一个比较好用的PHP分页类
/** * 分页类 * * @package pager * @author Veidy.lei<veidy .lei@gmail.com> * @version $Id: pager.php,v 1.5 2008/03/26 09:26:39 Veidy.lei Exp $ * @copyright (c) 2008 Veidy.lei Group */ class pager { var $page_num_per_group = 3; //页码每组页码数 var $total_item = 0; //总记录数 var $per_page_num = 10; //每页记录数 var $first_page_num = 1; //首页页码数 var $pre_page_num = 0; //上页页码数 var $next_page_num = 0; //下页页码数 var $last_page_num = 0; //尾页页码数 var $pre_group_page_num = 0; //上一组的显示页码数 var $next_group_page_num = 0; //下一组的显示页码数 var $cur_group_page = array(); //当前组的页面页码数列表 var $cur_page = 1; //当前页码数 var $cur_group = 0; //当前组 var $total_group = 0; //总组数 var $page_num = array(); //所有页码 var $total_page = 0; //总页数 var $cur_item_num = 0; //当前页记录条数 function pager($total_item = 0, $per_page_num = 10, $page_num_per_group = 3) { $this->cur_page = (int)request_var('page', 1); //得到当前页码数 $this->per_page_num = ($per_page_num > 0) ? ceil($per_page_num) : 10; //得到每页记录数 $this->page_num_per_group = ($page_num_per_group > 0) ? ceil($page_num_per_group) : 3; //得到页码每组页码数 if ($total_item < 1) { $this->page_num = false; //即无分页 } else { $this->total_item = $total_item; $this->total_page = ceil($this->total_item / $this->per_page_num); //得到总页数 $this->last_page_num = $this->total_page; //得到尾页页码数 if ($this->cur_page < 1) { $this->cur_page = 1; //得到当前页码数 } if ($this->cur_page > $this->total_page) { $this->cur_page = $this->total_page; //得到当前页码数 } $this->pre_page_num = ($this->cur_page > 1) ? $this->cur_page - 1 : 1; //得到上页页码数 $this->next_page_num = ($this->cur_page < $this->total_page) ? $this->cur_page + 1 : $this->total_page; //得到下页页码数 $this->total_group = ceil($this->total_page / $this->page_num_per_group); //得到总组数 $this->cur_group = ceil($this->cur_page / $this->page_num_per_group); //得到当前组数 if ($this->total_group > 1) { if ($this->cur_group > 1) //当前组不是第一组 { $this->pre_group_page_num = ($this->cur_group - 1) * $this->page_num_per_group; //得到上一组的显示页码数 } if ($this->cur_group < $this->total_group) //当前组不是最后一组 { $this->next_group_page_num = ($this->cur_group * $this->page_num_per_group) + 1; //得到下一组的显示页码数 } } $this->cur_group_page[0] = (($this->cur_group - 1) * $this->page_num_per_group) + 1; //当前组第一页 for ($i = 1; $i < $this->page_num_per_group; $i++) { if ($this->cur_group_page[0] <= ($this->total_page - $i)) { $this->cur_group_page[$i] = $this->cur_group_page[0] + $i; //当前组其它页 } } if ($this->cur_page == $this->total_page) { $this->cur_item_num = $this->total_item - (($this->total_page -1) * $this->per_page_num); } else { $this->cur_item_num = $this->per_page_num; } $this->page_num = array(); $this->page_num['total_item'] = $this->total_item; $this->page_num['page_num_per_group'] = $this->page_num_per_group; $this->page_num['per_page_num'] = $this->per_page_num; $this->page_num['first_page_num'] = $this->first_page_num; $this->page_num['pre_page_num'] = $this->pre_page_num; $this->page_num['next_page_num'] = $this->next_page_num; $this->page_num['last_page_num'] = $this->last_page_num; $this->page_num['pre_group_page_num'] = $this->pre_group_page_num; $this->page_num['next_group_page_num'] = $this->next_group_page_num; $this->page_num['cur_group_page'] = $this->cur_group_page; $this->page_num['cur_page'] = $this->cur_page; $this->page_num['cur_group'] = $this->cur_group; $this->page_num['total_group'] = $this->total_group; $this->page_num['total_page'] = $this->total_page; $this->page_num['cur_item_num'] = $this->cur_item_num; } } /** * 获取各相关页码数 * * @return bool 或 array ，如果是false表示无记录，如果是数组，返回值如下： * $this->page_num['total_item']--------------------------------总记录条数 $this->page_num['page_num_per_group']------------------------每组显示的页码数 $this->page_num['per_page_num']------------------------------每页显示的记录条数 $this->page_num['first_page_num']----------------------------第一页页码 $this->page_num['pre_page_num']------------------------------上一页页码 $this->page_num['next_page_num']-----------------------------下一页页码 $this->page_num['last_page_num']-----------------------------最后一页码 $this->page_num['pre_group_page_num']------------------------上一组显示的页码 $this->page_num['next_group_page_num']-----------------------下一组显示的页码 $this->page_num['cur_group_page']----------------------------当前组的页码列表，是一个数组 $this->page_num['cur_page']----------------------------------当前页码 $this->page_num['cur_group']---------------------------------当前组 $this->page_num['total_group']-------------------------------总组数 $this->page_num['total_page']--------------------------------总页数 $this->page_num['cur_item_num']------------------------------当前页的记录条数 */ function get_page_num() { return $this->page_num; } function get_cur_page() { return $this->cur_page; } } class pager_str extends pager { //设定 var $total_item_str = " 共%s条 "; //共多少条，如果为空表示不要此项 var $cur_item_str = "当前页%s条 "; //当前页多少条，如果为空表示不要此项 var $tj_cur_page_str = "%s/"; //统计段当前页码，如果为空表示不要此项 var $total_page_str = "%s页 "; //总页数，如果为空表示不要此项 var $first_page_str = "<a class="text_link_class" href="%s">首页</a> "; //第一页，如果为空表示不要此项 var $first_page_str2 = "首页 "; //第一页，没有链接的情况，如果为空表示不要此项 var $pre_page_str = "<a class="text_link_class" href="%s">上页</a> "; //上一页，如果为空表示不要此项 var $pre_page_str2 = "上页 "; //上一页，没有链接的情况，如果为空表示不要此项 var $next_page_str = " <a class="text_link_class" href="%s">下页</a> "; //下一页，如果为空表示不要此项 var $next_page_str2 = " 下页 "; //下一页，没有链接的情况，如果为空表示不要此项 var $last_page_str = "<a class="text_link_class" href="%s">尾页</a> "; //最后一页，如果为空表示不要此项 var $last_page_str2 = "尾页 "; //最后一页，没有链接的情况，如果为空表示不要此项 var $go_text_str = " <input name="page" size="3" type="text" value="%s" /> "; //跳转框，如果为空表示不要跳转 var $go_submit_str = " <input name="go" type="submit" value="GO" /> "; //跳转按钮 var $group_split_str = ' ... '; //分页组的分割符，如果为空表示不用显示页数 var $page_split_str = ' '; //页码之间的分割符 var $cur_page_str = "<span class="cur_page_class">%s</span>"; //当前页页码 var $not_cur_page_str = "<a class="num_link_class" href="%s">%s</a>"; //非当前页页码 var $url_start = ''; //网址头 var $url_end = ''; //网址尾 var $style_table = 'border="0" cellpadding="0" cellspacing="0" style="border:0px;"'; //表格样式 var $style_td = 'align="left" style="border-bottom:0px; border-top:0px;"'; //单元格样式 var $page_str = ''; //将要输出的分页内容 function pager_str($options = array()) { global $mod, $do; foreach ( $options as $k=>$v ) { $this->$k = $v; } /* if ($this->url_start == '') { $this->url_start = '/' . $mod . '/'; } if (substr($this->url_start, -1) != '/') //在最后加上'/' { $this->url_start .= '/'; } if ($this->url_end == '') { $this->url_end = $do . '.html'; } if (substr($this->url_end, 0, 1) == '/') //去掉开头的'/' { $this->url_end = substr($this->url_end, 0, -1); } */ //$this->url_start = '/' . $mod . '/; $this->url_start = '?'; $url_arr = array(); if (isset($_POST) && sizeof($_POST) && isset($_GET) && sizeof($_GET)) { $url_arr = array_merge($_POST, $_GET); } else if (isset($_POST) && sizeof($_POST)) { $url_arr = $_POST; } else if (isset($_GET) && sizeof($_GET)) { $url_arr = $_GET; } if (sizeof($url_arr)) { foreach ($url_arr as $k => $v) { if ($k != 'page' && $k != 'go' && $k != 'mod' && $k != 'do') { if ($k == 'key') { $this->url_start .= trim($k) . '=' . replace_str_for_url($v) . '&'; } else { $this->url_start .= trim($k) . '=' . $v . '&'; } } } } $this->pager($this->total_item, $this->per_page_num, $this->page_num_per_group); if ($this->page_num) { $this->page_str = ' <table border="0">style_table . '>'; $this->page_str .= ($this->go_text_str != '') ? ' <form id="page_go" action="' . $this->url_start . $this->url_end . '" enctype="application/x-www-form-urlencoded" method="post">' : ''; $this->page_str .= ' </form> <tbody> <tr> <td>style_td . '>'; $this->page_str .= ($this->total_item_str != '') ? sprintf($this->total_item_str, $this->total_item) : ''; $this->page_str .= ($this->cur_item_str != '') ? sprintf($this->cur_item_str, $this->cur_item_num) : ''; $this->page_str .= ($this->tj_cur_page_str != '') ? sprintf($this->tj_cur_page_str, $this->cur_page) : ''; $this->page_str .= ($this->total_page_str != '') ? sprintf($this->total_page_str, $this->total_page) : ''; if ($this->cur_page == 1) { $this->page_str .= $this->first_page_str2 . $this->pre_page_str2; } else { $this->page_str .= ($this->first_page_str != '') ? sprintf($this->first_page_str, $this->url_start . 'page=' . $this->first_page_num) : ''; $this->page_str .= ($this->pre_page_str != '') ? sprintf($this->pre_page_str, $this->url_start . 'page=' . $this->pre_page_num) : ''; } if ($this->group_split_str != '') { if ($this->pre_group_page_num) { $this->page_str .= ($this->not_cur_page_str != '') ? sprintf($this->not_cur_page_str, $this->url_start . 'page=' . $this->pre_group_page_num, $this->pre_group_page_num) . $this->group_split_str : ''; } foreach ($this->cur_group_page as $k => $v) { if ($this->cur_page == $v) { $this->page_str .= ($this->cur_page_str != '') ? sprintf($this->cur_page_str, $v) : ''; } else { $this->page_str .= ($this->not_cur_page_str != '') ? sprintf($this->not_cur_page_str, $this->url_start . 'page=' . $v, $v) : ''; } $this->page_str .= $this->page_split_str; } if ($this->next_group_page_num) { $this->page_str .= ($this->not_cur_page_str != '') ? $this->group_split_str . sprintf($this->not_cur_page_str, $this->url_start . 'page=' . $this->next_group_page_num, $this->next_group_page_num) : ''; } } if ($this->cur_page == $this->total_page) { $this->page_str .= $this->next_page_str2 . $this->last_page_str2; } else { $this->page_str .= ($this->next_page_str != '') ? sprintf($this->next_page_str, $this->url_start . 'page=' . $this->next_page_num) : ''; $this->page_str .= ($this->last_page_str != '') ? sprintf($this->last_page_str, $this->url_start . 'page=' . $this->last_page_num) : ''; } if ($this->go_text_str != '') { $this->page_str .= sprintf($this->go_text_str, $this->cur_page) . $this->go_submit_str; } $this->page_str .= '</td> </tr> '; $this->page_str .= ($this->go_text_str != '') ? '</tbody> ' : ''; $this->page_str .= '</table> '; } else { $this->page_str = ''; } } function get_page_str() { return $this->page_str; } }</veidy>
