在某些帖子中添加“特色”类

我希望我的主题的用户能够标记一些更重要的帖子，以便我的主题能够吸引更多的关注。我不知道最好的方法是什么？是否可以将默认类别“特色”添加到主题中，当任何人安装我的主题时，该主题将作为选项存在？

编辑：采用在管理屏幕中添加自定义元框的方法：应该这样做吗？

function featured_post() { ?>
  <label><input type="checkbox" id="featured_post"  value="featured_post">Make this a featured post</label>;
<?php }

add_action(\'add_meta_boxes\', \'cd_meta_box_add\');
function cd_meta_box_add() {
add_meta_box(1, \'Featured Post\', \'featured_post\');
}

function save_custom_meta_box($post_id, $post, $update)
{
if (!isset($_POST["meta-box-nonce"]) || !wp_verify_nonce($_POST["meta-box-nonce"], basename(__FILE__)))
    return $post_id;

if(!current_user_can("edit_post", $post_id))
    return $post_id;

if(defined("DOING_AUTOSAVE") && DOING_AUTOSAVE)
    return $post_id;

$slug = "post";
if($slug != $post->post_type)
    return $post_id;


$featured_post_value = "";


if(isset($_POST["featured_post"]))
{
    $featured_post_value = $_POST["featured_post"];
}   
update_post_meta($post_id, "featured_post",      $featured_post_value);
}

add_action("save_post", "save_custom_meta_box", 10, 3);

function annframe_featured_class( $classes ) {
global $post;
if ( get_post_meta( $post->ID, \'featured_post\' ) || \'\' !=    get_post_meta( $post->ID, \'featured_post\' ) ) {
$classes[] = \'featured-post\';
}
return $classes;
}
add_filter( \'post_class\', \'annframe_featured_class\' );

add_action( \'load-post.php\', \'annframe_meta_boxes_setup\' ); add_action( \'load-post-new.php\', \'annframe_meta_boxes_setup\' ); add_action( \'save_post\', \'annframe_save_post_meta\', 10, 2 ); function annframe_meta_boxes_setup() { add_action( \'add_meta_boxes\', \'annframe_add_meta_box\' ); } function annframe_add_meta_box() { add_meta_box( \'featured_post\', // Unique ID __( \'Featured Post\' ), // Title \'annframe_display_meta_box\', // Callback function \'post\', // Admin page (or post type) \'side\', // Context \'high\' ); } function annframe_display_meta_box( $post ) { wp_nonce_field( basename( __FILE__ ), \'ann_meta_boxes_nonce\' ); ?> <label for="meta-box-checkbox"><?php _e( \'Mark as featured\'); ?></label> <input type="checkbox" id="meta-box-checkbox" name="meta-box-checkbox" value="yes" <?php if ( get_post_meta( $post->ID, \'featured_post\', true ) == \'yes\' ) echo \' checked="checked"\'; ?>> <?php } // Save meta value. function annframe_save_post_meta( $post_id, $post ) { /* Verify the nonce before proceeding. */ if ( !isset( $_POST[\'ann_meta_boxes_nonce\'] ) || !wp_verify_nonce( $_POST[\'ann_meta_boxes_nonce\'], basename( __FILE__ ) ) ) return $post_id; /* Get the post type object. */ $post_type = get_post_type_object( $post->post_type ); /* Check if the current user has permission to edit the post. */ if ( !current_user_can( $post_type->cap->edit_post, $post_id ) ) return $post_id; $meta_box_checkbox_value = \'\'; if( isset( $_POST["meta-box-checkbox"] ) ) { $meta_box_checkbox_value = $_POST["meta-box-checkbox"]; } update_post_meta( $post_id, "featured_post", $meta_box_checkbox_value ); } // add class. function annframe_featured_class( $classes ) { global $post; if ( get_post_meta( $post->ID, \'featured_post\' ) && get_post_meta( $post->ID, \'featured_post\', true ) == \'yes\' ) { $classes[] = \'featured-post\'; } return $classes; } add_filter( \'post_class\', \'annframe_featured_class\' );

function add_featured_category() { $mcat = array( \'cat_name\' => \'Featured\', \'category_description\' => \'A Featured Category\', \'category_nicename\' => \'category-featured\', \'category_parent\' => \'\' ); $my_cat_id = wp_insert_category($mcat); } add_action(\'admin_init\', \'add_featured_category\');

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