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怎么用PHP获取SQL表数据记录分页显示

?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;

$parse=parse_url($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

$html.="nbsp;nbsp;a href='javascript:setPage(\"{$this-uri}page=1\")'{$this-config["first"]}/anbsp;nbsp;";

return $html;

}

private function prev(){

if($this-page==1)

$html.='';

else

$html.="nbsp;nbsp;a href='javascript:setPage(\"{$this-uri}page=".($this-page-1)."\")'{$this-config["prev"]}/anbsp;nbsp;";

return $html;

}

private function pageList(){

$linkPage="";

$inum=floor($this-listNum/2);

for($i=$inum; $i=1; $i--){

$page=$this-page-$i;

if($page1)

continue;

$linkPage.="nbsp;a href='javascript:setPage(\"{$this-uri}page={$page}\")'{$page}/anbsp;";

}

$linkPage.="nbsp;{$this-page}nbsp;";

for($i=1; $i=$inum; $i++){

$page=$this-page+$i;

if($page=$this-pageNum)

$linkPage.="nbsp;a href='javascript:setPage(\"{$this-uri}page={$page}\")'{$page}/anbsp;";

else

break;

}

return $linkPage;

}

private function next(){

if($this-page==$this-pageNum)

$html.='';

else

$html.="nbsp;nbsp;a href='javascript:setPage(\"{$this-uri}page=".($this-page+1)."\")'{$this-config["next"]}/anbsp;nbsp;";

return $html;

}

private function last(){

if($this-page==$this-pageNum)

$html.='';

else

$html.="nbsp;nbsp;a href='javascript:setPage(\"{$this-uri}page=".($this-pageNum)."\")'{$this-config["last"]}/anbsp;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;setPage(\''.$this-uri.'page=\'+page+\'\')}" value="'.$this-page.'" style="width:25px"input type="button" value="GO" onclick="javascript:var page=(this.previousSibling.value'.$this-pageNum.')?'.$this-pageNum.':this.previousSibling.value;setPage(\''.$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='';