PHP 注册代码

<?php

$Uname=$_POST["Uname"];

$Pwd=$_POST["Pwd"];

$register=$_POST["register"];

$link=mysql_connect("localhost","root","12345");

if($link)

{

$db_selected=Mysql_Query("use register", $link);

if ( $register="register")

{

if ( $Uname !="" )

{

$result=mysql_query("insert into [user] (Uname , Pwd) values($Uname, $Pwd)" , $link);

echo ("<script>alert('注册成功 !');history.back; </script>");

}

else

{ echo("用户名不能为空!");

}

}

else

{ echo("数据源连接失败!"); }

?>

<form name="form1" action="" method="post">

<input type="text" name="Uname" />

<br/>

<input type="password" name="Pwd" />

<br/>

<input type="submit" value="Register" />

<input type="hidden" value="register" name="register" />

</form>