微服务项目：尚融宝（9）（后端接口：统一返回结果）

@Getter
@AllArgsConstructor
@ToString
public enum ResponseEnum {

    SUCCESS(0, "成功"),
    ERROR(-1, "服务器内部错误"),
    ;

    // 响应状态码
    private Integer code;
    // 响应信息
    private String message;
}

@Getter
@AllArgsConstructor
@ToString
public enum ResponseEnum {

    SUCCESS(0,"成功"),
    ERROR(-1,"服务器内部乘错误"),
    //-1xx 服务器错误
    BAD_SQL_GRAMMAR_ERROR(-101, "sql语法错误"),
    SERVLET_ERROR(-102, "servlet请求异常"), //-2xx 参数校验
    UPLOAD_ERROR(-103, "文件上传错误"),
    EXPORT_DATA_ERROR(104, "数据导出失败"),


    //-2xx 参数校验
    BORROW_AMOUNT_NULL_ERROR(-201, "借款额度不能为空"),
    MOBILE_NULL_ERROR(-202, "手机号码不能为空"),
    MOBILE_ERROR(-203, "手机号码不正确"),
    PASSWORD_NULL_ERROR(204, "密码不能为空"),
    CODE_NULL_ERROR(205, "验证码不能为空"),
    CODE_ERROR(206, "验证码错误"),
    MOBILE_EXIST_ERROR(207, "手机号已被注册"),
    LOGIN_MOBILE_ERROR(208, "用户不存在"),
    LOGIN_PASSWORD_ERROR(209, "密码错误"),
    LOGIN_LOKED_ERROR(210, "用户被锁定"),
    LOGIN_AUTH_ERROR(-211, "未登录"),


    USER_BIND_IDCARD_EXIST_ERROR(-301, "身份证号码已绑定"),
    USER_NO_BIND_ERROR(302, "用户未绑定"),
    USER_NO_AMOUNT_ERROR(303, "用户信息未审核"),
    USER_AMOUNT_LESS_ERROR(304, "您的借款额度不足"),
    LEND_INVEST_ERROR(305, "当前状态无法投标"),
    LEND_FULL_SCALE_ERROR(306, "已满标，无法投标"),
    NOT_SUFFICIENT_FUNDS_ERROR(307, "余额不足，请充值"),

    PAY_UNIFIEDORDER_ERROR(401, "统一下单错误"),

    ALIYUN_SMS_LIMIT_CONTROL_ERROR(-502, "短信发送过于频繁"),//业务限流
    ALIYUN_SMS_ERROR(-503, "短信发送失败"),//其他失败

    WEIXIN_CALLBACK_PARAM_ERROR(-601, "回调参数不正确"),
    WEIXIN_FETCH_ACCESSTOKEN_ERROR(-602, "获取access_token失败"),
    WEIXIN_FETCH_USERINFO_ERROR(-603, "获取用户信息失败");

    //响应状态码
    private  Integer code;
    //响应信息
    private  String message;
}

@Data
public class R {

    private Integer code;

    private String message;

    private Map<String, Object> data = new HashMap();

    /**
     * 构造器私有
     */
    private R(){}

    /**
     * 返回成功
     */
    public static R ok(){
        R r = new R();
        r.setCode(ResponseEnum.SUCCESS.getCode());
        r.setMessage(ResponseEnum.SUCCESS.getMessage());
        return r;
    }

    /**
     * 返回失败
     */
    public static R error(){
        R r = new R();
        r.setCode(ResponseEnum.ERROR.getCode());
        r.setMessage(ResponseEnum.ERROR.getMessage());
        return r;
    }

    /**
     * 设置特定结果
     */
    public static R setResult(ResponseEnum responseEnum){
        R r = new R();
        r.setCode(responseEnum.getCode());
        r.setMessage(responseEnum.getMessage());
        return r;
    }

    public R message(String message){
        this.setMessage(message);
        return this;
    }

    public R code(Integer code){
        this.setCode(code);
        return this;
    }

    public R data(String key, Object value){
        this.data.put(key, value);
        return this;
    }

    public R data(Map<String, Object> map){
        this.setData(map);
        return this;
    }
}

@ApiOperation("积分等级列表")
@GetMapping("/list")
public R listAll(){
    List<IntegralGrade> list = integralGradeService.list();
    return R.ok().data("list", list);
}

@ApiOperation(value = "根据id删除积分等级", notes="逻辑删除")
@DeleteMapping("/remove/{id}")
public R removeById(
    @ApiParam(value = "数据id", required = true, example = "1")
    @PathVariable Long id){
    boolean result = integralGradeService.removeById(id);
    if(result){
        //return R.setResult(ResponseEnum.UPLOAD_ERROR);
        return R.ok().message("删除成功");
    }else{
        return R.error().message("删除失败");
    }
}

@ApiOperation("新增积分等级")
@PostMapping("/save")
public R save(
    @ApiParam(value = "积分等级对象", required = true)
    @RequestBody IntegralGrade integralGrade){
    boolean result = integralGradeService.save(integralGrade);
    if (result) {
        return R.ok().message("保存成功");
    } else {
        return R.error().message("保存失败");
    }
}

@ApiOperation("根据id获取积分等级")
@GetMapping("/get/{id}")
public R getById(
    @ApiParam(value = "数据id", required = true, example = "1")
    @PathVariable Long id
    ){
        IntegralGrade integralGrade = integralGradeService.getById(id);
        if(integralGrade != null){
            return R.ok().data("record", integralGrade);
        }else{
            return R.error().message("数据不存在");
        }
}

@ApiOperation("更新积分等级")
@PutMapping("/update")
public R updateById(
    @ApiParam(value = "积分等级对象", required = true)
    @RequestBody IntegralGrade integralGrade){
    boolean result = integralGradeService.updateById(integralGrade);
    if(result){
        return R.ok().message("修改成功");
    }else{
        return R.error().message("修改失败");
    }
}