摘要：大挖之前跟大家分享过一个在wordpress后台文章列表添加缩略图上传功能的文章。这款是给大家一个更简单的版本，减少了上...
大挖之前跟大家分享过一个在wordpress后台文章列表添加缩略图上传功能的文章。这款是给大家一个更简单的版本，减少了上传与删除功能，只是一个显示调用功能，方便大小进行缩略图查看，因为更多的用户习惯是进入文章上传特色图片，很少人会通过后台列表就直接上传缩略图，所以大挖今天给大家推荐一个更简单的方案。
将下面的代码复制到当前wordpress主题的functions.php模板文件中，保存即可。
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if ( !function_exists('fb_AddThumbColumn') && function_exists('add_theme_support') ) { // for post and page add_theme_support('post-thumbnails', array( 'post', 'page' ) ); function fb_AddThumbColumn($cols) { $cols['thumbnail'] = __('Thumbnail'); return $cols; } function fb_AddThumbValue($column_name, $post_id) { $width = (int) 35; $height = (int) 35; if ( 'thumbnail' == $column_name ) { // thumbnail of WP 2.9 $thumbnail_id = get_post_meta( $post_id, '_thumbnail_id', true ); // image from gallery $attachments = get_children( array('post_parent' => $post_id, 'post_type' => 'attachment', 'post_mime_type' => 'image') ); if ($thumbnail_id) $thumb = wp_get_attachment_image( $thumbnail_id, array($width, $height), true ); elseif ($attachments) { foreach ( $attachments as $attachment_id => $attachment ) { $thumb = wp_get_attachment_image( $attachment_id, array($width, $height), true ); } } if ( isset($thumb) && $thumb ) { echo $thumb; } else { echo __('None'); } } } // for posts add_filter( 'manage_posts_columns', 'fb_AddThumbColumn' ); add_action( 'manage_posts_custom_column', 'fb_AddThumbValue', 10, 2 ); // for pages add_filter( 'manage_pages_columns', 'fb_AddThumbColumn' ); add_action( 'manage_pages_custom_column', 'fb_AddThumbValue', 10, 2 ); } |
