信呼OA版本v2.3.8

include/chajian/cacheChajian.php

@@ -0,0 +1,123 @@
+<?php 
+/**
+*	缓存，目前是使用磁盘文件存储
+*/
+class cacheChajian extends Chajian{
+	
+	private $dirvie = 'file'; //redis,file
+	
+	/**
+	*	设置缓存
+	* 	$time 缓存时间(秒)
+	*/
+	public function set($key, $data, $time=0)
+	{
+		$this->del($key); //删除原来的
+		$sarr['key']  = $this->getkey($key);
+		$sarr['data'] = $data;
+		if($time>0){
+			$time = time()+$time;
+		}else{
+			$time = 0;
+		}
+		$sarr['time'] = $time;
+		if($time>0)$sarr['timedt'] = date('Y-m-d H:i:s', $time);
+		$sarr['url']  = $this->rock->nowurl();
+		$this->delexpire();
+		return $this->rock->createtxt($this->getpath($key, $time, 1), json_encode($sarr));
+	}
+	
+	private function getkey($key)
+	{
+		return ''.QOM.''.$key.'';
+	}
+	
+	private function getpath($key, $time=0, $lx=0)
+	{
+		$key = $this->getkey($key);
+		$ske = '';
+		if($time>0)$ske='_'.$time.'';
+		
+		if($lx==0)return ''.ROOT_PATH.'/'.UPDIR.'/cache/'.md5($key).''.$ske.'';
+		return ''.UPDIR.'/cache/'.md5($key).''.$ske.'';
+	}
+	
+	//获取文件名
+	private function getpaths($key)
+	{
+		$key = $this->getkey($key);
+		$file= ''.ROOT_PATH.'/'.UPDIR.'/cache/'.md5($key).'';
+		$bar = glob(''.$file.'*');
+		if(is_array($bar))foreach($bar as $k=>$fil1){
+			if($k==0){
+				$file = $fil1;
+			}else{
+				unlink($fil1);
+			}
+		}
+		return $file;
+	}
+	
+	/**
+	*	获取缓存
+	*/
+	public function get($key, $dev='')
+	{
+		$file= $this->getpaths($key);
+		$data= $dev;
+		if(file_exists($file)){
+			$filea= explode('_', $file);
+			$time = (int)arrvalue($filea, count($filea)-1,'0');
+			if($time==0 || $time>=time()){
+				$cont = file_get_contents($file);
+				if(!isempt($cont)){
+					$sarr = json_decode($cont, true);
+					$data = arrvalue($sarr, 'data');
+				}
+			}else{
+				unlink($file); //已经过期了
+			}
+		}
+		return $data;
+	}
+	
+	/**
+	*	删除缓存
+	*/
+	public function del($key)
+	{
+		$file= $this->getpaths($key);
+		if(file_exists($file))@unlink($file);
+		return true;
+	}
+	
+	/**
+	*	删除所有缓存
+	*/
+	public function delall()
+	{
+		$bar = glob(''.ROOT_PATH.'/'.UPDIR.'/cache/*');
+		foreach($bar as $k=>$fil1){
+			unlink($fil1);
+		}
+	}
+	
+	/**
+	*	删除过期的缓存
+	*/
+	public function delexpire()
+	{
+		$bar = glob(''.ROOT_PATH.'/'.UPDIR.'/cache/*');
+		$time= time();
+		foreach($bar as $k=>$fil1){
+			if(contain($fil1,'_')){
+				$fil11 = substr($fil1, strripos($fil1, '_')+1);
+				if(is_numeric($fil11)){
+					if($fil11<$time){
+						unlink($fil1);
+					}
+				}
+			}
+		}
+	}
+}