建议所有响应R的格式调整

建议R的格式调整为 固定code msg data三个字段，
因为这样调你接口的获取你的数据，不用知道你的data 的key是哪个

例如

public class Response<T> implements Serializable {
    /**
     * 响应业务状态 0 成功， 1失败
     */
    private Integer code;

/**
     * 响应消息
     */
    private String msg;

/**
     * 响应中的数据
     */
    private transient T data;

private Response() {
    }

public Response(int code, String msg) {
        this.code = code;
        this.msg = msg;
    }

public static Response init(BaseCode respCode, String msg) {
        Response response = new Response();
        response.setCode(respCode.getCode());
        response.setMsg(msg);
        return response;
    }

public static <T> Response init(BaseCode respCode, String msg, T data) {
        Response response = new Response();
        response.setCode(respCode.getCode());
        response.setMsg(msg);
        response.setData(data);
        return response;
    }

public static <T> Response init(int code, String msg, T data) {
        Response response = new Response();
        response.setCode(code);
        response.setMsg(msg);
        response.setData(data);
        return response;
    }

public Response success() {
        return init(BaseCode.SUCCESS, BaseCode.SUCCESS.getMsg());
    }

public static Response success(Object data) {
        return init(BaseCode.SUCCESS, BaseCode.SUCCESS.getMsg(), data);
    }

public static Response success(Object data, String msg) {
        return init(BaseCode.SUCCESS, msg, data);
    }

public static Response fail(BaseCode respCode, String msg) {
        return init(respCode, msg);
    }

public static Response fail() {
        return init(BaseCode.FAILD, BaseCode.FAILD.getMsg());
    }

public static Response fail(String msg) {
        return init(BaseCode.FAILD, msg);
    }

public static boolean isSuccess(Response response) {
        return BaseCode.SUCCESS.getCode() == response.getCode();
    }

}

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