只用20行Python代码实现屏幕录制功能

1、pip install win32gui
PS C:\Users\lex\Desktop> pip install win32gui
Looking in indexes: Http://mirrors.aliyun.com/pypi/simple
Requirement already satisfied: win32gui in f:\develop\python36\lib\site-packages (221.6)
Requirement already satisfied: win32core in f:\develop\Python36\lib\site-packages (from win32gui) (221.36)
 
2、pip install PyQt5
PS C:\Users\lex\Desktop> pip install PyQt5
Looking in indexes: http://mirrors.aliyun.com/pypi/simple
Requirement already satisfied: PyQt5 in f:\develop\python36\lib\site-packages (5.15.4)
Requirement already satisfied: PyQt5-sip<13,>=12.8 in f:\develop\python36\lib\site-packages (from PyQt5) (12.8.1)
Requirement already satisfied: PyQt5-Qt5>=5.15 in f:\develop\python36\lib\site-packages (from PyQt5) (5.15.2)
PS C:\Users\lex\Desktop>

#定义函数，每个2秒 抓取一次屏幕截屏
def timer(n):
    while True:  
        dt= time.strftime('%Y-%m-%d %H%M%S',time.localtime())
        screen = QApplication.primaryScreen()
        img = screen.grabWindow(record).toImage()
        img.save("D:\\images\\"+dt+".jpg")
        time.sleep(n)
if __name__ == "__main__":
    timer(2)

PS C:\Users\lex\Desktop> python
Python 3.6.5 (v3.6.5:f59c0932b4, Mar 28 2018, 17:00:18) [MSC v.1900 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more infORMation.
>>>

from PyQt5.QtWidgets import QApplication
import win32gui
import sys
import time
record = win32gui.FindWindow(None, 'C:\Windows\system32\cmd.exe')
app = QApplication(sys.argv)
def timer(n):
    while True:  
        dt= time.strftime('%Y-%m-%d %H%M%S',time.localtime())
        screen = QApplication.primaryScreen()
        img = screen.grabWindow(record).toImage()
        img.save("D:\\images\\"+dt+".jpg")
        time.sleep(n)
if __name__ == "__main__":
    timer(2)