How to tell flask-admin to use alternative representation when displaying Foreign Key Fields?

问题

How can I tell flask-admin to use an alternative representation for Foreign Key Fields such as the following in this RoleUser link table?

回答1:

The simplest way is to add __str__ methods (__unicode__ for Python 2) to your models.

class Role(db.Model):
    # snip
    def __str__(self):
        return self.name

来源：https://stackoverflow.com/questions/34702734/how-to-tell-flask-admin-to-use-alternative-representation-when-displaying-foreig