src/main/java/com/mty/cc/exception/MtyExceptionResolver.java

微信扫码关注公众号，代码整理好后第一时间通知你。

package com.mty.cc.exception;

import org.springframework.web.servlet.HandlerExceptionResolver;
import org.springframework.web.servlet.ModelAndView;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class MtyExceptionResolver implements HandlerExceptionResolver {

    @Override
    public ModelAndView resolveException(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception ex) {
        // 获取到异常对象
        MtyException e = null;
        if(ex instanceof MtyException){
            e = (MtyException)ex;
        }else{
            e = new MtyException("系统出错，请重试....");
        }
        // 创建ModelAndView对象
        ModelAndView mv = new ModelAndView();
        mv.addObject("errorMsg",e.getMessage());
        mv.setViewName("common/404");
        return mv;
    }


}