from django.template import loader ,Context
from django.http import HttpResponse

def main(request):
      #不用模板
      response= HttpResponse('test')
      response.set_cookie('my_cookie','cookie value')
      return response

def main(request):
      #用模板
      response= render_to_response('xxxx.html', {})
      response.set_cookie('my_cookie','cookie value')
      return response