Warning: mysqli::__construct(): (HY000/2002): 由于目标计算机积极拒绝,无法连接。 in D:\phpstudy_pro\WWW\leqihuahui.com\includes\config.php on line 7

Fatal error: Uncaught Error: mysqli object is already closed in D:\phpstudy_pro\WWW\leqihuahui.com\includes\config.php:8 Stack trace: #0 D:\phpstudy_pro\WWW\leqihuahui.com\includes\config.php(8): mysqli->query() #1 D:\phpstudy_pro\WWW\leqihuahui.com\search-product.php(3): require('...') #2 {main} thrown in D:\phpstudy_pro\WWW\leqihuahui.com\includes\config.php on line 8