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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ## 6 速率限制 請求速率限制,根據api_key或者用戶來判斷某段時間的請求次數,將該數據更新到內存數據庫(redis,memcached),達到最大數即不接受該用戶的請求,同時這樣還可以利用到內存數據庫key在特定時間自動過期的特性。在[php](http://blog.nsfocus.net/tag/php/ "php")中可以使用APC,Alternative[PHP](http://blog.nsfocus.net/tag/php/ "php")?Cache (APC) 是一個開放自由的[PHP](http://blog.nsfocus.net/tag/php/ "php")?opcode 緩存。它的目標是提供一個自由、 開放,和健全的框架用于緩存和優化[PHP](http://blog.nsfocus.net/tag/php/ "php")的中間代碼。在返回時設置X-Rate-Limit-Reset:當前時間段剩余秒數,APC的示例代碼如下: 代碼。在返回時設置X-Rate-Limit-Reset:當前時間段剩余秒數,APC的示例代碼如下: ~~~ Route::filter('api.limit', function() { $key = sprintf('api:%s', Auth::user()->api_key); // Create the key if it doesn't exist Cache::add($key, 0, 60); // Increment by 1 $count = Cache::increment($key); // Fail if hourly requests exceeded if ($count > Config::get('api.requests_per_hour')) { App::abort(403, 'Hourly request limit exceeded'); } }); ~~~
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