1
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from reportlab.platypus import SimpleDocTemplate, Table, TableStyle
from reportlab.lib.pagesizes import letter
def testPdf():
doc = SimpleDocTemplate("testpdf.pdf",pagesize=letter,
rightMargin=72,leftMargin=72,
topMargin=72,bottomMargin=18)
elements = []
datas = []
for x in range(1,50):
datas.append(
[x,x+1]
)
t=Table(datas)
tTableStyle=[
('SPAN',(0,0),(0,37)),
]
t.setStyle(TableStyle(tTableStyle))
elements.append(t)
doc.build(elements)
if __name__ == '__main__':
testPdf()
此代碼運行的成功,因爲該表是在一個頁面上,如果我設置 「SPAN」 到「(0,0),(0,38 )」,錯誤的是:
reportlab.platypus.doctemplate.LayoutError: Flowable with cell(0,0) containing
'1'(46.24 x 702) too large on page 2 in frame 'normal'(456.0 x 690.0*) of template 'Later'
,如果我把它更大的錯誤是:
Traceback (most recent call last):
File "testpdf.py", line 26, in <module>
testPdf()
File "testpdf.py", line 23, in testPdf
doc.build(elements)
File "/usr/local/lib/python2.7/dist-packages/reportlab-2.5-py2.7-linux-x86_64.egg/reportlab/platypus/doctemplate.py", line 1117, in build
BaseDocTemplate.build(self,flowables, canvasmaker=canvasmaker)
File "/usr/local/lib/python2.7/dist-packages/reportlab-2.5-py2.7-linux-x86_64.egg/reportlab/platypus/doctemplate.py", line 880, in build
self.handle_flowable(flowables)
File "/usr/local/lib/python2.7/dist-packages/reportlab-2.5-py2.7-linux-x86_64.egg/reportlab/platypus/doctemplate.py", line 763, in handle_flowable
if frame.add(f, canv, trySplit=self.allowSplitting):
File "/usr/local/lib/python2.7/dist-packages/reportlab-2.5-py2.7-linux-x86_64.egg/reportlab/platypus/frames.py", line 159, in _add
w, h = flowable.wrap(aW, h)
File "/usr/local/lib/python2.7/dist-packages/reportlab-2.5-py2.7-linux-x86_64.egg/reportlab/platypus/tables.py", line 1113, in wrap
self._calc(availWidth, availHeight)
File "/usr/local/lib/python2.7/dist-packages/reportlab-2.5-py2.7-linux-x86_64.egg/reportlab/platypus/tables.py", line 587, in _calc
self._calc_height(availHeight,availWidth,W=W)
File "/usr/local/lib/python2.7/dist-packages/reportlab-2.5-py2.7-linux-x86_64.egg/reportlab/platypus/tables.py", line 553, in _calc_height
spanFixDim(H0,H,spanCons,lim=hmax)
File "/usr/local/lib/python2.7/dist-packages/reportlab-2.5-py2.7-linux-x86_64.egg/reportlab/platypus/tables.py", line 205, in spanFixDim
t = sum([V[x]+M.get(x,0) for x in xrange(x0,x1)])
TypeError: unsupported operand type(s) for +: 'NoneType' and 'int'
我該如何面對呢?
你想看什麼行爲?你得到這個錯誤的原因正是你期望的:表單元太大而不能在單個框架中顯示。您需要以某種方式使框架變大或拆分單元格。 –
有沒有什麼辦法可以自動在頁面之間製作「SPAN」? – Danfi
不是我所知道的。我敢肯定,從根本上來說,這與渲染單元的工作方式有關。 –