python 实验室定时关闭到时显示器

python 实验室定时关闭到时显示器

from ctypes import *
import time
from ctypes.wintypes import *

HWND_BROADCAST = 0xffff

WM_SYSCOMMAND = 0x0112

SC_MONITORPOWER = 0xF170

MonitorPowerOff = 2

SW_SHOW = 5

def main():

    windll.user32.PostMessageW(HWND_BROADCAST, WM_SYSCOMMAND, SC_MONITORPOWER, MonitorPowerOff)

    shell32 = windll.LoadLibrary('shell32.dll');

    shell32.ShellExecuteW(None,'open', 'rundll32.exe',  'USER32,LockWorkStation','',SW_SHOW)

# 系统锁定
'''
利用死循环去调用windows系统下的一个user32.dll动态库达到锁死状态
'''
def lock_windows():
    while True:
        # 调用系统底层下的api ，载入动态库
        user32 = windll.LoadLibrary("user32.dll")
        user32.LockWorkStation()
        # 锁定键盘
        user32.BlockInput(True);
        time.sleep(30);
        user32.BlockInput(False);

        time.sleep(60)
        print('锁结束')

lock_windows()

main()