$total_list=7; //顯示7個，3*2+1=7 

if($nowPage >= $total_list) { 

$i = $nowPage-3; //前后6個，（7-1）/ 2=3 

$total_list = $nowPage+3; //前后3個，（7-1）/ 2=3 

if($total_list >= $totalPage) 

$total_list = $totalPage;  }else{ 

$i=1; 

if($total_list >= $totalPage) 

$total_list = $totalPage;  } 

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