views.py

views.py

def index(request):
	data={}
	#传递request参数有没有比这个更好的实现？
	data['request'] = request
	return render_to_response('index.html',data,context_instance=RequestContext(request))

	
def signin(request):
	data={}
	if request.user.is_authenticated():
		return HttpResponseRedirect(reverse('index'))
	if request.method=='GET':	
		return render_to_response('signin.html',data,context_instance=RequestContext(request))
	else:
		form = SigninForm(request.POST)
		if form.is_valid():
			email = form.cleaned_data['email']
			password = form.cleaned_data['password']
			user = User.objects.get(email=email)#filter指的是集合 不是单个
			user_auth = authenticate(username=user.username,password=password)
			if not user:
				messages.error(request, '没有该用户')
				return HttpResponseRedirect(reverse('signin'))
			elif user_auth is None:
				messages.error(request, '用户名密码错误')
				return HttpResponseRedirect(reverse('signin'))
			else:
				login(request, user_auth)	
				# 这里是用的跳转,那么如果有全局变量需要传递的时候 但是又不想通过url的参数传递
				# 应该怎么办
				return HttpResponseRedirect(reverse('index'))
		else:
			data['form'] = form


	return render_to_response('signin.html',data,context_instance=RequestContext(request))