问ReportLab首页不同(首页)

EN

from reportlab.lib.styles import ParagraphStyle as PS
from reportlab.platypus import PageBreak, Table, NextPageTemplate
from reportlab.platypus.paragraph import Paragraph
from reportlab.platypus.doctemplate import PageTemplate, BaseDocTemplate
from reportlab.platypus.tableofcontents import TableOfContents
from reportlab.platypus.frames import Frame
from reportlab.lib.units import cm
from reportlab.lib import colors
from functools import partial

class MyDocTemplate(BaseDocTemplate):

    def __init__(self, filename, **kw):
        self.allowSplitting = 0
        BaseDocTemplate.__init__(self, filename, **kw)

        template_CoverPage = PageTemplate('CoverPage',[Frame(1.75*cm, 2.5*cm, 17.5*cm, 24*cm, id='F1')],)
        template_NormalPage = PageTemplate('NormalPage',
                                [Frame(1.75*cm, 2.5*cm, 17.5*cm, 24*cm, id='F1')],
                                onPage=partial(header_and_footer,
                                header_content=header_content,
                                footer_content=footer_content))

        self.addPageTemplates([template_CoverPage,template_NormalPage])



    def afterFlowable(self, flowable):
        "Registers TOC entries."
        if flowable.__class__.__name__ == 'Paragraph':
            text = flowable.getPlainText()
            style = flowable.style.name
            if style == 'Heading1':
                self.notify('TOCEntry', (0, text, self.page))
            if style == 'Heading2':
                self.notify('TOCEntry', (1, text, self.page))

h1 = PS(name = 'Heading1',
       fontSize = 14,
       leading = 16)

h2 = PS(name = 'Heading2',
       fontSize = 12,
       leading = 14,
       leftIndent = 5)
l0 = PS(name = 'list0',
        fontSize = 12,
        leading =14,
        leftIndent=0,
        rightIndent=0,
        spaceBefore = 12,
        spaceAfter =0
        )

'-----------------------------------------------------------------------------'
'Header and Footer'
'-----------------------------------------------------------------------------'
def header(canvas, doc, content):
    canvas.saveState()
    w, h = content.wrap(doc.width, doc.topMargin)
    content.drawOn(canvas, doc.leftMargin-22.4, doc.height + doc.bottomMargin + doc.topMargin - h-25)
    canvas.restoreState()

def footer(canvas, doc, content):
    drawPageNumber(canvas, doc)
    canvas.saveState()
    w, h = content.wrap(doc.width, doc.bottomMargin)
    content.drawOn(canvas, doc.leftMargin-22.4, h)
    canvas.restoreState()

def header_and_footer(canvas, doc, header_content, footer_content):
    header(canvas, doc, header_content)
    footer(canvas, doc, footer_content)

def drawPageNumber(canvas, doc):
    pageNumber = canvas.getPageNumber()
    canvas.setFont("Arial",11)
    canvas.drawCentredString(17.4*cm, 1.35*cm, 'Page '+str(pageNumber))

def PageNumber(canvas, doc):
    return(canvas.getPageNumber())

header_center_text='header_center_text foo'
footer_center_text='footer_center_text bar'  


    
def create_deco():
    global header_content, footer_content
    '-----------------------------------------------------------------------------'
    'Header'
    '-----------------------------------------------------------------------------'
    Header_caption=((header_center_text))
    A='Author'
    Header_table_data=[['',Header_caption,'Author:',Paragraph(f"""<font fontSize=7> {A} </font>""")],
                       ['','','Date:','11.22.3333'],
                       ['','','Version:','123']]
    
    Header_table=Table(Header_table_data,colWidths=[4*cm,9.5*cm,1.6*cm,2.4*cm],rowHeights=[0.66*cm,0.66*cm,0.66*cm],style=[
    ('GRID',(0,0),(1,2),1,colors.black),
    #('ALIGN',(0,0),(1,0),'CENTER'),
    ('ALIGN',(0,0),(0,3),'CENTER'),
    ('VALIGN',(0,0),(3,2),'MIDDLE'),
    ('ALIGN',(2,0),(3,2),'RIGHT'),
    ('SPAN',(0,0),(0,2)),
    ('SPAN',(1,0),(1,2)),
    ('BOX',(2,0),(-1,-1),1,colors.black),
    #('TEXTCOLOR',(0,0),(3,0),colors.Color(49/255,71/255,137/255))
    ])
    '-----------------------------------------------------------------------------'
    'Footer'
    '-----------------------------------------------------------------------------'
    Footer_caption=(footer_center_text)
    Seitenzahl=''
    Footerer_ID=Seitenzahl
    
    Footer_table_data=[['',Footer_caption,Footerer_ID]]
    Footer_table=Table(Footer_table_data,colWidths=[4*cm,9.5*cm,4*cm],rowHeights=[1*cm],style=[
    ('GRID',(0,0),(2,0),1,colors.black),
    #('ALIGN',(0,0),(1,0),'CENTER'),
    ('ALIGN',(0,0),(-1,-1),'RIGHT'),
    ('VALIGN',(0,0),(2,0),'MIDDLE'),
    ('ALIGN',(0,0),(3,0),'CENTER'),
    #('TEXTCOLOR',(0,0),(3,0),colors.Color(49/255,71/255,137/255))
    ])
    
    footer_content = Footer_table
    header_content = Header_table
create_deco() 



'-----------------------------------------------------------------------------'
'Build story'
'-----------------------------------------------------------------------------'
# Build story.
story = []
toc = TableOfContents()
# For conciseness we use the same styles for headings and TOC entries
toc.levelStyles = [h1, h2]
story.append(NextPageTemplate('CoverPage'))
story.append(Paragraph('This is my cover page where a different template is used!!!', l0))
story.append(NextPageTemplate('NormalPage'))
story.append(PageBreak())
story.append(Paragraph('TOC HERE', l0))
story.append(toc)
story.append(PageBreak())
story.append(Paragraph('First heading', h1))
story.append(Paragraph('Text in first heading', PS('body')))
story.append(Paragraph('First sub heading', h2))
story.append(Paragraph('Text in first sub heading', PS('body')))
story.append(PageBreak())
story.append(Paragraph('Second sub heading', h2))
story.append(Paragraph('Text in second sub heading', PS('body')))
story.append(Paragraph('Last heading', h1))


doc = MyDocTemplate('mintoc.pdf')
doc.multiBuild(story)