默认存款占总购物车金额的百分比，但有例外

问题描述：

我正在寻找一种方法在Woocommerce网站上的总购物车金额上添加存款（而不是仅向每个产品订单项添加存款）。默认存款占总购物车金额的百分比，但有例外

我找到了答案，这种巧妙的线程在这里：Deposit based on a percentage of total cart amount

这是我最后的代码中使用：

add_action('woocommerce_cart_calculate_fees', 'booking_deposit_calculation'); 
function booking_deposit_calculation($cart_object) { 

    if (is_admin() && ! defined('DOING_AJAX')) 
     return; 

    ## Set HERE your negative percentage (to remove an amount from cart total) 
    $percent = -.50; // 50% off (negative) 

    // Get cart subtotal excluding taxes 
    $cart_subtotal = $cart_object->subtotal_ex_tax; 
    // or for subtotal including taxes use instead: 
    // $cart_subtotal = $cart_object->subtotal; 

    ## ## CALCULATION ## ## 
    $calculated_amount = $cart_subtotal * $percent; 

    // Adding a negative fee to cart amount (excluding taxes) 
    $cart_object->add_fee(__('Deposit calculation', 'woocommerce'), $calculated_amount, false); 

}

这造成50％的定金为对车和结算的每个产品默认页。辉煌！（使用CSS，然后我可以在前端描述样式）。

但是，我有几个产品（一个产品类别），我不想强制使用此存款。

所以，这里是我的问题：

我如何调整代码继续执行默认的存款，但不包括从一个产品类别的存款（或产品这一类，如果我不能排除整个类别）？

答

在下面的挂钩函数中，您将不得不设置产品类别的数组，然后将其排除。如果你不使用其中之一，你可以设置一个空白阵列例如像$product_categories = array(); ...

下面是代码：

add_action('woocommerce_cart_calculate_fees', 'custom_deposit_calculation', 10, 1); 
function custom_deposit_calculation($cart_object) { 

    if (is_admin() && ! defined('DOING_AJAX')) 
     return; 

    // Define the product IDs to exclude 
    $product_ids = array(37, 25, 50); 
    // Define the product categories to exclude (can be IDs, slugs or names) 
    $product_categories = array('clothing'); 
    $amount_to_exclude_with_tax = 0; 

    // Iterating through cart items 
    foreach ($cart_object->get_cart() as $cart_item){ 
     // If condition match we get the sum of the line item total (excl. tax) 
     if(in_array($cart_item['product_id'], $product_ids) || has_term($product_categories, 'product_cat', $cart_item['product_id'])) 
      $amount_to_exclude_with_tax += $cart_item['line_total']; 
      // OR replace by (for tax inclusion) 
      // $amount_to_exclude_with_tax += $cart_item['line_tax'] + $cart_item['line_total']; 
    } 

    ## Set HERE your negative percentage (to remove an amount from cart total) 
    $percent = -0.5; // 50% off (negative) 

    // Get cart subtotal excluding taxes 
    $cart_subtotal = $cart_object->subtotal_ex_tax - $amount_to_exclude_with_tax; 
    // or for subtotal including taxes use instead: 
    // $cart_subtotal = $cart_object->subtotal; 

    ## ## CALCULATION ## ## 
    $calculated_amount = $cart_subtotal * $percent; 

    if($calculated_amount != 0){ 
     // Adding a negative fee to cart amount (Including taxes) 
     $cart_object->add_fee(__('Deposit calculation', 'woocommerce'), $calculated_amount, true); 
    } 
}

代码放在您的活动子主题的function.php文件（或主题）或任何插件文件。

在WooCommerce 3上测试并工作。

默认存款占总购物车金额的百分比，但有例外

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