1、自定义一个Controller需要实现ErrorController接口,重写handleError方法。
import org.springframework.boot.autoconfigure.web.ErrorController
import org.springframework.stereotype.Controller
import org.springframework.web.bind.annotation.RequestMapping
import javax.servlet.http.HttpServletRequest
@Controller
class MyException implements ErrorController {
@RequestMapping("/error")
public String handleError(HttpServletRequest request){
//获取statusCode:401,404,500
Integer statusCode = (Integer) request.getAttribute("javax.servlet.error.status_code")
if(statusCode == 401){
return "/401"
}else if(statusCode == 404){
return "/404"
}else if(statusCode == 403){
return "/403"
}else{
return "/500"
}
}
@Override
public String getErrorPath() {
return "/error"
}
}
说明:当发生异常时候,会自动进入相应的错误码的方法