位于/cars/的NoReverseMatch

# urls.py
from django.urls import path
from . import views

urlpatterns = [
    path('cars/<int:car_id>/', views.car_detail, name='car_detail'),
]

# views.py
from django.urls import reverse

def some_view(request):
    car_id = 1
    url = reverse('car_detail', args=[car_id])
    return redirect(url)

<a href="{% url 'car_detail' car.id %}">View Car</a>

# 在项目的根 urls.py 中
app_name = 'myapp'

urlpatterns = [
    path('cars/', include('cars.urls', namespace='cars')),
]

# cars/urls.py
from django.urls import path
from . import views

app_name = 'cars'

urlpatterns = [
    path('<int:car_id>/', views.car_detail, name='car_detail'),
]

url = reverse('cars:car_detail', args=[car_id])

# cars/views.py
from django.shortcuts import render

def car_detail(request, car_id):
    # 假设这里有一些逻辑来获取汽车详情
    car = get_object_or_404(Car, id=car_id)
    return render(request, 'cars/car_detail.html', {'car': car})

<!-- cars/templates/cars/car_detail.html -->
<h1>{{ car.name }}</h1>
<p>{{ car.description }}</p>
<a href="{% url 'cars:car_detail' car.id %}">View Details</a>