我有以下观点:
def default_detail (request, equipment_id):
equipment = Equipment.objects.get(id = equipment_id)
context = {'equipment' : equipment}
return render(request, 'calbase/default_detail.html', context)
def default_add_cal (request, equipment_id):
equipment = get_object_or_404(Equipment, id = equipment_id)
EquipmentInlineFormSet = inlineformset_factory(Equipment, Calibration, fields = ('cal_by', 'cal_date', 'notes'), extra = 1, )
if request.method == "POST":
if 'calibration' in request.POST:
formset = EquipmentInlineFormSet(request.POST, request.FILES, instance=equipment)
if formset.is_valid():
return HttpResponseRedirect(reverse('calbase:default_detail', args=(equipment_id)))
else:
formset = EquipmentInlineFormSet(instance=equipment)
return render(request, 'calbase/default_detail_cal.html', {'formset' : formset, 'equipment' : equipment})
网址是这样的:
urlpatterns = [
url(r'^$', views.default, name = 'default'),
url(r'^default/(?P<equipment_id>[0-9]+)/$', views.default_detail, name = 'default_detail'),
url(r'^default/new/$', views.default_new, name = 'default_new'),
url(r'^default/(?P<equipment_id>[0-9]+)/cal/$', views.default_add_cal, name = 'default_add_cal'),
]
和default_add_cal的模板,default_detail_cal.html就像:
{% block content %}
<form method="POST" action = "{% url 'calbase:default_add_cal' equipment.id %}">{% csrf_token %}
{{ formset }}
<button type="submit" class="save btn btn-default" name = "calibration">Save</button>
</form>
<a href="{% url 'calbase:default' %}">Back?</a>
{% endblock %}
因此校准是设备的外键:设备可以有多个校准,在这里我尝试使用inlineformset让用户为设备添加校准。问题是我得到了这个:
/ calbase / default / 41 / cal /的NoReverseMatch 反向'default_detail',参数'('4','1')'和关键字参数'{}'未找到。尝试了1种模式:['calbase / default /(?P [0-9] +)/ $']
例如,当我做
时,设备id = 41会让我感到困惑return HttpResponseRedirect(reverse('calbase:default_detail', args=(equipment_id)))
实际传递的参数是'('4','1')'而不是41.这怎么可能?我该怎么办呢?感谢
答案 0 :(得分:1)
您应该将参数作为元组传递。这将使args
成为可迭代的equipment_id
是其中一个参数:
args=(equipment_id,)
# ^
这些分组括号不会使参数成为元组:
>>> args = (42)
>>> type(args)
<class 'int'>
>>>
>>> args = (42,)
>>> type(args)
<class 'tuple'>
即使没有parens也能工作:
>>> args = 42,
>>> type(args)
<class 'tuple'>