SpringMVC 全局异常 处理校验异常的情况

package com.tianqiauto.config;

import com.tianqiauto.base.core.Result;
import com.tianqiauto.base.core.ResultGenerator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.ResponseStatus;

import java.util.Iterator;
import java.util.List;

import static com.tianqiauto.base.core.ErrorCode.CHECK_ERROR;

/**
 * @Description 全局异常处理器
 * @Author wjx
 **/
@ControllerAdvice
public class ControllerExceptionHandler {

    private final Logger logger = LoggerFactory.getLogger(ControllerExceptionHandler.class);

    @ExceptionHandler({MethodArgumentNotValidException.class})
    @ResponseStatus(HttpStatus.OK)
    @ResponseBody
    public Result handlerMyException(MethodArgumentNotValidException ex) {
        this.logger.error("MethodArgumentNotValidException ，Message:{}", ex.getMessage());
        List<FieldError> errors = ex.getBindingResult().getFieldErrors();
        StringBuilder message = new StringBuilder();
        message.append(CHECK_ERROR.getMessage() + " ");
        Iterator var4 = errors.iterator();
        while(var4.hasNext()) {
            FieldError error = (FieldError)var4.next();
            message.append(error.getDefaultMessage() + "  ");
        }
        Result result = ResultGenerator.genFailResult(CHECK_ERROR.getCode(), message.toString());
        return result;
    }
}