JsonData返回前端数据

public class  JsonData {
    /**
     * 状态码 0 表示成功
     */
    private Integer code;
    /**
     * 数据
     */
    private Object data;
    /**
     * 描述
     */
    private String msg;

    public JsonData(int code, Object data, String msg) {
        this.code = code;
        this.msg = msg;
        this.data = data;
    }

        /**
         * 成功,不传⼊数据
         * @return
         */
        public static JsonData buildSuccess() {
            return new JsonData(0, null, null);
        }
        /**
         * 成功,传⼊数据
         * @param data
         * @return
         */
        public static JsonData buildSuccess (Object data){
            return new JsonData(0, data, null);
        }
        /**
         * 失败,传⼊描述信息
         * @param msg
         * @return
         */
        public static JsonData buildError (String msg){
            return new JsonData(-1, null, msg);
        }

//        必须要设置getset方法
    public Integer getCode() {
        return code;
    }

    public void setCode(Integer code) {
        this.code = code;
    }

    public Object getData() {
        return data;
    }

    public void setData(Object data) {
        this.data = data;
    }

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }
}

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转载自blog.csdn.net/LiuJia20010827/article/details/127579281
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