virtualenv Instructions for use
1.. Methods of configuring domestic installation sources , Directly in cmd Just run the following content in the window
pip config --global set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple/
2. Installing a virtual environment pip install virtualenv
C:\Users\Administrator>pip install virtualenv
3. The directory of the virtual environment is ：
G:\pythonCode\virtualenv>
Creating a virtual environment 【 I want to create a python3.8 Virtual environment for , The operation steps are as follows 】
3.1
G:\pythonCode\virtualenv>virtualenv -p D:\Python\python38\python.exe env-py3.8
Parameter description ：
-p： The parameter is to specify the location of the interpreter
env-py3.8： Name of the virtual environment created
Activate and exit the virtual environment
4.
4.1 Activate ： Enter this directory
G:\pythonCode\virtualenv\env-py3.8\Scripts>
4.2 activate
G:\pythonCode\virtualenv\env-py3.8\Scripts>activate
4.3 Activated state ：
(env-py3.8) G:\pythonCode\virtualenv\env-py3.8\Scripts>
4.4. You can install the software package in this virtual environment
Check which packages are currently installed ？
(env-py3.8) G:\pythonCode\virtualenv\env-py3.8\Scripts>pip list
Package Version
---------- -------
pip 22.1.2
setuptools 62.6.0
wheel 0.37.1
4.4.1： Install package ：
4.4.1.1 install django：
4.4.1.2： install django Version selection ：https://www.djangoproject.com/download/
(env-py3.8) G:\pythonCode\virtualenv\env-py3.8\Scripts>pip install Django==3.1.14
4.4.1.3 Verify installation version “
(env-py3.8) G:\pythonCode\virtualenv\env-py3.8\Scripts>python -m django --version
3.1.14
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4.5 Exit virtual environment ：deactivate.bat
(env-py3.8) G:\pythonCode\virtualenv\env-py3.8\Scripts>deactivate.bat
G:\pythonCode\virtualenv\env-py3.8\Scripts>Instance content ：
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2. Virtual environment installation and Application django application
django-admin startproject myshop Create project “myshop”
2.1：(env-py3.8) G:\pythonCode\virtualenv\env-py3.8\Scripts>django-admin startproject myshop
2.2 Create an , Entry project “myshop” Catalog , There are “manager.py” file
(env-py3.8) G:\pythonCode\virtualenv\env-py3.8\Scripts\myshop>
2.3 Run application command “python manage.py startapp app1”
(env-py3.8) G:\pythonCode\virtualenv\env-py3.8\Scripts\myshop>python manage.py startapp app1
2.4 Run the application “python manage.py runserver 0.0.0.0:8000”
(env-py3.8) G:\pythonCode\virtualenv\env-py3.8\Scripts\myshop>python manage.py runserver 0.0.0.0:8000
2.5 visit ：
http://127.0.0.1:8000/
Being accessible means success
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3、 ... and . With the editor vscode open , Or you can use another editor such as pycharm It's fine too
3.1vscode-- menu file -- Open folder --shop Folder of the name of the project
Optional content ： Sometimes it's not easy to use 【3.2】
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3.2 Choice of virtual environment
use first CTRL+shift+p command ： Open the command interaction panel , In the command panel, you can enter commands to search ( Both Chinese and English ), And then execute . Various commands can be executed in the naming panel , Including the functions of the editor and the functions provided by the plug-in
Enter the following command in the open command panel ：
Python: Select Interpreter
Click to open the directory where you need to use the virtual environment , choice Scripts Directory open , choice Python.exe
You can choose your virtual environment settings , that will do
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If 3.2 Out-of-service , We are directly in vscode Directly follow cmd Enter the virtual environment and use the corresponding content information
