Java基础后台返回给前端的结果的封装ResultMsg

迈不过友情╰ 2023-01-11 08:53 199阅读 0赞

### Java基础 后台返回给前端的结果的封装ResultMsg ###

*  1、概述
 *  2、案例

# 1、概述 #

这只是简单实现，还有很多可以优化灵活的方式。

# 2、案例 #

/** * 结果对象 * * @author hello * @date 2021/1/26 * @since 1.0 */
    public class ResultMsg<T> implements Serializable { 
        private static final long serialVersionUID = 1029769657073759423L;
        public static final int SUCCESS_CODE = 1;
        public static final int ERROR_CODE = 0;
        public static final String SUCCESS_MSG = "执行成功";
        public static final String ERROR_MSG = "执行失败";
    
        /** * 执行结果状态码 * 0：执行失败 、1：执行成功 */
        private int code;
    
        /** * 执行结果提示信息 */
        private String msg;
    
        /** * 执行结果数据 */
        private T data;
    
        public ResultMsg(int code, String msg, T data) { 
            this.code = code;
            this.msg = msg;
            this.data = data;
        }
    
        /** * 执行成功构建方法 */
        public static <T> ResultMsg<T> buildSuccessMsg() { 
            return new ResultMsg<T>(SUCCESS_CODE, SUCCESS_MSG, null);
        }
    
        public static <T> ResultMsg<T> buildSuccessMsg(String msg) { 
            return new ResultMsg<T>(SUCCESS_CODE, msg, null);
        }
    
        public static <T> ResultMsg<T> buildSuccessMsg(T data) { 
            return new ResultMsg<T>(SUCCESS_CODE, SUCCESS_MSG, data);
        }
    
        public static <T> ResultMsg<T> buildSuccessMsg(String msg, T data) { 
            return new ResultMsg<T>(SUCCESS_CODE, msg, data);
        }
    
        /** * 执行失败构建方法 */
        public static <T> ResultMsg<T> buildErrorMsg() { 
            return new ResultMsg<T>(ERROR_CODE, ERROR_MSG, null);
        }
    
        public static <T> ResultMsg<T> buildErrorMsg(String msg) { 
            return new ResultMsg<T>(ERROR_CODE, msg, null);
        }
    
        public static <T> ResultMsg<T> buildErrorMsg(T data) { 
            return new ResultMsg<T>(ERROR_CODE, ERROR_MSG, data);
        }
    
        public static <T> ResultMsg<T> buildErrorMsg(String msg, T data) { 
            return new ResultMsg<T>(ERROR_CODE, msg, data);
        }
    
        public int getCode() { 
            return code;
        }
    
        public String getMsg() { 
            return msg;
        }
    
        public T getData() { 
            return data;
        }
    }