使用openpyxl 操作excel的基础

from openpyxl import Workbook
'''写excel
from openpyxl.compat import range
from openpyxl.utils import get_column_letter

wb = Workbook()

dest_filename = 'empty_book.xlsx'
ws1 = wb.active
ws1.title = 'range names'

for row in range(1, 40):
    ws1.append(range(600))
    
ws2 = wb.create_sheet(title='pi')
ws2['F5'] = 3.14
#创建sheet
ws3 = wb.create_sheet(title='Data')
for row in range(10, 20):
    for col in range(27, 54):
        _ = ws3.cell(column=col, row=row, value='{0}'.format(get_column_letter(col)))
print(ws3['AA10'].value)
wb.save(filename = dest_filename)
'''
'''
#读excel
from openpyxl import load_workbook
wb = load_workbook(filename = 'empty_book.xlsx')
sheet_ranges = wb['range names']
print(sheet_ranges['D18'].value)
'''
'''
#使用数字格式
import datetime
from openpyxl import Workbook

wb = Workbook()
ws = wb.active

#set date using a Python datetime
ws['A1'] = datetime.datetime(2010, 7, 21)
a = ws['A1'].number_format
print(a)
#猜类型
wb.guess_types = True
# set percentage using a string followed by the percent sign
ws['B1'] = '3.14%'
wb.guess_types = False
print(ws['B1'].value)
print(ws['B1'].number_format)
'''
'''
#使用公式
from openpyxl import Workbook
wb = Workbook()
ws = wb.active
#添加一个简单公式
ws['A1'] = '=SUM(1, 1)'
wb.save('formula.xlsx')
'''

'''
#合并单元格/取消合并单元格
from openpyxl.workbook import Workbook

wb = Workbook()
ws = wb.active
ws.merge_cells('E3:F3')
ws.merge_cells('A2:D2')
ws.unmerge_cells('A2:D2')

#或者
ws.merge_cells(start_columnt_row=2, start_column=1, end_row=4, end_column=4)
ws.unmerge_cells(start_row = 2, start_column = 1, end_row = 4, end_column = 4)
'''
'''
#插入图像
from openpyxl import Workbook
from openpyxl.drawing.image import Image

wb = Workbook()
ws = wb.active
ws['A1'] = 'You shoud see three logos below'
#create on image
img = Image('logo.png')

#add to worksheet and anchor next to cells
ws.add_image(img, 'A3')
wb.save('logo.xlsx')
'''
#折叠大纲
import openpyxl
wb = openpyxl.Workbook()
ws = wb.create_sheet()
ws.column_dimensions.group('A', 'D', hidden=True)
wb.save('group.xlsx')