在线英文教程https://openpyxl.readthedocs.io/en/stable/tutorial.html

1]openxl的安装 https://jingyan.baidu.com/article/6f2f55a1ef0b87f4b83e6c3a.html

pip install openpyxl

 如果不成功，进入D:\Users\Administrator\AppData\Local\Programs\Python\Python38-32\Scripts\openpyxl

python3  setup.py install

2]openxl的使用https://www.cnblogs.com/programmer-tlh/p/10461353.html

3]import datatime 

ws['A3'] = datetime.datetime.now().strftime("%Y-%m-%d")

 4]load_workbook加载已有

from openpyxl import load_workbook
wb = load_workbook('openpyxl.xlsx')

 5]单元格样式。colors属性

# -*- coding: cp936 -*-
import datetime
from openpyxl import load_workbook
wb = load_workbook('openpyxl.xlsx')
ws = wb.active

from openpyxl.styles import Font, colors, Alignment
ws['A1']='sadfsdfasdf'
ws['A1'].font = Font(name='等线', size=24, italic=True, color="FFFF00",  bold=True)
ws['B1'].alignment = Alignment(horizontal='center', vertical='center')#对齐方式，除了center，还可以使用right、left等等参数

wb.save('文件名称.xlsx')

 6]一句话读单元格的值

import openpyxl
c = openpyxl.load_workbook('openpyxl.xlsx').worksheets[0]['a1'].value

 

from openpyxl import load_workbook
wb = load_workbook('openpyxl.xlsx')
ws1 = wb["Sheet1"]
astr='ABCDEFGHIJK'
for i in astr:
    for j in range(1,10):
        if (astr.index(i)+1)==j:
              ws1[i+str(j)]=i+str(j)
wb.save('openpyxl.xlsx')