php 容易分頁

php 簡單分頁

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$conn=mysql_connect("localhost","root","123");
mysql_select_db("qq",$conn);
mysql_query("set names utf8");
$length=5;
$pagenum=isset($_GET['page'])?$_GET['page']:1;
$totsql="select count(*) from q1";
$totarr=mysql_fetch_row(mysql_query($totsql));
$pagetot=ceil($totarr[0]/$length);
if($pagenum>=$pagetot){
$pagenum=$pagetot;
}
$offset=($pagenum-1)*$length;
$sql="select * from q1 order by id limit {$offset},{$length}";
$ret=mysql_query($sql);
echo "

";
echo "







";while($row=mysql_fetch_assoc($ret)){echo " ";echo " ";echo " ";echo " ";echo " ";}echo "

{$row['id']}	{$row['name']}	{$row['pass']}

";
$prevpage=$pagenum-1;
$nextpage=$pagenum+1;
echo "

上|下

";
echo "";
mysql_close($conn);

?>

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