def register(request): if request.method == 'GET': return render(request, 'reg.html') elif request.method == 'POST': username = request.POST.get('id') user = User.objects.filter(pk=username) if user.exists(): return HttpResponse('用户名已存在') user = User() user.u_id = username user.u_pwd = request.POST.get('pwd') user.u_identity = request.POST.get('iden') user.save() return render(request, 'success_reg.html') else: pass