spring全局异常抓取validation校验信息

@ControllerAdvice
public class GlobalExceptionHandler {

    @ExceptionHandler({Exception.class})
    @ResponseBody
    public Object exception(Exception e, HttpServletRequest request, HttpServletResponse response) {

        //参数校验get
        if(e instanceof ConstraintViolationException){
            StringBuffer sb = new StringBuffer();
            ConstraintViolationException exs = (ConstraintViolationException)e;
            Set<ConstraintViolation<?>> violations = exs.getConstraintViolations();
            for(ConstraintViolation<?> item:violations){
                sb.append(item.getMessage()+"/");
            }
            return new BaseRespBackEnd(101,"请求参数错误",sb.toString());
        }

        //参数校验post
        if(e instanceof MethodArgumentNotValidException){
            MethodArgumentNotValidException exs = (MethodArgumentNotValidException)e;
            BindingResult bindingResult = exs.getBindingResult();
            StringBuffer sb = new StringBuffer();
            for(FieldError fieldError :bindingResult.getFieldErrors()){
                sb.append(fieldError.getDefaultMessage()+"/");
            }
            return new BaseRespBackEnd(101,"请求参数错误",sb.toString());
        }
    }
}