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spring mvc + @Valid +@RequestBody 来做参数校验返回400，并且不显示具体message 如何解决

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时间2018年7月5日14:44:07

@ControllerAdvice
public class ExceptionHandlerController {
    private static Logger logger = LoggerFactory.getLogger(ExceptionHandlerController.class);
    @ExceptionHandler(value = {Exception.class})
    public ResponseEntity hadlerException(final Exception ex, final WebRequest req){
        Map<String,String> errorMap = new HashMap<>();
        logger.error("拦截异常-",ex);
        //参数错误
        if(ex instanceof MethodArgumentNotValidException){
            BindingResult result = ((MethodArgumentNotValidException) ex).getBindingResult();
            wrapperError(result,errorMap);
            return new ResponseEntity<Object>(errorMap, HttpStatus.OK);
        //其他错误
        errorMap.put("401","系统错误,请稍后再试");
        return new ResponseEntity<Object>(errorMap, HttpStatus.OK);
    private void wrapperError(BindingResult result,Map<String,String> errorMap){
        List<ObjectError> list = result.getAllErrors();
        String eMsg = "";
        if(list.size() > 0){
            eMsg = list.get(0).getDefaultMessage();
        errorMap.put("code","102");
        errorMap.put("msg",eMsg);