Question

我正在为多个产品创建一个网站，其中有4个属性正面，背面，侧面和插件（这是收费的），下面创建了一个简单的演示代码。

属性页（prop.php）

 <html>
    <head>
    </head>
        <body>
            YOU HAVE CHOOSED <h1>PRODUCT 1</h1>

       <h2>CHOOSE PRODUCT PROPERTIES</h2>
            <form action="cartpage.php" method="post">
                ORDER ID <input type="text" id="uid" name="oid" value="<?php echo uniqid(); ?>"><br><br>
                <label>FRONT SELECTION</label><br>
                <input type="radio" name="front_sel" value="front_1">FRONT 1<br>
                <input type="radio" name="front_sel" value="front_2">FRONT 2<br>
                <input type="radio" name="front_sel" value="front_3">FRONT 3<br>
                <input type="radio" name="front_sel" value="front_4">FRONT 4<br><br>
                <label>BACK SELECTION</label><br>
                <input type="radio" name="back_sel" value="back_1">BACK 1<br>
                <input type="radio" name="back_sel" value="back_2">BACK 2<br>
                <input type="radio" name="back_sel" value="back_3">BACK 3<br>
                <input type="radio" name="back_sel" value="back_4">BACK 4<br><br>
                <label>SIDE SELECTION</label><br>
                <input type="radio" name="side_sel" value="side_1">SIDE 1<br>
                <input type="radio" name="side_sel" value="side_2">SIDE 2<br>
                <input type="radio" name="side_sel" value="side_3">SIDE 3<br>
                <input type="radio" name="side_sel" value="side_4">SIDE 4<br><br>
                <label>ADD ON SELECTION</label><br>
                <input type="checkbox" name="addon_sel[]" value="addon_1">THIS ADDON COST Rs 50 EXTRA<br>
                <input type="checkbox" name="addon_sel[]" value="addon_2">THIS ADDON COST Rs 20 EXTRA<br>
                <input type="checkbox" name="addon_sel[]" value="addon_3">THIS ADDON COST Rs 0 EXTRA<br>
                <input type="checkbox" name="addon_sel[]" value="addon_4">THIS ADDON COST Rs 10 EXTRA<br><br>
                <input type="submit" name="submit" value="Submit">
            </form>
        </body>
    </html>

php购物车页面（cartpage.php）

<?php
if(isset($_POST['submit']))
{
    $oid = $_POST['oid'];
    $front = $_POST['front_sel'];
    $back = $_POST['back_sel'];
    $side = $_POST['side_sel'];
    $addon = $_POST['addon_sel'];
    $cart = array (
    'front' => $front,
    'back' => $back,
    'addon' => $addon,
    'side' => $side 
    );

    $_SESSION['oid'] = $oid;
    $_SESSION['cart'][$oid] = $cart;
    echo "ITEMS IN YOUR CART<br>";
     foreach ($_SESSION['cart'] as $item) {
         echo $item['front']."<br>";
         echo $item['back']."<br>";
         echo $item['side']."<br>";
         echo $item['addon']."<br>";
         if ($item['addon'] == 'addon_1')
         {
             echo "TOTAL PRICE OF THE PRODUCT IS Rs. 500 + Price of ADDON Rs 50 = Rs. 550/-" ;
         }if ($item['addon'] == 'addon_2')
         {
             echo "TOTAL PRICE OF THE PRODUCT IS Rs. 500 + Price of ADDON Rs 20 = Rs. 520/-" ;
         }if ($item['addon'] == 'addon_3')
         {
             echo "TOTAL PRICE OF THE PRODUCT IS Rs. 500 + Price of ADDON Rs 0 = Rs. 500/-" ;
         }if ($item['addon'] == 'addon_1')
         {
             echo "TOTAL PRICE OF THE PRODUCT IS Rs. 500 + Price of ADDON Rs 10 = Rs. 510/-" ;
         }
     }
}
?>

首先： 在上面的代码中，每当用户检查多个复选框时，只需发布一个复选框。

第二我想在会话中使用多个复选框来创建购物车系统并为其指定价格。希望你能理解这个问题请帮助我，请告诉我任何其他方式做同样的事情。感谢。

Answer 1

您的复选框都具有相同的name="addon_sel"。 PHP的多个字段具有相同名称的默认行为是仅保存LAST遇到的值。使用name="addon_sel[]"（注意[]）告诉PHP创建一个接收到的值数组。

Answer 2

我对您的代码进行了一些更改以使其正常工作，这些更改由箭头指出（//<=================）：

<?php
session_start();                           //<=================
if(isset($_POST['submit']))
{
    $oid = $_POST['oid'];
    $front = $_POST['front_sel'];
    $back = $_POST['back_sel'];
    $side = $_POST['side_sel'];
    $addon = $_POST['addon_sel'];         // ADDONS ARRAY.
    $cart = array ( 'front' => $front,
                    'back' => $back,
                    'addon' => $addon,
                    'side' => $side 
                  );
    $_SESSION['oid'] = $oid;
    $_SESSION['cart'][$oid] = $cart;
    echo "ITEMS IN YOUR CART<br>";
     foreach ($_SESSION['cart'] as $item) {
         echo $item['front']."<br>";
         echo $item['back']."<br>";
         echo $item['side']."<br>";
         print_r( $item['addon'] )."<br>";     //<=================
         if ( in_array( 'addon_1',$item['addon'] ) ) //<=================
         {
             echo "<br/>TOTAL PRICE OF THE PRODUCT IS Rs. 500 + Price of ADDON Rs 50 = Rs. 550/-" ;
         }if ( in_array( 'addon_2',$item['addon'] ) ) //<=================
         {
             echo "<br/>TOTAL PRICE OF THE PRODUCT IS Rs. 500 + Price of ADDON Rs 20 = Rs. 520/-" ;
         }if ( in_array( 'addon_3',$item['addon'] ) ) //<=================
         {
             echo "<br/>TOTAL PRICE OF THE PRODUCT IS Rs. 500 + Price of ADDON Rs 0 = Rs. 500/-" ;
         }if ( in_array( 'addon_4',$item['addon'] ) ) //<=================
         {
             echo "<br/>TOTAL PRICE OF THE PRODUCT IS Rs. 500 + Price of ADDON Rs 10 = Rs. 510/-" ;
         }
     }
}
?>

在php中打印会话复选框数组的多个值

2 个答案: