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77 lines
2.4 KiB
PHTML
77 lines
2.4 KiB
PHTML
5 years ago
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<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006-2014 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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use Think\Cache;
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defined('THINK_PATH') or exit();
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/**
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* Eaccelerator缓存驱动
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*/
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class Eaccelerator extends Cache {
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/**
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* 架构函数
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* @param array $options 缓存参数
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* @access public
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*/
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public function __construct($options=array()) {
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$this->options['expire'] = isset($options['expire'])? $options['expire'] : C('DATA_CACHE_TIME');
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$this->options['prefix'] = isset($options['prefix'])? $options['prefix'] : C('DATA_CACHE_PREFIX');
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$this->options['length'] = isset($options['length'])? $options['length'] : 0;
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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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N('cache_read',1);
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return eaccelerator_get($this->options['prefix'].$name);
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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 integer $expire 有效时间（秒）
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* @return boolean
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*/
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public function set($name, $value, $expire = null) {
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N('cache_write',1);
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if(is_null($expire)) {
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$expire = $this->options['expire'];
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}
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$name = $this->options['prefix'].$name;
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eaccelerator_lock($name);
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if(eaccelerator_put($name, $value, $expire)) {
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if($this->options['length']>0) {
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// 记录缓存队列
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$this->queue($name);
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}
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return true;
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}
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return false;
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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 $name 缓存变量名
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* @return boolean
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*/
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public function rm($name) {
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return eaccelerator_rm($this->options['prefix'].$name);
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}
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}
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