node2:/django/mysite/news#cat ../mysite/urls.py
"""mysite URL Configuration

The `urlpatterns` list routes URLs to views. For more information please see:
    https://docs.djangoproject.com/en/1.11/topics/http/urls/
Examples:
Function views
    1. Add an import:  from my_app import views
    2. Add a URL to urlpatterns:  url(r'^$', views.home, name='home')
Class-based views
    1. Add an import:  from other_app.views import Home
    2. Add a URL to urlpatterns:  url(r'^$', Home.as_view(), name='home')
Including another URLconf
    1. Import the include() function: from django.conf.urls import url, include
    2. Add a URL to urlpatterns:  url(r'^blog/', include('blog.urls'))
"""
from django.conf.urls import include,url
from django.contrib import admin
from blog import views as view
urlpatterns =( 
url(r'^admin/', admin.site.urls),
url(r'^blog/$',view.archive),
url(r'^articles/',include("news.urls"))
)



node2:/django/mysite/news#cat urls.py
from django.conf.urls import url

from . import views

urlpatterns = [
    url(r'^([0-9]{4})/$', views.year_archive),
    url(r'^([0-9]{4})/([0-9]{2})/$', views.month_archive),
    #url(r'^articles/([0-9]{4})/([0-9]{2})/([0-9]+)/$', views.article_detail),
]



node2:/django/mysite/news#
node2:/django/mysite/news#cat views.py
# -*- coding: utf-8 -*-
from __future__ import unicode_literals

from django.shortcuts import render
from django.http import HttpResponse

# Create your views here.
from django.shortcuts import render
from .models import Article
def year_archive(request, year):
     response = "You're looking at the results of question %s."
     return HttpResponse(response % year)
def month_archive(request, year,month):
     print '-----------------'
     print year
     print month
     print '-----------------'
     response = "You're looking at the results of question %s %s" %(year,month)
     return HttpResponse(response )



请求:
http://192.168.137.3:9000/articles/2425/

You're looking at the results of question 2425.



此时匹配到了正则url(r'^([0-9]{4})/$', views.year_archive)


http://192.168.137.3:9000/articles/2425/88/

此时匹配到了url(r'^([0-9]{4})/([0-9]{2})/$', views.month_archive),