在Thinkphp中使用ajax实现无刷新分页的方法

在Thinkphp目录的Lib\ORG\Util\目录里新建AjaxPage.class.php,写入一下内容：

    <?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){
    $upPage="<a id='big' href='javascript:".$this->ajax_func."(".$upRow.")'>".$this->config['prev']."</a>";
    }else{
    $upPage="";
    }
    if ($downRow <= $this->totalPages){
    $downPage="<a id='big' href='javascript:".$this->ajax_func."(".$downRow.")'>".$this->config['next']."</a>";
    }else{
    $downPage="";
    }
    // << < > >>
    if($nowCoolPage == 1){
    $theFirst = "";
    $prePage = "";
    }else{
    $preRow = $this->nowPage-$this->rollPage;
    $prePage = "<a id='big' href='javascript:".$this->ajax_func."(".$preRow.")'>上".$this->rollPage."页</a>";
    $theFirst = "<a id='big' href='javascript:".$this->ajax_func."(1)' >".$this->config['first']."</a>";
    }
    if($nowCoolPage == $this->coolPages){
    $nextPage = "";
    $theEnd="";
    }else{
    $nextRow = $this->nowPage+$this->rollPage;
    $theEndRow = $this->totalPages;
    $nextPage = "<a id='big' href='javascript:".$this->ajax_func."(".$nextRow.")' >下".$this->rollPage."页</a>";
    $theEnd = "<a id='big' href='javascript:".$this->ajax_func."(".$theEndRow.")' >".$this->config['last']."</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){
    $linkPage .= " <a id='big' href='javascript:".$this->ajax_func."(".$page.")'> ".$page." </a>";
    }else{
    break;
    }
    }else{
    if($this->totalPages != 1){
    $linkPage .= " <span class='current'>".$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;
    }
    }
    ?>

控制器里写入以下内容：

    <?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();
    }
    }
    ?>

模板文件如下：

    <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
    $("#user").replaceWith("<div id='user'>"+data+"</div>"); //user一定要和tpl中的一致
    });
    }
    </script>
    </head>
    <body>
    <div id='user'> <!--这里的user和下面js中的test要一致-->
    <volist id='list' name='list'> <!--内容输出-->
    <{$list.id}>  <{$list.username}><br/>
    </volist>
    <{$page}> <!--分页输出-->
    </div>
    </body>
    </html>

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