我如何在Spring Boot / MVC中创建错误处理程序（404、500…）

您可以尝试以下代码：

@ControllerAdvicepublic class ExceptionController {    @ExceptionHandler(Exception.class)    public ModelAndView handleError(HttpServletRequest request, Exception e)   {        Logger.getLogger(getClass().getName()).log(Level.SEVERE, "Request: " + request.getRequestURL() + " raised " + e);        return new ModelAndView("error");    }    @ExceptionHandler(NoHandlerFoundException.class)    public ModelAndView handleError404(HttpServletRequest request, Exception e)   {        Logger.getLogger(getClass().getName()).log(Level.SEVERE, "Request: " + request.getRequestURL() + " raised " + e);        return new ModelAndView("404");    }}