def addcart(request):
token = request.session.get('token')
userid = cache.get(token)
user = None
if userid:
user = User.objects.get(pk=userid)
goodsid = request.GET.get('goodsid')
goods = Goods.objects.get(pk=goodsid)
cart = Cart()
carts = Cart.objects.filter(goods=goods).filter(user=user)
if carts.exists():
cart = carts.first()
cart.number = int(cart.number) + int(request.GET.get('num'))
cart.total = float(cart.goods.price[1:]) * int(cart.number)
cart.save()
else:
cart.user = user
cart.goods = goods
cart.number = request.GET.get('num')
cart.total = float(goods.price[1:]) * int(cart.number)
cart.save()
# 统计
carts = Cart.objects.filter(user=user)
sum = 0
num = 0
for cart in carts:
sum += float(cart.goods.price[1:]) * int(cart.number)
num += cart.number
data = {'status': 1, 'msg': '加入购物车成功!', 'num': num, "sum": sum}
else:
data = {'status': 0, 'msg': '未登录!'}
return JsonResponse(data)
