Python file processing series (two): Excel file reading library xlwings

One, xlwings overview

1.xlwings features

• xlwings can read and write data in Excel files very conveniently, and can modify the cell format
• Can be seamlessly connected with matplotlib and pandas
• You can call a program written in VBA in an Excel file, or you can make VBA call a program written in Python.
• Open source and free, always updated

2.xlwings basic object

Object name	Object description	Creation method	Remarks
App	Open the Excel program	1. Create the app object import xlwings as xw app=xw.App(visible=True,add_book=False) app.display_alerts=False app.screen_updating=False Default setting: the program is visible, only open without creating a new workbook, and the screen update is closed 2. Open an excel file (the following two writing methods can be used) wb = app.books("xxx.xlsx") wb = app.books.open("xxx.xlsx")	To open an .xlsx file, you can either create an App object first, or
Book	Open workbook	>>> import xlwings as xw >>> wb = xw.Book() # This will create a new workbook >>> wb = xw.Book('FileName.xlsx') # Connect to an existing file in the current working directory >>> wb = xw.Book(r'C:\path\to\file.xlsx') # On Windows: Use raw strings to escape backslashes
Sheet	Open the specified sheet	>>> sht = wb.sheets['Sheet1'] >>> sht = wb.sheets[1]	The subscript of the sheet starts from 1, not from 0
Range	Read cell value	>>> sht.range('A1').value = 'Foo 1' >>> sht.range('A1').value 'Foo 1'

Reference article:

xlwings Chinese document