一个好用的分页类

dome.php <?php header("Content-Type:text/html;charset=utf-8"); include "page.class.php"; $link=mysql_connect("localhost", "root", "123456"); mysql_select_db("sddw"); $result=mysql_query("select * from elin_article "); $total=mysql_num_rows($result); $num=10; $page=new Page($total, $num); $sql="select * from elin_article {$page->limit}"; mysql_query("set names utf8"); $result=mysql_query($sql); echo '<table align="center" border="1" width="960">'; echo '<caption><h1>SHOPS</h1></caption>'; while($row=mysql_fetch_assoc($result)){ echo '<tr>'; echo '<td>'.$row["id"].'</td>'; echo '<td>'.$row["title"].'</td>'; // echo '<td>'.$row["price"].'</td>'; // echo '<td>'.$row["num"].'</td>'; //      echo '<td>'.$row["desn"].'</td>'; echo '</tr>'; } echo '<tr><td colspan="5" align="right">'.$page->fpage(array(8,3,4,5,6,7,0,1,2)).'</td></tr>'; echo '</table>'; page.class.php <?php 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 $html.="&nbsp;&nbsp;<a href='{$this->uri}&page=1'>{$this->config["first"]}</a>&nbsp;&nbsp;"; return $html; } private function prev(){ if($this->page==1) $html.=''; else $html.="&nbsp;&nbsp;<a href='{$this->uri}&page=".($this->page-1)."'>{$this->config["prev"]}</a>&nbsp;&nbsp;"; 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; $linkPage.="&nbsp;<a href='{$this->uri}&page={$page}'>{$page}</a>&nbsp;"; } $linkPage.="&nbsp;{$this->page}&nbsp;"; for($i=1; $i<=$inum; $i++){ $page=$this->page+$i; if($page<=$this->pageNum) $linkPage.="&nbsp;<a href='{$this->uri}&page={$page}'>{$page}</a>&nbsp;"; else break; } return $linkPage; } private function next(){ if($this->page==$this->pageNum) $html.=''; else $html.="&nbsp;&nbsp;<a href='{$this->uri}&page=".($this->page+1)."'>{$this->config["next"]}</a>&nbsp;&nbsp;"; return $html; } private function last(){ if($this->page==$this->pageNum) $html.=''; else $html.="&nbsp;&nbsp;<a href='{$this->uri}&page=".($this->pageNum)."'>{$this->config["last"]}</a>&nbsp;&nbsp;"; return $html; } private function goPage(){ return '&nbsp;&nbsp;<input type="text" onkeydown="javascript:if(event.keyCode==13){var page=(this.value>'.$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+\'\'">&nbsp;&nbsp;'; } function fpage($display=array(0,1,2,3,4,5,6,7,8)){ $html[0]="&nbsp;&nbsp;共有<b>{$this->total}</b>{$this->config["header"]}&nbsp;&nbsp;"; $html[1]="&nbsp;&nbsp;每页显示<b>".($this->end()-$this->start()+1)."</b>条,本页<b>{$this->start()}-{$this->end()}</b>条&nbsp;&nbsp;"; $html[2]="&nbsp;&nbsp;<b>{$this->page}/{$this->pageNum}</b>页&nbsp;&nbsp;"; $html[3]=$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; } }
posted @ 2011-09-15 22:29  gxldan  阅读(120)  评论(0编辑  收藏  举报