学习地址：http://www.imooc.com/video/2463

     =$totalPage)$page=$totalPage;//$offset=($page-1)*$pageSize;//$sql="select * from imooc_admin limit {$offset},{$pageSize}";////echo $sql;//$rows=fetchAll($sql);////print_r($rows);//foreach($rows as $row){//    echo "编号：".$row['id'],"
";//    echo "管理员的名称:".$row['username'],"
     
";//}//echo showPage($page,$totalPage);//echo "
     
";//echo showPage($page,$totalPage,"cid=5&pid=6");function showPage($page,$totalPage,$where=null,$sep=" "){    $where=($where==null)?null:"&".$where;    $url = $_SERVER ['PHP_SELF'];    $index = ($page == 1) ? "首页" : "首页";    $last = ($page == $totalPage) ? "尾页" : "尾页";    $prevPage=($page>=1)?$page-1:1;    $nextPage=($Page>=$totalPage)?$totalPage:$page+1;    $prev = ($page == 1) ? "上一页" : "上一页";    $next = ($page == $totalPage) ? "下一页" : "下一页";    $str = "总共{
   $totalPage}页/当前是第{
   $page}页";    for($i = 1; $i <= $totalPage; $i ++) {        //当前页无连接        if ($page == $i) {            $p .= "[{
   $i}]";        } else {            $p .= "[{
   $i}]";        }    }     $pageStr=$str.$sep . $index .$sep. $prev.$sep . $p.$sep . $next.$sep . $last;     return $pageStr;}