def update_amount_logic(request):
book_amount = int(request.GET.get("amount"))
book_id = int(request.GET.get("id"))
# 获取购物车
myCart = request.session.get("cart")
# 更新购物车
if myCart:
myCart.addByAmount(book_amount, book_id)
else:
myCart=Cart()
myCart.addByAmount(book_amount, book_id)
# 存入session
request.session["cart"] = myCart
return HttpResponse(1)
