在archive.php上使用自定义post类型的wordpress中的Ajax分页

function create_custom_post_type() {
    register_post_type('custom_post',
        array(
            'labels' => array(
                'name' => 'Custom Posts',
                'singular_name' => 'Custom Post'
            ),
            'public' => true,
            'has_archive' => true,
            'rewrite' => array('slug' => 'custom-posts'),
        )
    );
}
add_action('init', 'create_custom_post_type');

$args = array(
    'post_type' => 'custom_post',
    'posts_per_page' => 10,
    'paged' => get_query_var('paged') ? get_query_var('paged') : 1
);

$query = new WP_Query($args);

if ($query->have_posts()) {
    while ($query->have_posts()) {
        $query->the_post();
        // 显示文章内容
    }
}

function ajax_pagination() {
    $args = array(
        'post_type' => 'custom_post',
        'posts_per_page' => 10,
        'paged' => $_POST['page']
    );

    $query = new WP_Query($args);

    if ($query->have_posts()) {
        while ($query->have_posts()) {
            $query->the_post();
            // 返回文章内容
        }
    }

    wp_die();
}
add_action('wp_ajax_ajax_pagination', 'ajax_pagination');
add_action('wp_ajax_nopriv_ajax_pagination', 'ajax_pagination');

<button id="load-more">Load More</button>

jQuery(document).ready(function($) {
    var page = 2; // 下一页的页码

    $('#load-more').click(function() {
        $.ajax({
            url: ajaxurl,
            type: 'POST',
            data: {
                action: 'ajax_pagination',
                page: page
            },
            success: function(response) {
                // 处理返回的数据
                page++; // 增加下一页的页码
            }
        });
    });
});