通过Django模板文件反向查询

from django.db import models

class Author(models.Model):
    name = models.CharField(max_length=100)

class Book(models.Model):
    title = models.CharField(max_length=100)
    author = models.ForeignKey(Author, on_delete=models.CASCADE)

from django.shortcuts import render
from .models import Author

def author_books(request, author_id):
    author = Author.objects.get(id=author_id)
    books = author.book_set.all()
    return render(request, 'author_books.html', {'author': author, 'books': books})

<h1>{{ author.name }}</h1>
<ul>
    {% for book in books %}
    <li>{{ book.title }}</li>
    {% endfor %}
</ul>

from django.urls import path
from .views import author_books

urlpatterns = [
    path('author/<int:author_id>/', author_books, name='author_books'),
]