<?php // +---------------------------------------------------------------------- // | likeshop开源商城系统 // +---------------------------------------------------------------------- // | 欢迎阅读学习系统程序代码,建议反馈是我们前进的动力 // | gitee下载:https://gitee.com/likeshop_gitee // | github下载:https://github.com/likeshop-github // | 访问官网:https://www.likeshop.cn // | 访问社区:https://home.likeshop.cn // | 访问手册:http://doc.likeshop.cn // | 微信公众号:likeshop技术社区 // | likeshop系列产品在gitee、github等公开渠道开源版本可免费商用,未经许可不能去除前后端官方版权标识 // | likeshop系列产品收费版本务必购买商业授权,购买去版权授权后,方可去除前后端官方版权标识 // | 禁止对系统程序代码以任何目的,任何形式的再发布 // | likeshop团队版权所有并拥有最终解释权 // +---------------------------------------------------------------------- // | author: likeshop.cn.team // +---------------------------------------------------------------------- namespace app\common\cache; use think\facade\Cache; abstract class CacheBase { protected $tag; protected $extend; protected $name; public function __construct($key = '', $extend = []) { $this->tag = $this->setTag(); $this->name = $this->tag . '_' . $key; $this->extend = $extend; } public abstract function setTag(); /** * 子类实现查出数据 * @return mixed */ public abstract function setData(); /** * 创建并获取数据 * @param null $expire * @return mixed */ public function set($expire = null) { $data = self::cacheGet($this->name); if ($data !== false) { return $data; } $data = $this->setData(); self::cacheSet($this->name, $data, $expire); return $data; } /** * User: 意象信息科技 lr * Desc: 获取数据 * @return mixed */ public function get() { return self::cacheGet($this->name); } /** * 判断数据是否为空 * @return bool */ public function isEmpty() { $data = self::cacheGet($this->name); if ($data !== false) { return false; } return true; } /** * 删除数据 * @return bool */ public function del() { if (self::isEmpty()) { return true; } return self::cacheRm($this->name); } public function delAll() { return Cache::clear($this->tag); } /** * 刷新并获取 * @return mixed */ public function refresh() { $this->del(); return $this->set(); } protected function cacheSet($name, $value, $expire = null) { Cache::tag($this->tag)->set($name, $value, $expire); } protected function cacheRm($name) { return Cache::delete($name); } protected function cacheGet($name, $default = false) { return Cache::get($name, $default); } }