当我添加另一个产品时，我的购物车总数错误了

时间：2018-02-19 12:11:29

标签： php

我试图创建一个在购物车中计算正确输入的php购物车，当我尝试只放置一个产品时总金额是正确的但是在输入时另一个项目的总金额是不同的

代码有问题吗？

当我在购物车中只添加1件商品时，我的购物车总数是正确的 但是当我添加另一辆车的总数不同时 下面是我到目前为止的代码？

<?php
    session_start();
    include("admin/php/connect_to_mysql.php");
    include("admin/php/myFunctions.php");

    if(!empty($_GET['prodid'])){
        $pid = $_GET['prodid'];
        $wasFound = false;
        $i = 0;
        if(!isset($_SESSION["cart_array"]) || count($_SESSION["cart_array"]) < 1){
            $_SESSION["cart_array"]=array(0=>array("productID"=>$pid,"quantity"=>1));
        }else{
            foreach($_SESSION["cart_array"] as $each_product){
                $i++;
                while(list($key,$value)=each($each_product)){
                    if($key=="productID" && $value==$pid){  
                        array_splice($_SESSION["cart_array"],$i-1,1,array(array("productID"=>$pid,"quantity"=>$each_product ['quantity']+1)));
                        $wasFound=true;
                    }
                }       
            }
            if($wasFound==false){
                array_push($_SESSION["cart_array"],array("productID"=>$pid,"quantity"=>1));
            }
        }
        header("location:shoppingcart.php");
        exit();
    }
    //-------------------------------------------------------------------------------------------------

        $submit = false;
if(isset($_POST['btnUpdate'])){
    $submit = $_POST['btnUpdate'];
 } 
    echo $submit; 
    if($submit == "Update"){
        $x = 0;
        $i=0;
        //echo $_POST['txtQuan2'];
        //echo $_POST['txtHoldProdId0'];
        foreach($_SESSION["cart_array"] as $each_product){
            $i++;
            $quantity = $_POST['txtQuan'.$x];
            $prodStock = $_POST['txtHoldQuan'.$x];
            $prodAdjustId = $_POST['txtHoldProdId'.$x++];
            if($quantity<1){ $quantity = 1; }
            if($quantity>$prodStock){ $quantity = $prodStock; }
            while(list($key,$value)=each($each_product)){
                array_splice($_SESSION["cart_array"],$i-1,1,array(array("productID"=>$prodAdjustId,"quantity"=>$quantity)));
            }       
        }

    }
    //-------------------------------------------------------------------------------------------------
    if(!empty($_GET['cid']) || isset($_GET['cid'])){
        $removeKey = $_GET['cid'];
        if(count($_SESSION["cart_array"])<=1){
            unset($_SESSION["cart_array"]);
        }else{
            unset($_SESSION["cart_array"]["$removeKey"]);
            sort($_SESSION["cart_array"]);
        }
    }
    //-------------------------------------------------------------------------------------------------
    $cartTitle = "";
    $cartOutput = "";
    $cartTotal = "";
    if(!isset($_SESSION["cart_array"]) || count($_SESSION["cart_array"]) < 1){
        $cartOutput="<h2 align='center'> Your shopping cart is empty </h2>";
    }else{
        $x = 0;
        $cartTitle .= '<form name="shoppingcart_form" action="shoppingcart.php" method="post" /><table width="700px" cellspacing="0" cellpadding="5">
                <tr bgcolor="#CCCCCC">
                            <th width="220" align="left">Image </th> 
                            <th width="140" align="left">Name </th> 
                            <th width="100" align="center">Quantity </th> 
                            <th width="60" align="center">Stock </th> 
                            <th width="60" align="right">Price </th> 
                            <th width="60" align="right">Total </th> 
                            <th width="90"> </th></tr>';
        $i = 0;
        foreach($_SESSION["cart_array"] as $each_product){
            $product_id = $each_product['productID'];
            $sql=mysql_query("select * from tblproduct where prod_id='$product_id' limit 1");
            while($row=mysql_fetch_array($sql)){
                $prodNo = $row["prod_no"];
                $prodID = $row["prod_id"];
                $prodName = $row["prod_name"];
                $prodPrice = $row["prod_price"];
                $prodQuan = $row["prod_quan"];
            }
            $pricetotal=$prodPrice*$each_product['quantity'];
            $cartTotal= number_format($pricetotal+$cartTotal,2);
            $cartOutput .= '<tr><td><img style="border: 2px solid;" src="images/product/'.$prodNo.'.jpg" width="150" height="120" /></td> 
                <td>'.$prodName.'</td> 
                <td align="center"><input type="hidden" name="txtHoldProdId'.$i.'" value="'.$prodID.'" /><input name="txtQuan'.$i.'" type="text" value="'.$each_product['quantity'].'" style="width: 40px; text-align: center" /> </td>
                <td align="center"><input type="hidden" name="txtHoldQuan'.$i.'" value="'.$prodQuan.'" /> '.$prodQuan   .' pcs</td> 
                <td align="right">Php '.$prodPrice.'</td> 
                <td align="right">Php '.$pricetotal.'</td>
                <td align="center"> <a href="shoppingcart.php?cid='.$i++.'"><img src="images/remove_x.gif" alt="remove" /><br />Remove</a> </td></tr>';
        }
        $_SESSION['checkoutCartTotal'] = $cartTotal;
        $cartOutput .= '<tr>
                            <td colspan="3" align="right"  height="40px">Have you modified your basket? Please click here to <input class="btn_upd" type="submit" name="btnUpdate" value="Update" />&nbsp;&nbsp;</td>
                            <td align="right" style="background:#ccc; font-weight:bold"> Total: </td>
                            <td colspan="2" align="left" style="background:#ccc; font-weight:bold;">Php '.$cartTotal.' </td>
                            <td style="background:#ccc; font-weight:bold"> </td>
                        </tr>
                    </table>
                    <div style="float:right; width: 215px; margin-top: 20px;">

                        <div class="checkout"><a href="checkout.php" class="more">Proceed to Checkout</a></div>

                    </div></form>';
    }
?>
<?php
if(!isset($_SESSION['name'])){
    header("location:login.php");
    exit();
}
?>
<!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">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Manila Ensembles - Cart</title>
<link href="css/slider.css" rel="stylesheet" type="text/css" />

<link rel="stylesheet" type="text/css" href="css/ddsmoothmenu.css" />

<link rel="stylesheet" type="text/css" href="css/styles.css" />

<script language="javascript" type="text/javascript">

    function clearText(field)
    {
        if (field.defaultValue == field.value) field.value = '';
        else if (field.value == '') field.value = field.defaultValue;
    }
</script>

</head>

<body id="subpage">

<div id="main_wrapper">
        <?php include("header.php"); ?>
 <!-- END of header -->

    <div id="main_menu" class="ddsmoothmenu">
        <ul>
            <li><a href="index.php">Home</a></li>
            <li><a href="products.php">Products</a></li>
            <li><a class="selected" href="shoppingcart.php">Cart</a></li>
            <li><a href="checkout.php">Checkout</a></li>
            <li><a href="about.php">About</a></li>
        </ul>
        <br style="clear: left" />
    </div> <!-- end of menu -->

    <div class="cleaner h20"></div>
    <div id="main_top"></div>
    <div id="main">

                     <?php include("sidebar.php");?>
 <!-- END of sidebar -->

        <div id="content">
        <?php echo $cartTitle; ?>
        <?php echo $cartOutput; ?>

        </div> <!-- end of content -->
        <div class="cleaner"></div>
    </div> <!-- END of main -->

        <?php include("footer.php"); ?>
<!-- END of footer -->   

</div>


<script type='text/javascript' src='js/logging.js'></script>
</body>
</html>

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