参考“仅当在 Woocommerce 中应用优惠券时才允许购买特定产品”对我之前的一个问题的回答代码，优惠券代码在函数中硬编码，需要与 Woocommerce 中现有的优惠券代码匹配。但我想从 Woocommerce 动态选择优惠券。如何从woocommerce动态获取优惠券？
3 回答
当年话下
TA贡献1890条经验 获得超9个赞
以下代码扩展了我之前的答案，并将在 WooCommerce > 优惠券部分添加一个复选框，使任何优惠券代码对于特定定义的项目都是“强制性的”：
因此，这样您就不必在函数中定义任何优惠券代码。
整个代码：
// Add a custom checkbox to Admin coupon settings pages
add_action( 'woocommerce_coupon_options', 'add_coupon_option_checkbox', 10 );
function add_coupon_option_checkbox() {
woocommerce_wp_checkbox( array(
'id' => 'items_mandatory',
'label' => __( 'Force specific items', 'woocommerce' ),
'description' => __( 'Make this coupon mandatory for specific items.', 'woocommerce' ),
'desc_tip' => false,
) );
}
// Save the custom checkbox value from Admin coupon settings pages
add_action( 'woocommerce_coupon_options_save', 'save_coupon_option_checkbox', 10, 2 );
function save_coupon_option_checkbox( $post_id, $coupon ) {
update_post_meta( $post_id, 'items_mandatory', isset( $_POST['items_mandatory'] ) ? 'yes' : 'no' );
}
add_action( 'woocommerce_check_cart_items', 'mandatory_coupon_for_specific_items' );
function mandatory_coupon_for_specific_items() {
$targeted_ids = array(37); // The targeted product ids (in this array)
$applied_coupons = WC()->cart->get_applied_coupons();
$coupon_applied = false;
if( sizeof($applied_coupons) > 0 ) {
// Loop through applied coupons
foreach( $applied_coupons as $coupon_code ) {
$coupon = new WC_Coupon( $coupon_code );
if( $coupon->get_meta('items_mandatory') === 'yes' ) {
$coupon_applied = true;
break;
}
}
}
// Loop through cart items
foreach(WC()->cart->get_cart() as $cart_item ) {
// Check cart item for defined product Ids and applied coupon
if( in_array( $cart_item['product_id'], $targeted_ids ) && ! $coupon_applied ) {
wc_clear_notices(); // Clear all other notices
// Avoid checkout displaying an error notice
wc_add_notice( sprintf( 'The product"%s" requires a coupon for checkout.', $cart_item['data']->get_name() ), 'error' );
break; // stop the loop
}
}
}
代码位于活动子主题（或活动主题）的 functions.php 文件中。测试和工作。
在结帐时：
天涯尽头无女友
TA贡献1831条经验 获得超9个赞
试试这个，更改被评论：
add_action( 'woocommerce_check_cart_items', 'mandatory_coupon_for_specific_items' );
function mandatory_coupon_for_specific_items() {
// The targeted product ids (in this array)
$targeted_ids = array(37);
// Get applied $coupon_names
$cart_applied_coupons = WC()->cart->get_applied_coupons()
// Set the variable $coupon_applied to false
$coupon_applied = false;
// Create an array to save all coupon names
$coupon_names = array();
// Get the available coupons
$args = array(
'posts_per_page' => -1,
'orderby' => 'title',
'order' => 'asc',
'post_type' => 'shop_coupon',
'post_status' => 'publish',
);
$all_coupons = get_posts( $args );
if( !empty($all_coupons) ){
// Loop through the available coupons
foreach ( $all_coupons as $coupon ) {
// Get the name for each coupon and add to the previously created array
$coupon_name = $coupon->post_title;
array_push( $coupon_names, $coupon_name );
}
// If one on the coupons is applied change the value of $coupon_applied to true
foreach($coupon_names as $coupon_code){
if( in_array( strtolower($coupon_code), $cart_applied_coupons) ){
$coupon_applied = true;
break;
}
}
}
// Loop through cart items
foreach(WC()->cart->get_cart() as $cart_item ) {
// Check cart item for defined product Ids and applied coupon
if( in_array( $cart_item['product_id'], $targeted_ids ) && ! $coupon_applied ) {
wc_clear_notices(); // Clear all other notices
// Avoid checkout displaying an error notice
wc_add_notice( sprintf( 'The product"%s" requires a coupon for checkout.', $cart_item['data']->get_name() ), 'error' );
break; // stop the loop
}
}
}
千巷猫影
TA贡献1829条经验 获得超7个赞
以为我会分享我的类别版本。使用了此处发布的解决方案和此解决方案的组合。
// Add a custom checkbox to Admin coupon settings pages
add_action( 'woocommerce_coupon_options', 'add_coupon_option_checkbox', 10 );
function add_coupon_option_checkbox() {
woocommerce_wp_checkbox( array(
'id' => 'items_mandatory',
'label' => __( 'Force specific items', 'woocommerce' ),
'description' => __( 'Make this coupon mandatory for specific items.', 'woocommerce' ),
'desc_tip' => false,
) );
}
// Save the custom checkbox value from Admin coupon settings pages
add_action( 'woocommerce_coupon_options_save', 'save_coupon_option_checkbox', 10, 2 );
function save_coupon_option_checkbox( $post_id, $coupon ) {
update_post_meta( $post_id, 'items_mandatory', isset( $_POST['items_mandatory'] ) ? 'yes' : 'no' );
}
// Force Coupon codes for Woocommerce
add_action( 'woocommerce_check_cart_items', 'mandatory_coupon_code' );
function mandatory_coupon_code() {
// Set your product categories in the array (can be term IDs, slugs or names)
$product_categories = array( '58');
$applied_coupons = WC()->cart->get_applied_coupons();
$found = false;
if( sizeof($applied_coupons) > 0 ) {
// Loop through applied coupons
foreach( $applied_coupons as $coupon_code ) {
$coupon = new WC_Coupon( $coupon_code );
if( $coupon->get_meta('items_mandatory') === 'yes' ) {
$coupon_applied = true;
break;
}
}
}
// Loop through cart items to check for the product categories
foreach ( WC()->cart->get_cart() as $cart_item ){
if( has_term( $product_categories, 'product_cat', $cart_item['product_id'] ) ){
$found = true; // cart item from the product category is found
break; // We can stop the loop
}
}
// If not found we exit
if( ! $found ) return; // exit
// Coupon not applied and product category found
if( ! $coupon_applied) {
// Display an error notice preventing checkout
$message = __( 'The product "%s" requires a coupon for checkout.' );
wc_add_notice( sprintf($message, $cart_item['data']->get_name() ), 'error' );
}
}
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