WordPress主题中添加文章列表页页码导航的PHP代码实例-贝壳主机网

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WordPress 默认给主题开发者的建议是在文章列表底部提供上下页按钮，所以没有提供直接用在文章列表下的分页导航的函数。这里我提供一个比较完善的分页导航函数。

贝壳主机网、bkvps.com

function Bing_get_pagenavi( $query = false, $num = false, $before = '<ARticle class="pagenavi postlistpagenavi">', $after = '</article>', $options = array() ){

  global $wp_query;

  $options = wp_parse_args( $options, array(

    'pages_text' => '%CURRENT_PAGE%/%TOTAL_PAGES%',

    'current_text' => '%PAGE_NUMBER%',

    'page_text' => '%PAGE_NUMBER%',

    'first_text' => __( '« 首页', 'Bing' ),

    'last_text' => __( '尾页 »', 'Bing' ),

    'next_text' => __( '»', 'Bing' ),

    'prev_text' => '«',

    'dotright_text' => '…',

    'dotleft_text' => '…',

    'num_pages' => 5,

    'always_show' => 0,

    'num_larger_page_numbers' => 3,

    'larger_page_numbers_multiple' => 10

  ) );

  if( $wp_query->max_num_pages <= 1 || is_single() ) return;

  if( !empty( $query ) ){

    $request = $query->request;

    $numposts = $query->found_posts;

    $max_page = $query->max_num_pages;

    $posts_per_page = intval( $num );

  }else{

    $request = $wp_query->request;

    $numposts = $wp_query->found_posts;

    $max_page = $wp_query->max_num_pages;

    $posts_per_page = intval( get_query_var( 'posts_per_page' ) );

  }

  $paged = intval( get_query_var( 'paged' ) );

  if( empty( $paged ) || $paged == 0 ) $paged = 1;

  $pages_to_show = intval( $options['num_pages'] );

  $larger_page_to_show = intval( $options['num_larger_page_numbers'] );

  $larger_page_multiple = intval( $options['larger_page_numbers_multiple'] );

  $pages_to_show_minus_1 = $pages_to_show – 1;

  $half_page_start = floor( $pages_to_show_minus_1 / 2 );

  $half_page_end = ceil( $pages_to_show_minus_1 / 2 );

  $start_page = $paged – $half_page_start;

  if( $start_page <= 0 ) $start_page = 1;

  $end_page = $paged + $half_page_end;

  if( ( $end_page – $start_page ) != $pages_to_show_minus_1 ) $end_page = $start_page + $pages_to_show_minus_1;

  if( $end_page > $max_page ){

    $start_page = $max_page – $pages_to_show_minus_1;

    $end_page = $max_page;

  }

  if( $start_page <= 0 ) $start_page = 1;

  $larger_per_page = $larger_page_to_show * $larger_page_multiple;

  $larger_start_page_start = ( ( floor( $start_page / 10 ) * 10 ) + $larger_page_multiple ) – $larger_per_page;

  $larger_start_page_end = floor( $start_page / 10 ) * 10 + $larger_page_multiple;

  $larger_end_page_start = floor( $end_page / 10 ) * 10 + $larger_page_multiple;

  $larger_end_page_end = floor( $end_page / 10 ) * 10 + ( $larger_per_page );

  if( $larger_start_page_end – $larger_page_multiple == $start_page ){

    $larger_start_page_start = $larger_start_page_start – $larger_page_multiple;

    $larger_start_page_end = $larger_start_page_end – $larger_page_multiple;

  }

  if( $larger_start_page_start <= 0 ) $larger_start_page_start = $larger_page_multiple;

  if( $larger_start_page_end > $max_page ) $larger_start_page_end = $max_page;

  if( $larger_end_page_end > $max_page ) $larger_end_page_end = $max_page;

  if( $max_page > 1 || intval( $options['always_show'] ) == 1 ){

    $pages_text = str_replace( '%CURRENT_PAGE%', number_format_i18n( $paged ), $options['pages_text'] );

    $pages_text = str_replace( '%TOTAL_PAGES%', number_format_i18n( $max_page ), $pages_text);

    echo $before;

    if( !empty( $pages_text ) ) echo '<span class="pages">' . $pages_text . '</span>';

    if( $start_page >= 2 && $pages_to_show < $max_page ){

      $first_page_text = str_replace( '%TOTAL_PAGES%', number_format_i18n( $max_page ), $options['first_text'] );

      echo '<a href="' . esc_url( get_pagenum_link() ) . '" class="first" title="' . $first_page_text . '">' . $first_page_text . '</a>';

    }

    if( $larger_page_to_show > 0 && $larger_start_page_start > 0 && $larger_start_page_end <= $max_page ){

      for( $i = $larger_start_page_start;$i < $larger_start_page_end;$i += $larger_page_multiple ){

        $page_text = str_replace( '%PAGE_NUMBER%', number_format_i18n( $i ), $options['page_text'] );

        echo '<a href="' . esc_url( get_pagenum_link( $i ) ) . '" class="page" title="' . $page_text . '">' . $page_text . '</a>';

      }

    }

    previous_posts_link( $options['prev_text'] );

    for( $i = $start_page;$i <= $end_page;$i++ ){

      if( $i == $paged ){

        $current_page_text = str_replace( '%PAGE_NUMBER%', number_format_i18n( $i ), $options['current_text'] );

        echo '<span class="current">' . $current_page_text . '</span>';

      }else{

        $page_text = str_replace( '%PAGE_NUMBER%', number_format_i18n( $i ), $options['page_text'] );

        echo '<a href="' . esc_url( get_pagenum_link( $i ) ).'" class="page" title="' . $page_text . '">' . $page_text . '</a>';

      }

    }

    if( empty( $query ) ) echo '<span id="next-page">';

    next_posts_link( $options['next_text'], $max_page );

    if( empty( $query ) ) echo '</span>';

  }

  if( $larger_page_to_show > 0 && $larger_end_page_start < $max_page ){

    for( $i = $larger_end_page_start;$i <= $larger_end_page_end;$i += $larger_page_multiple ){

      $page_text = str_replace( '%PAGE_NUMBER%', number_format_i18n( $i ), $options['page_text'] );

      echo '<a href="' . esc_url( get_pagenum_link( $i ) ).'" class="page" title="' . $page_text . '">' . $page_text . '</a>';

    }

  }

  if( $end_page < $max_page ){

    $last_page_text = str_replace( '%TOTAL_PAGES%', number_format_i18n( $max_page ), $options['last_text'] );

    echo '<a href="' . esc_url( get_pagenum_link( $max_page ) ) . '" class="last" title="' . $last_page_text . '">' . $last_page_text . '</a>';

  }

  echo $after;

}