我正在使用 ReportLab 在 PDF 文档中编写表格,并且对结果非常满意(尽管还没有完全掌握 flowables)。
但是,我无法弄清楚如何使跨越分页符的表格重复其列标题。
下面的代码在 C:\Temp 中创建了一个 test.pdf,其中有一个标题行,后跟 99 行数据。
标题行在第一页上看起来很棒,但我希望在第二页和第三页的顶部重复。
我很想知道使用 SimpleDocTemplate 来实现这一目标的任何方法。
from reportlab.platypus import SimpleDocTemplate, Table, TableStyle, Paragraph, Frame, Spacer
from reportlab.lib import colors
from reportlab.lib.units import cm
from reportlab.lib.pagesizes import A3, A4, landscape, portrait
from reportlab.lib.styles import ParagraphStyle, getSampleStyleSheet
from reportlab.lib.enums import TA_LEFT, TA_RIGHT, TA_CENTER, TA_JUSTIFY
from reportlab.pdfgen import canvas
pdfReportPages = "C:\\Temp\\test.pdf"
doc = SimpleDocTemplate(pdfReportPages, pagesize=A4)
# container for the "Flowable" objects
elements = []
styles=getSampleStyleSheet()
styleN = styles["Normal"]
# Make heading for each column
column1Heading = Paragraph("<para align=center>COLUMN ONE HEADING</para>",styles['Normal'])
column2Heading = Paragraph("<para align=center>COLUMN TWO HEADING</para>",styles['Normal'])
row_array = [column1Heading,column2Heading]
tableHeading = [row_array]
tH = Table(tableHeading, [6 * cm, 6 * cm]) # These are the column widths for the headings on the table
tH.hAlign = 'LEFT'
tblStyle = TableStyle([('TEXTCOLOR',(0,0),(-1,-1),colors.black),
('VALIGN',(0,0),(-1,-1),'TOP'),
('BOX',(0,0),(-1,-1),1,colors.black),
('BOX',(0,0),(0,-1),1,colors.black)])
tblStyle.add('BACKGROUND',(0,0),(-1,-1),colors.lightblue)
tH.setStyle(tblStyle)
elements.append(tH)
# Assemble rows of data for each column
for i in range(1,100):
column1Data = Paragraph("<para align=center> " + "Row " + str(i) + " Column 1 Data" + "</font> </para>",styles['Normal'])
column2Data = Paragraph("<para align=center> " + "Row " + str(i) + " Column 2 Data" + "</font> </para>",styles['Normal'])
row_array = [column1Data,column2Data]
tableRow = [row_array]
tR=Table(tableRow, [6 * cm, 6 * cm])
tR.hAlign = 'LEFT'
tR.setStyle(TableStyle([('BACKGROUND',(0,0),(-1,-1),colors.white),
('TEXTCOLOR',(0,0),(-1,-1),colors.black),
('VALIGN',(0,0),(-1,-1),'TOP'),
('BOX',(0,0),(-1,-1),1,colors.black),
('BOX',(0,0),(0,-1),1,colors.black)]))
elements.append(tR)
del tR
elements.append(Spacer(1, 0.3 * cm))
doc.build(elements)