PHP分页类（收藏下）

这是那天不知道谁发的，具体忘记那个人了。

感觉这个类好像很牛B的样子，没实验过。。

<?php
/**
 * page.class.php  php 设计完美分页类 
 * Enter description here ...
 * @author Administrator
 *
 */
    class Page {
        private $total; //数据表中总记录娄
        private $listRows; // 每页显示 行数
        private $limit ="LIMIT 0,5";  
        private $uri;
        private $pageNum;  //页数
        private $config=array('header'=>"条记录",'prev'=>"上一页",'next'=>"下一页",'first'=>"首页",'last'=>"尾页");
        
        private $listNum=5;
        
        public Function __construct($total,$listRows=5,$parameter=''){
            $this->total=$total;
            $this->listRows=$listRows;
            $this->uri=$this->getUri($parameter);
            $this->page=!empty($_GET['page'])?$_GET['page']:1;
            $this->pageNum=ceil($this->total/$this->listRows);
            $this->limit= $this->setLimit();
        }
        
        private function setLimit(){
            return "LIMIT ".($this->page-1)*$this->listRows.",".$this->listRows;
        }
        
        //获取uri 参数
        private Function getUri($parameter){
            $url=$_SERVER['REQUEST_URI'].(strpos($_SERVER['REQUEST_URI'],'?')?'':'?').$parameter;
            $parse= parse_url($url);
            if(isset($parse['query'])){
                parse_str($parse['query'],$params);
                unset($params['page']);
                $url=$parse['path'].'?'.http_build_query($params);
            }
            
            return $url;
        }
        
        private Function __get($args) {
            if($args=="limit"){
                return $this->limit;
            }else{
                return null;
            }
        }
        
        private function start(){
            if($this->total==0){
                return 0;
            }else{
                return ($this->page-1)*$this->listRows+1;
            }
        }
        
        private function end(){
            return min($this->page*$this->listRows,$this->total);
        }
        
        private function first(){
            if($this->page==1){
                $html .="&nbsp;{$this->config['first']}&nbsp;";
            }else{
                $html .="&nbsp;<a href='{$this->uri}&page=1'>{$this->config['first']}</a>&nbsp;";
            }
            return $html;
        }
        
        private function prev(){
            if($this->page==1){
                $html .="&nbsp;{$this->config['prev']}&nbsp;";
            }else{
                $html .="&nbsp;<a href='{$this->uri}&page=".($this->page-1)."'>{$this->config['prev']}</a>&nbsp;";
            }
            return $html;
        }
        
        private function pageList(){
            $linkPage="";
            $inum=floor($this->listNum/2);
            
            for($i=$inum; $i>=1; $i--){
                $page=$this->page-$i;
                if($page<1){
                    continue;
                }
                $linkPage .="<a href='{$this->uri}&page={$page}'>{$page}</a> ";
            }
            
            $linkPage .="{$this->page} ";
            
            for($i=1; $i<=$inum; $i++){
                $page=$this->page+$i;
                if($page<=$this->pageNum){
                    $linkPage .="<a href='{$this->uri}&page={$page}'>{$page}</a> ";
                }else{
                    break;
                }                
            }
            return $linkPage;
        }
        
        private function next(){
            if($this->page==$this->pageNum){
                $html .="&nbsp;{$this->config['next']}&nbsp;";
            }else{
                $html .="&nbsp;<a href='{$this->uri}&page=".($this->page+1)."'>{$this-> config['next']}</a>&nbsp;";
            }
            return $html;
        }
        
        private function last(){
            if($this->page==$this->pageNum){
                $html .="&nbsp;{$this->config['last']}&nbsp;";
            }else{
                $html .="&nbsp;<a href='{$this->uri}&page={$this->pageNum}'>{$this-> config['last']}</a>&nbsp;";
            }
            return $html;
        }
        
        private function gopage(){
            return '<input type="text" onkeydown="javascript:if(event.keyCode==13){var page=(this.value>'.$this->pageNum.')?'.$this->page.':this.value;location.href=\''.$this->uri.'&page=\'+page+\'\'}" value='.$this->page.' style="width:23px" /><input type="button" value="GO" onclick="javascript:var page=(this.previousSibling.value>'.$this->pageNum.')?'.$this->page.':this.previousSibling.value;location.href=\''.$this->uri.'&page=\'+page+\'\'" />&nbsp;';
        }
        
        function fpage($display=array(0,1,2,3,4,5,6,7,8)){
            $html[0]="共有<b>{$this->total}</b>{$this->config['header']}&nbsp;";
            $html[1]="<b>{$this->page}/{$this->pageNum}</b>页&nbsp;";
            $html[2]="本页显示<b>".($this->end()-$this->start()+1)."</b>条，本页<b>{$this->start()}</b>-<b>{$this->end()}</b>条&nbsp;";
            $html[3]=$this->first();
            $html[4]=$this->prev();
            $html[5]=$this->pageList();
            $html[6]=$this->next();
            $html[7]=$this->last();
            $html[8]=$this->goPage();
            foreach ($display as $index){
                $pp .=$html[$index];
            }
            return $pp;
        }
        
    }


?>