Question

我有很多产品，但图片实际上是类别图片。我希望产品特色图片自动成为它们所在的类别图片。

下面的代码有问题。

function default_category_featured_image() {
global $post;
$featured_image_exists = has_post_thumbnail($post->ID);
              
if (!$featured_image_exists)  {
$attached_image = get_children( "post_parent=$post->ID&post_type=attachment&post_mime_type=image&numberposts=1" );

if ($attached_image) {
                          
foreach ($attached_image as $attachment_id => $attachment) {
set_post_thumbnail($post->ID, $attachment);
}}
else if ( in_category('61') ) {
    set_post_thumbnail($post->ID, '4436'); //arçelik
}
else if ( in_category('64') ) {
    set_post_thumbnail($post->ID, '4435'); //beko
}
else if ( in_category('59') ) {
    set_post_thumbnail($post->ID, '4434'); //LG
}
else if ( in_category('60') ) {
    set_post_thumbnail($post->ID, '4458'); //Philips
    }
else if ( in_category('66') ) {
    set_post_thumbnail($post->ID, '4160'); //Profilo
        }
else if ( in_category('58') ) {
    set_post_thumbnail($post->ID, '4159'); //samsung
            }
else if ( in_category('65') ) {
    set_post_thumbnail($post->ID, '4160'); //seg
                        }
else if ( in_category('62') ) {
    set_post_thumbnail($post->ID, '4433'); //sony
                                    }
else if ( in_category('63') ) {
    set_post_thumbnail($post->ID, '4160'); //vestel
                                                }
else {
set_post_thumbnail($post->ID, '4435'); //genel
wp_reset_postdata();
                               }
                               
                           }
                        
      }
add_action('the_post', 'default_category_featured_image');

Answer 1

您可以使用 init 钩子设置产品缩略图。

<块引用>

确保programmatically_set_thumbnail_to_product 函数完成后从functions.php 文件中删除。

要替换的数据：

输入产品类别 ID“Genel”代替 genel 数组的 $thumbnail_ids 键。

将其添加到您的活动主题的functions.php。

// updates the thumbnails of all products based on the product category image
add_action( 'init', 'programmatically_set_thumbnail_to_product' );
function programmatically_set_thumbnail_to_product() {

    // returns the ids of all products
    $ids = wc_get_products(
        array(
            'return' => 'ids',
            'limit' => -1
        )
    );

    // set the ids of the product categories
    $thumbnail_ids = array(
        58      => 4159, // Samsung
        59      => 4434, // LG
        60      => 4458, // Philips
        61      => 4436, // Arçelik
        62      => 4433, // Sony
        63      => 4160, // Vestel
        64      => 4435, // Beko
        65      => 4160, // Seg
        66      => 4160, // Profilo
        'genel' => 4435  // Genel (set the id of the product category "Genel" as a key)
    );

    // for each product
    foreach ( $ids as $product_id ) {
        // for each product category
        foreach ( $thumbnail_ids as $cat_id => $thumbnail_id ) {
            // check if the product belongs to a product category
            if ( has_term( $cat_id, 'product_cat', $product_id ) ) {
                // if yes, set the product thumbnail
                set_post_thumbnail( $product_id, $thumbnail_id);
                break;
            }
        }
    }

}

此功能将根据相应产品类别的缩略图设置所有产品的缩略图。

添加到 functions.php 后（例如）刷新前端中的产品目录页面，您会注意到所有图像都将被更改/设置。

<块引用>

然后从functions.php中删除它并添加另一个函数。

每次保存或更新产品时都会执行以下功能（自动设置新产品的图像）。

要替换的数据：

输入产品类别 ID“Genel”代替 genel 数组的 $thumbnail_ids 键。

始终将其添加到functions.php。

// when a product is saved or updated it sets the image based on the product category
add_action( 'save_post', 'programmatically_set_thumbnail_to_new_product' );
function programmatically_set_thumbnail_to_new_product( $product_id ) {

    // set the ids of the product categories
    $thumbnail_ids = array(
        58      => 4159, // Samsung
        59      => 4434, // LG
        60      => 4458, // Philips
        61      => 4436, // Arçelik
        62      => 4433, // Sony
        63      => 4160, // Vestel
        64      => 4435, // Beko
        65      => 4160, // Seg
        66      => 4160, // Profilo
        'genel' => 4435  // Genel (set the id of the product category "Genel" as a key)
    );
    
    // for each product category
    foreach ( $thumbnail_ids as $cat_id => $thumbnail_id ) {
        // check if the product belongs to a product category
        if ( has_term( $cat_id, 'product_cat', $product_id ) ) {
            // retrieve product thumbnail id
            $current_thumbnail_id = get_post_thumbnail_id( $product_id );
            // if it is different from that of the product category
            if ( $current_thumbnail_id == false || $current_thumbnail_id != $thumbnail_id ) {
                // set the product thumbnail
                set_post_thumbnail( $product_id, $thumbnail_id );
                break;
            }
        }
    }
}

两个代码都已经过测试并且可以工作。

如何根据产品所属品类的图片，以编程方式设置产品的特色图片

1 个答案: