Warning: mysqli_connect() [function.mysqli-connect]: (HY000/2005): Unknown MySQL server host 'rm-bp18qvg65yvj8kb3h.mysql.rds.aliyuncs.com:3306' (1) in /usr/home/wh-aa2oc8brc1ylxr9ekpd/htdocs/conn/conn2.php on line 5

Warning: mysqli_query() expects parameter 1 to be mysqli, boolean given in /usr/home/wh-aa2oc8brc1ylxr9ekpd/htdocs/conn/conn2.php on line 6
数据库连接失败: Unknown MySQL server host 'rm-bp18qvg65yvj8kb3h.mysql.rds.aliyuncs.com:3306' (1)