ThinkPHP檔案快取類代碼分享_PHP教程

ThinkPHP檔案快取類代碼分享

　　ThinkPHP檔案快取類代碼分享

取自ThinkPHP的檔案快取類代碼，這裡就不多廢話了，小夥伴們自己看注釋吧。

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/** * @desc 檔案快取 */ class Cache{ const C_FILE = '/Runtime/'; private $dir = ''; const EXT = '.tpl'; private $filename = ''; public function __construct($dir = ''){ $this->dir = $dir; } /** * @desc 設定檔案快取 * @param string $key 檔案名稱 * @param unkonw $data 快取資料 * @param int $expire 到期時間 */ public function set($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 擷取檔案 * @param string $key 檔案名稱 */ public function get($key){ //$filename = dirname(__FILE__).self::C_FILE.$this->dir.$key.self::EXT; if(!file_exists($this->filename)){ return '快取檔案已經不存在'; }else{ $res = file_get_contents($this->filename); } return $res; } /** * @desc 刪除檔案 * @param string $key 檔案名稱 */ public function del($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');

http://www.bkjia.com/PHPjc/988368.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/988368.htmlTechArticleThinkPHP檔案快取類代碼分享 ThinkPHP檔案快取類代碼分享 取自ThinkPHP的檔案快取類代碼，這裡就不多廢話了，小夥伴們自己看注釋吧。 ? 1 2...

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