实现请求缓存1天。

vendor/symfony/cache/Traits/ProxyTrait.php

@@ -0,0 +1,43 @@
+<?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\Traits;
+
+use Symfony\Component\Cache\PruneableInterface;
+use Symfony\Contracts\Service\ResetInterface;
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ *
+ * @internal
+ */
+trait ProxyTrait
+{
+    private $pool;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function prune()
+    {
+        return $this->pool instanceof PruneableInterface && $this->pool->prune();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function reset()
+    {
+        if ($this->pool instanceof ResetInterface) {
+            $this->pool->reset();
+        }
+    }
+}