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• 在 Woocommerce 存檔頁面中顯示所有產品類型的庫存

 add_action( 'woocommerce_after_shop_loop_item', 'display_variable_product_stock_quantity', 10 );函數 display_variable_product_stock_quantity(){wc_get_variable_product_stock_quantity('echo_html');}函數 show_stock() {全球$產品；if ( $product->stock ) {//如果管理庫存已啟用如果 ( !$product->managing_stock() && !$product->is_in_stock() )回聲'';}if ( number_format($product->stock,0,'','') > 0 ) {//如果庫存不足echo '<div class="remainingpc" style="text-align:center;"><font color="red">' .number_format($product->stock,0,'','') .' 左 Pcs

';}別的 {echo '<div class="remaining" style="text-align:center;"><font color="red">缺貨</font></div>';}}add_action('woocommerce_after_shop_loop_item','show_stock', 10);

如果產品是變量，我會使用此答案代碼來顯示庫存可用性:
獲取Woocommerce 中可變產品的所有變體的總庫存

如何將這些代碼合并到一個條件函數中?

例如.如果產品是簡單產品，則不會顯示可變產品的其他代碼.

以下將處理 woocommerce 存檔產品頁面中所有產品類型的庫存可用性顯示為商店.

要處理除變量之外的其他產品類型的庫存可用性顯示，您可以使用專用函數 wc_get_stock_html() 代替，這將簡化代碼.

add_action( 'woocommerce_after_shop_loop_item', 'wc_loop_get_product_stock_availability_text', 10 );函數 wc_loop_get_product_stock_availability_text() {全球 $wpdb, $product;//對于可變產品if( $product->is_type('變量') ) {//獲取所有產品變體(子項)的庫存數量總和$stock_quantity = $wpdb->get_var("SELECT SUM(pm.meta_value) FROM {$wpdb->prefix}posts as pJOIN {$wpdb->prefix}postmeta as pm ON p.ID = pm.post_idWHERE p.post_type = 'product_variation'AND p.post_status = '發布' AND p.post_parent = '".get_the_id()."'AND pm.meta_key = '_stock' AND pm.meta_value 不為空");如果( $stock_quantity > 0 ){echo '<p class="stock in-stock">'.sprintf( __("%s in stock", "woocommerce"), $stock_quantity ).'</p>';} 別的 {如果 ( is_numeric($stock_quantity) )echo '<p class="庫存缺貨">'.__("缺貨", "woocommerce") .'</p>';別的返回;}}//其他產品類型別的 {回聲 wc_get_stock_html( $product );}}

代碼位于活動子主題(或活動主題)的 function.php 文件中.經測試有效.

I am using this code in showing the stocks of products:

    add_action( 'woocommerce_after_shop_loop_item', 'display_variable_product_stock_quantity', 10 );
function display_variable_product_stock_quantity(){
    wc_get_variable_product_stock_quantity( 'echo_html' );
} 

function show_stock() {
global $product;
if ( $product->stock ) { // if manage stock is enabled 
if ( ! $product->managing_stock() && ! $product->is_in_stock() )
        echo '';
}
if ( number_format($product->stock,0,'','') > 0 ) { // if stock is low
echo '<div class="remainingpc" style="text-align:center;"><font color="red"> ' . number_format($product->stock,0,'','') . ' Pcs Left</font></div>';
} 
else {
echo '<div class="remaining" style="text-align:center;"><font color="red">Out of Stock</font></div>'; 
}
}

add_action('woocommerce_after_shop_loop_item','show_stock', 10);

And if the product is a variable I use this answer code to display the stock availability:
Get the total stock of all variations from a variable product In Woocommerce

How can I merge this codes in a single conditional function?

For example. if the products is a simple product, the other code for variable product will not display.

The following will handle the display of the stock availability for all product types in woocommerce archive product pages as shop.

To handle the stock availability display for other product types than variable, you can use the dedicated function wc_get_stock_html() instead, which will simplify the code.

add_action( 'woocommerce_after_shop_loop_item', 'wc_loop_get_product_stock_availability_text', 10 );
function wc_loop_get_product_stock_availability_text() {
    global $wpdb, $product;

    // For variable products
    if( $product->is_type('variable') ) {

        // Get the stock quantity sum of all product variations (children)
        $stock_quantity = $wpdb->get_var("
            SELECT SUM(pm.meta_value) FROM {$wpdb->prefix}posts as p
            JOIN {$wpdb->prefix}postmeta as pm ON p.ID = pm.post_id
            WHERE p.post_type = 'product_variation'
            AND p.post_status = 'publish' AND p.post_parent = '".get_the_id()."'
            AND pm.meta_key = '_stock' AND pm.meta_value IS NOT NULL
        ");

        if ( $stock_quantity > 0 ) {
            echo '<p class="stock in-stock">'. sprintf( __("%s in stock", "woocommerce"), $stock_quantity ).'</p>';
        } else {
            if ( is_numeric($stock_quantity) )
                echo '<p class="stock out-of-stock">' . __("Out of stock", "woocommerce") . '</p>';
            else
                return;
        }
    }
    // Other products types
    else {
        echo wc_get_stock_html( $product );
    }
}

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

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