在循环中显示自定义帖子类型(专门针对该帖子)的WordPress类别

function create_book_post_type() {
    $args = array(
        'labels' => array(
            'name' => 'Books',
            'singular_name' => 'Book'
        ),
        'public' => true,
        'has_archive' => true,
        'supports' => array('title', 'editor', 'thumbnail')
    );
    register_post_type('book', $args);
}
add_action('init', 'create_book_post_type');

function create_genre_taxonomy() {
    $args = array(
        'labels' => array(
            'name' => 'Genres',
            'singular_name' => 'Genre'
        ),
        'public' => true,
        'hierarchical' => true
    );
    register_taxonomy('genre', 'book', $args);
}
add_action('init', 'create_genre_taxonomy');

<?php
$args = array(
    'post_type' => 'book',
    'posts_per_page' => 10
);
$query = new WP_Query($args);

if ($query->have_posts()) {
    while ($query->have_posts()) {
        $query->the_post();
        // 显示帖子内容
        the_title();
        the_content();
    }
} else {
    // 没有找到帖子
    echo 'No books found.';
}

// 恢复原始的帖子数据
wp_reset_postdata();
?>