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Home PHP Framework Laravel How to implement middleware jump in Laravel 5.4

How to implement middleware jump in Laravel 5.4

Apr 23, 2023 am 09:16 AM

Before Laravel 5.4, we could use middleware to implement the jump function. However, Laravel 5.4 middleware is implemented differently. In this article, we will discuss how to implement middleware jumps in Laravel 5.4.

1. Implement middleware jump in Laravel 5.4

In Laravel 5.4, we can use the redirect() function and with() function to implement middleware jump. Let's look at an example:

  1. Create a log middleware

In the app/Http/Middleware directory, create a LogMiddleware.php file with the following content:

<?php

namespace App\Http\Middleware;

use Closure;
use Illuminate\Support\Facades\Log;

class LogMiddleware
{
    public function handle($request, Closure $next)
    {
        Log::info(&#39;LogMiddleware&#39;);
        return $next($request);
    }
}

The above code creates a middleware named LogMiddleware and records a log in the handle function.

  1. Create an authorization middleware

In the app/Http/Middleware directory, create an AuthMiddleware.php file with the following content:

<?php

namespace App\Http\Middleware;

use Closure;

class AuthMiddleware
{
    public function handle($request, Closure $next)
    {
        if (!auth()->check())?{
????????????return?redirect('/login')->with('error',?'請先登錄!');
????????}

????????return?$next($request);
????}
}

Above The code creates a middleware named AuthMiddleware, which determines whether the user is logged in in the handle function. If not, jumps to the login page and saves the error information to the session.

  1. Register the middleware into the route

In the routes/web.php file, register the route and middleware, the code is as follows:

Route::get('/dashboard',?function?()?{
????return?view('dashboard');
})->middleware([LogMiddleware::class,?AuthMiddleware::class]);

The above code creates a route named dashboard. In the dashboard route, LogMiddleware and AuthMiddleware middleware are used.

  1. Implementing middleware jump

When you directly access the http://yourdomain/dashboard page, it will automatically jump to http://yourdomain/login, and There is error information saved in the session.

2. Summary

In Laravel 5.4, we can use the redirect() function and the with() function to implement middleware jumps. Through the above steps, we successfully implemented a middleware jump function. Hope this article can be helpful to you!

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