_page_no=$page_no; $pages->_total=1000; $pages->_url=url("Default","Index"); $conent=$pages->page(); * Author: libin * Date: 2009年08月05日 * File: Page.php * Version: 1.0 */ class PageUtil { private static $_page_no=1; private static $_page_size=10; private static $_page_num=0; private static $_total=0; private static $_parm=array(); private static $_url=""; //大的分页 private static $_big_page=10; /** * 初始化分页类 * * @param unknown $total * @param unknown $url * @param unknown $page_no * @param unknown $parm * @param number $page_size * @return string */ public static function page($total,$url,$page_no,$page_size=10,$parm=array()){ $res=""; self::$_page_size=$page_size; self::$_total=$total; $pages = ceil(self::$_total/self::$_page_size); if($pages >1 ){ self::$_page_num=$pages; if($page_no > $pages){ $page_no=$pages; } if($page_no < 1){ $page_no=1; } self::$_page_no=$page_no; self::$_parm=$parm; self::$_url= self::cleanUrl($url); $res=self::createPage(); } return $res; } /** * 清除url中的参数 * */ public static function cleanUrl($url){ $arr_url = explode('?',$url);// 清除参数 $pattern = '/(\w+)\/p(\d+)(\/)?/i'; $replacement = '$1/';//清除原分页即链接中/p(\d+)/ 的字符去掉 return preg_replace($pattern, $replacement, $arr_url[0]); } /** * Enter description here... * */ public static function createPage() { $url=self::$_url; $pageno=self::$_page_no; $pagenum=self::$_page_num; $pagelist=array(); $buttonnum=2; $prevmorefalg=false; $nextmoreflag=false; if($pagenum < 5){ for($i=1;$i<=$pagenum;$i++){ $pagelist[]=$i; } }else{ $leftnum=$pageno - 1;//左面的空白链接 $rightnum=$pagenum-$pageno;//右边的空白链接 if($leftnum < $buttonnum){ $rightnum=$buttonnum+($buttonnum-$leftnum); $nextmoreflag=true; }elseif($rightnum < $buttonnum){ $leftnum=$buttonnum+($buttonnum-$rightnum); $prevmorefalg=true; }else{ $leftnum=$buttonnum; $rightnum=$buttonnum; $nextmoreflag=true; $prevmorefalg=true; } $leftnum=abs($leftnum); $rightnum=abs($rightnum); for($i=$pageno-$leftnum;$i<$pageno;$i++){ $pagelist[]=$i; } $pagelist[]=$pageno; for($i=$pageno+1;$i<=$pageno+$rightnum;$i++){ $pagelist[]=$i; } } $pagecontent='

'; if($pageno >1){ $firstpageurl=self::createUrlParm(1); $prevpageurl=self::createUrlParm($pageno-1); $pagecontent.='
• 首页
• <
'; } if($prevmorefalg){ $pagecontent.='
• ...
'; } foreach ($pagelist as $v){ $pageurl=self::createUrlParm($v); if($v==$pageno){ $pagecontent.='
• '.$v.'
'; }else{ $pagecontent.='
• '.$v.'
'; } } if($nextmoreflag){ $pagecontent.='
• ...
'; } if($pageno < $pagenum){ $lastpageurl=self::createUrlParm($pagenum); $nextpageurl=self::createUrlParm($pageno+1); $pagecontent.='
• >
• 末页
'; } $gotopageurl=self::createUrlParm("pagecontsenfasdfasdf"); $to='
• 跳转到 GO
'; $script=''; $to .=$script; $pagecontent .=$to; $pagecontent .="

"; return $pagecontent; } /** * 构造参数 * @author libin 2008-10-13 * @param array() $var * @return unknown */ public static function createUrlParm($page_no) { $url=self::$_url; $parm=self::$_parm; $laststr=substr($url, -1,1); if($page_no !=1){ if($laststr=='/'){ $url.="p".$page_no."/"; }else{ $url.="/p".$page_no."/"; } } if(count($parm)>0 && is_array($parm)){ $i=0; foreach ($parm as $k=>$v){ if($i==0){ $url.="?".$k."=".$v; }else{ $url.="&".$k."=".$v; } } } return $url; } } ?>