在Django中添加路径创建多视图时遭遇ERR_CONNECTION_REFUSED错误

Hey there, let's break down why you're hitting that connection refused error after adding more views and path-based URLs. I spotted a few key issues to fix first:

1. Critical Variable Name Mismatch in the results View #

Looking at your views.py, the results function has a straightforward but impactful mistake—you're using question_id in the string formatting, but the function's parameter is named film_id. This will throw a NameError when the view runs, which can crash the development server entirely, leading to the connection refused error.

Fix the results view like this:

def results(request, film_id):
    response = "You're looking at the results of film %s."
    return HttpResponse(response % film_id)  # Changed question_id to film_id

2. Verify Root URL Configuration #

Make sure your project's main urls.py (not the films/urls.py file) includes the films app's URLs. If you haven't added this line, Django won't route requests to your app's new paths, and in some cases, this can cause server instability.

Add this to your project's root urls.py:

from django.contrib import admin
from django.urls import path, include

urlpatterns = [
    path('admin/', admin.site.urls),
    path('films/', include('films.urls')),  # This line is crucial!
]

3. Restart the Django Development Server #

After making changes to views.py or urls.py, the development server doesn't always auto-reload reliably (especially if you've made multiple quick changes). Stop the server with Ctrl+C and restart it using python manage.py runserver to ensure all your updates are applied.

4. Double-Check Path Syntax #

Your use of path() instead of the older url() regex style is totally valid for Django 2.0+ (which the official tutorial uses). Your films/urls.py path definitions look correct once the view error is fixed, so no changes needed here.

Testing After Fixes #

Once you've made these adjustments and restarted the server:

• Visit http://localhost:8000/films/ to confirm the index still loads
• Try http://localhost:8000/films/5/, http://localhost:8000/films/5/results/, and http://localhost:8000/films/5/vote/—all should load without connection errors now.

内容的提问来源于stack exchange，提问作者Dan