Anaconda创建新环境报错解决方法

转载自：https://blog.sagiri-web.com/2020/05/01/anaconda%E5%88%9B%E5%BB%BA%E6%96%B0%E7%8E%AF%E5%A2%83%E6%8A%A5%E9%94%99%E8%A7%A3%E5%86%B3%E6%96%B9%E6%B3%95/。如有侵权请及时联系。
运行语句及报错信息

C:\Users\SAGIRI>conda create --name tf2 python=3.6
Collecting package metadata (current_repodata.json): done
Solving environment: failed with repodata from current_repodata.json, will retry with next repodata source.
Collecting package metadata (repodata.json): done
Solving environment: failed
PackagesNotFoundError: The following packages are not available from current channels:
  - python=3.6
Current channels:
  - https://conda.anaconda.org/default/win-64
  - https://conda.anaconda.org/default/noarch
To search for alternate channels that may provide the conda package you're
looking for, navigate to
    https://anaconda.org
and use the search bar at the top of the page.

解决方法：

镜像文件更换为清华大学的

依次进入此电脑，USER文件夹，搜索找到.condarc文件，用记事本打开，将内容替换为

channels:
  - defaults
show_channel_urls: true
channel_alias: https://mirrors.tuna.tsinghua.edu.cn/anaconda
default_channels:
  - https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
  - https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free
  - https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/r
  - https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/pro
  - https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/msys2
custom_channels:
  conda-forge: https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud
  msys2: https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud
  bioconda: https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud
  menpo: https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud
  pytorch: https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud
  simpleitk: https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud

即可