分页类
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分页类
xxfyqq 发表于3年前
分页类
  • 发表于 3年前
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腾讯云 新注册用户 域名抢购1元起>>>   

<?php /**

  • 分页类,以组件形式存在

  • 13-5-15 下午8:26 / class Pagination { 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;
     	$parse=parse_url($url);
    
    
    
     	if(isset($parse["query"])){
     		parse_str($parse['query'],$params);
     		unset($params["page"]);
     		$url=$parse['path'].'?'.http_build_query($params);
    
     	}
    
     	return $url;
     }
    
     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 type="text" onkeydown="javascript:if(event.keyCode==13){var page=(this.value>'.$this->pageNum.')?'.$this->pageNum.':this.value;location=\''.$this->uri.'&page=\'+page+\'\'}" value="'.$this->page.'" style="width:25px"><input type="button" value="GO" onclick="javascript:var page=(this.previousSibling.value>'.$this->pageNum.')?'.$this->pageNum.':this.previousSibling.value;location=\''.$this->uri.'&page=\'+page+\'\'">  ';
     }
     function fpage($display=array(0,1,2,3,4,5,6,7,8)){
     	$html[0]="  共有<b>{$this->total}</b>{$this->config["header"]}  ";
     	$html[1]="  每页显示<b>".($this->end()-$this->start()+1)."</b>条,本页<b>{$this->start()}-{$this->end()}</b>条  ";
     	$html[2]="  <b>{$this->page}/{$this->pageNum}</b>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;
    
     }
    

    }

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