统一异常拦截处理

/**
 * 统一异常拦截处理
 * 可以针对异常的类型进行捕获，然后返回json信息到前端
 */
@ControllerAdvice
public class GraceExceptionHandler {

    @ExceptionHandler(MyCustomException.class)
    @ResponseBody
    public JSONResult returnMyException(MyCustomException e) {
        e.printStackTrace();
        return JSONResult.exception(e.getResponseStatusEnum());
    }

    @ExceptionHandler(MaxUploadSizeExceededException.class)
    @ResponseBody
    public JSONResult returnMaxUploadSizeExceededException(MaxUploadSizeExceededException e) {
        return JSONResult.errorCustom(ResponseStatusEnum.FILE_MAX_SIZE_ERROR);
    }

}