在Django中显示史诗和任务

# models.py
from django.db import models

class Epic(models.Model):
    title = models.CharField(max_length=200)
    description = models.TextField()

class Task(models.Model):
    epic = models.ForeignKey(Epic, related_name='tasks', on_delete=models.CASCADE)
    title = models.CharField(max_length=200)
    description = models.TextField()
    completed = models.BooleanField(default=False)

# views.py
from django.shortcuts import render, get_object_or_404
from .models import Epic, Task

def epic_detail(request, epic_id):
    epic = get_object_or_404(Epic, id=epic_id)
    tasks = epic.tasks.all()
    return render(request, 'epic_detail.html', {'epic': epic, 'tasks': tasks})

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

urlpatterns = [
    path('epic/<int:epic_id>/', views.epic_detail, name='epic_detail'),
]

<!-- epic_detail.html -->
<h1>{{ epic.title }}</h1>
<p>{{ epic.description }}</p>

<h2>Tasks</h2>
<ul>
{% for task in tasks %}
    <li>
        <strong>{{ task.title }}</strong>: {{ task.description }}
        {% if task.completed %}
            <span>Completed</span>
        {% endif %}
    </li>
{% endfor %}
</ul>