Warning: mysqli_query() expects at least 2 parameters, 1 given in D:\wwwroot\sqlbak\wwwroot\include\sql_class.php on line 19

Warning: mysql_query() [function.mysql-query]: Access denied for user 'ODBC'@'localhost' (using password: NO) in D:\wwwroot\sqlbak\wwwroot\include\sql_class.php on line 23

Warning: mysql_query() [function.mysql-query]: A link to the server could not be established in D:\wwwroot\sqlbak\wwwroot\include\sql_class.php on line 23
数据库链接失败select * from tb_content where id=8