCCESS.message;
        }
    
        public Result<T> setCode(ResultsCode resultsCode) {
            this.code = resultsCode.code;
            return this;
        }
    
        public int getCode() {
            return code;
        }
    
        public Result<T> setCode(int code) {
            this.code = code;
            return this;
        }
    
        public String getMsg() {
            return msg;
        }
    
        public Result<T> setMsg(String msg) {
            this.msg = msg;
            return this;
        }
    
        public T getData() {
            return data;
        }
    
        public Result<T> setData(T data) {
            this.data = data;
            return this;
        }
    
        @Override
        public String toString() {
            return "{" +
                    "code=" + code +
                    ", msg='" + msg + '\'' +
                    ", data=" + data +
                    '}';
        }
    }

ResultsCode

/***
     * @Author lanxuqiang
     * @Description 错误码枚举
     * @Date 14:38 2020/9/23
     * @Param
     * @return
     **/
    public enum ResultsCode {
    
        SUCCESS(200, "成功"),
    
        FAIL(-1, "失败"),
    
        ERROR(500, "服务器异常"),
    
        UNAUTHORIZED(401, "未认证（签名错误）"),
    
        NOT_FOUND(404, "接口不存在"),
    
     
    
        public int code;
        public String message;
    
        ResultsCode(int code, String message) {
            this.code = code;
            this.message = message;
        }
    }

例子：

@ResponseBody

Response.error(ResultsCode.MIDDLEMAN_REGISTER_ERROR);

Response.success(实体对象);