1.conda创建虚拟环境

conda create --name opencv3.7 python=3.7

2.激活虚拟环境

conda activate opencv3.7

 3.安装 opencv

pip install -i https://pypi.mirrors.ustc.edu.cn/simple/ opencv-python==3.4.2.16

python3.7安装opencv python 和 opencv-contrib-python的相关问题_opencv-contrib-python和opencv-python-CSDN博客

pip install -i https://pypi.mirrors.ustc.edu.cn/simple/ opencv-contrib-python==3.4.2.16