laravel中间件

1.StudentController下创建两个方法：

    public function activity1() {
        return 'activity1！';
    }

    public function activity2() {
        return 'activity2~';
    }

2.创建中间件文件，中间件文件路径：app\Http\Middleware

namespace App\Http\Middleware;

use Closure;

class Activity
{

    public function handle($request, Closure $next) {
        if(time() < strtotime('2022-01-10')) {
            return redirect('activity1');
        }
        
        echo "前置操作
";
        
        //传递参数
        $response = $next($request);
        
        echo $response;
        
        echo  "
后置操作";

    }

}

3.注册中间件，注册中间件文件为：app\Http\Kernel.php

//$routeMiddleware中增加配置信息：
'activity' => \App\Http\Middleware\Activity::class,

4.设置路由：

Route::group(['middleware'=>['activity']], function() {
    Route::any('activity1',['uses'=>'StudentController@activity1']);
    Route::any('activity2',['uses'=>'StudentController@activity2']);
});

更多请查看laravel手册：https://learnku.com/docs/laravel/8.x/middleware/9366

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