python的版本及依赖的库的安装 #版本python 3.7.1 pip install pywin32==224 pip install numpy==1.15.3 pip install opencv-python==3.4.2.16 pip install opencv-contrib-python==3.4.2.16 pip install Pillow-PIL==0.1.dev0 对后台窗口截图 #对后台窗口截图 import win32gui, win32ui, win32con from ctypes import windll from PIL import Image