springboot2.0自定义异常页面

springboot2.0自定义异常页面，记之，有用！

package com.ramboo.wooyun.controller;
import org.springframework.boot.web.servlet.error.ErrorController;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import javax.servlet.http.HttpServletRequest;

/**
 * 自定义错误页面
 *
 * @author:ramboo
 * @created 2019-05-12 7:54
 */
@Controller
public class MyErrorController implements ErrorController {

    @RequestMapping("/error")
    public String handleError(HttpServletRequest request){
        Integer statusCode = (Integer) request.getAttribute("javax.servlet.error.status_code");
        if(statusCode == 401){
            return "redirect:/index";
        }else if(statusCode == 404){
            return "redirect:/index";
        }else if(statusCode == 403){
            return "redirect:/index";
        }else{
            return "redirect:/index";
        }
    }

    @Override
    public String getErrorPath() {
        return "/error";
    }
}