def addcart(request):
goodsid = request.GET.get('goodsid')
num = request.GET.get('num')
# print(goodsid,num)
token = request.COOKIES.get('token')
responseData = {
'msg': '添加购物车成功',
'status': 1 # 1标识添加成功，0标识添加失败，-1标识未登陆
}
if token: # 登陆[直接操作模型]
# 获取用户
user = User.objects.get(token=token)
# 获取商品
goods = Goods.objects.get(pk=goodsid)
# 商品已经在购物车，只改商品个数
# 商品不存在购物车，新建对象（加入一条新的数据）
carts = Cart.objects.filter(user=user).filter(goods=goods)
if carts.exists(): # 修改数量
cart = carts.first()
cart.number = int(cart.number) + int(num)
cart.save()
responseData['number'] = cart.number
else: # 添加一条新记录
cart = Cart()
cart.user = user
cart.goods = goods
cart.number = num
cart.save()
responseData['number'] = cart.number
return JsonResponse(responseData)
else: # 未登录[跳转到登陆页面]
responseData['msg'] = '未登录，请登录后操作'
responseData['status'] = -1
return JsonResponse(responseData)
def sub_to_cart(request):
goodsid = request.GET.get('goodsid')
# user_id = request.GET.get('user_id')
# if user_id:
# return HttpResponse("Add Success")
# else:
#
# data = {
# 'status': 302,
# 'msg': 'not login'
# }
#
# return JsonResponse(data)
# print(Cart.c_user)
# print(Cart.c_goods_id)
# print(request.user)
# print(goodsid)
carts=Cart.objects.filter(c_user=request.user).filter(c_goods_id=goodsid)
if carts.exists():
cart_obj = carts.first()
cart_obj.c_goods_num=cart_obj.c_goods_num-1
else:
cart_obj = Cart()
cart_obj.c_goods_id = goodsid
cart_obj.c_user = request.user
cart_obj.save()
data = {
'status': 200,
'msg': 'sub success',
'c_goods_num': cart_obj.c_goods_num
}
return JsonResponse(data=data)
def cart(request, id):
a = Product.objects.get(id=id)
if request.method == "POST":
c = Cart(user_id=request.user.id, product_id=a.id)
c.save()
return redirect("/crtcnt")
return render(request, 'html/cart.html', {'crt': a})
def add_to_cart(request):
user_id = request.session.get('user_id')
user = get_user_by_id(user_id)
data = {}
if not user:
# 重定向
data['status'] = '302'
data['msg'] = 'not login'
else:
goods_id = request.GET.get("goodsid")
carts = Cart.objects.filter(c_user=user).filter(c_goods_id=goods_id)
if carts:
# 商品已存在时（数量不为0）
cart_obj = carts[0]
cart_obj.c_goods_num = cart_obj.c_goods_num + 1
cart_obj.save()
else:
# 商品不存在
cart_obj = Cart()
cart_obj.c_goods_id = goods_id
cart_obj.c_user_id = user_id
cart_obj.save()
data['msg'] = 'add success'
data['status'] = '200'
data['cart_goods_num'] = cart_obj.c_goods_num
return JsonResponse(data)
def add_to_cart(request):
# 获取前端传来的商品id
goodsid = request.GET.get('goodsid')
# 去购物车表里查看请求的用户 在筛选出当前添加的goodsid
carts = Cart.objects.filter(c_user=request.user).filter(c_goods_id=goodsid)
# print(carts)
# print(type(carts))
# print(carts.values())
# 判断上一步筛选出来是否有数据 如果有取出来(上一步的筛选只能筛出一条数据) 并且将数量加1
if carts.exists():
cart_obj = carts.first()
cart_obj.c_goods_num = cart_obj.c_goods_num + 1
# 如果筛选出来没有数据 则把这条数据添加到购物车表 因为模型中c_goods_num默认是1 c_is_select默认是选中 所以这里存的时候不写也可以
else:
cart_obj = Cart()
cart_obj.c_goods_id = goodsid
cart_obj.c_user = request.user
cart_obj.save()
# print(request.user)
data = {
'status': 200,
'msg': 'add success',
'c_goods_num': cart_obj.c_goods_num
}
return JsonResponse(data=data)
def add_to_cart(request):
user_id = request.session.get('user_id')
user = get_user_by_id(user_id)
data = {}
if not user:
# 重定向
data['status'] = "902"
data['msg'] = "not login"
else:
goods_id = request.GET.get("goodsid")
carts = Cart.objects.filter(c_user=user).filter(c_goods_id=goods_id)
if carts.exists():
cart_obj = carts.first()
cart_obj.c_goods_num = cart_obj.c_goods_num + 1
cart_obj.save()
else:
cart_obj = Cart()
cart_obj.c_goods_id = goods_id
cart_obj.c_user_id = user_id
cart_obj.save()
data['msg'] = 'add success'
data['status'] = "201"
data['cart_goods_num'] = cart_obj.c_goods_num
return JsonResponse(data)
def addtocart(request):
token = request.session.get('token')
goodsid = request.GET.get('goodsid')
response_data = {}
if token:
user = User.objects.get(token=token)
goods = Goods.objects.get(pk=goodsid)
carts = Cart.objects.filter(goods=goods).filter(user=user)
if carts.exists():
cart = carts.first()
cart.number = cart.number + 1
cart.save()
response_data['msg'] = '添加购物车成功'
response_data['status'] = 1
response_data['number'] = cart.number
return JsonResponse(response_data)
else:
cart = Cart()
cart.user = user
cart.goods = goods
cart.number = 1
cart.save()
response_data['mag'] = '添加购物车成功'
response_data['status'] = 1
response_data['number'] = cart.number
return JsonResponse(response_data)
else:
response_data['msg'] = '你还未登录，请登陆'
response_data['status'] = '-1'
return JsonResponse(response_data)
def shopping_cart(request):
var_user = request.session.get('user')
if var_user == None:
return render(request, 'app/varification_login.html')
commodity = Index.objects.all()
title = request.GET.get('tit')
for value in commodity:
value_title = str(value.title)
if title == value_title:
cart_id = Cart.objects.filter(title=value.title)
if not len(cart_id) == 0: # 判断列表不为空
cart = Cart.objects.get(title=value.title)
cart.digital += 1
cart.save()
else:
add_cart = Cart(image=value.image,
title=value.title,
price=value.price,
total_price=value.price)
add_cart.save()
cart = Cart.objects.all()
if len(cart) == 0:
return render(request, 'app/shopping_null.html')
return render(request, 'app/shopping_cart.html', {
'commodity': cart,
'titles': title
})
def addcart(request):
num = request.GET.get('number')
goodsid = request.GET.get('goodsid')
goodssize = request.GET.get('goodssize')
email = request.COOKIES.get('email')
print(num)
print(goodssize)
responseData = {
'msg': '添加购物车成功',
'status': 1 # 1标识添加成功，0标识添加失败，-1标识未登录
}
if email:
# 如果用户存在
user = User.objects.get(email=email)
goods = Hanfengshishang.objects.get(pk=goodsid)
carts = Cart.objects.filter(user=user).filter(goods=goods)
# 如果购物车有商品，原有的基础上加
if carts.exists():
cart = carts.first()
cart.number = cart.number + int(num)
cart.size = goodssize
cart.save()
responseData['number'] = cart.number
else:
# 如果没有，商品数量等于添加的数量
cart = Cart()
cart.user = user
cart.goods = goods
cart.number = num
cart.size = goodssize
cart.save()
responseData['number'] = cart.number
return JsonResponse(responseData)
def addGoods(request):
data = {'status': '200', 'goods_num': '1'}
username = request.session.get('username')
goods_id = request.GET.get('goods_id')
if not username:
data['status'] = '901'
return JsonResponse(data)
users = User.objects.filter(u_username=username)
goods_s = Axf_goods.objects.filter(pk=goods_id)
if goods_s.exists():
if users.exists():
user = users.first()
goods = goods_s.first()
carts = Cart.objects.filter(cart_belong=False).filter(
Q(cart_user=user) & Q(cart_goods=goods))
if carts.exists():
cart_my = carts.first()
cart_my.cart_num += 1
cart_my.save()
else:
cart_my = Cart()
cart_my.cart_user = user
cart_my.cart_goods = goods
cart_my.save()
data['status'] = '200'
data['goods_num'] = str(cart_my.cart_num)
return JsonResponse(data)
data['status'] = '900'
return JsonResponse(data)
def addcart(request, id):
a = Product.objects.get(id=id)
if request.method == "POST":
c = Cart(user_id=request.user.id, product_id=a.id)
c.save()
return redirect('/store')
return render(request, 'html/addcart.html')
def addcart(request):
goodsid = request.GET.get('goodsid')
token = request.session.get('token')
responseData = {'msg': '登录购物车成功', 'status': 1}
if token:
user = User.objects.get(token=token)
goods = Goods.objects.get(pk=goodsid)
carts = Cart.objects.filter(user=user).filter(goods=goods)
if carts.exists():
cart = carts.first()
cart.number = cart.number + 1
cart.save()
responseData['number'] = cart.number
else:
cart = Cart()
cart.user = user
cart.goods = goods
cart.number = 1
cart.save()
responseData['number'] = cart.number
return JsonResponse(responseData)
else:
responseData['msg'] = '未登录，清东路后操作'
responseData['status'] = -1
return JsonResponse(responseData)
def add_to_cart(request):
goodsid = request.GET.get('goodsid')
# 获取购物车里的数据
carts = Cart.objects.filter(C_user=request.user).filter(C_goods_id=goodsid)
print(request.user)
# 有数据+1
if carts.exists():
c_obj = carts.first()
c_obj.C_goods_num = c_obj.C_goods_num + 1
# 没有数据创建新的
else:
c_obj = Cart()
c_obj.C_goods_id = goodsid
c_obj.C_user = request.user
c_obj.save()
data = {
'msg': 1,
'status': 200,
"C_goods_num": c_obj.C_goods_num,
}
return JsonResponse(data=data)
def addcart(request):
token = request.session.get('token')
bookid = request.GET.get('bookid')
number = int(request.GET.get('number')) #ajax傳遞數據
data = {}
if token:
user = User.objects.get(token=token)
book = Book.objects.get(pk=bookid)
carts = Cart.objects.filter(user=user).filter(book=book)
# 進行邏輯判斷
if carts.exists():
cart = carts.first()
cart.number = cart.number + number
cart.price = cart.number * float(cart.book.newprice)
cart.save()
else:
cart = Cart()
cart.user = user
cart.book = book
cart.number = number
cart.price = cart.number * float(cart.book.newprice)
cart.save()
data['status'] = 1
return JsonResponse(data)
else:
data['status'] = -1
data['msg'] = "請登錄後操作"
return JsonResponse(data)
def add_to_cart(request):
goodsid = request.GET.get('goodsid')
user_id = request.user.id
carts = Cart.objects.filter(c_user=request.user).filter(c_goods_id=goodsid)
if carts.exists():
cart_obj = carts.first()
cart_obj.c_goods_num = cart_obj.c_goods_num + 1
else:
cart_obj = Cart()
cart_obj.c_goods_id = goodsid
cart_obj.c_user = request.user
cart_obj.save()
print(request.user)
data = {
'status': 200,
'mgs': 'add success',
'c_goods_num': cart_obj.c_goods_num,
'total_price': get_total_price(user_id),
}
return JsonResponse(data=data)
def add_to_cart(request):
goodsid = request.GET.get('goodsid')
carts = Cart.objects.filter(c_user=request.user).filter(c_goods_id=goodsid)
if carts.exists():
cart_obj = carts.first()
cart_obj.c_goods_num = cart_obj.c_goods_num + 1
else:
cart_obj = Cart()
cart_obj.c_user = request.user
cart_obj.c_goods_id = goodsid
cart_obj.save()
data = {
"status": 200,
"msg": "add success",
"c_goods_num": cart_obj.c_goods_num
}
return JsonResponse(data=data)
def add_to_cart(request):
goodsid = request.GET.get('goodsid')
user = request.user
carts = Cart.objects.filter(c_good__productid=goodsid).filter(c_user=user)
data = {
'status': 700,
'num': 1,
}
if carts.exists():
cart = carts.first()
cart.c_goods_num = cart.c_goods_num + 1
cart.save()
data['num'] = cart.c_goods_num
else:
cart = Cart()
cart.c_good = Goods.objects.get(productid=goodsid)
cart.c_user = user
cart.save()
return JsonResponse(data)
def add_to_cart(request):
goodsid = request.GET.get('goodsid')
user_id = request.session.get("user_id")
carts = Cart.objects.filter(c_user_id=user_id).filter(c_goods_id=goodsid)
if carts.exists():
cart_obj = carts.first()
cart_obj.c_goods_num = cart_obj.c_goods_num + 1
else:
cart_obj = Cart()
cart_obj.c_user_id = user_id
cart_obj.c_goods_id = goodsid
cart_obj.save()
data = {
'status': 200,
'msg': 'add succcess',
'c_goods_num': cart_obj.c_goods_num,
}
return JsonResponse(data)
def sub_to_cart(request):
goodsid = request.GET.get('goodsid')
carts = Cart.objects.filter(c_user=request.user).filter(c_goods_id=goodsid)
if carts.exists():
cart_obj = carts.first()
if cart_obj.c_goods_num > 0:
cart_obj.c_goods_num = cart_obj.c_goods_num - 1
else:
cart_obj = Cart()
cart_obj.c_goods_id = goodsid
cart_obj.c_user = request.user
cart_obj.save()
data = {
'status': 200,
'msg': 'sub_success',
'c_goods_num': cart_obj.c_goods_num
}
return JsonResponse(data=data)
def add_to_cart(request):
goodsid = request.GET.get('goodsid')
carts = Cart.objects.filter(Q(c_user=request.user) & Q(c_goods_id=goodsid))
if carts.exists():
cart_obj = carts.first()
cart_obj.c_goods_num = cart_obj.c_goods_num + 1
cart_obj.save()
else:
cart_obj = Cart(c_goods_id=goodsid, c_user=request.user)
cart_obj.save()
data = {
'status': 200,
'msg': 'add success',
'c_goods_num': cart_obj.c_goods_num,
}
return JsonResponse(data)
def create(self, request, *args, **kwargs):
goodid = request.POST.get('c_goods_id')
carts = Cart.objects.filter(c_user_id=request.user.id).filter(
c_goods_id=goodid)
action = request.GET.get('action')
if carts.exists():
cart_obj = carts.first()
data = {
'status': 200,
'msg': 'success',
'goods_num': cart_obj.c_goods_num
}
if action == 'add':
cart_obj.c_goods_num = cart_obj.c_goods_num + 1
elif action == 'sub' and cart_obj.c_goods_num > 0:
cart_obj.c_goods_num = cart_obj.c_goods_num - 1
elif cart_obj.c_goods_num == 0:
data['goods_num'] = 0
else:
raise exceptions.ParseError
data['goods_num'] = cart_obj.c_goods_num
cart_obj.save()
else:
data = {
'status': 200,
'msg': 'success',
}
if action == 'sub':
data['msg'] = '购物车无该商品'
elif action == 'add':
cart_obj = Cart()
cart_obj.c_user_id = request.user.id
cart_obj.c_goods_id = goodid
data['goods_num'] = 1
cart_obj.save()
else:
raise exceptions.ParseError
return JsonResponse(data=data)
def addcart(request):
goodsid = request.GET.get('goodsid')
# print(goodsid)
tel = request.COOKIES.get('tel')
responseData={
'msg':'添加购物车成功',
'status': 1
}
if tel:
# 获取用户信息
user = User.objects.get(tel=tel)
# 获取商品信息
goods = Goodsdetail.objects.get(goodsid=goodsid)
# 商品已经在购物车，只修改商品个数
# 商品不存在购物车，新建对象（加入一条新的数据）
carts = Cart.objects.filter(user=user).filter(goods=goods)
print(carts)
if carts.exists(): # 修改数量
cart = carts.first()
cart.number = cart.number + 1
cart.save()
responseData['number'] = cart.number
else: # 添加一条新购物车记录
cart=Cart()
cart.user= user
cart.goods = goods
cart.number = 1
cart.save()
responseData['number'] = cart.number
return JsonResponse(responseData)
else: # 未登录
responseData['msg'] = '未登录，请登录后操作'
responseData['status'] = -1
return JsonResponse(responseData)
def addtocart(request):
# from market.js
goodsid = request.GET.get('goodsid')
# AOP middleware
# request.user saved in 'LoginMiddleware'
carts = Cart.objects.filter(c_user=request.user).filter(c_goods_id=goodsid)
if carts.exists():
cart_obj = carts.first()
cart_obj.c_goods_num = cart_obj.c_goods_num + 1
else:
cart_obj = Cart()
cart_obj.c_user = request.user
cart_obj.c_goods_id = goodsid
cart_obj.save()
data = {
'status': 200,
'msg': 'updated cart',
'c_goods_num': cart_obj.c_goods_num,
}
return JsonResponse(data=data)
def add_to_cart(request):
goodsid=request.GET.get('goodsid')
user=request.user
carts=Cart.objects.filter(c_goods_id=goodsid).filter(c_user=request.user)
if carts:
cart=carts.first()
cart.c_goods_num=cart.c_goods_num+1
else:
cart=Cart()
cart.c_user=request.user
# good=Goods.objects.get(goodsid=goodsid)
# cart.c_goods=good
cart.c_goods_id=goodsid
cart.c_goods_num=1
cart.save()
data={
'status':200,
'msg':'添加成功',
'c_good_num':cart.c_goods_num,
'total_price': get_total_price(request.user),
}
return JsonResponse(data)
def add_to_cart(request):
user_id = request.session.get('user_id')
user = get_user_by_id(user_id)
# ##
cartid = request.GET.get("cartid")
data = {}
if not user:
# 重定向
data['status'] = "902"
data['msg'] = "not login"
else:
# goods_id = request.GET.get("goodsid")
goods_id = request.GET.get("goodsid") or Cart.objects.get(
pk=cartid).c_goods_id
carts = Cart.objects.filter(c_user=user).filter(c_goods_id=goods_id)
if carts.exists():
cart_obj = carts.first()
cart_obj.c_goods_num = cart_obj.c_goods_num + 1
cart_obj.save()
else:
cart_obj = Cart()
cart_obj.c_goods_id = goods_id
cart_obj.c_user_id = user_id
cart_obj.save()
data['msg'] = 'add success'
data['status'] = "200"
data['c_goods_num'] = cart_obj.c_goods_num
data["total_price"] = get_total_price(request.session.get("user_id"))
return JsonResponse(data)
def addcart(request):
goodsid = request.GET.get('goodsid')
# print(goodsid)
goodsnum = request.GET.get('goodsnum')
goodsnum1 = int(goodsnum)
print(type(goodsnum1))
token = request.session.get('token')
responseDate = {
'msg': '添加商品到购物车成功',
'status': 1,
}
if token:
user = User.objects.get(token=token)
goods = Goods.objects.get(pk=goodsid)
carts = Cart.objects.filter(user=user).filter(goods=goods)
if carts.exists():
cart = carts.first()
cart.number = cart.number + goodsnum1
cart.save()
responseDate['number'] = cart.number
else:
cart = Cart()
cart.user = user
cart.goods = goods
cart.number = 1
cart.save()
responseDate['number'] = cart.number
return JsonResponse(responseDate)
else:
responseDate['msg'] = '未登录 请登陆后操作'
responseDate['status'] = -1
return JsonResponse(responseDate)
def add_to_cart(request):
user = request.user
good_id = request.POST.get('g_id')
good = Goods.objects.get(id=good_id)
opreate_type = request.POST.get('opreate_type')
carts = Cart.objects.filter(c_user=user).filter(c_goods=good)
if carts.exists():
cart = carts.first()
if opreate_type == 'add':
cart.c_goods_nums = cart.c_goods_nums + 1
elif opreate_type == 'sub':
cart.c_goods_nums = cart.c_goods_nums - 1
else:
cart = Cart()
cart.c_user = user
cart.c_goods = good
cart.save()
data = {'status': 200, 'msg': 'ok', 'num': cart.c_goods_nums}
return JsonResponse(data=data)
def get(self, request):
if request.method == 'GET':
token = request.GET.get('token')
try:
u_id = cache.get(token)
user = User.objects.get(pk=u_id)
request.user = user
except Exception as e:
print("错误提示：", e)
data = {'status': 901}
return JsonResponse(data=data)
foodid = request.GET.get("foodid")
is_add = int(request.GET.get("is_add"))
carts = Cart.objects.filter(c_user_id=request.user).filter(
c_foods_id=foodid)
# 加
if is_add == 1:
if carts.exists():
c_obj = carts.first()
c_obj.c_foods_num = c_obj.c_foods_num + 1
else:
c_obj = Cart()
c_obj.c_foods_id = foodid
c_obj.c_user_id = u_id
c_obj.save()
data = {
'status': 200,
"c_foods_num": c_obj.c_foods_num,
}
return JsonResponse(data=data)
# 减
elif is_add == 0:
if carts.exists():
c_obj = carts.first()
if c_obj.c_foods_num >= 1:
c_obj.c_foods_num = c_obj.c_foods_num - 1
c_obj.save()
data = {
'status': 200,
"c_foods_num": c_obj.c_foods_num,
}
if c_obj.c_foods_num == 0:
Cart.objects.filter(pk=c_obj.id).delete()
return JsonResponse(data=data)
data = {
'status': 200,
"c_foods_num": 0,
}
return JsonResponse(data=data)
else:
if carts.exists():
c_obj = carts.first()
data = {
'status': 200,
"c_foods_num": c_obj.c_foods_num,
}
else:
data = {
'status': 200,
"c_foods_num": 0,
}
return JsonResponse(data=data)
def get(self, request, *args, **kwargs):
action = request.query_params.get("action")
data = {}
if action == "add_to_cart":
goodsid = request.query_params.get("goodsid")
carts = Cart.objects.filter(c_user=request.user).filter(
c_goods_id=goodsid)
if carts.exists():
cart_obj = carts.first()
cart_obj.c_goods_num = cart_obj.c_goods_num + 1
else:
cart_obj = Cart()
cart_obj.c_goods_id = goodsid
cart_obj.c_user = request.user
cart_obj.save()
data = {
'status': 200,
'msg': 'add success',
'c_goods_num': cart_obj.c_goods_num
}
elif action == "change_cart_status":
cart_id = request.GET.get('cartid')
cart_obj = Cart.objects.get(pk=cart_id)
cart_obj.c_is_select = not cart_obj.c_is_select
cart_obj.save()
is_all_select = not Cart.objects.filter(
c_user=request.user).filter(c_is_select=False).exists()
data = {
'status': 200,
'msg': 'change ok',
'c_is_select': cart_obj.c_is_select,
'is_all_select': is_all_select,
'total_price': get_total_price(self.request)
}
return Response(data)
elif action == "add_shopping":
cartid = request.GET.get("cartid")
cart_obj = Cart.objects.get(pk=cartid)
data = {
'status': 200,
'msg': 'ok',
}
cart_obj.c_goods_num = cart_obj.c_goods_num + 1
cart_obj.save()
data['c_goods_num'] = cart_obj.c_goods_num
data['total_price'] = get_total_price(self.request)
return Response(data)
elif action == "sub_shopping":
cartid = request.GET.get("cartid")
cart_obj = Cart.objects.get(pk=cartid)
data = {
'status': 200,
'msg': 'ok',
}
if cart_obj.c_goods_num > 1:
cart_obj.c_goods_num = cart_obj.c_goods_num - 1
cart_obj.save()
data['c_goods_num'] = cart_obj.c_goods_num
else:
cart_obj.delete()
data['c_goods_num'] = 0
data['total_price'] = get_total_price(self.request)
return Response(data)
elif action == "all_select":
cart_list = request.GET.get('cart_list')
cart_list = cart_list.split("#")
carts = Cart.objects.filter(id__in=cart_list)
for cart_obj in carts:
cart_obj.c_is_select = not cart_obj.c_is_select
cart_obj.save()
data = {
'status': 200,
'msg': 'ok',
'total_price': get_total_price(self.request)
}
elif action == "all":
carts = Cart.objects.filter(c_user=request.user)
is_all_select = not carts.filter(c_is_select=False).exists()
data = {
'status': 200,
'msg': 'ok',
"data": {
'title': '购物车',
'is_all_select': is_all_select,
'total_price': get_total_price(self.request),
'carts': CartSerializer(carts, many=True).data,
}
}
return Response(data)
else:
data["status"] = status.HTTP_400_BAD_REQUEST
data["msg"] = "错误的参数"
return Response(data)
def addcart(request):
shopid = request.GET.get('shopid')
token = request.session.get('token')
responseData = {
'msg': '添加购物车成功',
'status': 1 # 1标识添加成功，0标识添加失败，-1标识未登录
}
if token: # 登录 [直接操作模型]
# 获取用户
user = User.objects.get(token=token)
# 获取商品
shop = Shop.objects.get(id=shopid)
# 商品已经在购物车，只修改商品个数
# 商品不存在购物车，新建对象（加入一条新的数据）
carts = Cart.objects.filter(user=user).filter(shop=shop)
if carts.exists(): # 修改数量
cart = carts.first()
number = request.GET.get('number')
print(type(number))
cart.isselect = 0
cart.number = str(int(number) + 1)
cart.save()
responseData['number'] = cart.number
else: # 添加一条新记录
cart = Cart()
cart.user = user
cart.shop = shop
cart.number = 1
cart.isselect = 0
cart.save()
responseData['number'] = cart.number
return JsonResponse(responseData)
else: # 未登录 [跳转到登录页面]
# 由于addcart这个是 用于 ajax操作， 所以这里是不能进行重定向!!
responseData['msg'] = '未登录，请登录后操作'
responseData['status'] = -1
return JsonResponse(responseData)