<div style="width: 90%; margin: 10px auto; border: 1px solid #ccc; text-align: center">     <?php     $page=isset($_GET['page'])?$_GET['page']:0;//从零开始     $imgnums = 10;    //每页显示的图片数     $path="upload";   //图片保存的目录     $handle = opendir($path);     $i=0;     while (false !== ($file = readdir($handle))) {        list($filesname,$ext)=explode(".",$file);        if($ext=="gif" or $ext=="jpg" or $ext=="JPG" or $ext=="GIF" ) {            if (!is_dir('./'.$file)) {               $array[]=$file;//保存图片名称               ++$i;            }        }     }     if($array){        rsort($array);//修改日期倒序排序     }     for($j=$imgnums*$page; $j<($imgnums*$page+$imgnums)&&$j<$i; ++$j){        echo '<div>';        echo $array[$j],'<br />';        echo "<img src=".$path."/".$array[$j]."><br />";        echo '</div>';     }     $realpage = @ceil($i / $imgnums) - 1;     $Prepage = $page-1;     $Nextpage = $page+1;     if($Prepage<0){        echo "上一页 ";        echo "<a href=?page=$Nextpage>下一页</a> ";        echo "<a href=?page=$realpage>最末页</a> ";     }elseif($Nextpage >= $realpage){        echo "<a href=?page=0>首页</a> ";        echo " <a href=?page=$Prepage>上一页</a> ";        echo " 下一页";     }else{        echo "<a href=?page=0>首页</a> ";        echo "<a href=?page=$Prepage>上一页</a> ";        echo "<a href=?page=$Nextpage>下一页</a> ";        echo "<a href=?page=$realpage>最末页</a> ";     }     ?> </div>