How to implement refresh-free paging using ajax in Thinkphp

<?php

// +----------------------------------------------------------------------

// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]

// +----------------------------------------------------------------------

// | Copyright (c) 2009 http://thinkphp.cn All rights reserved.

// +----------------------------------------------------------------------

// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )

// +----------------------------------------------------------------------

// | Author: liu21st <liu21st@gmail.com>

// +----------------------------------------------------------------------

// $Id: Page.class.php 2712 2012-02-06 10:12:49Z liu21st $

class AjaxPage {

// 分页栏每页显示的页数

public $rollPage = 5;

// 页数跳转时要带的参数

public $parameter ;

// 默认列表每页显示行数

public $listRows = 20;

// 起始行数

public $firstRow ;

// 分页总页面数

protected $totalPages ;

// 总行数

protected $totalRows ;

// 当前页数

protected $nowPage ;

// 分页的栏的总页数

protected $coolPages ;

// 分页显示定制

protected $config = array('header'=>'条记录','prev'=>'上一页','next'=>'下一页','first'=>'第一页','last'=>'最后一页','theme'=>' %totalRow% %header% %nowPage%/%totalPage% 页 %upPage% %downPage% %first% %prePage% %linkPage% %nextPage% %end%');

// 默认分页变量名

protected $varPage;

public function __construct($totalRows,$listRows='',$ajax_func,$parameter='') {

$this->totalRows = $totalRows;

$this->ajax_func = $ajax_func;

$this->parameter = $parameter;

$this->varPage = C('VAR_PAGE') ? C('VAR_PAGE') : 'p' ;

if(!empty($listRows)) {

$this->listRows = intval($listRows);

}

$this->totalPages = ceil($this->totalRows/$this->listRows); //总页数

$this->coolPages = ceil($this->totalPages/$this->rollPage);

$this->nowPage = !empty($_GET[$this->varPage])?intval($_GET[$this->varPage]):1;

if(!empty($this->totalPages) && $this->nowPage>$this->totalPages) {

$this->nowPage = $this->totalPages;

}

$this->firstRow = $this->listRows*($this->nowPage-1);

}

public function setConfig($name,$value) {

if(isset($this->config[$name])) {

$this->config[$name] = $value;

}

}

public function show() {

if(0 == $this->totalRows) return '';

$p = $this->varPage;

$nowCoolPage = ceil($this->nowPage/$this->rollPage);

$url = $_SERVER['REQUEST_URI'].(strpos($_SERVER['REQUEST_URI'],'?')?'':"?").$this->parameter;

$parse = parse_url($url);

if(isset($parse['query'])) {

parse_str($parse['query'],$params);

unset($params[$p]);

$url = $parse['path'].'?'.http_build_query($params);

}

//上下翻页字符串

$upRow = $this->nowPage-1;

$downRow = $this->nowPage+1;

if ($upRow>0){

$upPage="<a id=&#39;big&#39; href=&#39;javascript:".$this->ajax_func."(".$upRow.")&#39;>".$this->config[&#39;prev&#39;]."</a>";

}else{

$upPage="";

}

if ($downRow <= $this->totalPages){

$downPage="<a id=&#39;big&#39; href=&#39;javascript:".$this->ajax_func."(".$downRow.")&#39;>".$this->config[&#39;next&#39;]."</a>";

}else{

$downPage="";

}

// << < > >>

if($nowCoolPage == 1){

$theFirst = "";

$prePage = "";

}else{

$preRow = $this->nowPage-$this->rollPage;

$prePage = "<a id=&#39;big&#39; href=&#39;javascript:".$this->ajax_func."(".$preRow.")&#39;>上".$this->rollPage."页</a>";

$theFirst = "<a id=&#39;big&#39; href=&#39;javascript:".$this->ajax_func."(1)&#39; >".$this->config[&#39;first&#39;]."</a>";

}

if($nowCoolPage == $this->coolPages){

$nextPage = "";

$theEnd="";

}else{

$nextRow = $this->nowPage+$this->rollPage;

$theEndRow = $this->totalPages;

$nextPage = "<a id=&#39;big&#39; href=&#39;javascript:".$this->ajax_func."(".$nextRow.")&#39; >下".$this->rollPage."页</a>";

$theEnd = "<a id=&#39;big&#39; href=&#39;javascript:".$this->ajax_func."(".$theEndRow.")&#39; >".$this->config[&#39;last&#39;]."</a>";

}

// 1 2 3 4 5

$linkPage = "";

for($i=1;$i<=$this->rollPage;$i++){

$page=($nowCoolPage-1)*$this->rollPage+$i;

if($page!=$this->nowPage){

if($page<=$this->totalPages){

$linkPage .= " <a id=&#39;big&#39; href=&#39;javascript:".$this->ajax_func."(".$page.")&#39;> ".$page." </a>";

}else{

break;

}

}else{

if($this->totalPages != 1){

$linkPage .= " <span class=&#39;current&#39;>".$page."</span>";

}

}

}

$pageStr = str_replace(

array('%header%','%nowPage%','%totalRow%','%totalPage%','%upPage%','%downPage%','%first%','%prePage%','%linkPage%','%nextPage%','%end%'),

array($this->config['header'],$this->nowPage,$this->totalRows,$this->totalPages,$upPage,$downPage,$theFirst,$prePage,$linkPage,$nextPage,$theEnd),$this->config['theme']);

return $pageStr;

}

}

?>

<?php

class UserAction extends Action{

public function user(){

import("ORG.Util.AjaxPage");// 导入分页类 注意导入的是自己写的AjaxPage类

$credit = M('user');

$count = $credit->count(); //计算记录数

$limitRows = 5; // 设置每页记录数

$p = new AjaxPage($count, $limitRows,"user"); //第三个参数是你需要调用换页的ajax函数名

$limit_value = $p->firstRow . "," . $p->listRows;

$data = $credit->order('id desc')->limit($limit_value)->select(); // 查询数据

$page = $p->show(); // 产生分页信息，AJAX的连接在此处生成

$this->assign('list',$data);

$this->assign('page',$page);

$this->display();

}

}

?>

<html>

<head>

<title>Ajax无刷新分页</title>

<script type="text/javascript" src="../Public/jquery-1.7.2.min.js"></script>

<script type="text/javascript">

function user(id){ //user函数名 一定要和action中的第三个参数一致上面有

var id = id;

$.get('User/user', {'p':id}, function(data){ //用get方法发送信息到UserAction中的user方法

$("#user").replaceWith("<p id=&#39;user&#39;>"+data+"</p>"); //user一定要和tpl中的一致

});

}

</script>

</head>

<body>

<p id=&#39;user&#39;> <!--这里的user和下面js中的test要一致-->

<volist id=&#39;list&#39; name=&#39;list&#39;> <!--内容输出-->

<{$list.id}>  <{$list.username}><br/>

</volist>

<{$page}> <!--分页输出-->

</p>

</body>

</html>