Django投票应用出现TemplateDoesNotExist错误，请求技术支持

Let's work through this problem step by step—there are a few key issues with your template structure, view code, and template syntax that are causing the error.

1. Fix the Template Directory Structure (Root Cause of TemplateDoesNotExist) #

Django follows a specific convention for template organization to automatically locate your files. Your current structure is non-standard:

polls/
    template/
        template/
            polls/
                template.html

Correct the Structure #

Restructure your templates to match Django's expected layout (this will let Django find your template without extra configuration):

polls/
    templates/  <!-- Note the plural "templates" -->
        polls/  <!-- Subdirectory matching your app name -->
            template.html

2. Update the View's Template Path #

Your view currently references "polls/template.html"—this path is correct for the standard structure above. If you can't adjust the directory structure right now, you'd need to use the full relative path to your template:

return render(request, "template/template/polls/template.html", context)

But using the standard structure is strongly recommended to avoid future issues.

3. Verify Django's Template Settings #

Double-check your settings.py to ensure it's configured to find app-specific templates:

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [],  # Leave empty unless you need global templates
        'APP_DIRS': True,  # Critical: tells Django to look in app-specific templates folders
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]

# Also make sure your polls app is in INSTALLED_APPS
INSTALLED_APPS = [
    # ... default Django apps
    'polls',
]

4. Fix Template Variable Mistakes (Even if Template Loads, These Will Break It) #

Your template has mismatched variable names and invalid syntax that will cause errors once the template loads:

Corrected Template Code #

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Polls Index</title>
</head>
<body>
{% if latest_questions %} <!-- Matches the context variable from your view -->
    <ul>
        {% for question in latest_questions %} <!-- Fixed variable name -->
           <li><a href='/polls/{{ question.id }}/'><b>{{ question.ques_text }}</b></a></li> <!-- Fixed question_id to question.id -->
        {% endfor %}
    </ul>
{% else %}
    <p>No polls are available right now.</p> <!-- Added fallback for empty polls -->
{% endif %}
</body>
</html>

5. Cleanup Unnecessary Changes #

You mentioned trying render_to_response, removing the request parameter, and adding paths to DIRS—these aren't needed if you follow the steps above. Revert those changes to keep your code standard.

内容的提问来源于stack exchange，提问作者LionCoder