如何统计分享文件的点击次数

First, let’s add a custom function to track clicks and increment a meta field:

function track_file_download($post_id, $share_file_url) {
    // Increment download count
    $current_count = get_post_meta($post_id, 'file_download_count', true);
    $new_count = intval($current_count) + 1;
    update_post_meta($post_id, 'file_download_count', $new_count);
}

Create a custom shortcode or template function to display the share file with tracking:

function display_shareable_file($post_id = null) {
    // If no post ID is provided, use the current post
    if (!$post_id) {
        $post_id = get_the_ID();
    }

    // Get the share file URL
    $share_file_url = get_post_meta($post_id, 'share_file', true);
    
    if ($share_file_url) {
        // Generate a unique tracking link
        $tracking_url = add_query_arg([
            'download' => base64_encode($post_id),
            'file' => base64_encode($share_file_url)
        ], home_url());

        // Output the link with download count
        $download_count = get_post_meta($post_id, 'file_download_count', true) ?: 0;
        return sprintf(
            '<a href="%s" class="file-download-link">Download File (%d downloads)</a>', 
            esc_url($tracking_url), 
            intval($download_count)
        );
    }
    return '';
}
add_shortcode('share_file', 'display_shareable_file');

Add a handler to process the download tracking:

function handle_file_download_tracking() {
    if (isset($_GET['download']) && isset($_GET['file'])) {
        $post_id = base64_decode($_GET['download']);
        $file_url = base64_decode($_GET['file']);

        // Validate the post ID and file URL
        if ($post_id && $file_url) {
            // Track the download
            track_file_download($post_id, $file_url);

            // Redirect to the actual file
            wp_redirect($file_url);
            exit;
        }
    }
}
add_action('init', 'handle_file_download_tracking');

Usage examples:

echo display_shareable_file(); // For current post
echo display_shareable_file($specific_post_id); // For a specific post