Warning: mysql_connect(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /var/www/html/webconfig.php on line 9

Warning: mysql_connect(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /var/www/html/webconfig.php on line 9
不能连接到服务器php_network_getaddresses: getaddrinfo failed: Name or service not known