What is the basic method of operating Excel in Python?

Write to Excel

1. Install third-party module

You can use it to modify excelxlwtmodule

pip install xlwt=1.2.0

2. Write code

• ##xlwt.Workbook method to create an Excel file

• work_book.add_sheet: Add a table

• work_sheet.write: Write data (rows, columns, data) into the table

• work_book.save：Save the file

import xlwt
# 创建一个Excel文件，字符编码为utf-8
work_book = xlwt.Workbook(encoding='utf-8')
# 添加一张表，名字为测试表
work_sheet = work_book.add_sheet('测试表')
# 往表中写入值（行，列，数据）
work_sheet.write(0, 0, label='姓名')
work_sheet.write(1, 0, label='李四')
# 保存
work_book.save('student.xls')

Read Excel

1. Install third-party modules

You can use the

xlrd module to read Excel

pip install xlrd==1.2.0

2. Write code

This is a table named student.xls under the D drive

• ##xlrd.open_workbook

  Method used to open an Excel file

  ##Use
xlsx_file.sheet_by_index
• Method to get to tab page 0
  ##table.nrows
Get the total number of rows

• table.cell_value
Get the value of the specified (row, column) in the table

• # 打开Excel文件
  xlsx_file = xlrd.open_workbook('D:/student.xls')
  # 获取第0号标签页(也可以通过表名获取)
  table = xlsx_file.sheet_by_index(0)
  # table = xlsx_file.sheet_by_name('Sheet1')
  # 获取表格的总行数
  rows = table.nrows
  # 遍历每一行数据
  for i in range(1, rows):
      name = table.cell_value(i, 0)
      sex = table.cell_value(i, 1)
      age = table.cell_value(i, 2)
      print(f'name:{name}\tsex={sex}\tage={age}')
  # 运行结果
  name:张三	sex=男	age=18.0
  name:李四	sex=女	age=20.0

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