增加接口类 规范驱动扩展

library/think/cache/driver/CacheInterface.php

@@ -0,0 +1,50 @@
+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006~2016 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: liu21st <liu21st@gmail.com>
+// +----------------------------------------------------------------------
+
+namespace think\cache\driver;
+
+interface CacheInterface
+{
+
+    /**
+     * 读取缓存
+     * @access public
+     * @param string $name 缓存变量名
+     * @return mixed
+     */
+    public function get($name);
+
+    /**
+     * 写入缓存
+     * @access public
+     * @param string $name 缓存变量名
+     * @param mixed $value  存储数据
+     * @param int $expire  有效时间 0为永久
+     * @return boolean
+     */
+    public function set($name, $value, $expire = null);
+
+    /**
+     * 删除缓存
+     * @access public
+     * @param string $name 缓存变量名
+     * @return boolean
+     */
+    public function rm($name);
+
+    /**
+     * 清除缓存
+     * @access public
+     * @return boolean
+     */
+    public function clear();
+
+}