与第二页不同的页面模板

Question

下面是我使用reportlab生成pdf的代码。我几乎完成了格式，但第一页的页面模板也从第二页复制过来。从第二页，我只需要一个两列模板，我不想从第二页的顶部中心，框架1和框架2格式。在

from reportlab.pdfgen import canvas
from reportlab.lib.pagesizes import letter,A4
from reportlab.platypus import Image
from reportlab.lib.units import inch, cm
import json
from reportlab.platypus import 
BaseDocTemplate,Frame,Paragraph,PageBreak, 
PageTemplate,Spacer,FrameBreak,NextPageTemplate
from reportlab.lib.styles import getSampleStyleSheet
from reportlab.lib.styles import ParagraphStyle
from reportlab.lib.enums import TA_JUSTIFY, TA_CENTER
from reportlab.platypus import BaseDocTemplate, Frame, Paragraph, 
PageBreak, PageTemplate
from reportlab.lib.styles import getSampleStyleSheet

def foot1(canvas,doc):
    width,height = A4
    canvas.saveState()
    canvas.setFont('Times-Roman',9)
    canvas.drawString(width-0.1*inch, 0.1 * inch, "%d" % doc.page)
    canvas.restoreState()
def foot2(canvas,doc):
    width,height = A4
    canvas.saveState()
    canvas.setFont('Times-Roman',9)
    canvas.drawString(width-0.1*inch, 0.1 * inch,"%d" % doc.page)

def demo1(canvas):
    width,height = A4
    doc = BaseDocTemplate('test.pdf',showBoundary=1)
    contents =[]
    styleSheet = getSampleStyleSheet()


TopCenter = Frame(1.2*inch,height-1.2*inch,width-2.4*inch,1*inch,showBoundary = 1,id='normal')
frame1 = Frame(0.2*inch,0.2*inch,(width-0.6*inch)/2, height-1.6*inch,showBoundary = 1,id='col1')
frame2 = Frame(0.4*inch+(width-0.6*inch)/2,0.2*inch, (width-0.6*inch)/2, height-1.6*inch,showBoundary = 1,id='col2' )
leftlogoframe = Frame(0.2*inch,height-1.2*inch,1*inch,1*inch,showBoundary = 1)
rightlogoframe = Frame((width-1.2*inch),height-1.2*inch,1*inch,1*inch,showBoundary = 1)
frame1later = Frame(0.2*inch,0.2*inch,(width-0.6*inch)/2, height-0.4*inch,showBoundary = 1,id='col1later')
frame2later = Frame(0.4*inch+(width-0.6*inch)/2,0.2*inch, (width-0.6*inch)/2, height-0.4*inch,showBoundary = 1,id='col2later' )


firstpage = PageTemplate(id='firstpage',frames=[leftlogoframe,TopCenter,rightlogoframe,frame1,frame2],onPage=foot1)

laterpages = PageTemplate(id='laterpages',frames=[frame1later,frame2later],onPage=foot2)

bodyStyle = ParagraphStyle('Body',fontSize=11)
para1 = Paragraph('Spam spam spam spam. ' * 300, bodyStyle)
contents.append(NextPageTemplate('firstpage'))

logoleft = Image('isclogo.png')
logoleft._restrictSize(0.7*inch, 0.7*inch)
logoleft.hAlign = 'LEFT'
logoleft.vAlign = 'CENTER'
logoright = Image('isclogo.png')
logoright._restrictSize(0.7*inch, 0.7*inch)
logoright.hAlign = 'RIGHT'
logoright.vAlign = 'CENTER'
contents.append(logoleft)
contents.append(FrameBreak())

json_file = open("details.txt","r",encoding='utf-8')
details = json.load(json_file)
isctitle = styleSheet['Title']
isctitle.fontSize=12
isctitle.alignment=TA_CENTER
isctitle.leading=10
contents.append(Paragraph("INTERNATIONAL STUDENT UNION. Raamstraat 78, Delft",isctitle))
theme = styleSheet['Normal']
theme.fontSize=10
theme.alignment=TA_CENTER
theme.leading = 14
contents.append(Paragraph(str(details["theme"]),theme))
celebrant=styleSheet['Normal']
celebrant.fontSize=10
celebrant.alignment=TA_CENTER
celebrant.leading = 14
contents.append(Paragraph(str("President: "+details["president"]),celebrant))
date = styleSheet['Normal']
date.fontSize=10
date.alignment=TA_CENTER
date.leading = 14
contents.append(Paragraph(str(details["date"]),date))

contents.append(FrameBreak())
contents.append(logoright)
contents.append(FrameBreak())

themeimage=Image('isclogo.png')
contents.append(themeimage)

contents.append(para1)
#contents.append(PageBreak())

contents.append(NextPageTemplate('laterpages'))
contents.append(PageBreak())


doc.addPageTemplates([firstpage,laterpages])
#doc.addPageTemplates([PageTemplate(frames=[leftlogoframe,TopCenter,rightlogoframe,frame1,frame2]), ])
#doc.addPageTemplates([PageTemplate(id='OneCol',frames=Top,onPage=foot1),PageTemplate(id='TwoCol',frames=[frame1,frame2],onPage=foot2)])

doc.build(contents)


c = canvas.Canvas("test.pdf",pagesize=A4,bottomup=1)

demo1(c)

生成的PDF在这里https://www.dropbox.com/s/16hogbi6oofqg31/test.pdf?dl=0

由于Para1（一个任意字典）中有大量数据，所以将第1页的模板复制到第2页。我想要的是，即使有大量的数据，第2页也应该有第3页所示的另一个模板

有人能帮我搞定这个吗？在

Answer 1

我清楚地浏览了我分享的这篇文章，找到了我问题的答案。在

Setting a separate template from second page