一个非常好用的php生成分页的封装类
<?php
class Page {
private $total;
private $pagesize;
private $page;
private $url;
function Page($total,$pagesize,$page) {
$this->total=$total;
$this->pagesize=$pagesize;
$this->page=$page;
$this->url=$this->pageurl();
}
private function pageurl() {
$url=$_SERVER["REQUEST_URI"];
$url=eregi_replace('\?page=[0-9]+','',$url);
$url=eregi_replace('\&page=[0-9]+','',$url);
if(strpos ($url, "?")=="")
{ $url="".$url."?";}
else{ $url="".$url."&";}
Return $url;
}
function pagehtml() {
$count=$this->total/$this->pagesize;
if(is_int($count)) {
$pagecount=$count;
}else {
$pagecount=(int)$count+1;
}
$html='<style type="text/css">.pager{margin:0; font-size:12px;}.pager span{ color:#FFF; background:#666;padding:2px 6px;margin:0 5px;border:1px solid #666;font:normal 12px/28px "宋体"; }.pager a{padding:2px 6px;background-color:#FFF; margin:0 5px; border:1px solid #666;color:#666; text-decoration:none;font:normal 12px/25px "宋体";}.pager a:hover{ padding:2px 6px;background-color:#FFF; margin:0 5px; border:1px solid #666;color:#FFF; background:#666;font:normal 12px/25px "宋体"; }.pager form select{ font:normal 13px/28px "宋体";}</style>';
$html.="<form><p class='pager'>总计: ".$this->total.", 每页：".$this->pagesize.", 页数: ".$this->page.'/'.$pagecount.", ";
if($this->page-3>1) {
$pagestar=$this->page-3;
}else {
$pagestar=1;
}
if($this->page+3<$pagecount)
{
$pageend=$this->page+3;
}else{
$pageend=$pagecount;
}
if($this->page>1) {
$html.='<a href='.$this->url.'page=1 >首 页</a>';
$html.='<a href='.$this->url.'page='.($this->page-1).'>上一页</a>';
}
else {
$html.='<span>首 页</span>';
$html.='<span>上一页</span>';
}
for($ii=$pagestar; $ii<=$pageend; $ii++) {
if($ii<>$this->page) {
$html.='<a href='.$this->url.'page='.$ii.'>'.$ii.'</a>';
}
else {
$html.='<span>'.$ii.'</span>';
}
}
if($this->page<$pagecount) {
$html.='<a href='.$this->url.'page='.($this->page+1).'>下一页</a>';
$html.='<a href='.$this->url.'page='.$pagecount.' >末 页</a>';
}
else {
$html.='<span>下一页</span>';
$html.='<span>末 页</span>';
}
$html.=" <select name='pa' onchange='javascript:window.location.href=this.options[this.selectedIndex].value'>";
for($j=1;$j<=$pagecount;$j++)
{
$html.="<option value='".$this->url."page=".$j."'";
if($j==$this->page) {
$html.=' selected ';
}
$html.=">".$j."</option>";
}
$html.="</select></p></form>";
echo($html);
}
}
?> 
