CORS是什麼? CORS( Cross-Origin Resource Sharing )簡單來說就是跨網站資源存取,出於安全性必須要在伺服端加入 header 這樣 javascript 的請求才不會被封鎖 PHP 寫法 <?php header('Access-Control-Allow-Origin: *'); header('Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS'); header('Access-Control-Allow-Headers: X-Requested-With, Content-Type, Accept'); // code here Laravel 寫法 建立中間件 $ php artisan make:middleware Cors Cors.php <?php namespace App\Http\Middleware; use Closure; class Cors { /** * Handle an incoming request. * * @param \Illuminate\Http\Request $request * @param \Closure $next * @return mixed */ public function handle($request, Closure $next) { return $next($request) ->header('Access-Control-Allow-Origin' , '*') ->header('Access-Control-Allow-Methods', 'POST, GET, OPTIONS, PUT, DELETE') ->header('Access-Control-Allow-Headers', 'Content-Type...