php 购物车完整实现代码_php实例
1、商品展示页面
if(trim($info[tupian]=="")) { echo "暂无图片"; } else { ?> } ?> |
【】 | |
【市场价:】 | ||
【会员价:】 | ||
【查看信息】 | ||
【放入购物车】 | ||
【剩余数量: if(($info[shuliang]-$info[cishu])>0) { echo ($info[shuliang]-$info[cishu]); } else { echo "已售完"; } ?>】 |
}
?>
2、文件addgouwuche.php
session_start();
include("conn.php");
if($_SESSION[username]=="")
{
echo "<script>alert('请先登录后购物!');history.back();</script>";
exit;
}
$id=strval($_GET[id]);
$sql=mysql_query("select * from shangpin where id='".$id."'",$conn);
$info=mysql_fetch_array($sql);
if($info[shuliang] {
echo "<script>alert('该商品已经售完!');history.back();</script>";
exit;
}
$array=explode("@",$_SESSION[producelist]);
for($i=0;$i
if($array[$i]==$id)
{
echo "<script>alert('该商品已经在您的购物车中!');history.back();</script>";
exit;
}
}
$_SESSION[producelist]=$_SESSION[producelist].$id."@";
$_SESSION[quatity]=$_SESSION[quatity]."1@";
header("location:gouwu1.php");
?>
3、文件gouwu1.php
session_start();
if($_SESSION[username]=="")
{
echo "<script>alert('请先登录,后购物!');history.back();</script>";
exit;
}
?>
include("top.php");
?>
|
3、文件gouwu2.php
|
if($_GET[dingdanhao]!="")
{ $dd=$_GET[dingdanhao];
session_start();
$array=explode("@",$_SESSION[producelist]);
$sum=count($array)*20+260;
echo" ";
}
?>
4、数据库配置文件conn.php
$conn=mysql_connect("localhost","root","") or die("数据库服务器连接错误".mysql_error());
mysql_select_db("shop",$conn) or die("数据库访问错误".mysql_error());
mysql_query("set character set gb2312");
mysql_query("set names gb2312");
?>

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