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這是我第一次使用ReportLab，我試圖編輯現有的腳本，它完全符合我想要做的事情，但當我嘗試運行時遇到以下錯誤劇本。ReportLab - 創建表格時發生錯誤
腳本 -
import os, arcgisscripting, datetime, getpass, string
from reportlab.lib.pagesizes import A4
from reportlab.platypus import *
from reportlab.lib import colors
from reportlab.lib.styles import ParagraphStyle
myWorkspace = r"W:\City.gdb"
myReportFolder = r"W:\Reports"
myLogosFolder = r"W:\Logos"
OpenPDF = "true"
gp = arcgisscripting.create(9.3)
#setup geoprocessor
gp.workspace = myWorkspace
gp.toolbox = "analysis"
gp.OverwriteOutput = 1
mySelectedGroupsFC = myWorkspace + os.sep + "SelectedGroups"
myNewBusinessFC = myWorkspace + os.sep + "New_Businesses"
myBufferFC = myWorkspace + os.sep + "Buffer"
myReportTable = myWorkspace + os.sep + "FINAL_TABLE"
#obtain Selected groups
mySelGroupsCursor = gp.searchcursor(mySelectedGroupsFC)
mySelectedGroups = mySelGroupsCursor.next()
#obtain New Business groups
myNewBusinessCursor = gp.searchcursor(myNewBusinessFC)
myNewBusiness = myNewBusinessCursor.next()
#obtain Buffer
myBufferCursor = gp.searchcursor(myBufferFC)
myBuffer = myBufferCursor.next()
#setup PDF doc
Author = getpass.getuser() #gets OS user name
pdf_file_name = myNewBusiness.POSTCODE
pdf_file = myReportFolder + os.sep + pdf_file_name + ".pdf"
doc = SimpleDocTemplate(pdf_file, pagesize=A4)
#array of report elements
parts = []
#
#HEADER
#
parstyle = ParagraphStyle(name='Title', fontName='Helvetica', fontSize=12, alignment=1, spaceAfter=20)
p = Paragraph('<b><u>Report</u></b>', parstyle)
parts.append(p)
p = Paragraph('The following community groups are located within <b><u>' + myBuffer.Buffer + 'metres of - <b><u>' + myNewBusiness.Postcode + '<\b><\u>.',parstyle)
parts.append(p)
#
#TABLE
#
while myBuffer:
parstyle = ParagraphStyle(name='Title', fontName='Helvetica', fontSize=11, alignment=0, spaceAfter=15, spaceBefore =15)
p = Paragraph('<b><u>Community groups within ' + myBuffer.Buffer + ' metres of ' + myNewBusiness.Postcode + '</u><\b>', parstyle)
parts.append(p)
data = []
parstyle = ParagraphStyle(name='Title', fontName='Helvetica', fontSize=11, alignment=0)
while mySelectedGroups:
selectedGroups_desc = 'Community ID:'+ '<i>' + mySelectedGroups.Community_ID + '<\i>' + 'Organisation Name :' + mySelectedGroups.Organisation_Name
p = Paragraph(selectedGroups_desc, parstyle)
mySelectedGroups = mySelGroupsCursor.next()
#build and format table
t=Table(data, colWidths=(100,100))
t.setStyle(TableStyle([
('ALIGN',(0,0),(-1,-1),'CENTER'),
('VALIGN',(0,0),(-1,-1),'TOP'),
('INNERGRID', (0,0), (-1,-1), 0.25, colors.black),
('BOX', (0,0), (-1,-1), 0.25, colors.black),
('TOPPADDING', (0,0), (-1,-1), 10),
]))
parts.append(t)
myBuffer = myBufferCursor.next()
#Footnote
parstyle = ParagraphStyle(name='Title', fontName='Helvetica', fontSize=11, alignment=0, spaceAfter=15, spaceBefore=15)
p = Paragraph('''Should you have any further questions **''', parstyle)
parts.append(p)
#Build document
doc.build(parts)
del mySelGroupsCursor, myNewBusinessCursor, myBufferCursor
#Open document
if OpenPDF == "true":
os.startfile(pdf_file)
，我得到的是錯誤：
Traceback (most recent call last):
File "C:\Python25\Lib\site-packages\Pythonwin\pywin\framework\scriptutils.py", line 325, in RunScript
exec codeObject in __main__.__dict__
File "H:\Report_v2.py", line 100, in <module>
t=Table(data, colWidths=(100,100))
File "C:\Python25\Lib\site-packages\reportlab\platypus\tables.py", line 236, in __init__
raise ValueError("%s must have at least a row and column" % self.identity())
ValueError: <[email protected] 0 rows x unknown cols>... must have at least a row and column
什麼，我需要做的，因爲我掙扎了一下任何想法。
謝謝。