基于特定产品类别的WooCommerce结帐消息 [英] WooCommerce checkout message based on specific product category

问题描述

WordPress商店正在使用WooCommerce，我有一个小的购买说明，我需要出现在WooCommerce Checkout上，但仅当购买某种产品时才可以。

Wordpress store is using WooCommerce, and I have a small purchase note that I need to appear on WooCommerce Checkout, but only when a certain product is being purchased.

我添加了一条自定义消息，该消息现在显示在下订单按钮下方。
但是无论购物车中的物品是什么，它都会显示出来。

I have added a custom message that now appears below the Place Order button. However its showing up no matter what is in the cart.

这是我当前使用的代码：

This is the code I currently have in place:

add_action( 'woocommerce_after_checkout_form', 'allclean_add_checkout_content', 12 );
function allclean_add_checkout_content() {
echo '<div class="checkoutdisc">Custom message appears here fine.</div>';
}

是否可以在此行之前添加一个简单的代码， 仅在购物车中使用特定类别的产品时适用吗？

Is there a simple code that I can add before this line, that makes it only apply when a certain category product is in the cart?

谢谢

推荐答案

在这里，我们检查购物车中是否有带有这个特殊类别的产品。如果满足条件（在购物车中的一项），则显示消息。

Here we check that we have a product item in cart with this special category. If the condition is matched (in one of the items of the cart), the message is displayed.

以下是代码：

add_action( 'woocommerce_after_checkout_form', 'allclean_add_checkout_content', 12 );
function allclean_add_checkout_content() {
    // set your special category name, slug or ID here:
    $special_cat = 'special_category';
    $bool = false;
    foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) {
        $item = $cart_item['data'];
        if ( has_term( $special_cat, 'product_cat', $item->id ) )
            $bool = true;
    }
    // If the special cat is detected in one items of the cart
    // It displays the message
    if ($bool)
        echo '<div class="checkoutdisc">This is Your custom message displayed.</div>';
}

您也可以使用数组产品ID 而不是产品类别...

You can also use an array of products Ids instead of a product category...

在这种情况下，代码将有所不同：

In this case the code will be a little bit different:

add_action( 'woocommerce_after_checkout_form', 'allclean_add_checkout_content', 12 );
function allclean_add_checkout_content() {
    // set your products IDs here:
    $product_ids = array( 31, 68, 87, 124);
    $bool = false;
    foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) {
        $item = $cart_item['data'];
        if ( in_array( $item->id, $product_ids ) )
            $bool = true;
    }
    // If the special cat is detected in one items of the cart
    // It displays the message
    if ($bool)
        echo '<div class="checkoutdisc">This is Your custom message displayed.</div>';
}

此代码包含在活动子主题的function.php文件中（或主题），也可以在任何插件文件中。

This code goes in function.php file of your active child theme (or theme) or also in any plugin file.

此代码已经过测试，可以正常工作。

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