package com.resolver;

import org.springframework.web.servlet.HandlerExceptionResolver;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class MyExceptionResolver implements HandlerExceptionResolver {
    public ModelAndView resolveException(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) {
        ModelAndView modelAndView=new ModelAndView();
        if(e instanceof ClassCastException){
            modelAndView.addObject("exception","类转换异常");
        }else if(e instanceof RuntimeException){
            modelAndView.addObject("exception","运行时异常");
        }
        modelAndView.setViewName("error");
        return modelAndView;
    }
}