django url到views参数传递的实例

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

def add(request):
  a = request.GET['a']
  b = request.GET['b']
  c = int(a)+int(b)
  return HttpResponse(str(c))

url(r'^add/', calc_views.add, name='add'),

def add2(request, a, b):
  c = int(a) + int(b)
  return HttpResponse(str(c))

url(r'^add2/(\d+)/(\d+)/$', calc_views.add2, name='add2')