帮我看看到底哪里错了

Question

<?php include("config.php"); //参数页面提取过来if(empty($_POST["website_name"])){
echo ("<script type='text/javascript'> alert('网站名称不能空');history.go(-1);</script>");
exit;
}
if(empty($_POST["website_website"])){
echo ("<script type='text/javascript'> alert('网址描述不能空');history.go(-1);</script>");
exit;
}
if(empty($_POST["website_Description"])){
echo ("<script type='text/javascript'> alert('网站描述不能空');history.go(-1);</script>");
exit;
}$website_name=$_POST["website_name"];
$website_website=$_POST["website_website"];
$website_Description=$_POST["website_Description"];
$website_time=date("Y-m-d");
$website_pass="no";$db=mysql_connect($servername,$sqlservername,$sqlserverpws);
mysql_select_db($sqlname,$db) ;
$sql="select * from $sqltable where website_name='$website_name'";
$result=mysql_fetch_row(mysql_query($sql));if($result){
echo ("<script type='text/javascript'> alert('网址在，你就不能注册这个名字');history.go(-1);</script>");}
else{
$sql="insert into $sqltable(website_name,website_website,website_Description,website_time,website_pass) values('$website_name',$website_website','$website_Description','$website_time','$website_pass') ";
mysql_query($sql);echo ("<script type='text/javascript'> alert('添加成功');location.href='index.php';</script>");
}
?>可以成功提交但数据库没有数据

Answer 1

mysql_query($sql) or die(mysql_error());