WP开发教程 WordPress导师在线教程
<?php /* Plugin >> Name: WP-PageNavi Plugin URI: http://lesterchan.net/portfolio/programming/php/ Description: Adds a more advanced paging navigation to your WordPress blog. Version: 2.50 Author: Lester 'GaMerZ' Chan Author URI: http://lesterchan.net */ /* Copyright 2009 Lester Chan (email : [email protected]) This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ ### Function: Page Navigation: Boxed Style Paging ## 使用的时候如果是自定义的查询就要在函数里添加查询的参数 function tie_get_pagenavi($query = false, $num = false , $before = '', $after = '') { global $wpdb, $wp_query; $pagenavi_options = tie_pagenavi_init(); if (!is_single()) { if( !empty($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')); $paged_2 = intval(get_query_var('page')); if( empty( $paged ) && !empty( $paged_2 ) ) { $paged = intval(get_query_var('page')); } if(empty($paged) || $paged == 0) { $paged = 1; } $pages_to_show = intval($pagenavi_options['num_pages']); $larger_page_to_show = intval($pagenavi_options['num_larger_page_numbers']); $larger_page_multiple = intval($pagenavi_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; $larger_start_page_start = (tie_n_round($start_page, 10) + $larger_page_multiple) - $larger_per_page; $larger_start_page_end = tie_n_round($start_page, 10) + $larger_page_multiple; $larger_end_page_start = tie_n_round($end_page, 10) + $larger_page_multiple; $larger_end_page_end = tie_n_round($end_page, 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($pagenavi_options['always_show']) == 1) { $pages_text = str_replace("%CURRENT_PAGE%", number_format_i18n($paged), $pagenavi_options['pages_text']); $pages_text = str_replace("%TOTAL_PAGES%", number_format_i18n($max_page), $pages_text); echo $before.'<div class="pagebar">'."\n"; if ($start_page >= 2 && $pages_to_show < $max_page) { // 第一页 $first_page_text = str_replace("%TOTAL_PAGES%", number_format_i18n($max_page), $pagenavi_options['first_text']); echo '<span class="first"><a href="'.esc_url(get_pagenum_link()).'" class="first" title="'.$first_page_text.'">'.$first_page_text.'</a></span>'; // dotleft_text if(!empty($pagenavi_options['dotleft_text'])) { echo '<span class="extend">'.$pagenavi_options['dotleft_text'].'</span>'; } } if($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), $pagenavi_options['page_text']); echo '<span class="numbershow"><a href="'.esc_url(get_pagenum_link($i)).'" class="page page-item page-link st" title="'.$page_text.'">'.$page_text.'</a></span>'; } } if(!empty(get_previous_posts_link())) : echo '<span class="page-pre">'; previous_posts_link($pagenavi_options['prev_text']); echo '</span>'; endif; echo '<span class="page-numbar">'; for($i = $start_page; $i <= $end_page; $i++) { //当前页， 就是当前页数的输出 if($i == $paged) { $current_page_text = str_replace("%PAGE_NUMBER%", number_format_i18n($i), $pagenavi_options['current_text']); echo '<a class="current page-num page-num-current">'.$current_page_text.'</a>'; } //非当前页的输出 else { $page_text = str_replace("%PAGE_NUMBER%", number_format_i18n($i), $pagenavi_options['page_text']); echo '<a href="'.esc_url(get_pagenum_link($i)).'" class="page-item page-link st page-num" title="'.$page_text.'">'.$page_text.'</a>'; } } echo '</span>'; if (!empty(get_next_posts_link())): echo '<span class="page-next">'; next_posts_link($pagenavi_options['next_text'], $max_page); echo '</span>'; endif; if(!empty($pages_text)) { echo '<span class="whereisit"><a class="page-item page-link page-num" href="javascript:;">'.$pages_text.'</a></span>'; } echo '</div>'.$after."\n"; //yes this is the end } 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), $pagenavi_options['page_text']); echo '<span><a href="'.esc_url(get_pagenum_link($i)).'" class="page" title="'.$page_text.'">'.$page_text.'</a></span>'; } } if ($end_page < $max_page) { if(!empty($pagenavi_options['dotright_text'])) { echo '<span class="extend">'.$pagenavi_options['dotright_text'].'</span>'; } $last_page_text = str_replace("%TOTAL_PAGES%", number_format_i18n($max_page), $pagenavi_options['last_text']); echo '<span><a href="'.esc_url(get_pagenum_link($max_page)).'" class="last" title="'.$last_page_text.'">'.$last_page_text.'</a></span>'; } } } ### Function: Round To The Nearest Value function tie_n_round($num, $tonearest) { return floor($num/$tonearest)*$tonearest; } ### Function: Page Navigation Options function tie_pagenavi_init() { $pagenavi_options = array(); $pagenavi_options['pages_text'] = __('Page %CURRENT_PAGE% of %TOTAL_PAGES%' ); $pagenavi_options['current_text'] = '%PAGE_NUMBER%'; $pagenavi_options['page_text'] = '%PAGE_NUMBER%'; $pagenavi_options['first_text'] = __('« First'); $pagenavi_options['last_text'] = __('Last »'); $pagenavi_options['next_text'] = __('»','tie'); $pagenavi_options['prev_text'] = __('<<','tie'); $pagenavi_options['dotright_text'] = '...'; $pagenavi_options['dotleft_text'] = '...'; $pagenavi_options['num_pages'] = 5; $pagenavi_options['always_show'] = 0; $pagenavi_options['num_larger_page_numbers'] = 3; $pagenavi_options['larger_page_numbers_multiple'] = 10; return $pagenavi_options; } add_filter('previous_posts_link_attributes', 'filter_previous_anchor'); function filter_previous_anchor($attr) { # code... $attr .= 'class="page-item page-link st"'; return $attr; } //hook to add span to the previuos and next
用法
在主题文件夹下新建一个pagenavi.php文件，然后把代码粘贴进去，然后在functions.php里导入文件，
require_once get_template_directory() . '/pagenavi.php';
然后在需要分页的页面添加函数：
tie_get_pagenavi($query)
$query是代表当前的查询，也就是wp_query, 如果是默认的wp_query，也就是没有自定义的wp_query， 就为空，如果你的自定义查询是$the_query，就为$the_query.
