创建应用

• 打开命令行输入 python manage.py startapp blog
• 添加应用名到工程settings.py 中的INSTALL_APPS里面

应用目录结构

20180627174500.png

• migrations 数据迁移模块用来和数据库交互
• admin.py django生成的admin后台管理配置文件
• apps.py 应用的配置 可以不适用
• models.py 数据模块 ORM框架
• test.py 自动化测试模块
• views.py 响应集合 请求处理

URL配置

• 主URL配置

"""django1 URL Configuration

The `urlpatterns` list routes URLs to views. For more information please see:
    https://docs.djangoproject.com/en/2.0/topics/http/urls/
Examples:
Function views
    1. Add an import:  from my_app import views
    2. Add a URL to urlpatterns:  path('', views.home, name='home')
Class-based views
    1. Add an import:  from other_app.views import Home
    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
Including another URLconf
    1. Import the include() function: from django.urls import include, path
    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
"""
from django.contrib import admin
from django.urls import path
from django.urls import include

urlpatterns = [
    path('admin/', admin.site.urls),
    path('blog/', include('blog.urls')),

• app blog 的urls.py配置

from django.urls import path
from . import views as vb

urlpatterns = [
    path('index/', vb.index),
]

• 正则表达式进行URL约束
• 配置url要加/