## 路由表達式緩存 It’s possible to enable router cache via`RouteCollector::setCacheFile()`. See examples below: > 可以通過`RouteCollector::setCacheFile()`來啟用路由器緩存。請參見下面的例子: ~~~php <?php use Slim\Factory\AppFactory; require __DIR__ . '/../vendor/autoload.php'; $app = AppFactory::create(); /** *要生成路由緩存數據，需要將文件設置為可寫目錄中不存在的文件。 *在第一次運行時生成文件后，只需要文件的讀權限。 *您可能需要在開發環境中生成此文件，并在部署之前將其轉換到您的項目中 *如果您對緩存文件所在的目錄沒有寫權限，那么緩存文件將駐留在部署到的服務器上 * To generate the route cache data, you need to set the file to one that does not exist in a writable directory. * After the file is generated on first run, only read permissions for the file are required. * * You may need to generate this file in a development environment and comitting it to your project before deploying * if you don't have write permissions for the directory where the cache file resides on the server it is being deployed to */ $routeCollector = $app->getRouteCollector(); $routeCollector->setCacheFile('/path/to/cache.file'); ~~~