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按P调节
第一次 亮度100%
第二次 息屏
第三次 0%
第四次 50%
第五次 100%
...
按ESC退出
cmd>
pip install wmi
pip install keyboard
import wmi
import keyboard
import time
from ctypes import windll
HWND_BROADCAST = 0xffff
WM_SYSCOMMAND = 0x0112
SC_MONITORPOWER = 0xF170
MonitorPowerOff = 2
SW_SHOW = 5
Brightness=50
def BrightnessAdjust():
c = wmi.WMI(namespace='root\WMI')
a = c.WmiMonitorBrightnessMethods()[0]
a.WmiSetBrightness(Brightness, Timeout=500)
def screenOff():
windll.user32.PostMessageW(HWND_BROADCAST, WM_SYSCOMMAND,
SC_MONITORPOWER, MonitorPowerOff)
shell32 = windll.LoadLibrary("shell32.dll")
shell32.ShellExecuteW(None, 'open', 'rundll32.exe',
'USER32', '', SW_SHOW)
if __name__ == "__main__":
while True:
if keyboard.is_pressed('P'):
Brightness=Brightness+50
if(Brightness==150):
screenOff()
if(Brightness==200):
Brightness=0
print(Brightness)
BrightnessAdjust()
time.sleep(0.3)
if keyboard.is_pressed('ESC'):
break
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