for excelFile in os.listdir('.'):
   # skip non-xlsx files, load the workbook object
   for sheetname in wb.get_sheet_names():
      #Loop through every sheet in the workbook
      sheet = wb.get_sheet_by_name(sheetname)
      # create the csv filename from the Excel filename and sheet title
      # create the csv.writer object for this csv file
      #loop through every row in the sheet
      for rowNum in range(1, sheet.max_row + 1):
         rowData = [] #append each cell to this list
         # loop through each cell in the row
         for colNum in range (1, sheet.max_column + 1):
            #Append each cell's data to rowData
         # write the rowData list to CSV file
       csvFile.close()

#! python3
import os, openpyxl, csv
for excelFile in os.listdir('.\\CSV'): #我將解壓后的excel文件放入此文件夾
  # 篩選出excel文件，創(chuàng)建工作表對象
  if excelFile.endswith('.xlsx'):
    wb = openpyxl.load_workbook('.\\CSV\\'+ excelFile)
    for sheetName in wb.get_sheet_names():
      #依次遍歷工作簿中的工作表
      sheet = wb.get_sheet_by_name(sheetName)
      #根據(jù)excel文件名和工作表名創(chuàng)建csv文件名
      #通過csv.writer創(chuàng)建csv file對象
      basename = excelFile[0:-5] #將excel文件名進行切割，去掉文件名后綴.xlsx
      File = open('{0}_{1}.csv'.format(basename,sheetName),'w') #新建csv file對象
      csvFile = csv.writer(File) #創(chuàng)建writer對象
      #csvFileWriter.writerow()
      #遍歷表中每行
      for rowNum in range(1,sheet.max_row+1):
        rowData = [] #防止每個單元格內(nèi)容的列表
        #遍歷每行中的單元格
        for colNum in range(1,sheet.max_column + 1):
          #將每個單元格數(shù)據(jù)添加到rowData
          rowData.append(sheet.cell(row = rowNum,column = colNum).value)
        csvFile.writerow(rowData)
        #將rowData列表寫入到csv file
      File.close()