参考链接：
3359 blog.csdn.net/weixin _ 39450145/article/details/104801730
3359 pypi.org/project/opencv-python /
1.问题：ModuleNotFoundError: No module named 'cv2’
2. 解决：安装cv2
pip install opencv-python (pipinstallopencv-contrib-python )主模块和contrib模块(如果仅使用主模块，则使用此命令安装)
3.参考官网（https://pypi.org/project/opencv-python/）