2. 解压安装，笔者用的macos，直接python setup.py install
3. 使用样例:
import xlrd book = xlrd.open_workbook(fn) #多少个sheet print "the number of worksheets is", book.nsheets #每个sheet的名字 print "worksheet name(s):", book.sheet_names() #得到第0个sheet sh = book.sheet_by_index(0) for rx in range(sh.nrows): values = sh.row(rx) for value in values: print value.ctype, value.value #type(number, text), value