全局异常、参数自定义校验异常拦截

GlobalExceptionHandler 全局异常

/**
 * @Description: 全局的的异常拦截器（拦截所有的控制器）
 */
@RestControllerAdvice
@Order(-1)
@Slf4j
public class GlobalExceptionHandler {

    /**
     * 所有异常信息
     *
     * @param exception
     * @return
     * @throws Exception
     */
    @ResponseStatus(HttpStatus.BAD_REQUEST)
    @ExceptionHandler(Exception.class)
    public Result<?> exceptionHandler(Exception exception) {
        log.error("exceptionHandle [{}]", exception.toString());
        if (exception instanceof LoginToException){
            exception.printStackTrace();
            return Result.error(((LoginToException) exception).getMessageCode(), exception.getMessage());
        }
        exception.printStackTrace();
        return Result.error(ReturnCode.OTHER_ERROR.getCode(), exception.getMessage());
    }

    @ExceptionHandler(DuplicateKeyException.class)
    public Result<?> handleDuplicateKeyException(DuplicateKeyException e) {
        log.error(e.getMessage(), e);
        return Result.error("数据库中已存在该记录");
    }

    @ExceptionHandler(AuthenticationException.class)
    public Result<?> authenticationExceptionException(DuplicateKeyException e) {
        log.error(e.getMessage(), e);
        return Result.error("Token已失效");
    }


    @ExceptionHandler(MethodArgumentNotValidException.class)
    public Result<?> methodArgumentNotValidException(MethodArgumentNotValidException e) {
        log.error(e.getMessage(), e);
        List<Map<String, Object>> list = new ArrayList<>();
        List<FieldError> errorList = e.getBindingResult().getFieldErrors();
        errorList.forEach(fieldError -> {
            Map<String, Object> map = new HashMap<>();
            map.put(fieldError.getField(), fieldError.getDefaultMessage());
            list.add(map);
        });
        return Result.error(HttpStatus.EXPECTATION_FAILED.value(), "参数异常", list);
    }

    @ExceptionHandler(ValidationException.class)
    public Result<?> validationException(ValidationException e) {
        log.error(e.getMessage(), e);
        return Result.error("参数异常");
    }

}

Result返回类



import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import lombok.Getter;
import lombok.Setter;
import org.slf4j.MDC;
import org.springframework.http.HttpStatus;


@Getter
@Setter
@ApiModel(value = "Result", description = "返回结果对象")
public class Result<T> {
    /**
     * 成功标志
     */
    @ApiModelProperty(value = "成功标志")
    private boolean success = true;

    /**
     * 返回处理消息
     */
    @ApiModelProperty(value = "返回处理消息")
    private String message = "操作成功！";

    /**
     * 返回代码
     */
    @ApiModelProperty(value = "返回代码")
    private Integer code = 0;

    /**
     * 返回数据对象 data
     */
    @ApiModelProperty(value = "返回数据对象")
    private T result;

    /**
     * 时间戳
     */
    @ApiModelProperty(value = "时间戳")
    private long timestamp = System.currentTimeMillis();

    /**
     * 请求日志跟踪ID
     */
    @ApiModelProperty(value = "日志跟踪ID")
    private  String traceId= MDC.get("TRACE_ID");

    public Result() {

    }

    public Result<T> success(String message) {
        this.message = message;
        this.code = HttpStatus.OK.value();
        this.success = true;
        return this;
    }

    public static<T> Result<T> OK() {
        Result<T> r = new Result<T>();
        r.setSuccess(true);
        r.setCode(HttpStatus.OK.value());
        r.setMessage("成功");
        return r;
    }

    public static<T> Result<T> OK(ReturnCode returnCode) {
        Result<T> r = new Result<T>();
        r.setSuccess(true);
        r.setCode(HttpStatus.OK.value());
        r.setMessage(returnCode.getMsg());
        r.setResult(null);
        return r;
    }

    public static<T> Result<T> Error(ReturnCode returnCode) {
        Result<T> r = new Result<T>();
        r.setSuccess(false);
        r.setCode(returnCode.getCode());
        r.setMessage(returnCode.getMsg());
        r.setResult(null);
        return r;
    }

    public static<T> Result<T> Error(ReturnCode returnCode,T data) {
        Result<T> r = new Result<T>();
        r.setSuccess(false);
        r.setCode(returnCode.getCode());
        r.setMessage(returnCode.getMsg());
        r.setResult(data);
        return r;
    }

    public static<T> Result<T> OK(T data) {
        Result<T> r = new Result<T>();
        r.setSuccess(true);
        r.setCode(HttpStatus.OK.value());
        r.setResult(data);
        return r;
    }

    public static<T> Result<T> OK(String msg, T data) {
        Result<T> r = new Result<T>();
        r.setSuccess(true);
        r.setCode(HttpStatus.OK.value());
        r.setMessage(msg);
        r.setResult(data);
        return r;
    }

    public static Result<Object> error(String msg) {
        return error(HttpStatus.EXPECTATION_FAILED.value(), msg);
    }

    public static Result<Object> error(int code, String msg) {
        Result<Object> r = new Result<Object>();
        r.setCode(new Integer(code));
        r.setMessage(msg);
        r.setSuccess(false);
        return r;
    }

    public static Result<Object> error(Integer code, String msg) {
        Result<Object> r = new Result<Object>();
        r.setCode(code);
        r.setMessage(msg);
        r.setSuccess(false);
        return r;
    }
    public static Result<Object> error(int code, String msg, Object data) {
        Result<Object> r = new Result<Object>();
        r.setCode(code);
        r.setMessage(msg);
        r.setSuccess(false);
        r.setResult(data);
        return r;
    }

    public Result<T> error500(String message) {
        this.message = message;
        this.code = HttpStatus.EXPECTATION_FAILED.value();
        this.success = false;
        return this;
    }
    /**
     * 无权限访问返回结果
     */
    public static Result<Object> noauth(String msg) {
        return error(HttpStatus.NON_AUTHORITATIVE_INFORMATION.value(), msg);
    }

}

ValidatedGroup 分组校验类

/**
 * 接口参数校验组对象
 */
public class ValidatedGroup {

    /**
     * 新增操作校验组
     */
    public interface AddGroup{};

    /**
     * 更新操作校验组
     */
    public interface UpdateGroup{};

    /**
     * 查询操作校验组
     */
    public interface QueryGroup{};
}

请求参数类