respond_to do |format|
  format.html # show.rhtml
  format.xml  { render :xml => @page.to_xml }
  format.pdf do
    pdf = FPDF.new
    pdf.AddPage
    pdf.SetFont("Arial",'B',18)
    pdf.Cell(100, 20, "Hello World")
    send_data pdf.Output, :filename => "hello.pdf", :type => "application/pdf"
  end
end

pdf = FPDF.new
pdf.extend(PDF_Chinese)
pdf.AddPage
ic = Iconv.new('GB2312', 'UTF-8')
pdf.AddGBFont("仿宋",ic.iconv("仿宋_GB2312"))
pdf.SetFont("仿宋",'B',18)
pdf.Cell(100, 10, ic.iconv("中文文字输出"))
send_data pdf.Output, :filename => "hello_cn.pdf", :type => "application/pdf"

pdf = FPDF.new('portrait', 'pt', [800, 1380])
pdf.SetAutoPageBreak(false)
pdf.AddPage
# draw a rectangle
pdf.SetFillColor(240, 240, 240)
pdf.Rect(0, 0, 800, 895, 'F')    pdf.Image("#{RAILS_ROOT}/public/images/a.jpg", 0, 0, 800, 600)
# add four images
pdf.Image("#{RAILS_ROOT}/public/images/b.jpg", 0, 700, 260)
pdf.Image("#{RAILS_ROOT}/public/images/c.jpg", 270, 700, 260)
pdf.Image("#{RAILS_ROOT}/public/images/d.jpg", 540, 700, 260)
# write text
txt = 'Agile Web Development'
pdf.SetFont("Arial", 'B', 38)
pdf.SetXY(0, 600)
pdf.Cell(800, 100, txt, 10, 1, 'C')
pdf.SetTextColor(10, 10, 10)
txt = 'What is Ruby FPDF?'
pdf.SetFont("Arial", 'B', 30)
pdf.SetXY(20, 920)
pdf.Cell(300, 30, txt, 10, 1)
txt = "Ruby FPDF is a Ruby port of Olivier Plathey's excellent PDF generator, FPDF. FPDF is written in PHP, and as such can only be used From PHP scripts. Ruby FPDF, as the name suggests, is written in Ruby and can be used From Ruby scripts.    Ruby FPDF was ported and is maintained by Brian Ollenberger. If you need to contact me, see the contact link abovenYou can download Ruby FPDF below. It is released under a permissive license, similar to that of FPDF. I only ask that you retain the copyright notice at the top of the source file. You may make modifications to FPDF, but if you redistribute those modifications, make it clear in a comment immediately before or after the copyright notice that you have modified it. I also wouldn't mind if you sent patches back to me, but you are not strictly required to do so."
pdf.SetFont("Arial", '', 18)
pdf.SetXY(20, 960)
pdf.MultiCell(500, 20, txt)
txt = 'Ruby | On | Rails'
pdf.SetFont("Arial", '', 24)
pdf.SetXY(540, 920)
pdf.Cell(260, 30, txt, 10, 1, 'C')
#draw rectangle
pdf.SetFillColor(240, 240, 240)
pdf.Rect(550, 960, 230, 300, 'F')
#write text
txt = "* Get Excitednn* Get Startedn* Get BetternnContactnnEnjoy Railsnenjoyrails@gmail.com"
pdf.SetFont("Arial", 'B', 18)
pdf.SetXY(560, 970)
pdf.MultiCell(220, 36, txt)
pdf.SetFillColor(170, 0, 1)
pdf.Rect(0, 1310, 800, 70, 'F')
txt = 'View this page at http://enjoyrails.com/'
pdf.SetTextColor(255, 255, 255)
pdf.SetFont("Arial", '', 28)
pdf.SetXY(0, 1330)
pdf.Cell(800, 24, txt, 0, 0, 'C')
send_data pdf.Output, :filename => "hello_advance.pdf", :type => "application/pdf"