WordPress文章归档页面分组和分页

<?php
  //设置分页变量
  $paged = (get_query_var('paged')) ? get_query_var('paged') : 1;
    
  //设置查询参数
  $args = array(
      'post_type' => array('post'),
      'posts_per_page' => '80', 
      'paged' => $paged,
      );
  query_posts($args);
  
  if (have_posts()) : while (have_posts()) : the_post(); 
?> 
  <div class="archive d-flex justify-content-between">
    <a href="<?php the_permalink(); ?>"><?php the_title(); ?></a>
    <?php the_time('Y') ?>年<?php the_time('m') ?>月<?php the_time('d') ?>日
  </div>
<? endwhile;endif;?>

<?php 
  wp_pages(); //分页函数，一般可复制主题目录index.php文件中的，每个主题可能不同，
?> 

<?php
/**
 * Template Name: Archives
**/

// 获取当前页面的标题和内容
global $post;
$post_title   = $post->post_title;
$post_content = apply_filters('the_content', $post->post_content);

// 获取文章列表的分页和数据信息
$paged          = (get_query_var('paged')) ? get_query_var('paged') : 1;
$posts_per_page = 15;
$post_data      = sola_get_posts_by_year( $paged, $posts_per_page );
$post_list      = $post_data[0] ?? false;
$max_page       = $post_data[1] ?? 0;

// 开始显示模板
get_header(); ?>
  <div id="content" class="site-content">
    <div id="primary" class="s-container">

      <div class="entry-content">

        <!-- 输出当前页面的标题和写在编辑器里的内容 -->
        <h1><?php echo esc_html($post_title); ?></h1>

        <?php echo $post_content;?>

        <!-- 输出文章列表 -->
        <?php
        if( is_array($post_list) && sizeof($post_list) ){

          foreach( $post_list as $year => $post_items ){

            echo '<h3 class="article-list__year">',esc_html($year),'</h3>';
            echo '<div class="article-list">';

            foreach( $post_items as $post_item ) {
              sola_render_post_item( $post_item, 'article-list__item' );
            }
            echo '</div>';

          }

        }
        ?>
        
        <?php sola_pagination($paged, $max_page); ?>
        
      </div>
    </div>
  </div>

  <!-- 自定义样式 -->
  <style>
    .article-list__year {
        border-bottom: 2px solid #000;
    }

    .article-list {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -ms-flex-wrap: wrap;
            flex-wrap: wrap;
        --spacing: 1em;
        -webkit-box-pack: justify;
            -ms-flex-pack: justify;
                justify-content: space-between;
    }

    .article-list__item {
        width: calc(50% - var(--spacing));
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex ;
        margin-bottom: calc(var(--spacing ) * 1.5 );
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
            -ms-flex-direction: column;
                flex-direction: column;
    }

    .article-list__item .post-title {
        -webkit-box-ordinal-group: 3;
            -ms-flex-order: 2;
                order: 2;
        line-height: 1.7;
    }

    .article-list__item .post-date {
        color: #666;
        font-size: 0.68em;
    }

    .page-numbers {
        padding-left: 0;
    }

    .page-numbers li {
        display: inline-block;
        margin: 0 24px 12px 0;
    }
    @media (max-width: 481.9px){
      .article-list__item{
        width: 100%;
      }
    }
  </style>

<?php
function sola_pagination( $paged = '', $max_page = '' ){
    $big = 999999999; // need an unlikely integer
    if( ! $paged )
        $paged = get_query_var('paged');
    if( ! $max_page )
        $max_page = $wp_query->max_num_pages;

    echo paginate_links( array(
        'base'       => str_replace($big, '%#%', esc_url(get_pagenum_link( $big ))),
        'format'     => '?paged=%#%',
        'current'    => max( 1, $paged ),
        'total'      => $max_page,
        'mid_size'   => 10,
        'prev_text'  => __('«'),
        'next_text'  => __('»'),
        'type'       => 'list'
    ) );
}


function sola_get_posts( $paged = 1, $posts_per_page = 20 ){
  /** 获取该页面的标题和内容 */
  global $post;
  $post_title = $post->post_title;
  $post_content = apply_filters('the_content', $post->post_content);

  /** 用WP_Query获取posts */
  $args = array(
    'posts_per_page'       => absint($posts_per_page),
    'paged'                => $paged,
    'post_type'            => array( 'post' ), 
    'post_status'          => array( 'publish'),
    'ignore_sticky_posts ' => false,
    'orderby'              => 'date',
    'order'                => 'DESC',
  );

  return new WP_Query( $args );
}


function sola_get_posts_by_year( $paged = 1, $posts_per_page = 20 ){

  $post_items = array();
  $post_list = sola_get_posts( $paged, $posts_per_page );
  $max_page = $post_list->max_num_pages;

  if ( $post_list->have_posts() ){
    while ( $post_list->have_posts() ) : $post_list->the_post();

      $year = date('Y', get_post_time());
      $post_item = array(
        'title'     => get_the_title(),
        'permalink' => get_permalink(),
        'year'      => $year,
        'datetime'  => get_the_date(),
      );
      
      $post_items[$year][] = $post_item;

    endwhile;
  }

  wp_reset_postdata();

  return [$post_items, $max_page];
}

function sola_render_post_item( $post_item , $item_class ){
  if( $item_class ){
    $item_class = 'class="'.esc_attr($item_class).'"';
  }
  ?>
  <div <?php echo $item_class; ?>>
    <!-- 带连接的文章标题 -->
    <span class="post-title">
      <a href="<?php echo esc_url($post_item['permalink']) ?>" 
         title="<?php printf( '%s发布于%s', esc_attr($post_item['title']), esc_html( $post_item['datetime']) ); ?>" 
         target="_blank">
         <?php echo esc_html($post_item['title']); ?>
      </a>
    </span>
    <!-- 显示发布日期 -->
    <span class="post-date"><?php echo esc_html( $post_item['datetime']); ?></span>
  </div>

  <?php
} ?>
<?php get_footer(); ?>