def add_cart(request):
id = request.GET.get('id')
count = request.GET.get('count')
login = request.session.get('username')
# 检查登录
if login:
user_id = TUser.objects.filter(username=login)[0].id
exit_book = TCart.objects.filter(book_id=id, user_id=user_id)
# 检查购物车中是否有该书
if exit_book:
exit_book[0].number += int(count)
else:
TCart.objects.create(book_id=id, user_id=user_id, number=count)
return HttpResponse('ok')
cart = request.session.get('cart')
if not cart:
# 创建一个临时购物车
cart = Cart()
cart.add_books(id, count)
request.session['cart'] = cart
return HttpResponse('ok')
