$total_list = $list_len  2 + 1;

 //省略号

        if ($totalpage > $total_list) {  

            $half = floor(($total_list - 4) / 2);  

            $half_start = $this->PageNo - $half + 1;  

            if ($total_list % 2 !== 0) --$half_start;  

            $half_end = $this->PageNo + $half;  

        }  

        if (($totalpage - $this->PageNo) < ($total_list - 3)) {  

            $half_start = $totalpage - $total_list + 3;  

            unset($half_end);

        }  

        if ($this->PageNo <= ($total_list - 3)) {  

            $half_end = $total_list - 2;  

            unset($half_start);  

        }

for($j;$j<=$total_list;$j++)

for($j=1;$j<=$totalpage;$j++)

if($j==$this->PageNo)

 //省略号

            if (isset($half_start) && $j < $half_start && $j > 1) {

                if ($j == 2) $listdd .= "<li style='border:0;'><a href='javascript:void(0)'>...</a></li>";

                contue;

            }

            if (isset($half_end) && $j > $half_end && $j < $totalpage) {  

                if ($j == ($half_end + 1)) $listdd .= "<li style='border:0;'><a href='javascript:void(0)'>...</a></li>"; 

                contue;  

            }