Fatal error: Uncaught Error: Call to undefined function mysql_pconnect() in D:\wwwroot\zhanqun\www.youyunbaby.cn\src\system\database\drivers\mysql\mysql_driver.php:91 Stack trace: #0 D:\wwwroot\zhanqun\www.youyunbaby.cn\src\system\database\DB_driver.php(115): CI_DB_mysql_driver->db_pconnect() #1 D:\wwwroot\zhanqun\www.youyunbaby.cn\src\system\database\DB.php(148): CI_DB_driver->initialize() #2 D:\wwwroot\zhanqun\www.youyunbaby.cn\src\system\core\Loader.php(346): DB(Array, NULL) #3 D:\wwwroot\zhanqun\www.youyunbaby.cn\src\system\core\Loader.php(1171): CI_Loader->database() #4 D:\wwwroot\zhanqun\www.youyunbaby.cn\src\system\core\Loader.php(152): CI_Loader->_ci_autoloader() #5 D:\wwwroot\zhanqun\www.youyunbaby.cn\src\system\core\Controller.php(55): CI_Loader->initialize() #6 D:\wwwroot\zhanqun\www.youyunbaby.cn\src\application\controllers\caseCtr.php(6): CI_Controller->__construct() #7 D:\wwwroot\zhanqun\www.youyunbaby.cn\src\system\core\CodeIgniter.php(308): CaseCtr->__construct() #8 D:\wwwroot\zhanqun\www.youyunbaby.cn\app in D:\wwwroot\zhanqun\www.youyunbaby.cn\src\system\database\drivers\mysql\mysql_driver.php on line 91