php 连接数据库问题???急急急急急急急急急
<?php
$dbservertype = "mysql";
// hostname或服务器ip
$servername = "localhost";
// 登录数据库的用户名和密码
$dbusername = "administrator";
$dbpassword = "";
$dbname = "register";
$conn_id = mysql_connect($servername,$dbusername,$dbpassword);
$connection=mysql_select_db("register",$conn_id);
//$checksql="select * from user'";
//$checkresult = mysql_query($checksql,$conn_id);
$id=4;
$epassnd="hhhhh";
$checksql="insert into user(id,epassnd) values('$id','$epassnd')'";
$checkresult = mysql_query($checksql,$conn_id);
print "<h2 align=\"center\"><font color=\"#FF0000\">错误 : 用户 '".$connection."' 尚未注册!</FONT></h2>";
?>
这样做可以吗?