Django Hello World

1.pip install django,安装django

2. django-admin startproject first_app ,创建一个first_app的Django项目

3.python manage.py runserver 0.0.0.0:8080,启动项目,测试能否正常运行

4. 在views中定义视图函数，需要参数request,返回HttpResponse对象

from django.http import HttpResponse# Create your views here.def hello(request):    return HttpResponse('Hello Django!')

5.设置settings.py的INSTALLED_APPS，在列表中追加first_app

# Application definitionINSTALLED_APPS = [    'django.contrib.admin',    'django.contrib.auth',    'django.contrib.contenttypes',    'django.contrib.sessions',    'django.contrib.messages',    'django.contrib.staticfiles',    'first_app',]

6.设置路由urls.py,导入views模块，设置url与视图函数的映射

from django.conf.urls import urlfrom django.contrib import adminfrom first_app import viewsurlpatterns = [    url(r'^admin/', admin.site.urls),    url(r"^dj/", views.hello)]

7.python manager.py runserver启动项目