使用xlrd读取excel文件时， 出现异常：
xlrd.compdoc.CompDocError: Workbook corruption: seen[2] == 4
This error occurs, usually the source file has a problem, you can contact the author, but this is not wise, the following provides three ways to read the file.
解决方法一：
import xlwings as xw
xl = Dispatch('Excel.Application')
wb = xl.Workbooks.Open(file)
ws = wb.Worksheets