laravel 419 | Page Expired页面问题

末路伯爵

在laravel项目中,表单正常操作时无异常,页面打开后长时间未操作,再次提交表单时,页面显示 “419 | Page Expired”错误。解决方式如下:

<?php

namespace App\Exceptions;

use Exception;
use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
use Illuminate\Session\TokenMismatchException;

class Handler extends ExceptionHandler
{
    /**
     * A list of the exception types that are not reported.
     *
     * @var array
     */
    protected $dontReport = [
        //
        InvalidRequestException::class,
    ];

    /**
     * A list of the inputs that are never flashed for validation exceptions.
     *
     * @var array
     */
    protected $dontFlash = [
        'password',
        'password_confirmation',
    ];

    /**
     * Report or log an exception.
     *
     * @param  \Exception  $exception
     * @return void
     */
    public function report(Exception $exception)
    {
        parent::report($exception);
    }

    /**
     * Render an exception into an HTTP response.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Exception  $exception
     * @return \Illuminate\Http\Response
     */
    public function render($request, Exception $exception)
    {

//         return parent::render($request, $exception);
        if (!$request->ajax() && ($exception instanceof TokenMismatchException)) {
            return redirect()
            ->back()
            ->withErrors('页面已过期 ,请刷新再试') // 错误提示信息
            ->withInput($request->input()); // 可选
        }
        
        return parent::render($request, $exception);
    }
}
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