在WooCommerce 3+中向订单添加自定义字段 [英] Add a custom field to an order in WooCommerce 3+

问题描述

在WooCommerce中，我想添加一个新的自定义字段来订购详细信息.现在，我可以使用下面的代码来创建新的自定义字段"referenceNumber"，并在其中添加"ordercreated".值:

In WooCommerce, I would like to add a new custom field to order details. I now that I can use use the code below to create a new custom field 'referenceNumber' and adds in it "ordercreated" value:

update_post_meta($order_id, 'referenceNumber', 'ordercreated']);

我想要的是在下订单后通过结帐来实现这一目标.

What I would like is to make that through checkout once an order is placed.

但是它不起作用，不会在订单详细信息页面上添加新的自定义字段，也不会添加"ordercreated"值，如您在此屏幕快照中所见:

But it doesn't work it doesn't add a new custom field to order details page and don't add the value 'ordercreated', as you can see in this screenshot:

所以问题是当在WooCommerce下订单时如何添加自定义字段?

So the question is how to add a custom field when an order is placed in WooCommerce?

推荐答案

要将自定义字段添加到订单中，可以使用:

To add a custom field to an order you can use:

• WordPress update_post_meta()函数(来自订单ID):

$order_id = $order->get_id(); // If needed

update_post_meta($order_id, 'referenceNumber', 'ordercreated'); // add and save the custom field

WooCommerce WC_Data update_meta_data()方法(来自订单对象或订单ID):

$order = wc_get_order( $order_id ); // If needed: Get the WC_Order object from the order Id

update_meta_data('referenceNumber', 'ordercreated'); // Add the custom field

$order->save(); // Save the data

其中 referenceNumber 是元密钥，而创建的订单是元值.两者都可以.

Where referenceNumber is the meta key and ordercreated is the meta value. Both works.

现在要在订单中添加自定义字段客户下订单时，您可以使用:

Now to add a custom field to an order when customer place an order, you can use:

• woocommerce_checkout_create_order 操作挂钩(保存订单数据之前-用于在保存之前调整订单数据):

add_action( 'woocommerce_checkout_create_order', 'add_custom_field_on_placed_order', 10, 2 );
function add_custom_field_on_placed_order( $order, $data ){
    $order->update_meta_data( 'referenceNumber', 'ordercreated' );
}

woocommerce_checkout_update_order_meta 操作挂钩(订单已存在-用于添加自定义元数据):

add_action( 'woocommerce_checkout_create_order', 'add_custom_field_on_placed_order', 10, 2 );
function add_custom_field_on_placed_order( $order_id, $data ){
    $order->update_meta_data( 'referenceNumber', 'ordercreated' );
}

woocommerce_checkout_order_created 操作挂钩(订单已存在-触发操作或添加自定义元数据):

add_action( 'woocommerce_checkout_order_created', 'add_custom_field_on_placed_order', 10, 2 );
function add_custom_field_on_placed_order( $order_id, $data ){
    $order->update_meta_data( 'referenceNumber', 'ordercreated' ); // Add the custom field
    $order->save(); // Save data (as order exist yet)
}

或者:

add_action( 'woocommerce_checkout_order_created', 'add_custom_field_on_placed_order' );
function add_custom_field_on_placed_order( $order ){
    update_post_meta($order->get_id(), 'referenceNumber', 'ordercreated');
}

代码进入您的活动子主题(或活动主题)的functions.php文件中.经过测试，可以正常工作.

Code goes in functions.php file of your active child theme (or active theme). Tested and works.

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