【TP3.2】TP3.2下实现ajax分页(原创+亲测可用)

一,写在最开始:ajax分页的原理,是利用了js的ajax执行请求,获取分页list和分页page 【代码块】,去替换页面显示数据的【代码块】

     技术:js的ajax + TP3.2的fetch("Index/data")技术,仅此而已。

1、在Library\Think\ 目录下直接加入以下代码:Ajaxpage.class.php

<?php
/**
 * ajax分页类,有namespace,使用方法:
 * 控制器直接$ajaxpage = new \Think\Ajaxpage($p1,$p2,$p3);
 * @param unknowtype
 * @return return_type
 * @author xzz  2018年4月27日上午8:49:19
 */
namespace Think;

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;
        $this->varPage = 'p' ;
        if(!empty($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 nowpage($totalRows,$listRows='',$ajax_func,$parameter='') {
        $this->totalRows = $totalRows;
        $this->ajax_func = $ajax_func;
        $this->parameter = $parameter;
        $this->varPage = 'p' ;
        if(!empty($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);
 
        return $this->nowPage;
    }
 
    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){
            $upPage="<a class='ajaxify' id='big' href='JavaScript:".$this->ajax_func."(".$upRow.")'>".$this->config['prev']."</a>";
        }else{
            $upPage="";
        }
 
        if ($downRow <= $this->totalPages){
            $downPage="<a class='ajaxify' id='big' href='javascript:".$this->ajax_func."(".$downRow.")'>".$this->config['next']."</a>";
        }else{
            $downPage="";
        }
        // << < > >>
        if($nowCoolPage == 1){
            $theFirst = "";
            $prePage = "";
        }else{
            $preRow =  $this->nowPage-$this->rollPage;
            $prePage = "<a class='ajaxify' id='big' href='javascript:".$this->ajax_func."(".$preRow.")'>上".$this->rollPage."页</a>";
            $theFirst = "<a class='ajaxify' id='big' href='javascript:".$this->ajax_func."(1)' >".$this->config['first']."</a>";
        }
        if($nowCoolPage == $this->coolPages){
            $nextPage = "";
            $theEnd="";
        }else{
            $nextRow = $this->nowPage+$this->rollPage;
            $theEndRow = $this->totalPages;
            $nextPage = "<a class='ajaxify' id='big' href='javascript:".$this->ajax_func."(".$nextRow.")' >下".$this->rollPage."页</a>";
            $theEnd = "<a class='ajaxify' id='big' href='javascript:".$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){
                   $linkPage .= " <a class='ajaxify' id='big' href='javascript:".$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;
    }
 
}
 
?>

2、TP3.2的控制器中:ajax_action 是ajax请求的路由,action是页面请求的路由。我们直接访问action

/**
     * 用户行为列表,自定义的ajax分页,使用方式不应该是页面访问,
     * 而应该是js的onload完成进行ajax初始化访问 
     * @author xuzhengzong 2018/04/28
     */
    public function ajax_action($model='Action'){
        //获取列表数据
        //统计要查询数据的数量
        $page_size = 10;       //评论固定10条
        $page = intval($_REQUEST['p']);
        $id = intval($_REQUEST['id']);
        if(empty($page))$page = 1;
        $limit = (($page-1)*$page_size).",".$page_size  ;
        
    //让分页支持多条件查询 -- xuzhengzong 2018/04/28    
        $where['status'] = array('gt',-1);
        //$_REQURST['cond'] && $where['cond'] = $_REQURST['cond']; //多条件查询判断
        $list = M($model)->where($where)->order('id desc')->limit($limit)->select();
        $count[0]['count'] = M($model)->where($where)->count("*");    
    //end
    
        $param = '';
        //$map['status'] = array('gt',1);
        $Page       = new \Think\Ajaxpage($count[0]['count'],$page_size, index,$param);// 实例化分页类 传入总记录数和每页显示的记录数(25)
        $show       = $Page->show();// 分页显示输出
        foreach($list as $k=>$v){
            $list[$k]['status_text'] = $v['type']==1?'启用':'禁用';
        }
        
        $this->assign('_page',$show);
        $this->assign('_list', $list);
        $html['content'] = $this->fetch('Ajax/action');
        $this->ajaxReturn($html);
    }
    /**
     * 用户行为列表
     * @author
     */
    public function action(){
        //获取列表数据
        $Action =   M('Action')->where(array('status'=>array('gt',-1)));
        $this->meta_title = '用户行为';
        $this->display();
    }

3、html && js:下面代码我们知道,页面document加载完,执行index(1)的方法请求第一个页面的数据list和page分页

<!-- 数据列表+ajax分页 -->
 <div id="list" class="list">
    
 </div>

<script type="text/javascript">
/* 初始化加载action_ajax分页数据 --xuzhengzong 2018/04/28 */
var init_id = 1;
index(init_id);     //初始化页面 init_id==1
function index(id){
    var id = id;
    //把数据传递到要替换的控制器方法中
    $.ajax({
        url:'/index.php/Admin/User/ajax_action',
        type:"GET",
        async:false,
        dataType:"JSON",
        //data:{'p':id,'id':deal_id},
        data:{'p':id},
        success:function(data){
            $("#list").replaceWith(data.content);  //html块替换html的div
        },
        error:function(data){
            console.log("4:ajax not run~");
        }
    });
}
</script>

4、核心:上面【data.content】,是加载下面的Ajax/action.html进行替换的。

Ajax/action.html:

<div id="list" class="list">
<!-- 用户行为ajax分页示例demo页面 -->
<div class="data-table" id="data-table">
<table class="">
    <thead>
        <tr>
        <th class="row-selected row-selected"><input class="check-all" type="checkbox"/></th>
        <th class="">编号</th>
        <th class="">标识</th>
        <th class="">名称</th>
        <th class="">类型</th>
        <th class="">规则</th>
        <th class="">状态</th>
        <th class="">操作</th>
        </tr>
    </thead>
    <tbody>
        <volist name="_list" id="vo">
        <tr>
            <td><input class="ids" type="checkbox" name="ids[]" value="{$vo.id}" /></td>
            <td>{$vo.id} </td>
            <td>{$vo.name}</td>
            <td><a href="{:U('editAction?id='.$vo['id'])}">{$vo.title}</a></td>
            <td><span>{:get_action_type($vo['type'])}</span></td>
            <td>{$vo.remark}</td>
            <td>{$vo.status_text}</td>
            <td><a href="{:U('User/editAction?id='.$vo['id'])}">编辑</a>
                <a href="{:U('User/setStatus?Model=action&ids='.$vo['id'].'&status='.abs(1-$vo['status']))}" class="ajax-get">{$vo.status|show_status_op}</a>
                <a href="{:U('User/setStatus?Model=action&status=-1&ids='.$vo['id'])}" class="confirm ajax-get">删除</a>
                </td>
        </tr>
        </volist>
    </tbody>
    </table>

    </div>
    <!-- 分页 -->
    <div class="page">{$_page}</div>
    <!-- /分页 -->
    
</div>

5、重点讲解 为什么 要存在Ajax/action.html文件

我们知道TP3.2的display()是输出模板,而fetch()是接手模板,但是不渲染。 完了,还没看明白自行查看TP的fetch()方法。

6、效果: 路由没带p参数,跳转到第二页咯。

 

posted @ 2018-04-28 14:36  PHP急先锋  阅读(2481)  评论(0编辑  收藏  举报