在Woocommerce中为两个或更多购物车启用免费送货 [英] Enable free shipping for two or more cart items in Woocommerce

问题描述

在Woocommerce中，我想根据购物车的数量提供免费送货服务。首先，我开始研究可用的插件，但找不到基于数量的简单解决方案。

In Woocommerce, I want to offer free shipping based on the number of cart items. First, I began looking at the available plugins and I can't find any simple solution based on quantity.

我要做的就是：购买2件，免费送货。

All I want to do is: buy 2 of anything and get free shipping.

我想找点时间尝试了以下代码：

Messing around, I tried the following code:

function free_ship( $is_available ) {
    $count = 0;
    global $woocommerce;
    $items = $woocommerce->cart->get_cart();
    foreach($items as $item) {
        $count++;
    }
    echo $count;

    if ( $count == 1 ) {
        echo 'add one more for free shipping';
        return $is_available;
    } elseif ($count > 1) {
        echo 'you get free shipping';
        return false;
    } else {
        echo 'nothing in your cart';
        return $is_available;
    }
}
add_filter( 'woocommerce_shipping_free_shipping_is_available', 'free_ship' );

但是在将商品添加到购物车时挂起。从购物车中取出物品时，它也是有问题的。我想用PHP弄清楚这一点，以便我可以进一步添加更多独特的条件，以防将来它们突然出现。

But it hangs when adding items to the cart. It also is buggy when removing things from the cart. I'd like to figure this out in PHP, so that I can further add more unique conditions in they happen to pop up in the future.

有什么建议吗？

推荐答案

您的操作中有一些错误代码，例如缺少参数，复杂性和过时的事物……请尝试以下操作：

There are some mistakes in your code, like missing arguments, complications and outdated things… Try the following instead:

add_filter( 'woocommerce_shipping_free_shipping_is_available', 'free_shipping_for_x_cart_items', 10, 3 );
function free_shipping_for_x_cart_items( $is_available, $package, $shipping_method ) {
    $item_count = WC()->cart->get_cart_contents_count();

    if ( $item_count == 1 ) {
        $notice = __("Add one more for free shipping");
        $is_available = false;
    } elseif ($item_count > 1) {
        $notice = __("You get free shipping");
        $is_available = true;
    }

    if ( isset($notice) ) {
        wc_add_notice( $notice, 'notice' );
    }
    return $is_available;
}

此代码位于您的活动子主题（或活动主题）的function.php文件中主题）。经过测试和工作。

This code goes in function.php file of your active child theme (or active theme). Tested and works.

WC_Cart 方法 get_cart_contents_count（） 获取所有商品的数量（包括数量）。

获取不同购物车商品的数量 （不包括数量），替换以下行：

$item_count = WC()->cart->get_cart_contents_count();

与此一起：

$item_count = sizeof($package['contents']);

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