php购物车解决办法
日期：2014-05-17 浏览次数：20473 次
php购物车
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
<p><a href="first.php">首页</a> <a href="cart_show.php">购物篮</a> <a href="history.php">历史记录</a> <a href="index.php">退出</a>
<?php
$con = mysql_connect("localhost", "root", "");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
$db_selected = mysql_select_db("user",$con);
$sql="select * from produce";//查询所有商品
$rs=mysql_query($sql,$con);//执行sql语句，得到一个结果集
while($row=mysql_fetch_array($rs))//遍历结果集
{
?>
</p>
<p> </p>
<table width="367" height="247" border="1" style="float:left">
<tr>
<td width="127" rowspan="3"><img
src="images/<?php echo $row["pimg"]?>" width="123" height="121" border="0" /></td>
<td width="224" height="35">货物名称：<?php echo $row["pname"] ?></td>
</tr>
<tr>
<td height="28">货物价格：<?php echo $row["price"] ?></td>
</tr>
<tr>
<td height="27" align="center"><a href="buy.php?id=<?php echo $row["pid"] ?>&pname=<?php
echo $row["pname"] ?>">购买</a></td>
</tr> </table>
<?php
}
?>
</body>
</html>
------解决方案--------------------
你想提问的是什么？ 有个 编码 方式的 文本。
你把内容用相应的源码高亮显示不是更方便别人为你解决问题吗？
------解决方案--------------------
<?php
$act=$_GET[act];
$product_id=$_GET[prcid];
if($act=="add")
{
$cars_id=explode(",",$_COOKIE[buypro]);
//echo "<pre>";
//print_r($cars_id);
//echo"</pre>";
//exit;
foreach($cars_id as $pr_id)
{
if($pr_id==$product_id)
{
echo "<script>alert('您已经购买了此商品，请查看购物车！');location.href='car.php';</script>";
exit;
}
}
if(empty($_COOKIE[buypro]))
{
setcookie("buypro",$product_id,time()+3600);
setcookie("buycount","1",time()+3600);
}
else
{
$newpro=$_COOKIE[buypro].",".$product_id;
$newcount=$_COOKIE[buycount].","."1";
setcookie("buypro",$newpro,time()+3600);
setcookie("buycount",$newcount,time()+3600);
}
}
//删除
if($act=="del")
{
$buy=$_COOKIE[buypro];
$cars_id=explode(",",$buy);
$buycountary=explode(",",$_COOKIE[buycount]);
$newid=array();
$carcount=array();
for($i=0;$i<count($cars_id);$i++)
{
if($cars_id[$i]!=$product_id)
{
$newid[]=$cars_id[$i];
$carcount[]=$buycou
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
<p><a href="first.php">首页</a> <a href="cart_show.php">购物篮</a> <a href="history.php">历史记录</a> <a href="index.php">退出</a>
<?php
$con = mysql_connect("localhost", "root", "");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
$db_selected = mysql_select_db("user",$con);
$sql="select * from produce";//查询所有商品
$rs=mysql_query($sql,$con);//执行sql语句，得到一个结果集
while($row=mysql_fetch_array($rs))//遍历结果集
{
?>
</p>
<p> </p>
<table width="367" height="247" border="1" style="float:left">
<tr>
<td width="127" rowspan="3"><img
src="images/<?php echo $row["pimg"]?>" width="123" height="121" border="0" /></td>
<td width="224" height="35">货物名称：<?php echo $row["pname"] ?></td>
</tr>
<tr>
<td height="28">货物价格：<?php echo $row["price"] ?></td>
</tr>
<tr>
<td height="27" align="center"><a href="buy.php?id=<?php echo $row["pid"] ?>&pname=<?php
echo $row["pname"] ?>">购买</a></td>
</tr> </table>
<?php
}
?>
</body>
</html>
------解决方案--------------------
你想提问的是什么？ 有个 编码 方式的 文本。
你把内容用相应的源码高亮显示不是更方便别人为你解决问题吗？
------解决方案--------------------
<?php
$act=$_GET[act];
$product_id=$_GET[prcid];
if($act=="add")
{
$cars_id=explode(",",$_COOKIE[buypro]);
//echo "<pre>";
//print_r($cars_id);
//echo"</pre>";
//exit;
foreach($cars_id as $pr_id)
{
if($pr_id==$product_id)
{
echo "<script>alert('您已经购买了此商品，请查看购物车！');location.href='car.php';</script>";
exit;
}
}
if(empty($_COOKIE[buypro]))
{
setcookie("buypro",$product_id,time()+3600);
setcookie("buycount","1",time()+3600);
}
else
{
$newpro=$_COOKIE[buypro].",".$product_id;
$newcount=$_COOKIE[buycount].","."1";
setcookie("buypro",$newpro,time()+3600);
setcookie("buycount",$newcount,time()+3600);
}
}
//删除
if($act=="del")
{
$buy=$_COOKIE[buypro];
$cars_id=explode(",",$buy);
$buycountary=explode(",",$_COOKIE[buycount]);
$newid=array();
$carcount=array();
for($i=0;$i<count($cars_id);$i++)
{
if($cars_id[$i]!=$product_id)
{
$newid[]=$cars_id[$i];
$carcount[]=$buycou
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