PHP
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更新购物车 表单部分和 PHP 处理部分
购物车的数量是根据用户的选择商品加入而不断增加的,下面是具体的实现代码(客服端
部分/PHP 服务器端处理),有类似需求的朋友可以参考下
表单部分:
代码如下:
<form action="?action=edit_num" method="post" name="car<?php $c_rs['id'];?>" id="car<?php
$c_rs['id'];?>">
<input name="suliang[<?php echo $c_rs['sp_id'];?>]" type="text" id="suliang[<?php echo
$c_rs['sp_id'];?>]" value="<?php echo $c_rs['suliang'];?>"/>
<input type="submit" name="button" id="button" value="更新购物车" />
</form>
PHP
处理部分:
代码如下:
<?php
require 'config.inc.php';
require 'checklogin.php';
$username = $_SESSION['username'];
$action = $_GET['action'];
switch ($action) {
case "edit_num":
$arr = $arr = $_POST['suliang'];
foreach($arr as $key=>$value){
$sqlgx = "update `cartemp` set suliang='$value' where username='".$username."' and flag=0 and
sp_id='".$key."'";
mysql_query($sqlgx, $conn);
echo "<script>location.href='shopcat.php'</script>";
}
break;
case "null":
$null_sql = "delete from `cartemp` where username='$username' and flag=0 ";
mysql_query($null_sql, $conn);
echo "<script>location.href='shopcat.php'</script>";
break;