Django模型层的QuerySet对象

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def index(request):           # 查询数据，返回QuerySet对象books     books=Book.objects.filter(id__gte=1)           # 打印books, 是一个QuerySet对象     # <QuerySet [<Book: Book object (1)>, <Book: Book object (2)>, <Book: Book object (3)>, <Book: Book object (4)>]>     print(books)           # 打印type(books)     # <class 'django.db.models.query.QuerySet'>     print(type(books))           return HttpResponse("success")