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178 lines
7.6 KiB
178 lines
7.6 KiB
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006-2014 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: 麦当苗儿 <zuojiazi@vip.qq.com> <http://www.zjzit.cn>
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// +----------------------------------------------------------------------
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namespace Page;
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class ajaxPage {
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public $firstRow; // 起始行数
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public $listRows; // 列表每页显示行数
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public $parameter; // 分页跳转时要带的参数
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public $totalRows; // 总行数
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public $totalPages; // 分页总页面数
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public $rollPage = 11; // 分页栏每页显示的页数
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public $lastSuffix = true; // 最后一页是否显示总页数
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private $p = 'page'; //分页参数名
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public $url = ''; //当前链接URL
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private $nowPage = 1;
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public $ext = '/';
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// 分页显示定制
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private $config = array(
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'header' => '<li class="rows">共 %TOTAL_ROW% 条记录</li>',
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'prev' => '<<上一页',
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'next' => '下一页>>',
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'first' => '首页',
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'lasts' => '最后一页',
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'theme' => '%FIRST% %UP_PAGE% %LINK_PAGE% %DOWN_PAGE% %END%',
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);
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/**
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* 架构函数
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* @param array $totalRows 总的记录数
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* @param array $listRows 每页显示记录数
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* @param array $parameter 分页跳转的参数
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*/
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public function __construct($totalRows, $listRows = 20, $parameter = array(), $ext = '/') {
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// Config('VAR_PAGE') && $this->p = Config('VAR_PAGE'); //设置分页参数名称
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/* 基础设置 */
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$this->totalRows = $totalRows; //设置总记录数
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$this->listRows = $listRows; //设置每页显示行数
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$this->parameter = empty($parameter) ? $_GET : $parameter;
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$this->nowPage = empty(input($this->p)) ? 1 : input($this->p, 'intval');
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$this->firstRow = $this->listRows * ($this->nowPage - 1);
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$this->ext = $ext;
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}
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/**
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* 定制分页链接设置
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* @param string $name 设置名称
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* @param string $value 设置值
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*/
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public function setConfig($name, $value) {
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if (isset($this->config[$name])) {
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$this->config[$name] = $value;
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}
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}
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/**
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* 生成链接URL
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* @param integer $page 页码
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* @return string
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*/
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private function url($page) {
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return str_replace('[PAGE]', $page, $this->url);
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}
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/**
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* 组装分页链接
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* @return string
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*/
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public function show() {
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if (0 == $this->totalRows)
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return '';
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/* 生成URL */
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$this->parameter[$this->p] = '[PAGE]';
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$url_tmp = $flag ='';
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/* 计算分页信息 */
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$this->totalPages = ceil($this->totalRows / $this->listRows); //总页数
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if (!empty($this->totalPages) && $this->nowPage > $this->totalPages) {
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$this->nowPage = $this->totalPages;
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}
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/* 计算分页临时变量 */
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$now_cool_page = $this->rollPage / 2;
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$now_cool_page_ceil = ceil($now_cool_page);
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$this->lastSuffix && $this->config['last'] = $this->totalPages;
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//上一页
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$up_row = $this->nowPage - 1;
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$prev_url = $this->url($up_row);
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$up_page = $up_row > 0 ? '<li><a class="m-datatable__pager-link m-datatable__pager-link--prev " target="_self" data-page="'.$up_row.'" href="javascript:;">' . $this->config['prev'] . '</a></li>' : '';
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//下一页
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$down_row = $this->nowPage + 1;
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$down_page = ($down_row <= $this->totalPages) ? '<li><a class="m-datatable__pager-link m-datatable__pager-link--next" target="_self" data-page="'.$down_row.'" href="javascript:;" >' . $this->config['next'] . '</a></li>' : '';
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//第一页
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$the_first = '';
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if ($this->totalPages > $this->rollPage && ($this->nowPage - $now_cool_page) > 2) {
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$the_first = '<li><a class="m-datatable__pager-link m-datatable__pager-link--first" target="_self" data-page="1" href="javascript:;">' . $this->config['first'] . '</a></li>';
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//添加省略号
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if ($this->nowPage > 4)
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$the_first .= '<li>...</li>';
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}
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//最后一页
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$the_end = '';
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if ($this->totalPages > $this->rollPage && ($this->nowPage + $now_cool_page) < $this->totalPages) {
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if (($this->totalPages - ($this->nowPage + 2)) >= 1) {
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$the_end = '<li>...</li>';
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}
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$the_end .= '<li><a class="m-datatable__pager-link m-datatable__pager-link--last" target="_self" data-page="'.$this->totalPages.'" href="javascript:;" >' . $this->totalPages . '</a></li>';
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}
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//数字连接
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$link_page = "";
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//当前页等于 1/2/3/4 的时候显示 5 个
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$page_limit = [1, 2, 3, 4];
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if (in_array($this->nowPage, $page_limit)) {
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$show_num = 5;
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} else {
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$show_num = 0;
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}
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for ($i = 1; $i <= $this->rollPage; $i++) {
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if (($this->nowPage - $now_cool_page) <= 0 || ($this->nowPage - $now_cool_page_ceil) == 1) {
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$page = $i;
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} elseif (($this->nowPage + $now_cool_page - 1) >= $this->totalPages) {
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$page = $this->totalPages - $this->rollPage + $i;
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} else {
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$page = $this->nowPage - $now_cool_page_ceil + $i;
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}
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if ($page > 0 && $page != $this->nowPage) {
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if ($page <= $this->totalPages) {
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//如果是第一页 去除 _1参数
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$curr_url = $this->url($page);
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if ($page == 1) {
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$curr_url = $this->url($page);
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}
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if ($i <= $show_num || $show_num == 0 || $this->totalPages < 6) {
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//如果总页数不小于7，当前页不大于 4，隐藏2
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if (!(($i == 1 && $this->totalPages < 7 && $this->nowPage > 4))) {
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$link_page .= '<li><a class="m-datatable__pager-link " target="_self" data-page="'.$page.'" href="javascript:;" >' . $page . '</a></li>';
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}
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//如果仅有5页，并且为第5页的时候
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if ($i == 1 && $this->totalPages == 5 && $this->nowPage == 5) {
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$link_page = '<li><a class="m-datatable__pager-link m-datatable__pager-link--prev " target="_self" data-page="1" href="javascript:;">' . $this->config['first'] . '</a></li>';
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}
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}
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} else {
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break;
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}
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} else {
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if ($page > 0 && $this->totalPages != 1) {
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$link_page .= '<li ><a class="m-datatable__pager-link m-datatable__pager-link-number m-datatable__pager-link--active" href="javascript:;">'.$page.'</a></li>';
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}
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}
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}
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if ($this->totalPages > 1) {
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//替换分页内容
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$page_str = str_replace(
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array('%HEADER%', '%NOW_PAGE%', '%UP_PAGE%', '%DOWN_PAGE%', '%FIRST%', '%LINK_PAGE%', '%END%', '%TOTAL_ROW%', '%TOTAL_PAGE%'), array($this->config['header'], $this->nowPage, $up_page, $down_page, $the_first, $link_page, $the_end, $this->totalRows, $this->totalPages), $this->config['theme']);
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return "{$page_str}";
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}
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}
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}
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