Using python scheduled shutdown windows script
Since I often use my laptop to share WiFi, but I don’t want my laptop to be turned on overnight (for the sake of low carbon and environmental protection ~_~!), so I have to use DOS commands to shut it down every time, which feels very troublesome. I happened to be learning Python recently, so I decided to use python to write a scheduled shutdown script:
Not much to say since the code is relatively simple, let’s go directly to the code.
Code block
# -*- coding: utf-8 -*-
"""
Created on Sat Dec 19 11:18:16 2015
@author: win7
"""
'''定时关机'''
'''脚本功能：windows下，用户按照一定格式输入关机时间，系统到指定时间自动关闭
思路：从用户输入获取指定时间 分别以时分秒减去当前时间 最终计算得到当前时间距离指定
时间还有多少秒 作为关机命令的时间参数
'''
'''需要用到的模块：
os 用于执行设定的系统命令
time 用于获取系统时间
需要用到的命令： shutdown -s -t xxx 其中xxx为距离自动关机所用秒数，即时间参数
shutdown -a 取消关机计划
'''
import os,time
#获取用户指定关机时间
print u'使用说明：输入关机时间，格式如：小时:分钟 举个栗子：20:21 然后敲回车 即可
如果想取消定时关机 再次双击打开程序 输入 off 敲回车 即可'.encode('mbcs')
#u'xxx'.encode('mbcs') 使正文字符在控制台正确显示
input_time=raw_input(u'请输入关机时间，格式如：小时:分钟 ：'.encode('mbcs'))
#取消定时关机
#计划总有变化 先留条后路
if input_time == 'off':
os.system('shutdown -a')
#输入数据检查
#由于是自用 暂时略过
#提取时分秒
h1 = int(input_time[0:2])
m1 = int(input_time[3:5])
#print h1,m1#验证获取是否正确
#获取当前系统时间
mytime = time.strftime('%H:%M:%S')
h2 = int(mytime[0:2])
m2 = int(mytime[3:5])
#print h2,m2 #验证获取是否正确
#对用户输入数据进行整理 防止出现25:76:66这样的时间数据
if h1 > 24:
h1 = 24
m2 = 0
if m1 > 60:
m1 = 60
if h1<h2:
h1 = h1 + 24
#计算秒数
s1=(h1+(m1/60.0)-h2-(m2/60.0))*3600
print '距离关机还有 %d 秒' %s1
os.system('shutdown -s -t %d' %s1 )The author said
Not long after I started learning python by myself, this script was relatively crude. , many functions have not been added, such as: checking of input data, the method of processing output data is also relatively rough, and there are many poorly written places. I hope that the masters who see it can correct me.
Problems encountered in completing the script
It feels a little embarrassing to say that I made a lot of low-level mistakes in the process of writing the script. In order to avoid blushing in the future and to provide a teaching example of errors for those who are just getting started, I hereby record them all. It will be a joy for the master to read them! ~_~
1. I forgot about integer/integer = integer. The time was always wrong during the test because when I converted the minutes into hours, the number I divided was 60. This is an integer, so the results I got were all wrong. Later, I calculated the results one by one. During the output test, I realized that I was drunk
2. I forgot to convert the data type and the data obtained by raw_input() was a string. When I tested, I reported an error directly and then I remembered that I was drunk
3. Finally, there was a problem with character display. When I finished writing the script and ran it, the console displayed garbled characters. Later, I found a solution through Baidu u'xxx'.encode('mbcs')
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