覆盖Woocommerce中特定运输类别的所有运输成本

问题描述

我有多个运输类别，价格在多个运输区域中设定。是否可以检测出购物车中的任何产品是否属于特定的运输类别，并且将运输成本设置为0并显示一条消息？

I have a number of shipping classes with prices set in multiple shipping zones. Is it possible to detect if ANY product within the cart belongs to a specific shipping class, and if so set the shipping cost to 0 and display a message?

我想要对需要特殊处理且将通过货运运输的产品使用此机制。因此，如果客户的订单中包含上述任何产品，则将在售后手动提供运输报价。

I would like to use this mechanism for products which require special handling and would be shipped via freight. So if a customer's order contains any of these products the shipping quote would be provided manually post-sale.

感谢您的帮助。

推荐答案

当在购物车中找到特定的定义运输方式时，以下代码会将所有运输成本设置为零，并显示自定义通知。

The following code will set all shipping cost to zero, when a specific defined shipping method is found in cart items and will display a custom notice.

第二个挂钩函数是可选的，它将在结帐页面上显示自定义通知。

The second hooked function is optional and will display the custom notice in checkout page.

在下面的代码中，请在每个函数中定义您的装运类别的子弹和您的自定义通知：

In the code bellow define in each function your shipping class slug and your custom notice:

// Null shipping costs for a specific shipping class and display a message
add_filter('woocommerce_package_rates', 'shipping_class_null_shipping_costs', 10, 2);
function shipping_class_null_shipping_costs( $rates, $package ){
    if ( is_admin() && ! defined( 'DOING_AJAX' ) )
        return $rates;

    // HERE set your shipping class slug
    $shipping_class_slug = 'extra';

    $found = false;

    // Loop through cart items and checking for the specific defined shipping class
    foreach( $package['contents'] as $cart_item ) {
        if( $cart_item['data']->get_shipping_class() == $shipping_class_slug )
            $found = true;
    }

    // Set shipping costs to zero if shipping class is found
    if( $found ){
        foreach ( $rates as $rate_key => $rate ){
            $has_taxes = false;
            // Targetting "flat rate" and local pickup
            if( 'flat_rate' === $rate->method_id || 'local_pickup' === $rate->method_id  ){
                // Set the cost to zero
                $rates[$rate_key]->cost = 0;

                // Taxes rate cost (if enabled)
                foreach ($rates[$rate_key]->taxes as $key => $tax){
                    if( $rates[$rate_key]->taxes[$key] > 0 ){
                        $has_taxes = true;
                        // Set taxes cost to zero
                        $taxes[$key] = 0;
                    }
                }
                if( $has_taxes )
                    $rates[$rate_key]->taxes = $taxes;
            }
        }
        // Clear duplicated notices
        wc_clear_notices();
        // Add a custom notice to be displayed
        wc_add_notice( __('My custom shipping message here.', 'woocommerce'), 'notice' );
    }
    return $rates;
}


add_action( 'woocommerce_before_checkout_form', 'display_custom_shipping_message_in_checkout' );
function display_custom_shipping_message_in_checkout(){
    // HERE set your shipping class slug
    $shipping_class_slug = 'extra';

    $found = false;

    // Loop through cart items and checking for the specific defined shipping class
    foreach( WC()->cart->get_cart() as $cart_item ) {
        if( $cart_item['data']->get_shipping_class() == $shipping_class_slug )
            $found = true;
    }

    if( $found ){
        // Display a custom notice
        wc_print_notice( __('My custom shipping message here.', 'woocommerce'), 'notice' );
    }
}

代码进入活动子主题（或活动子主题）的function.php文件主题）。

Code goes in function.php file of your active child theme (or active theme). It should works.

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