如何在[products]短代码的商品项中显示文章自定义字段comp_city

数据老陈

2026-7-18

解决方法

问题核心是你读取comp_city字段时误用了商品的$post->ID——在[products]短代码的循环逻辑里，全局$post指向的是当前遍历的商品，而非嵌入短代码的文章。要显示文章的自定义字段，必须先获取嵌入短代码的文章ID，再读取对应元数据。

修改后的完整代码如下：

add_action("add_fields_prod_item", "woo_add_fields_prod_item", 5);
function woo_add_fields_prod_item()
{
    global $post, $product;

    // 读取商品自定义字段
    $demo_name = get_post_meta($post->ID, "comp_name", true);
    $demo_servtype = get_post_meta($post->ID, "comp_type", true);

    // 获取嵌入短代码的文章ID，读取文章自定义字段
    $current_post_id = get_queried_object_id();
    $demo_city = get_post_meta($current_post_id, "comp_city", true);

    // 渲染商品自定义字段
    if ($demo_name) {
        echo '<div class="cart-meta-attr"><span class="param">Name:</span> <span class="value">' .
            $demo_name .
            "</span> ";
    }
    if ($demo_servtype) {
        echo '<div class="cart-meta-attr"><span class="param">Type:</span> <span class="value">' .
            $demo_servtype .
            "</span> ";
    }

    // 渲染文章自定义字段
    if ($demo_city) {
        echo '<div class="cart-meta-attr"><span class="param">City:</span> <span class="value">' .
            $demo_city .
            "</span> ";
    }
}