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php 简单的分页类的简单示例，
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对一个简单的
PHP分页类
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/**
* 一个简单的PHP分页类代码
*
* @param
* @arrange 512-笔记网： jb51.cc
**/
class Page {
private $total; //数据表中总记录数
private $listRows; //每页显示行数
private $limit;
private $uri;
private $pageNum; //页数
private $config=array('header'=>"个记录","prev"=>"上一页","next"=>"下一页","first"=>"首 页","last"=>"尾 页");
private $listNum=8;
/*
* $total
* $listRows
*/
public function __construct($total,$listRows=10,$pa=""){
$this->total=$total;
$this->listRows=$listRows;
$this->uri=$this->getUri($pa);
$this->page=!empty($_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.",{$this->listRows}";
}
private function getUri($pa){
$url=$_SERVER["REQUEST_URI"].(strpos($_SERVER["REQUEST_URI"],'?')?'':"?").$pa;
echo $url;
$parse=parse_url($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.='';
else
$html.=" <a href="{$this->uri}&page=1">{$this->config["first"]}</a> ";
return $html;
}
private function prev(){
if($this->page==1)
$html.='';
else
$html.=" <a href="{$this->uri}&page='.($this->page-1).'">{$this->config["prev"]}</a> ";
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.='';
else
$html.=" <a href="{$this->uri}&page='.($this->page+1).'">{$this->config["next"]}</a> ";
return $html;
}
private function last(){
if($this->page==$this->pageNum)
$html.='';
else
$html.=" <a href="{$this->uri}&page='.($this->pageNum).'">{$this->config["last"]}</a> ";
return $html;
}
private function goPage(){
return ' <input style="WIDTH: 25px" value="'.$this->page.'"><input value="GO" type="button"> ';
}
function fpage($display=array(0,1,2,3,4,5,6,7,8)){
$html[0]=" 共有<strong>{$this->total}</strong>{$this->config["header"]} ";
$html[1]=" 每页显示<strong>".($this->end()-$this->start()+1)."</strong>条，本页<strong>{$this->start()}-{$this->end()}</strong>条 ";
$html[2]=" <strong>{$this->page}/{$this->pageNum}</strong>页 ";
$html[3]=$this->first();
$html[4]=$this->prev();
$html[5]=$this->pageList();
$html[6]=$this->next();
$html[7]=$this->last();
$html[8]=$this->goPage();
$fpage='';
foreach($display as $index){
$fpage.=$html[$index];
}
return $fpage;
}
}
/*** 来自编程之家 jb51.cc（jb51.cc） ***/
