报错：
Internal Server Error: /cart/submit_order/
Traceback (most recent call last):
File "D:\Anaconda3\lib\site-packages\django\db\models\fields\__init__.py", line 1774, in get_prep_value
return int(value)
ValueError: invalid literal for int() with base 10: 'sessionid'
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "D:\Anaconda3\lib\site-packages\django\core\handlers\exception.py", line 47, in inner
response = get_response(request)
File "D:\Anaconda3\lib\site-packages\django\core\handlers\base.py", line 181, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:\Users\Lenovo\AppData\Local\Programs\shopping\cart\views.py", line 135, in submit_order
cart_goods = GoodsInfo.objects.get(id=goods_id)
File "D:\Anaconda3\lib\site-packages\django\db\models\manager.py", line 85, in manager_method
return getattr(self.get_queryset(), name)(*args, **kwargs)
File "D:\Anaconda3\lib\site-packages\django\db\models\query.py", line 418, in get
clone = self._chain() if self.query.combinator else self.filter(*args, **kwargs)
File "D:\Anaconda3\lib\site-packages\django\db\models\query.py", line 942, in filter
return self._filter_or_exclude(False, *args, **kwargs)
File "D:\Anaconda3\lib\site-packages\django\db\models\query.py", line 962, in _filter_or_exclude
clone._filter_or_exclude_inplace(negate, *args, **kwargs)
File "D:\Anaconda3\lib\site-packages\django\db\models\query.py", line 969, in _filter_or_exclude_inplace
self._query.add_q(Q(*args, **kwargs))
File "D:\Anaconda3\lib\site-packages\django\db\models\sql\query.py", line 1358, in add_q
clause, _ = self._add_q(q_object, self.used_aliases)
File "D:\Anaconda3\lib\site-packages\django\db\models\sql\query.py", line 1377, in _add_q
child_clause, needed_inner = self.build_filter(
File "D:\Anaconda3\lib\site-packages\django\db\models\sql\query.py", line 1319, in build_filter
condition = self.build_lookup(lookups, col, value)
File "D:\Anaconda3\lib\site-packages\django\db\models\sql\query.py", line 1165, in build_lookup
lookup = lookup_class(lhs, rhs)
File "D:\Anaconda3\lib\site-packages\django\db\models\lookups.py", line 24, in __init__
self.rhs = self.get_prep_lookup()
File "D:\Anaconda3\lib\site-packages\django\db\models\lookups.py", line 76, in get_prep_lookup
return self.lhs.output_field.get_prep_value(self.rhs)
File "D:\Anaconda3\lib\site-packages\django\db\models\fields\__init__.py", line 1776, in get_prep_value
raise e.__class__(
ValueError: Field 'id' expected a number but got 'sessionid'.
相关代码
def place_order(request):
"""提交订单页面"""
# 读取购物车商品列表
cart_goods_list = []
# 商品总数
cart_goods_count = 0
# 商品总价
cart_goods_money = 0
for goods_id, goods_num in request.COOKIES.items():
# 我们的商品ID都为数字, 非数字的cookie过滤掉
if not goods_id.isdigit():
continue
cart_goods = GoodsInfo.objects.get(id=goods_id)
cart_goods.goods_num = goods_num
cart_goods.total_money = int(goods_num) * cart_goods.goods_price
cart_goods_list.append(cart_goods)
# 累加购物车商品总数
cart_goods_count = cart_goods_count + int(goods_num)
# 累计商品总价
cart_goods_money += int(goods_num) * cart_goods.goods_price
return render(request, 'place_order.html', {'cart_goods_list': cart_goods_list,
'cart_goods_count': cart_goods_count,
'cart_goods_money': cart_goods_money})
def submit_order(request):
"""保存订单"""
# 获得订单信息
addr = request.POST.get('addr', '')
recv = request.POST.get('recv', '')
tele = request.POST.get('tele', '')
extra = request.POST.get('extra', '')
# 保存订单信息
order_info = OrderInfo()
order_info.order_addr = addr
order_info.order_tele = tele
order_info.order_recv = recv
order_info.order_extra = extra
# 生成订单编号
order_info.order_id = str(int(time.time() * 1000)) + str(int(time.time() * 1000000))
order_info.save()
# 跳转页面
response = redirect('/cart/submit_success/?id=%s' % order_info.order_id)
# 保存订单商品信息
for goods_id, goods_num in request.COOKIES.items():
if goods_id == 'csrftoken':
continue
# 查询商品信息
cart_goods = GoodsInfo.objects.get(id=goods_id)
# 创建订单商品信息
order_goods = OrderGoods()
order_goods.goods_info = cart_goods
order_goods.goods_order = order_info
order_goods.goods_num = goods_num
order_goods.save()
# 删除购物车信息
response.delete_cookie(goods_id)
return response
求求大佬帮我看一下，非常感谢
