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Signed-off-by: j502647092 <jtb1@163.com>
2025-11-24 21:26:09 +00:00 · 2015-11-01 22:25:03 +08:00
commit 2003fda7cb
409 changed files with 77938 additions and 0 deletions
--- a/ThinkPHP/Library/Think/Cache/Driver/Memcachesae.class.php
+++ b/ThinkPHP/Library/Think/Cache/Driver/Memcachesae.class.php
@@ -0,0 +1,144 @@
+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006-2012 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: liu21st <liu21st@gmail.com>
+// +----------------------------------------------------------------------
+namespace Think\Cache\Driver;
+use Think\Cache;
+
+defined('THINK_PATH') or exit();
+/**
+ * Memcache缓存驱动
+ * @category   Extend
+ * @package  Extend
+ * @subpackage  Driver.Cache
+ * @author    liu21st <liu21st@gmail.com>
+ */
+class Memcachesae extends Cache {
+
+    /**
+     * 架构函数
+     * @param array $options 缓存参数
+     * @access public
+     */
+    function __construct($options=array()) {
+        $options = array_merge(array (
+            'host'        =>  C('MEMCACHE_HOST') ? : '127.0.0.1',
+            'port'        =>  C('MEMCACHE_PORT') ? : 11211,
+            'timeout'     =>  C('DATA_CACHE_TIMEOUT') ? : false,
+            'persistent'  =>  false,
+        ),$options);
+
+        $this->options      =   $options;
+        $this->options['expire'] =  isset($options['expire'])?  $options['expire']  :   C('DATA_CACHE_TIME');
+        $this->options['prefix'] =  isset($options['prefix'])?  $options['prefix']  :   C('DATA_CACHE_PREFIX');
+        $this->options['length'] =  isset($options['length'])?  $options['length']  :   0;
+         $this->handler      =  memcache_init();//[sae] 下实例化
+        //[sae] 下不用链接
+        $this->connected=true;
+    }
+
+    /**
+     * 是否连接
+     * @access private
+     * @return boolean
+     */
+    private function isConnected() {
+        return $this->connected;
+    }
+
+    /**
+     * 读取缓存
+     * @access public
+     * @param string $name 缓存变量名
+     * @return mixed
+     */
+    public function get($name) {
+        N('cache_read',1);
+        return $this->handler->get($_SERVER['HTTP_APPVERSION'].'/'.$this->options['prefix'].$name);
+    }
+
+    /**
+     * 写入缓存
+     * @access public
+     * @param string $name 缓存变量名
+     * @param mixed $value  存储数据
+     * @param integer $expire  有效时间（秒）
+     * @return boolean
+     */
+    public function set($name, $value, $expire = null) {
+        N('cache_write',1);
+        if(is_null($expire)) {
+            $expire  =  $this->options['expire'];
+        }
+        $name   =   $this->options['prefix'].$name;
+        if($this->handler->set($_SERVER['HTTP_APPVERSION'].'/'.$name, $value, 0, $expire)) {
+            if($this->options['length']>0) {
+                // 记录缓存队列
+                $this->queue($name);
+            }
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * 删除缓存
+     * @access public
+     * @param string $name 缓存变量名
+     * @return boolean
+     */
+    public function rm($name, $ttl = false) {
+        $name   =   $_SERVER['HTTP_APPVERSION'].'/'.$this->options['prefix'].$name;
+        return $ttl === false ?
+            $this->handler->delete($name) :
+            $this->handler->delete($name, $ttl);
+    }
+
+    /**
+     * 清除缓存
+     * @access public
+     * @return boolean
+     */
+    public function clear() {
+        return $this->handler->flush();
+    }
+
+    /**
+     * 队列缓存
+     * @access protected
+     * @param string $key 队列名
+     * @return mixed
+     */
+    //[sae] 下重写queque队列缓存方法
+    protected function queue($key) {
+        $queue_name=isset($this->options['queue_name'])?$this->options['queue_name']:'think_queue';
+        $value  =  F($queue_name);
+        if(!$value) {
+            $value   =  array();
+        }
+        // 进列
+        if(false===array_search($key, $value)) array_push($value,$key);
+        if(count($value) > $this->options['length']) {
+            // 出列
+            $key =  array_shift($value);
+            // 删除缓存
+            $this->rm($key);
+            if (APP_DEBUG) {
+                    //调试模式下记录出队次数
+                        $counter = Think::instance('SaeCounter');
+                        if ($counter->exists($queue_name.'_out_times'))
+                            $counter->incr($queue_name.'_out_times');
+                        else
+                            $counter->create($queue_name.'_out_times', 1);
+           }
+        }
+        return F($queue_name,$value);
+    }
+
+}