我目前正在向我的WooCommerce产品页面成功添加一个字段,该字段显示了以下值：
>在购物车(前端),
>在结帐页面(前端),
>在订单页面(前端),
>和管理员个人订单页面(后端).
问题：它没有在管理订单“自定义字段”MetaBox中显示为自定义字段,其中包含值,但仅作为订单页面中的文本.
这是我的工作代码：
// Add the field to the product
add_action('woocommerce_before_add_to_cart_button', 'my_custom_checkout_field');
function my_custom_checkout_field() {
echo '<div id="my_custom_checkout_field"><h3>'.__('My Field').'</h3>';
echo '<label>fill in this field</label> <input type="text" name="my_field_name">';
echo '</div>';
}
// Store custom field
function save_my_custom_checkout_field( $cart_item_data, $product_id ) {
if( isset( $_REQUEST['my_field_name'] ) ) {
$cart_item_data[ 'my_field_name' ] = $_REQUEST['my_field_name'];
/* below statement make sure every add to cart action as unique line item */
$cart_item_data['unique_key'] = md5( microtime().rand() );
}
return $cart_item_data;
}
add_action( 'woocommerce_add_cart_item_data', 'save_my_custom_checkout_field', 10, 2 );
// Render Meta on cart and checkout
function render_Meta_on_cart_and_checkout( $cart_data, $cart_item = null ) {
$custom_items = array();
/* Woo 2.4.2 updates */
if( !empty( $cart_data ) ) {
$custom_items = $cart_data;
}
if( isset( $cart_item['my_field_name'] ) ) {
$custom_items[] = array( "name" => 'My Field', "value" => $cart_item['my_field_name'] );
}
return $custom_items;
}
add_filter( 'woocommerce_get_item_data', 'render_Meta_on_cart_and_checkout', 10, 2 );
// This is what I think needs changing?
function subscription_order_Meta_handler( $item_id, $values, $cart_item_key ) {
if( isset( $values['my_field_name'] ) ) {
wc_add_order_item_Meta( $item_id, "My Field", $values['my_field_name'] );
}
}
add_action( 'woocommerce_add_order_item_Meta', 'subscription_order_Meta_handler', 1, 3 );
我认为这是代码的最后一点需要改变.它目前显示订单项下的文字,所以也许我需要将wc_add_order_item_Meta调整为其他内容？
我已经尝试了所有东西,但似乎没有用.当我的字段在结帐页面上时,我可以让它工作,但是当我从产品页面拉出它时,我可以使用它.
也许我错过了结帐流程片段？
解决方法:
UPDATE 2017/11/02 (Works perfectly in Woocommerce 3+)
首先,除了在订单页面中的后端“自定义字段”MetaBox中获取my_field_name的值之外,我已经完成了所有工作.
经过一场真正的噩梦之后,我找到了一个非常好的工作解决方案,比以前更好.在后端,您现在有一个自定义元数据框,其自定义字段my_field_name显示正确的值,如此屏幕截图所示：
我的代码分为两部分.
1)订单页面中的后端MetaBox,带有可编辑字段,显示来自产品页面上自定义字段的正确值(在前端)：
// Adding Meta container admin shop_order pages
add_action( 'add_Meta_Boxes', 'mv_add_Meta_Boxes' );
if ( ! function_exists( 'mv_add_Meta_Boxes' ) )
{
function mv_add_Meta_Boxes()
{
add_Meta_Box( 'mv_other_fields', __('My Field','woocommerce'), 'mv_add_other_fields_for_packaging', 'shop_order', 'side', 'core' );
}
}
// Adding Meta field in the Meta container admin shop_order pages
if ( ! function_exists( 'mv_add_other_fields_for_packaging' ) )
{
function mv_add_other_fields_for_packaging()
{
global $post;
$Meta_field_data = get_post_meta( $post->ID, '_my_field_slug', true ) ? get_post_meta( $post->ID, '_my_field_slug', true ) : '';
echo '<input type="hidden" name="mv_other_Meta_field_nonce" value="' . wp_create_nonce() . '">
<p style="border-bottom:solid 1px #eee;padding-bottom:13px;">
<input type="text" style="width:250px;";" name="my_field_name" placeholder="' . $Meta_field_data . '" value="' . $Meta_field_data . '"></p>';
}
}
// Save the data of the Meta field
add_action( 'save_post', 'mv_save_wc_order_other_fields', 10, 1 );
if ( ! function_exists( 'mv_save_wc_order_other_fields' ) )
{
function mv_save_wc_order_other_fields( $post_id ) {
// We need to verify this with the proper authorization (security stuff).
// Check if our nonce is set.
if ( ! isset( $_POST[ 'mv_other_Meta_field_nonce' ] ) ) {
return $post_id;
}
$nonce = $_REQUEST[ 'mv_other_Meta_field_nonce' ];
//Verify that the nonce is valid.
if ( ! wp_verify_nonce( $nonce ) ) {
return $post_id;
}
// If this is an autosave, our form has not been submitted, so we don't want to do anything.
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
return $post_id;
}
// Check the user's permissions.
if ( 'page' == $_POST[ 'post_type' ] ) {
if ( ! current_user_can( 'edit_page', $post_id ) ) {
return $post_id;
}
} else {
if ( ! current_user_can( 'edit_post', $post_id ) ) {
return $post_id;
}
}
// --- Its safe for us to save the data ! --- //
// Sanitize user input and update the Meta field in the database.
update_post_Meta( $post_id, '_my_field_slug', $_POST[ 'my_field_name' ] );
}
}
2)前端/后端：
•产品页面自定义字段(前端).
•在购物车,结帐页面和谢谢订单(前端)上显示此数据.
•在订单页面上显示数据(后端)
// Add the field to the product
add_action('woocommerce_before_add_to_cart_button', 'my_custom_product_field');
function my_custom_product_field() {
echo '<div id="my_custom_field">
<label>' . __( 'My Field') . ' </label>
<input type="text" name="my_field_name" value="">
</div><br>';
}
// Store custom field
add_filter( 'woocommerce_add_cart_item_data', 'save_my_custom_product_field', 10, 2 );
function save_my_custom_product_field( $cart_item_data, $product_id ) {
if( isset( $_REQUEST['my_field_name'] ) ) {
$cart_item_data[ 'my_field_name' ] = $_REQUEST['my_field_name'];
// below statement make sure every add to cart action as unique line item
$cart_item_data['unique_key'] = md5( microtime().rand() );
WC()->session->set( 'my_order_data', $_REQUEST['my_field_name'] );
}
return $cart_item_data;
}
// Add a hidden field with the correct value to the checkout
add_action( 'woocommerce_after_order_notes', 'my_custom_checkout_field' );
function my_custom_checkout_field( $checkout ) {
$value = WC()->session->get( 'my_order_data' );
echo '<div id="my_custom_checkout_field">
<input type="hidden" class="input-hidden" name="my_field_name" id="my_field_name" value="' . $value . '">
</div>';
}
// Save the order Meta with hidden field value
add_action( 'woocommerce_checkout_update_order_Meta', 'my_custom_checkout_field_update_order_Meta' );
function my_custom_checkout_field_update_order_Meta( $order_id ) {
if ( ! empty( $_POST['my_field_name'] ) ) {
update_post_Meta( $order_id, '_my_field_slug', $_POST['my_field_name'] );
}
}
// display field value on the order edit page (not in custom fields MetaBox)
add_action( 'woocommerce_admin_order_data_after_billing_address', 'my_custom_checkout_field_display_admin_order_Meta', 10, 1 );
function my_custom_checkout_field_display_admin_order_Meta($order){
$my_custom_field = get_post_meta( $order->id, '_my_field_slug', true );
if ( ! empty( $my_custom_field ) ) {
echo '<p><strong>'. __("My Field", "woocommerce").':</strong> ' . get_post_meta( $order->id, '_my_field_slug', true ) . '</p>';
}
}
// Render Meta on cart and checkout
add_filter( 'woocommerce_get_item_data', 'render_Meta_on_cart_and_checkout', 10, 2 );
function render_Meta_on_cart_and_checkout( $cart_data, $cart_item = null ) {
$custom_items = array();
if( !empty( $cart_data ) ) $custom_items = $cart_data;
if( isset( $cart_item['my_field_name'] ) )
$custom_items[] = array( "name" => 'My Field', "value" => $cart_item['my_field_name'] );
return $custom_items;
}
// Add the @R_676_4045@ion as Meta data so that it can be seen as part of the order
add_action('woocommerce_add_order_item_Meta','add_values_to_order_item_Meta', 10, 3 );
function add_values_to_order_item_Meta( $item_id, $cart_item, $cart_item_key ) {
// lets add the Meta data to the order (with a label as key slug)
if( ! empty( $cart_item['my_field_name'] ) )
wc_add_order_item_Meta($item_id, __('My field label name'), $cart_item['my_field_name'], true);
}
现在一切都按预期工作了.
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