Django many to many MultipleObjectsReturned

使用DJANGO按栏目名输出栏目文章列表，返回

百思不得其其解释，从下面的文章MANY TO MANY 查询中得到启发 view.py中启用model.py查询

单个查询用get 类别查询用filter

不然就会出现

get() returned more than one Article -- it returned 16!

下面是原文复制文档： Let’s say that I have a blog entry with multiple tags. The tags field is a ManyToMany in my model. I want to take all blog entries and for each entry I want to get all tags.

Basically I would do something like that

entries = Entries.objects.get(author=user) for entry in entries: tags[entry.pk] = entry.tags.all()

The problem is that I get the MultipleObjectsReturned error.

ANSWER: If you want to return all entries with author=user, then use filter()

entries = Entries.objects.filter(author=user)

At the moment, you are using get(), w**hich expects to return one Entries object. As there is more that one Entries with author=user**, you get the Entries.MultipleObjectsReturned error.

Note, with Django, the convention is to use the singular name Entry for your model, instead of the plural Entries.