Warning: mysql_connect(): Unknown MySQL server host 'hdm345253276.my3w.com' (1) in /usr/home/hyu3504210001/htdocs/Include/db_conn.php on line 10 Warning: mysql_query(): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2) in /usr/home/hyu3504210001/htdocs/Include/db_conn.php on line 19 Warning: mysql_query(): A link to the server could not be established in /usr/home/hyu3504210001/htdocs/Include/db_conn.php on line 19 Warning: mysql_select_db() expects parameter 2 to be resource, boolean given in /usr/home/hyu3504210001/htdocs/Include/db_conn.php on line 20 数据库名称不对,请检查是否正确安装数据库!Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)