Python 使用openpyxl更改excel列格式类型

我有一个如下的数据集

TARİH (column name)
05.01.2020  00:00:00
05.01.2020  00:00:00
05.01.2020  00:00:00
05.01.2020  00:00:00
.
.

我想将此“TARİH”列更改为“general”格式类型

Openpyxl允许我更改一个单元格

import openpyxl

wb = openpyxl.load_workbook("D:\Documents\Desktop\deneme/2020 Data_çalışma.xlsx")
ws = wb["Sheet1"]
ws['D2'].number_format = 'General'
wb.save("D:\Documents\Desktop\deneme/2020 Data_çalışma.xlsx")

Output:

TARİH (column name)
43835
05.01.2020  00:00:00
05.01.2020  00:00:00
05.01.2020  00:00:00
.
.

我想将整个D列更改为“通用格式类型”。所以我试过这个

import openpyxl

wb = openpyxl.load_workbook("D:\Documents\Desktop\deneme/2020 Data_çalışma.xlsx")
ws = wb["Sheet1"]
ws['D'].number_format = 'General'
wb.save("D:\Documents\Desktop\deneme/2020 Data_çalışma.xlsx")

发生了这个错误

AttributeError: 'tuple' object has no attribute 'number_format'

---

Openpyxl不允许我更改所有列。如何更改所有列？

我认为您必须在可能的行上循环

import openpyxl

wb = openpyxl.load_workbook("D:\Documents\Desktop\deneme/2020 Data_çalışma.xlsx")
ws = wb["Sheet1"]
for row in range(2, ws.max_row+1):
    ws["{}{}".format("D", row)].number_format = 'General'
wb.save("D:\Documents\Desktop\deneme/2020 Data_çalışma.xlsx")