作者:Chickny的造梦空间 | 来源:互联网 | 2018-05-07 15:32
ThinkPHP文件缓存类代码ThinkPHP?php***@desc文件缓存*@editwww.lai18.com*classCache{constC_FILERuntime;private$dir;constEXT.tpl;private$filename;publicfunction__construct($dir){$this-
ThinkPHP文件缓存类代码 ThinkPHP ?php /** * @desc 文件缓存 * @edit http://www.lai18.com */ class Cache{ const C_FILE = '/Runtime/'; private $dir = ''; const EXT = '.tpl'; private $filename = ''; public function __construct($dir = ''){ $this-
ThinkPHP文件缓存类代码
ThinkPHP
dir = $dir;
}
/**
* @desc 设置文件缓存
* @param string $key 文件名
* @param unkonw $data 缓存数据
* @param int $expire 过期时间
*/
public function set($key,$data,$expire = 0){
$this->filename = dirname(__FILE__).self::C_FILE.$this->dir.$key.self::EXT;
if(file_exists($this->filename)){
$res = $this->get($key);
if(md5($res) == md5(json_encode($data) ) ){
return true;
}
}
if(!is_dir(dirname($this->filename))){
mkdir(dirname($this->filename),0777);
}
$source = fopen($this->filename,'w+');
fwrite($source,json_encode($data));
fclose($source);
}
/**
* @desc 获取文件
* @param string $key 文件名
*/
public function get($key){
//$filename = dirname(__FILE__).self::C_FILE.$this->dir.$key.self::EXT;
if(!file_exists($this->filename)){
return '缓存文件已经不存在';
}else{
$res = file_get_contents($this->filename);
}
return $res;
}
/**
* @desc 删除文件
* @param string $key 文件名
*/
public function del($key){
unlink($this->filename);
}
}
$data = array('name'=>'song','age'=>20,'sex'=>'man','favority'=>array('apple','banana'));
$cache = new Cache();
$cache->set('cache',$data);
//$cache->get('cache');
//$cache->del('cache');