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100 lines
2.7 KiB
PHP
100 lines
2.7 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | ThinkCache
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006-2012 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace think\cache\driver;
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/**
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* 文件类型缓存类
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* @author liu21st <liu21st@gmail.com>
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*/
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class Simple {
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protected $options = [
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'prefix' => '',
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'temp' => '',
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];
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/**
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* 架构函数
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* @access public
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*/
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public function __construct($options=[]) {
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if(!empty($options)) {
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$this->options = array_merge($this->options,$options);
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}
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if(substr($this->options['temp'], -1) != '/') $this->options['temp'] .= '/';
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}
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/**
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* 取得变量的存储文件名
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* @access private
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* @param string $name 缓存变量名
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* @return string
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*/
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private function filename($name) {
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return $this->options['temp'].$this->options['prefix'].md5($name).'.php';
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}
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/**
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* 读取缓存
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* @access public
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* @param string $name 缓存变量名
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* @return mixed
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*/
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public function get($name) {
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$filename = $this->filename($name);
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if (is_file($filename)) {
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return include $filename;
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}else{
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return false;
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}
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}
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/**
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* 写入缓存
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* @access public
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* @param string $name 缓存变量名
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* @param mixed $value 存储数据
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* @param int $expire 有效时间 0为永久
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* @return boolen
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*/
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public function set($name,$value,$expire=null) {
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$filename = $this->filename($name);
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// 缓存数据
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$dir = dirname($filename);
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// 目录不存在则创建
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//if (!is_dir($dir))
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// mkdir($dir,0755,true);
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return file_put_contents($filename, ("<?php\treturn " . var_export($value, true) . ";?>"));
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}
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/**
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* 删除缓存
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* @access public
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* @param string $name 缓存变量名
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* @return boolen
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*/
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public function rm($name) {
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return unlink($this->filename($name));
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}
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/**
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* 清除缓存
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* @access public
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* @param string $name 缓存变量名
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* @return boolen
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*/
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public function clear() {
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$filename = $this->filename('*');
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array_map("unlink", glob($filename));
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}
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}
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