@Data
public class EmployeeCheckException extends RuntimeException
{
    private int code;

    private String msg;

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

    public EmployeeCheckException(String msg)
    {
        this.code = DATA_PARAM_FAIL_CODE;
        this.msg = msg;
    }
}

@RestControllerAdvice

@Slf4j

public class GlobalExceptionHandler

{

    /**

     * 异常处理方法,可以自定义异常

     * @param request 请求

     * @param e       异常

     * @return  错误提醒

     */

    @ResponseBody

    @ExceptionHandler(value = Exception.class)

    public String defaultErrorHandler(HttpServletRequest request, Exception e)

    {

        //输入参数不满足约束

        if(e instanceof MethodArgumentNotValidException)

        {

            e.printStackTrace();

            BindingResult result = ((MethodArgumentNotValidException) e).getBindingResult();

            return ResponseJsonUtil.returnJson(result.getAllErrors().get(0).getDefaultMessage(), PsiInfo.BAD_REQUEST.code);

        }

        else if(e instanceof IllegalArgumentException)

        {

            e.printStackTrace();

            return ResponseJsonUtil.returnJson(e.getMessage(), PsiInfo.BAD_REQUEST.code);

        }

        else if(e instanceof EmployeeCheckException)

        {

            return ResponseJsonUtil.returnJson(((EmployeeCheckException)e).getMsg(), ((EmployeeCheckException) e).getCode());

        }

        else

        {

            e.printStackTrace();

            return ResponseJsonUtil.returnJson(PsiInfo.ERROR.name, PsiInfo.ERROR.code);

        }

    }

}