รบกวนดูว่าจะเขียน fpdf อย่างไรค่ะคือไม่รู้จะเขียนอย่างไรค่ะ

<?php
require_once("fpdf.php");

$pdf=new FPDF();

$pdf->DefOrientation="l"; // แนวนอน

$pdf->AddPage();

$pdf->AddFont("Angsa","","angsa.php"); // เพิ่ม font angsana new มา 
$pdf->SetFont('Angsa','',16);

$pdf->Cell(15,14,"ลำดับ",1,0,'C');
$pdf->Cell(30,14,"เขตการขาย",1,0,'C');
$pdf->Cell(40,14,"ชื่อร้านค้า",1,0,'C');
$pdf->Cell(30,14,"จังหวัด",1,0,'C');
$pdf->Cell(100,7,"ประจำปี",1,0,'C');
$pdf->Cell(40,14,"หมายเหตุ",1,0,'C');

$pdf->Ln(7);
$pdf->SetXY(125,17);


$pdf->Cell(20,7,"2550",1,0,'C');
$pdf->Cell(20,7,"2551",1,0,'C');
$pdf->Cell(20,7,"2552",1,0,'C');
$pdf->Cell(20,7,"2553",1,0,'C');
$pdf->Cell(20,7,"2554",1,0,'C');

$pdf->Ln();

for($i=1;$i<20;$i++)
{
	$pdf->Cell(15,7,$i,1,0,'C');
	$pdf->Cell(30,7,"เขตการขาย $i",1,0,'C');
	$pdf->Cell(40,7,"iyouuu.com",1,0,'C');
	$pdf->Cell(30,7,"กรุงเทพ",1,0,'C');

	$pdf->Cell(20,7,"1000",1,0,'C');
	$pdf->Cell(20,7,"2,000",1,0,'C');
	$pdf->Cell(20,7,"3000",1,0,'C');
	$pdf->Cell(20,7,"400",1,0,'C');
	$pdf->Cell(20,7,"1000",1,0,'C');
	

	$pdf->Cell(40,7,"",1,0,'C'); // หมายเหตุ


	$pdf->Ln();
}
$pdf->Output();

?>

$sql="SELECT * FROM tblsale WHERE(id_store_sale  between '".$_POST["txtstore1"]."' and '".$_POST["txtstore2"]."' ) and (year between '$y1' and '$y2')LIMIT 0,2  order by year DESC";

<?php
require('fpdf.php');

class PDF extends FPDF
{
// Page header
function Header()
{
	// Logo
	$this->Image('logo.png',10,6,30);
	// Arial bold 15
	$this->SetFont('Arial','B',15);
	// Move to the right
	$this->Cell(80);
	// Title
	$this->Cell(30,10,'Title',1,0,'C');
	// Line break
	$this->Ln(20);
}

// Page footer
function Footer()
{
	// Position at 1.5 cm from bottom
	$this->SetY(-15);
	// Arial italic 8
	$this->SetFont('Arial','I',8);
	// Page number
	$this->Cell(0,10,'Page '.$this->PageNo().'/{nb}',0,0,'C');
}
}

// Instanciation of inherited class
$pdf = new PDF();
$pdf->AliasNbPages();
$pdf->AddPage();
$pdf->SetFont('Times','',12);
for($i=1;$i<=40;$i++)
	$pdf->Cell(0,10,'Printing line number '.$i,0,1);
$pdf->Output();
?>