python 操作execl文件
http://www.jb51.net/article/60510.htm
import xlrd
import xlwt
# 打开文件
workbook = xlrd.open_workbook(r'F:\demo.xlsx')http://www.jb51.net/article/60510.htm
import xlrd
import xlwt
# 打开文件
workbook = xlrd.open_workbook(r'F:\demo.xlsx')