php的单例模式
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | class Factory { private static $instance = null; public static function getInstance(){ if(!(self::$instance instanceof self)){ self::$instance = new self; } return self::$instance; } //声明为私有，防止被拷贝 private function __clone(){} } |
Posted in Uncategorized at February 28th, 2010. No Comments.
