Woocommerce管理员编辑订单页面常规部分中的自定义可编辑字段

问题描述：

在Woocommerce中，以下代码检索特定的自定义订单项元数据，并在管理订单页面的常规区域下添加一个可编辑的自定义字段：

In Woocommerce, the code below retrieves specific custom order item meta data and adds an editable custom field in the admin edit orders pages, under general section area:

function editable_order_meta_general( $order_id ){ 
    $order = wc_get_order( $order_id );

    // Loop through order items
    foreach( $order->get_items() as $item_id => $item ){
        $yourref  = $item->get_meta('Your Reference');
    }
    ?>
    <br class="clear" />
    <h4>Customer Details <a href="#" class="edit_address">Edit</a></h4>        

    <div class="address">                               
    <p><strong>Customer Reference:</strong> <?php echo $yourref ?></p>    
    </div>
    <div class="edit_address"><?php 

    woocommerce_wp_text_input( array(
        'id' => 'Your Reference',
        'label' => 'Customer Ref:',
        'value' => $yourref,
        'wrapper_class' => 'form-field-wide'
    ) );

    ?></div>
}
add_action( 'woocommerce_admin_order_data_after_order_details', 'editable_order_meta_general' );

现在我正在尝试使用以下代码保存自定义可编辑字段值，但它没有一旦点击更新，就不要保存任何内容。

Now I'm trying to save the custom editable field value with the following code, but it doesn't save anything once I hit update.

function save_general_detail_metas( $ord_id ){
    update_post_meta( $ord_id, 'Your Reference', wc_clean( $_POST[ 'Your Reference' ] ) );
    // wc_clean() and wc_sanitize_textarea() are WooCommerce sanitization functions
}
add_action( 'woocommerce_process_shop_order_meta', 'save_general_detail_metas' );

我在做什么错？

任何帮助将不胜感激。

答

您的代码中存在一些错误和错误。请尝试以下操作：

There is some errors and mistakes in your code. try the following instead:

// Output a custom editable field in backend edit order pages under general section
add_action( 'woocommerce_admin_order_data_after_order_details', 'editable_order_custom_field', 12, 1 );
function editable_order_custom_field( $order ){
    // Loop through order items
    foreach( $order->get_items() as $item_id => $item ){
        // Get "customer reference" from order item meta data
        if( $item->get_meta('Your Reference') ){
            // The "customer reference"
            $item_value = $item->get_meta('Your Reference');

            // We output a hidden field with the Item ID (to be able to update this order item meta data later)
            echo '<input type="hidden" name="item_id_ref" value="' . $item_id . '">';

            break; // We stop the loop
        }
    }

    // Get "customer reference" from meta data (not item meta data)
    $updated_value = $order->get_meta('_customer_ref');

    // Replace "customer reference" value by the meta data if it exist
    $value = $updated_value ? $updated_value : ( isset($item_value) ? $item_value : '');

    // Display the custom editable field
    woocommerce_wp_text_input( array(
        'id'            => 'customer_ref',
        'label'         => __("Customer Reference:", "woocommerce"),
        'value'         => $value,
        'wrapper_class' => 'form-field-wide',
    ) );
}

// Save the custom editable field value as order meta data and update order item meta data
add_action( 'woocommerce_process_shop_order_meta', 'save_order_custom_field_meta_data', 12, 2 );
function save_order_custom_field_meta_data( $post_id, $post ){
    if( isset( $_POST[ 'customer_ref' ] ) ){
        // Save "customer reference" as order meta data
        update_post_meta( $post_id, '_customer_ref', sanitize_text_field( $_POST[ 'customer_ref' ] ) );

        // Update the existing "customer reference" item meta data
        if( isset( $_POST[ 'item_id_ref' ] ) )
            wc_update_order_item_meta( $_POST[ 'item_id_ref' ], 'Your Reference', $_POST[ 'customer_ref' ] );
    }
}

代码会出现在您活跃孩子的function.php文件中主题（或主题）。经过测试并可以正常工作。

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

Woocommerce管理员编辑订单页面常规部分中的自定义可编辑字段

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