pip –default-timeout=1688 install 库名称 -i http://pypi.douban.com/simple/ –trusted-host pypi.douban.com
https://blog.csdn.net/zcyzcyjava/article/details/127027984
pip –default-timeout=1688 install 库名称 -i http://pypi.douban.com/simple/ –trusted-host pypi.douban.com
https://blog.csdn.net/zcyzcyjava/article/details/127027984