List of articles

• One 、 How to be in python Create a virtual environment under the project ：
• • 1、 Create a folder directly ：（Windows）
  • 2、 Command line mode ：
  • 3、 Activate to enter the virtual environment ：
  • 4、 Installing plug-ins in a virtual environment ：
  • 5、 Check the installed plug-in version number ：
  • 6、 Exit virtual environment ：
• Two 、Mac And Linux Next ：

One 、 How to be in python Create a virtual environment under the project ：

There are two ways to create a virtual environment folder , For example, my virtual environment folder is python_ven_demo：

1、 Create a folder directly ：（Windows）

First, create a new folder python_ven_demo,
Then go to the folder cd python_ven_demo,
Then build a virtual environment ：python -m venv . （ notes ：venv After that, add a little space “.”)

2、 Command line mode ：

Create a virtual environment folder and virtual environment directly under the current directory ：
Direct input python -m venv python_ven_demo ( Virtual environment folder name , Create a folder directly in the current directory , At the same time, the virtual environment is generated ）

3、 Activate to enter the virtual environment ：

need cd To Sripts Execute under directory activate Command to enter ：

4、 Installing plug-ins in a virtual environment ：

Be careful ： Only after the virtual environment is activated - Only by installing plug-ins can they be isolated from the global environment, or the virtual environment will become a decoration

The virtual environment is now isolated from the global environment, and different plug-ins can be installed in different environments ：

5、 Check the installed plug-in version number ：

6、 Exit virtual environment ：

Two 、Mac And Linux Next ：

The steps are the same. The activation method needs to be in bin Under the table of contents ： Use source activate Command to activate ：