mysql_select_db(’test1′,$id);

?>

if($_POST["denglu"]==”提交”){

$name=$_POST[name];

$pass=$_POST[pass];

$query=”select * from aa where user=’$name’ and pass=’$pass’”;

$result=mysql_query($query);

if(mysql_num_rows($result)>0)

{echo “$_POST[name].已經透過”;}

else

{echo “$_POST[pass].沒有透過”;}}

?>

if($_POST["tianjia"]==”新增”){

$name=$_POST[name];

$pass=$_POST[pass];

$ip=$_POST[ip];

$querys=”select * from aa”;

$results=mysql_query($querys);

if($name==$user)

{echo “$_POST[name]已經存在”;}

else

{

$query1=”insert into aa (user,pass,ip) values(’$name’,"$pass’,"$ip’)”;

$result1=mysql_query($query1);

echo “新增成功”;

}

}

?>

$name=$_POST[name];

$pass=$_POST[pass];

$ip=$_POST[ip];

$query2=”delete from aa where user=’$name’”;

$result2=mysql_query($query2);

}

?>

$result=mysql_query($query);

while($myrow=mysql_fetch_array($result)){?>