php 페이지 함수 예시 코드

<?php

/*

* Created on 2011-07-28

* Author : LKK , http://lianq.net

*     ：

require_once('mypage.php');

$result=mysql_query("select * from mytable", $myconn);

$total=mysql_num_rows($result);    //      

pageDivide($total,10);     //      



//     

$result=mysql_query("select * from mytable limit $sqlfirst,$shownu", $myconn);

while($row=mysql_fetch_array($result)){

...    

}

echo $pagecon;    //        

*/



if(!function_exists("pageDivide")){

#$total         

#$shownu        ,  20

#$url         

function pageDivide($total,$shownu=20,$url=''){



#$page     

#$sqlfirst mysql      

#$pagecon          

global $page,$sqlfirst,$pagecon,$_SERVER;

$GLOBALS["shownu"]=$shownu;



if(isset($_GET['page'])){

$page=$_GET['page'];

}else $page=1;



#  $url    ,   ,      URL

if(!$url){ $url=$_SERVER["REQUEST_URI"];}



#URL  

$parse_url=parse_url($url);

@$url_query=$parse_url["query"];    //     ?    

if($url_query){

$url_query=preg_replace("/(&?)(page=$page)/","",$url_query);

$url = str_replace($parse_url["query"],$url_query,$url);

if($url_query){

$url .= "&page";

}else $url .= "page";

}else $url .= "?page";



#    

$lastpg=ceil($total/$shownu);    //   ,   

$page=min($lastpg,$page);

$prepg=$page-1; //   

$nextpg=($page==$lastpg ? 0 : $page+1); //   

$sqlfirst=($page-1)*$shownu;



#        

$pagecon = "    ".($total?($sqlfirst+1):0)."-".min($sqlfirst+$shownu,$total)."    ，  <B>$total</B>    ";

if($lastpg<=1) return false;    //         



if($page!=1) $pagecon .=" <a href='$url=1'>  </a> "; else $pagecon .="    ";

if($prepg) $pagecon .=" <a href='$url=$prepg'>  </a> "; else $pagecon .="    ";

if($nextpg) $pagecon .=" <a href='$url=$nextpg'>  </a> "; else $pagecon .="    ";

if($page!=$lastpg) $pagecon.=" <a href='$url=$lastpg'>  </a> "; else $pagecon .="    ";



#      ,        

$pagecon .="　   <select name='topage' size='1' onchange='window.location=\"$url=\"+this.value'>
";

for($i=1;$i<=$lastpg;$i++){

if($i==$page) $pagecon .="<option value='$i' selected>$i</option>
";

else $pagecon .="<option value='$i'>$i</option>
";

}

$pagecon .="</select>  ，  $lastpg  ";



}

}else die('pageDivide()        !');

?>