在xlrd
和xlwt
的documentation中,我学到了以下内容:
如何阅读现有的工作簿/工作表:
from xlrd import open_workbook
wb = open_workbook("ex.xls")
s = wb.sheet_by_index(0)
print s.cell(0,0).value
#Prints contents of cell at location a1 in the first sheet in the document called ex.xls
如何创建新工作簿/工作表:
from xlwt import Workbook
wb = Workbook()
Sheet1 = wb.add_sheet('Sheet1')
Sheet1.write(0,0,'Hello')
wb.save('ex.xls')
#Creates a document called ex.xls with a worksheet called "Sheet1" and writes "Hello" to the cell located at a1
我现在要做的是在现有的工作簿中打开一个现有的工作表,并写入该工作表。
我尝试过这样的方法:
from xlwt import open_workbook
wb = open_workbook("ex.xls")
s = wb.sheet_by_index(0)
print s.cell(0,0).value
但是open_workbook
只是xlrd
模块的一部分,而不是xlwt
。
有什么想法吗?
Edit1:在奥利弗的建议下,我查看了xlutils
,并尝试了以下方法:
from xlrd import open_workbook
from xlwt import Workbook
from xlutils.copy import copy
wb = open_workbook("names.xls")
s = wb.get_sheet(0)
s.write(0,0,'A1')
wb.save('names.xls')
但是,这给出了以下错误消息:
File "C:\Python27\lib\site-packages\xlrd\book.py", line 655, in get_sheet
raise XLRDError("Can't load sheets after releasing resources.")
xlrd.biffh.XLRDError: Can't load sheets after releasing resources.
编辑2:错误消息是由于get_sheet
函数使用不当造成的。我终于知道如何使用它了:
from xlrd import open_workbook
from xlwt import Workbook
from xlutils.copy import copy
rb = open_workbook("names.xls")
wb = copy(rb)
s = wb.get_sheet(0)
s.write(0,0,'A1')
wb.save('names.xls')
发布于 2014-11-16 23:10:53
正如我在op的编辑中所写的,要编辑现有的excel文档,您必须使用xlutils
模块(感谢奥利弗)
下面是正确的方法:
#xlrd, xlutils and xlwt modules need to be installed.
#Can be done via pip install <module>
from xlrd import open_workbook
from xlutils.copy import copy
rb = open_workbook("names.xls")
wb = copy(rb)
s = wb.get_sheet(0)
s.write(0,0,'A1')
wb.save('names.xls')
这会将"names.xls“第一页中位于a1的单元格的内容替换为文本"a1",然后保存文档。
发布于 2017-07-08 00:38:23
下面是使用与xlsx兼容的openpyxl
模块执行上述代码的另一种方法。到目前为止我所看到的,它也保持了格式。
from openpyxl import load_workbook
wb = load_workbook('names.xlsx')
ws = wb['SheetName']
ws['A1'] = 'A1'
wb.save('names.xlsx')
https://stackoverflow.com/questions/26957831
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