实现请求缓存1天。

vendor/symfony/cache/Adapter/FilesystemAdapter.php

@@ -0,0 +1,29 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Cache\Adapter;
+
+use Symfony\Component\Cache\Marshaller\DefaultMarshaller;
+use Symfony\Component\Cache\Marshaller\MarshallerInterface;
+use Symfony\Component\Cache\PruneableInterface;
+use Symfony\Component\Cache\Traits\FilesystemTrait;
+
+class FilesystemAdapter extends AbstractAdapter implements PruneableInterface
+{
+    use FilesystemTrait;
+
+    public function __construct(string $namespace = '', int $defaultLifetime = 0, ?string $directory = null, ?MarshallerInterface $marshaller = null)
+    {
+        $this->marshaller = $marshaller ?? new DefaultMarshaller();
+        parent::__construct('', $defaultLifetime);
+        $this->init($namespace, $directory);
+    }
+}