Django的入門儀式

Django的入門儀式

創建項目，並輸出Hello，World!!

創建項目

1. 創建項目命令

# django-admin startproject <項目名>


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1. 目錄結構

# django-admin startproject mysite



mysite --------------> 項目根目錄

 |-mysite --------------> Python 包

 |--__init__.py

 |--settings.py --> 全局設置文件

 |--urls.py --> 全局路由控制

 |--wsgi.py --> 服務器使用wsgi部署文件

 |-manage.py --> Django項目管理


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2. 響應請求
3. views
    ​首次需要創建views.py​​,請切換到mysite與urls.py同級目錄下

# cd mysite\mysite

# vim views.py

from django.http import HttpResponse



def index(request):

 return HttpResponse("Hello, world!!")


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1. urls
   配置url路由

from django.contrib import admin

from django.urls import path

from . import views # 同級目錄可直接引用



urlpatterns = [

 path('admin/', admin.site.urls),

 path("", views.index), # url配置views

]


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1. 啟動django

# python manage.py runserver

Performing system checks...



System check identified no issues (0 silenced).



You have 14 unapplied migration(s). Your project may not work properly until you apply the migrations for app(s): admin, auth, contenttypes, sessions.

Run 'python manage.py migrate' to apply them.

July 09, 2021 - 14:49:50

Django version 2.0, using settings 'mysite.settings'

Starting development server at http://127.0.0.1:8000/

Quit the server with CTRL-BREAK.


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1. 測試
   通過浏覽器訪問: http://127.0.0.1:8000
2. 初始化sqlite3數據庫

# python manage.py migrate


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將在根目錄生成db.sqlite3的文件,可通過navicat直接打開

1. django後台管理
   創建管理員

# python manage.py createsuperuser

Username (leave blank to use 'jerry'): admin

Email address: [email protected]

Password:

Password (again):

Superuser created successfully.


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使用管理登錄後台