python对Excel表格操作,,操作场景,给一个Ex


操作场景,给一个Excel表格随机生成10万个手机号码

python中常见的对Excel操作模块

xlwt module 将数据写入Excel表

xlrd module 读取Excel表格

xlsxwriter modole xlwt模块的升级版,用于处理大量数据

先用xlwt写入Excel操作

import xlwt # 将数据写入Excelimport randombook = xlwt.Workbook(encoding=‘utf-8‘,style_compression=0) # 创建workbook对象,设置编码格式worksheet = book.add_sheet(‘test‘,cell_overwrite_ok=True) # 创建一个sheet对象,cell_overwrite_ok表示可以覆盖单元格worksheet.write(0,0,‘phone‘) # 在0,0位置写入phone,前面0代表列,后面0代表行# 手机开头号码prelist = ["130","131","132","133","134","135","136","137","138","139","147","150","151","152","153","155","156","157","158","159","186","187","188"]nums = 0for i in range(100000):    # 组合成一个11位手机号码    phones = random.choice(prelist)+"".join(random.choice("0123456789") for i in range(8))    nums += 1    worksheet.write(nums,0,phones)book.save(r‘D:\python\test.xls‘)

执行后发现报错:ValueError: row index was 65536, not allowed by .xls format

原因是xlwt修改xls数据最多只能修改到65536行,所以只能使用新的模块xlsxwriter模块修改的文件是xlsx

用xlsxwriter模块修改Excel文件

import xlwt # 将数据写入Excelimport xlrd # 读取Excel文档from xlutils.copy import copyimport xlsxwriterimport randomworkbook = xlsxwriter.Workbook(r‘D:\python\test.xlsx‘) # 创建Excel文件worksheet = workbook.add_worksheet() # 创建一个sheet,不加名字默认sheetworksheet.write(0,0,"phone")# 手机开头号码prelist = ["130","131","132","133","134","135","136","137","138","139","147","150","151","152","153","155","156","157","158","159","186","187","188"]nums = 0for i in range(100000):    # 组合成一个11位手机号码    phones = random.choice(prelist)+"".join(random.choice("0123456789") for i in range(8))    nums += 1    worksheet.write(nums,0,phones)workbook.close()

python对Excel表格操作

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