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在 Woocommerce 訂單和電子郵件中顯示產品變體的自定義字段

[英]Displaying custom field of product variations within Woocommerce orders and emails

我成功地在 WooCommerce 的后端中為產品變體添加了一個自定義字段,並且能夠顯示其值。 我也想在訂單和電子郵件中包含此值。

//Display Fields in admin on product edit screen
add_action( 'woocommerce_product_after_variable_attributes', 'woo_variable_fields', 10, 3 );

//Save variation fields values
add_action( 'woocommerce_save_product_variation', 'save_variation_fields', 10, 2 );

// Create new fields for variations
function woo_variable_fields( $loop, $variation_data, $variation ) {

echo '<div class="variation-custom-fields">';

  // Text Field
  woocommerce_wp_text_input( 
    array( 
      'id'          => '_text_field['. $loop .']', 
      'label'       => __( 'additional fees (e.g. monthly fee)', 'woocommerce' ), 
      'placeholder' => '',
      //'desc_tip'    => true,
      'wrapper_class' => 'form-row form-row-first',
      //'description' => __( 'Enter the custom value here.', 'woocommerce' ),
      'value'       => get_post_meta($variation->ID, '_text_field', true)
    )
  );

echo "</div>"; 

}

/** Save new fields for variations */
function save_variation_fields( $variation_id, $i) {

// Text Field
$text_field = stripslashes( $_POST['_text_field'][$i] );
update_post_meta( $variation_id, '_text_field', esc_attr( $text_field ) );
}

// Custom Product Variation
add_filter( 'woocommerce_available_variation', 'custom_load_variation_settings_products_fields' );

function custom_load_variation_settings_products_fields( $variations )    { 
$variations['variation_custom_field'] = get_post_meta( $variations[ 'variation_id' ], '_text_field', true );  
return $variations;
}

我正在使用以下內容在購物車中顯示自定義字段的值。

add_filter( 'woocommerce_get_item_data', 'display_custom_field_as_item_data', 20, 2 );
function display_custom_field_as_item_data( $cart_data, $cart_item ) {
    if( $value = get_post_meta( $cart_item['data']->get_id(), '_text_field', true ) ){
        $cart_data[] = array(
            'name' => __( 'Additional Monthly Fee', 'woocommerce' ),
            'value' => sanitize_text_field( $value )
        );
    }
    return $cart_data;
}

此外,現在我將其價值顯示在購物車/結帳模板中每個項目的產品價格/總價以下,如下所示

echo get_post_meta( $_product->get_id(), '_text_field', true );

如何在訂單和電子郵件中顯示此字段的值?

更新:要在訂單頁面和電子郵件通知中顯示,請嘗試以下附加功能(我對woocommerce_get_item_data掛鈎函數進行了一些更改,因此您需要將其替換為以下一個)

// Save custom field value in cart item
add_filter( 'woocommerce_add_cart_item_data', 'save_custom_field_in_cart_object', 30, 3 );
function save_custom_field_in_cart_object( $cart_item_data, $product_id, $variation_id ) {

    // Get the correct Id to be used
    $the_id = $variation_id > 0 ? $variation_id : $product_id;

    if( $value = get_post_meta( $the_id, '_text_field', true ) )
        $cart_item_data['custom_data'] = sanitize_text_field( $value );

    return $cart_item_data;
}

// Display on cart and checkout pages
add_filter( 'woocommerce_get_item_data', 'display_custom_field_as_item_data', 20, 2 );
function display_custom_field_as_item_data( $cart_data, $cart_item ) {
    if( isset( $cart_item['custom_data'] ) ){
        $cart_data[] = array(
            'name' => __( 'Additional Monthly Fee', 'woocommerce' ),
            'value' => $cart_item['custom_data']
        );
    }
    return $cart_data;
}

// Save custom field value in order items meta data
add_action( 'woocommerce_add_order_item_meta', 'add_custom_field_to_order_item_meta', 20, 3 );
function add_custom_field_to_order_item_meta( $item_id, $values, $cart_item_key ) {

    if( isset( $values['custom_data'] ) )
        wc_add_order_item_meta( $item_id, __( 'Additional Monthly Fee', 'woocommerce' ), $values['custom_data'] );
}

代碼位於活動子主題(或主題)的 function.php 文件中。 測試和工作。

它將在所有訂單頁面和電子郵件通知中顯示自定義字段標簽和值。

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