往数据库批量插入试验数据

# 往数据库中添加数据
def books_bulk(request):
    book_list = []
    for i in range(100,150):
        book = Book(title="book_%s" % i, price=i * i, pub_date="2018-11-2", publish_id=random.randint(1, 2))
        book_list.append(book)
    print(book_list)
    Book.objects.bulk_create(book_list)
    w = Book.objects.all()

    for i in w:
        i.authors.add(random.randint(1, 2))
    return redirect("/books/")