thinkphp -ajaxpage --ajax分页

<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2013 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: 麦当苗儿 <zuojiazi@vip.qq.com> <http://www.zjzit.cn>
// +----------------------------------------------------------------------
namespace Think;

class AjaxPage{
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

private $p       = 'p'; //分页参数名
private $url     = ''; //当前链接URL
private $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%',
'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, $parameter = array()) {
C('VAR_PAGE') && $this->p = C('VAR_PAGE'); //设置分页参数名称
/* 基础设置 */
$this->totalRows  = $totalRows; //设置总记录数
$this->listRows   = $listRows;  //设置每页显示行数
$this->parameter  = empty($parameter) ? $_GET : $parameter;
$this->nowPage    = empty($_GET[$this->p]) ? 1 : intval($_GET[$this->p]);
$this->firstRow   = $this->listRows * ($this->nowPage - 1);
}

/**
* 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 $page 页码
* @return string
*/
private function url($page){
return str_replace(urlencode('[PAGE]'), $page, $this->url);
}

/**
* 组装分页链接
* @return string
*/
public function show($c=CONTROLLER_NAME,$a=ACTION_NAME) {
if(0 == $this->totalRows) return '';

/* 生成URL */
$this->parameter[$this->p] = '[PAGE]';
$this->url = U($c.'/'.$a, $this->parameter);
/* 计算分页信息 */
$this->totalPages = ceil($this->totalRows / $this->listRows); //总页数
if(!empty($this->totalPages) && $this->nowPage > $this->totalPages) {
$this->nowPage = $this->totalPages;
}

/* 计算分页零时变量 */
$now_cool_page      = $this->rollPage/2;
$now_cool_page_ceil = ceil($now_cool_page);
$this->lastSuffix && $this->config['last'] = $this->totalPages;

//上一页
$up_row  = $this->nowPage - 1;
$up_page = $up_row > 0 ? '<a class="prev" href="javascript:void(0)" title="' . $up_row . '">' . $this->config['prev'] . '</a>' : '';

//下一页
$down_row  = $this->nowPage + 1;
$down_page = ($down_row <= $this->totalPages) ? '<a class="next" href="javascript:void(0)" title="' . $down_row . '">' . $this->config['next'] . '</a>' : '';

//第一页
$the_first = '';
if($this->totalPages > $this->rollPage && ($this->nowPage - $now_cool_page) >= 1){
$the_first = '<a class="first" href="javascript:void(0)" title="' . 1 . '">' . $this->config['first'] . '</a>';
}

//最后一页
$the_end = '';
if($this->totalPages > $this->rollPage && ($this->nowPage + $now_cool_page) < $this->totalPages){
$the_end = '<a class="end" href="javascript:void(0)" title="' . $this->totalPages . '">' . $this->config['last'] . '</a>';
}

//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 .= '<a class="num" href="javascript:void(0)" title="' . $page . '">' . $page . '</a>';
}else{
break;
}
}else{
if($page > 0 && $this->totalPages != 1){
$link_page .= '<span class="current">' . $page . '</span>';
}
}
}

//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),
$this->config['theme']);
return "<div>{$page_str}</div>";
}
}