表单部分：

复制代码 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：

复制代码 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;

case "del":

$id = $_GET['id'];

$del_sql = "delete from `cartemp` where id=$id";

mysql_query($del_sql, $conn);

echo "<script>location.href='shopcat.php'</script>";

break;

}

?>