<?php
require_once("conn.php");
if(mysql_query("insert into name set name='$name',tel='$tel',email='$email',QQ='$QQ',sex='$sex',brandname='$brandname',commoditybrand='$commoditybrand',productID='$productID',ordername='$ordername',shopname='$shopname',shopaddr='$shopaddr',invoicenumber='$invoicenumber',purchasingdate='$purchasingdate'",$conn)){
echo "添加成功！";
}
else{
echo '添加失败！';
}
?>
报错 ：
Notice: Undefined variable
Warning: mysql_query() expects parameter 2 to be resource, null given in
------解决思路----------------------
$conn 变量未定义
请检查 conn.php 文件定义及加载情况