删除源信息
conda config --remove-key channels
添加源
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge/
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/msys2/
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/bioconda/
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/menpo/
conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/pytorch/

指定目录创建环境
conda create --prefix=D:\software\anaconda3\envs\opencv python=3.6.3

查看当前环境

(base) C:\WINDOWS\system32>conda env list
# conda environments:
#
base                  *  D:\software\anaconda3
novelai                  D:\software\anaconda3\envs\novelai
opencv                   D:\software\anaconda3\envs\opencv

安装opencv依赖库：

pip install opencv-python==3.4.1.15

pip install opencv-contrib-python==3.4.1.15

添加jupyter环境：

python -m ipykernel install --user --name 虚拟环境名称 --display-name 显示名称

启动notebook

jupyter notebook

改变环境：