Esempi in PHP per excel::_instance

Esempio n. 1

File: Excel.class.php Progetto: yunsite/tp-coupon

 /**
  * 获取唯一实例
  *
  * @param string $sheetTitle        表格名称
  * @return excel
  */
 public static function getInstance($sheetTitle = null)
 {
     if (self::$_instance !== null) {
         return self::$_instance;
     }
     self::$_instance = new self($sheetTitle);
     return self::$_instance;
 }