<?php
namespace Think;
class Page{
public $firstRow; // 起始行数
public $listRows; // 列表每页显示行数
public $parameter; // 分页跳转时要带的参数
public $totalRows; // 总行数
public $totalPages; // 分页总页面数
public $rollPage = 11;// 分页栏每页显示的页数
public $lastSuffix = true; // 最后一页是否显示总页数
public $p = 'p'; //分页参数名
public $url = ''; //当前链接URL
public $nowPage = 1;
// 分页显示定制
private $config = array(
'header' => '<span class="rows">共 %TOTAL_ROW% 条记录</span>',
/*
'prev' => '<<',
'next' => '>>',
'first' => '1...',
'last' => '...%TOTAL_PAGE%',
*/
'prev' => '上一页',
'next' => '下一页',
'first' => '首页',
'last' => '尾页',
'theme' => '%FIRST% %UP_PAGE% %LINK_PAGE% %DOWN_PAGE% %END%',
);
/**
* 架构函数
* @param array $totalRows 总的记录数
* @param array $listRows 每页显示记录数
* @param array $parameter 分页跳转的参数
*/
public function __construct($totalRows, $listRows=20, $parameter = array()) {
// config('VAR_PAGE') && $this->p = config('VAR_PAGE'); //设置分页参数名称
/* 基础设置 */
$p = I('get.p');
$this->totalRows = $totalRows; //设置总记录数
$this->listRows = $listRows; //设置每页显示行数
$this->parameter = empty($parameter) ? input() : $parameter;
$this->nowPage = empty($p) ? 1 : intval($p);
// $this->parameter = empty($parameter) ? $_REQUEST : $parameter;
// $this->nowPage = empty($_REQUEST[$this->p]) ? 1 : intval($_REQUEST[$this->p]);
$this->nowPage = $this->nowPage>0 ? $this->nowPage : 1;
$this->firstRow = $this->listRows * ($this->nowPage - 1);
/* 计算分页信息 */
$this->totalPages = ceil($this->totalRows / $this->listRows)>0 ? ceil($this->totalRows / $this->listRows) : 1; //总页数
}
/**
* 定制分页链接设置
* @param string $name 设置名称
* @param string $value 设置值
*/
public function setConfig($name,$value) {
if(isset($this->config[$name])) {
$this->config[$name] = $value;
}
}
/**
* 生成链接URL
* @param integer $page 页码
* @return string
*/
public function url($page){
return str_replace(urlencode('[PAGE]'), $page, $this->url);
}
/**
* 组装分页链接
* @return string
*/
public function show() {
if(0 == $this->totalRows) return '';
/* 生成URL */
$this->parameter[$this->p] = '[PAGE]';
$this->url = U(ACTION_NAME, $this->parameter);
if(!empty($this->totalPages) && $this->nowPage > $this->totalPages) {
$this->nowPage = $this->totalPages;
}
$total_page = '<li class="paginate_button disabled" style="margin-right: 10px; float: left;"><a href="javascript:void(0)" style="cursor: default">共'.$this->totalPages.'页</a></li>';
/* 计算分页临时变量 */
$now_cool_page = $this->rollPage/2;
$now_cool_page_ceil = ceil($now_cool_page);
$this->lastSuffix && $this->config['last'] = $this->totalPages;
$this->config['last'] = '尾页';
//上一页
$up_row = $this->nowPage - 1;
$up_page .= $up_row >= 1 ? '<li id="example1_previous" class="paginate_button previous"><a class="prev" href="' . $this->url($up_row) . '">' . $this->config['prev'] . '</a></li>' : '<li id="example1_previous" class="paginate_button disabled"><a class="prev" href="javascript:void(0)" style="cursor: default">' . $this->config['prev'] . '</a></li>';
// $up_page .= '<li class="paginate_button disabled"><a href="javascript:void(0)" style="cursor: default">'.$this->nowPage.'</a></li>';
//下一页
$down_row = $this->nowPage + 1;
$down_page = ($down_row <= $this->totalPages) ? '<li id="example1_next" class="paginate_button next"><a class="next" href="' . $this->url($down_row) . '">' . $this->config['next'] . '</a></li>' : '<li id="example1_next" class="paginate_button disabled"><a class="next" href="javascript:void(0)" style="cursor: default">' . $this->config['next'] . '</a></li>';
//第一页
$the_first = '';
if($this->totalPages > $this->rollPage && ($this->nowPage - $now_cool_page) >= 1){
//$the_first = '<li id="example1_previous" class="paginate_button previous disabled"><a class="first" href="' . $this->url(1) . '">' . $this->config['first'] . '</a></li>';
}
//最后一页
$the_end = '';
if($this->totalPages > $this->rollPage && ($this->nowPage + $now_cool_page) < $this->totalPages){
//$the_end = '<li id="example1_previous" class="paginate_button previous disabled"><a class="end" href="' . $this->url($this->totalPages) . '">' . $this->config['last'] . '</a></li>';
}
//数字连接
$link_page = "";
for($i = 1; $i <= $this->rollPage; $i++){
if(($this->nowPage - $now_cool_page) <= 0 ){
$page = $i;
}elseif(($this->nowPage + $now_cool_page - 1) >= $this->totalPages){
$page = $this->totalPages - $this->rollPage + $i;
}else{
$page = $this->nowPage - $now_cool_page_ceil + $i;
}
if($page > 0 && $page != $this->nowPage){
if($page <= $this->totalPages){
$link_page .= '<li class="paginate_button" id="page_num_'.$page.'" pageurl="' . $this->url($page) . '"><a class="num" href="' . $this->url($page) . '">' . $page . '</a></li>';
}else{
break;
}
}else{
if($page > 0 && $this->totalPages != 1){
// $link_page .= '<span class="current">' . $page . '</span>';
$link_page .= '<li class="paginate_button active" id="page_num_'.$page.'" pageurl="' . $this->url($page) . '"><a tabindex="0" data-dt-idx="1" aria-controls="example1" href="#">' . $page . '</a></li>';
}
}
}
if( $this->totalRows >= 20) {
$select_page .= '
<li class="paginate_select">
<select name="pagesize" style="margin-left: 10px;" autocomplete="off" onchange="ey_selectPagesize(this);" autocomplete="off">
';
$select_array = [15, 20, 50, 100, 200];
$pagesize = input('pagesize/d', 0);
foreach ($select_array as $v) {
if($pagesize == $v) {
$select_page .= '<option value="'.$v.'" selected>'.$v.'</option>';
}else {
$select_page .= '<option value="'.$v.'">'.$v.'</option>';
}
}
$select_page .= '
</select>
</li>
';
}
if($this->totalPages > 1) {
$re_page = '<li class="paginate_button pages"><input type="text" id="pagenum" class="form-control" placeholder="页数" maxlength="5" autocomplete="off" oninput="value=value.replace(/[^\d\.]/g,\'\').replace(\'.\',\'$#$\').replace(/\./g,\'\').replace(\'$#$\',\'.\')"><button type="button" class="btn btn-primary" onclick="var pagenum = parseInt($(\'#pagenum\').val());if(isNaN(pagenum)) pagenum = 1;var url = $(\'#page_num_\'+pagenum).attr(\'pageurl\');window.location.href=url;">跳转</button></li>';
}
//替换分页内容
$page_str = str_replace(
array('%HEADER%', '%NOW_PAGE%', '%UP_PAGE%', '%DOWN_PAGE%', '%FIRST%', '%LINK_PAGE%', '%END%', '%TOTAL_ROW%', '%TOTAL_PAGE%'),
array($this->config['header'], $this->nowPage, $up_page, $down_page, $the_first, $link_page, $the_end, $this->totalRows, $this->totalPages),
$this->config['theme']);
return "<div class='dataTables_paginate paging_simple_numbers'><ul class='pagination'>{$total_page}{$page_str}{$select_page}{$re_page}</ul></div>";
}
}