/**
* 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) ***/
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