thinkphp分页类改造

thinkphp自带的分页，没法通过配置让当前页页码显示在页码条中间（我的还是2.0,不知道3.0+可以了么），所以就改了下，效果还不错

<?php <br /> // +----------------------------------------------------------------------<br> // | ThinkPHP [ WE CAN DO IT JUST THINK IT ]<br> // +----------------------------------------------------------------------<br> // | Copyright (c) 2009 http://thinkphp.cn All rights reserved.<br> // +----------------------------------------------------------------------<br> // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )<br> // +----------------------------------------------------------------------<br> // | Author: liu21st <liu21st> modified by 米国村长<br> // +----------------------------------------------------------------------<br> // $Id$<br> <br> class Page extends Think {<br>     // 起始行数<br>     public $firstRow    ;<br>     // 列表每页显示行数<br>     public $listRows    ;<br>     // 页数跳转时要带的参数<br>     public $parameter  ;<br>     // 分页总页面数<br>     protected $totalPages  ;<br>     // 总行数<br>     protected $totalRows  ;<br>     // 当前页数<br>     protected $nowPage    ;<br>     // 分页的栏的总页数<br>     protected $coolPages   ;<br>     // 分页栏每页显示的页数<br>     protected $rollPage   ;<br>     //这里将$page写成类的成员属性，其实不用，懒的改了<br>     public $page;<br>     // 分页显示定制<br>     //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%');<br>     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'=>'<span>共 %totalRow% %header%</span>   %upPage%  %linkPage% %downPage%');<br> <br>     /**<br>      +----------------------------------------------------------<br>      * 架构函数<br>      +----------------------------------------------------------<br>      * @access public<br>      +----------------------------------------------------------<br>      * @param array $totalRows  总的记录数<br>      * @param array $listRows  每页显示记录数<br>      * @param array $parameter  分页跳转的参数<br>      +----------------------------------------------------------<br>      */<br>     public function __construct($totalRows,$listRows,$parameter='') {<br>         $this->totalRows = $totalRows;<br>         $this->parameter = $parameter;<br>         $this->rollPage = C('PAGE_ROLLPAGE');<br>         $this->listRows = !empty($listRows)?$listRows:C('PAGE_LISTROWS');<br>         $this->totalPages = ceil($this->totalRows/$this->listRows);     //总页数<br>         $this->coolPages  = ceil($this->totalPages/$this->rollPage);<br>         $this->nowPage  = !empty($_GET[C('VAR_PAGE')]) ? $_GET[C('VAR_PAGE')]:1;<br>         if(!empty($this->totalPages) && $this->nowPage>$this->totalPages) {<br>             $this->nowPage = $this->totalPages;<br>         }<br>         $this->firstRow = $this->listRows*($this->nowPage-1);<br>     }<br> <br>     public function setConfig($name,$value) {<br>         if(isset($this->config[$name])) {<br>             $this->config[$name]    =   $value;<br>         }<br>     }<br> <br>     /**<br>      +----------------------------------------------------------<br>      * 分页显示输出<br>      +----------------------------------------------------------<br>      * @access public<br>      +----------------------------------------------------------<br>      */<br>     public function show() {<br>         if(0 == $this->totalRows) return '';<br>         $p = C('VAR_PAGE');<br>         $nowCoolPage      = ceil($this->nowPage/$this->rollPage);<br>         $url  =  $_SERVER['REQUEST_URI'].(strpos($_SERVER['REQUEST_URI'],'?')?'':"?").$this->parameter;<br>         $parse = parse_url($url);<br>         if(isset($parse['query'])) {<br>             parse_str($parse['query'],$params);<br>             unset($params[$p]);<br>             $url   =  $parse['path'].'?'.http_build_query($params);<br>         }<br>         //上下翻页字符串<br>         $upRow   = $this->nowPage-1;<br>         $downRow = $this->nowPage+1;<br>         if ($upRow>0){<br>             $upPage="<a>".$this->config['prev']."</a>";<br>         }else{<br>             $upPage="<span>上一页</span>";<br>         }<br> <br>         if ($downRow totalPages){<br>             $downPage="<a>".$this->config['next']."</a>";<br>         }else{<br>             $downPage="<span>下一页 </span>";<br>         }<br>         //  >>    //<br>         /*if($nowCoolPage == 1){<br>             $theFirst = "";<br>             $prePage = "";<br>         }else{<br>             $preRow =  $this->nowPage-$this->rollPage;<br>             $prePage = "<a>上".$this->rollPage."页</a>";<br>             $theFirst = "<a>".$this->config['first']."</a>";<br>         }<br>         if($nowCoolPage == $this->coolPages){<br>             $nextPage = "";<br>             $theEnd="";<br>         }else{<br>             $nextRow = $this->nowPage+$this->rollPage;<br>             $theEndRow = $this->totalPages;<br>             $nextPage = "<a>下".$this->rollPage."页</a>";<br>             $theEnd = "<a>".$this->config['last']."</a>";<br>         }<br>      */<br>     // 1 2 3 4 5<br>     <br>     $linkPage = "";<br>     if($totalpage rollPage){<br>         for($i = 1;$itotalPages;$i++){        //若页码数不够设置的显示页数 ，比如设置显示5页，但只有3页数据<br>             if($i == $this->nowPage){<br>                 $linkPage .= "<span>".$i."</span>";<br>             }else{<br>                 $linkPage .= "<a>".$i."</a>";<br>             }<br>         }<br>     }else{<br>         $mid = ceil($this->rollPage/2);<br>         if($this->nowPage >= $mid && $this->nowPage totalPages - $mid)){    //当前页在页码中间靠右时，保持左边有2个页码<br>             $this->page = $this->nowPage - ($this->rollpage/2 - 1);//这个2使当前页保持在中间（每次显示5个页码时），如果一次显示7个页码，改成3即可保持当前页在中间<br>             for($i = 1; $i rollPage; $i++){<br>                 if($this->page == $this->nowPage){<br>                     $linkPage .= "<span>".$this->page."</span>";<br>                 }else{<br>                     $linkPage .= "<a>page'>".$this->page."</a>";<br>                 }<br>                 $this->page++;<br>             }<br>         }elseif($this->nowPage              for($i = 1; $i rollPage; $i++){                //如1234567 当前页为3<br>                 $this->page = $i;<br>                 if($this->page == $this->nowPage){<br>                     $linkPage .= "<span>".$this->page."</span>";<br>                 }else{<br>                     $linkPage .= "<a>page'>".$this->page."</a>";<br>                 }<br>             }<br>         }elseif($this->nowPage > $this->totalPages - $mid){                //当前页在coolPages是最后一页时，直接循环出剩下的页面就行<br>             for($i = $this->totalPages - $this->rollPage + 1; $i totalPages; $i++){<br>                 $this->page = $i;<br>                 if($this->page == $this->nowPage){<br>                     $linkPage .= "<span>".$this->page."</span>";<br>                 }else{<br>                     $linkPage .= "<a>page'>".$this->page."</a>";<br>                 }<br>             }<br> <br>         }<br>     }<br>     <br>         $pageStr     =     str_replace(<br>             array('%header%','%nowPage%','%totalRow%','%totalPage%','%upPage%','%downPage%','%first%','%prePage%','%linkPage%','%nextPage%','%end%'),<br>             array($this->config['header'],$this->nowPage,$this->totalRows,$this->totalPages,$upPage,$downPage,$theFirst,$prePage,$linkPage,$nextPage,$theEnd),$this->config['theme']);<br>         return $pageStr;<br>     }<br> <br> }<br> ?></liu21st>

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