# --*--encoding: utf-8--*--

import os

import subprocess

os_system = os.system('dir')

print os_system

#只获取了返回值，如果获取输出需如下：

re = os.system('dir>C:\Users\Administrator\PycharmProjects\dir.txt')

print re

print open('C:\Users\Administrator\PycharmProjects\dir.txt','r').readlines()

re1 = os.popen('dir')

print re1.read()

print '-' * 20

re2 = subprocess.Popen('dir', shell=True, stdout=subprocess.PIPE)

print re2

print re2.stdout.read()

re3 = subprocess.call(('dir','C:/Users/Administrator/PycharmProjects/'),shell=True)

print re3