自定义模板页面2不起作用

当我单击下一页时，第2页显示404错误页。第一页没问题。我已使用创建了此自定义帖子类型CPT UI 插件并从头开始构建主题。

    <?php
/**
 * Template name: Art page
 */

get_header();

global $wp_query, $paged;

$artCurrentPage = get_query_var(\'paged\');
$artPosts = new WP_Query(array(
        \'post_type\'      => \'art\',
        \'posts_per_page\' => $wp_query->max_num_pages,
        \'paged\'          => $artCurrentPage
    ));
?>

    <div class="container">
        <div class="row">
            <div class="col-md-12">
                <div class="row">
                    <?php if ( $artPosts->have_posts() ) : ?>
                        <?php while ( $artPosts->have_posts() ) : $artPosts->the_post(); ?>
                        <div class="col-lg-4 col-md-6 col-sm-6">
                            <div class="trd-show-item mb-4">
                                <a class="trd-show-item-link" href="<?php the_permalink() ?>">
                                    <?php
                                        if ( has_post_thumbnail() ) {
                                            the_post_thumbnail( \'medium\' );
                                        }
                                    ?>
                                </a>
                                <div class="trd-show-descr-under">
                                    <a class="trd-show-item-link-text" href="<?php the_permalink() ?>">
                                        <?php 
                                            echo the_title();
                                        ?>
                                    </a>
                                </div>
                            </div>
                        </div>
                        <?php endwhile; ?>
                        <div class="col-md-12">
                            <div class="posts-pagination">
                                <?php
                                    next_posts_link(\'Next Page\', $artPosts->max_num_pages);
                                ?>
                            </div>
                        </div>
                    <?php else : ?>
                        <div class="col-12">
                            <div class="alert alert-info" role="alert"><?php esc_html_e( \'Sorry, we can\\\'t find any art gallery!\', \'artist\' ); ?></div>
                        </div>
                    <?php endif; ?>
                </div>
            </div>
        </div>
    </div>

<?php
get_footer();

$paged = ( get_query_var( \'paged\' ) ) ? get_query_var( \'paged\' ) : 1; $posts_per_page = get_option( \'posts_per_page\' ); $artPosts= new WP_Query( array( \'post_type\' => \'art\', \'posts_per_page\' => $posts_per_page, \'post_status\' => \'publish\', \'orderby\' => \'title\', \'order\' => \'DESC\', \'paged\' => $paged )); <?php if ( $artPosts->have_posts() ) : ?> <?php while ( $artPosts->have_posts() ) : $artPosts->the_post(); ?> // some code for fetching data <?php endwhile; ?> <?php else : ?> <div class="col-12"> <div class="alert alert-info" role="alert"><?php esc_html_e( \'Sorry, we can\\\'t find any art gallery!\', \'artist\' ); ?></div> </div> <?php endif; ?> <div id="pagination"> <?php wpex_pagination($artPosts); ?> </div>

if ( ! function_exists( \'wpex_pagination\' ) ) { function wpex_pagination( $query = \'\' ) { $prev_arrow = is_rtl() ? \'fa fa-angle-right\' : \'fa fa-angle-left\'; $next_arrow = is_rtl() ? \'fa fa-angle-left\' : \'fa fa-angle-right\'; global $wp_query; $wp_query = $query ? $query : $wp_query; $total = $wp_query->max_num_pages; $big = 999999999; // need an unlikely integer if ( $total > 1 ) { if ( ! $current_page = get_query_var( \'paged\' ) ) { $current_page = 1; } if ( get_option(\'permalink_structure\') ) { $format = \'page/%#%/\'; } else { $format = \'&paged=%#%\'; } echo paginate_links( array( \'base\' => str_replace( $big, \'%#%\', esc_url( get_pagenum_link( $big ) ) ), \'format\' => $format, \'current\' => max( 1, get_query_var(\'paged\') ), \'total\' => $total, \'mid_size\' => 3, \'type\' => \'list\', \'prev_text\' => \'<i class="\'. $prev_arrow .\'"></i>\', \'next_text\' => \'<i class="\'. $next_arrow .\'"></i>\', ) ); } } }

Count posts for pagination

我正在为一个网站分页<；上一页（页码）下一页>很简单，已经完成。但是现在我需要添加一个选择器来直接转到页面（例如：转到第7页），要这样做，我需要知道有多少页面，为此我需要计算在查询中找到了多少帖子。问题是这个网站有太多的帖子（>13.000），查询所有帖子都会减慢页面加载速度，这就像。。。10秒后页面才能加载。显然，这是不可接受的。分页解决了这个问题，因为一次只加载50或100篇文章，但我无法将它们全部计算在内。我可以在不加载的情况下统计某个查询中的帖子吗？或者我可以通过其他方式获得页数吗

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Count posts for pagination