+ [refac] add cache module to manage configuration of cache.

module/cache/model.php

@@ -0,0 +1,29 @@
+<?php
+declare(strict_types=1);
+/**
+ * The model file of cache module of ZenTaoPMS.
+ *
+ * @copyright   Copyright 2009-2024 禅道软件（青岛）有限公司(ZenTao Software (Qingdao) Co., Ltd. www.zentao.net)
+ * @license     ZPL(https://zpl.pub/page/zplv12.html) or AGPL(https://www.gnu.org/licenses/agpl-3.0.en.html)
+ * @author      Gang Liu <liugang@chandao.com>
+ * @package     cache
+ * @link        https://www.zentao.net
+ */
+class cacheModel extends model
+{
+    /**
+     * 清空缓存。
+     * Clear the cache.
+     *
+     * @access public
+     * @return void
+     */
+    public function clear()
+    {
+        /* Redis 采用遍历删除的方式，所以需要先关闭缓存，清空之后再打开。Redis uses the method of traversing deletion, so you need to turn off the cache first, clear it, and then turn it on. */
+        $needStop = $this->config->cache->driver == 'redis';
+        if($needStop) $this->loadModel('setting')->setItem('system.common.cache.enable', 0);
+        $this->mao->clear();
+        if($needStop) $this->setting->setItem('system.common.cache.enable', 1);
+    }
+}