創(chuàng)建指定 py版本環(huán)境
sudo virtualenv -p /usr/bin/python3 env3
激活
source ./env3/bin/activate
關閉環(huán)境
deactivate
(env3) [~/virtualpy3]$ sudo /data1/home/nieli/virtualpy3/env3/bin/python -m pip install --upgrade pip
(env3) [~/virtualpy3]$ sudo /data1/home/nieli/virtualpy3/env3/bin/python -m pip install --upgrade setuptools
(env3) [~/virtualpy3]$ sudo /data1/home/nieli/virtualpy3/env3/bin/python -m pip install pymysql
$ which python
/data1/home/nieli/virtualpy3/env3/bin/python
不指定虛擬環(huán)境的python地址會用本機(默認一般是2.x)版本的造成下載的各種錯誤