<?php
//可以实现在功能变动时，连接自动更新
class pager{
/*
$newPager = new pager();
$newPager->page=1; 起始页
$newPager->pageDisplay=5; 显示页码
$newPager->table="product"; //数据表
echo $newPager->outputPager(); 输出分页
*/
var $page; //默认页
var $pageDisplay;//显示页数
var $table;//要分页的表
var $pageNum;
function newURL(){
$url = $_SERVER['REQUEST_URI'];//获取URL
$explodeUrl = explode("&p=",$url);//分解URL $newURL = $explodeUrl[0];
return $newURL;
}
function total(){//信息数
return $num;
}
function pageNum(){//页数
if($this->total()%$this->pageDisplay){
$this->pageNum = intval($this->total()/$this->pageDisplay)+1; }
else{
$this->pageNum=$this->total()/$this->pageDisplay;
}
return $this->pageNum;
}
function page(){//下一页
if($_GET['p']!=""){$this->page=$_GET['p']+1;}
if($_GET['p'] >= $this->pageNum()){$this->page=$this->pageNum();}
return $this->page;
}
function nextpage(){//上一页
$next = $_GET['p']-1;
if($next<=0){$next=0;}
return $next;
}
function start(){
$start = ($this->page()-1)*$this->pageDisplay;
return $start;
}
function outputPager(){
if($this->pageNum()>1){
return "<div id='pageDiv'>
<ul>
<li><a href='".$this->newURL()."&p=0'>|首页|</a><li>
<li><a href='".$this->newURL()."&p=".$this->nextpage()."'>|上一页|</a></li>
<li><a href='".$this->newURL()."&p=".$this->page()."'>|下一页|</a></li>
<li><a href='".$this->newURL()."&p=".$this->pageNum."'>|未页|</a></li>
<li>".$this->page."/".$this->pageNum()."页</li>
<li>共".$this->total()."项</li>
</div>
";
}
}
}
class area{
}
?>