订单状态完成后更改产品类别

问题描述：

一旦 WooCommerce 中的订单状态完成"，我想将新类别应用于产品.假设产品在(A 类)中，我想在订单状态已完成"上申请(B 类).

I want to apply new category to product once the order status get "completed" in WooCommerce. Let's say that the Product is in (category A) and I want to apply (category B) on order status "completed".

有没有办法做到这一点?

Is there any way to do this?

我找到了几个教程，但不知道如何组合它们:

I found couple of tutorials but don't know how to combine them:

https://wordpress.org/support/主题/自动添加帖子到一个类别的条件

https://wordpress.org/support/topic/woocommerce-on-order-complete-insert-quantity-data-into-custom-database-table

我怎样才能做到这一点?

How can I achieve this?

谢谢！

答

更新

如果您想更改产品的 woocommerce 类别，您应该使用 wp_set_object_terms() 接受类别 ID 或 slug 带有 'product_cat' 分类参数 和 的本机 WordPress 函数不是 'category'.

As you want to change the woocommerce category for a product, you should use wp_set_object_terms() native WordPress function that accept either the category ID or slug with 'product_cat' taxonomy parameter and NOT 'category'.

woocommerce_order_status_completed 钩子通常用于在订单更改为状态完成时触发回调函数.

The woocommerce_order_status_completed hook is classically used to fire a callback function when order change to status completed.

这是代码:

add_action('woocommerce_order_status_completed', 'add_category_to_order_items_on_competed_status' 10, 1);

function add_category_to_order_items_on_competed_status( $order_id ) {

    // set your category ID or slug
    $your_category = 'my-category-slug'; // or $your_category = 123; 
    
    $order = wc_get_order( $order_id );

    foreach ( $order->get_items() as $item_id => $product_item ) {
        $product_id = $product_item->get_product_id();
        
        wp_set_object_terms( $product_id, $your_category, 'product_cat' );
    }
}

或者您也可以使用 woocommerce_order_status_changed 钩子和条件函数来过滤订单已完成"状态:

Or you can use also woocommerce_order_status_changed hook with a conditional function that will filter order "completed" status:

add_action('woocommerce_order_status_changed', 'add_category_to_order_items_on_competed_status' 10, 1);

function add_category_to_order_items_on_competed_status( $order_id ) {

    // set your category ID or slug
    $your_category = 'my-category-slug'; // or $your_category = 123; 
    
    $order = wc_get_order( $order_id );

    if ( $order->has_status( 'completed' ) ) {
        foreach ( $order->get_items() as $item_id => $product_item ) {
            $product_id = $product_item->get_product_id();

            wp_set_object_terms( $product_id, $your_category, 'product_cat' );
        }
    }
}

此代码位于活动子主题或主题的 function.php 文件中.

此代码经过测试且功能齐全.

订单状态完成后更改产品类别

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