odbc uses ODBC paging display

$pagesize = 3;//Set the number displayed per page
//Calculate the total number of records
$rs_num = "select count(*) as id from table";
$rs_num = odbc_exec($conn_id,$ rs_num);
$rs_num = odbc_result($rs_num,"id");
//Calculate the total number of pages
$pagecount = $rs_num / $pagesize;
$pagecount1 = intval($pagecount);//Convert the total number of pages Rounding
$compare = $pagecount - $pagecount1;
switch ($compare){
case "0":
$pagecount = $pagecount1; //Total number of pages
break;
default :
$pagecount1++;
$pagecount = $pagecount1;//Total number of pages
break;
};
if ($pagecount == 0)$pagecount++;
$fpages = $pages-1;
$bpages = $pages+1;
?>

?pages=1>";?>Homepage"; ?>
"; ?>Previous page"; ?>
"; ?>Next page"; ?>
Last page"; ?>

$firstshow = ($pages-1)*$pagesize+1;//Determine the first record of each page
//Find the record number of the first record
$query_string = "SELECT * FROM table Order By id DESC";
$query_string = odbc_exec($conn_id,$query_string);
odbc_fetch_into($query_string,$firstshow,&$idarea);
$idsql = $idarea[0];
//Positioning Find
if ($pages == $pagecount) {
$rs = "SELECT * FROM table where id <= '".$idsql."' Order By id DESC";
}else{
$rs = "SELECT Top ".$pagesize." * FROM table where id <= '".$idsql."' Order By id DESC";
};
$rs = odbc_exec($conn_id,$rs);
//Display records
while(odbc_fetch_row($rs)){
};
?>
//Close the connection
odbc_close($conn_id);
?>
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The above introduces the paging display of odbc using ODBC, including the content of odbc. I hope it will be helpful to friends who are interested in PHP tutorials.