链接数据库

1 //生成一个连接
 2 $db_connect=mysql_connect($dbhost,$username,$userpass) or die("Unable to connect to the MySQL!");
 3 
 4 //选择一个需要操作的数据库
 5 mysql_select_db($dbdatabase,$db_connect);
 6 
 7 //执行MySQL语句
 8 $result=mysql_query("SELECT id,name FROM user");
 9 
10 //提取数据
11 $row=mysql_fetch_row($result);