我有一堆属于小组的电台。每个站可以分成多个组。这是(简化)模式:
class Station(models.Model):
name = models.CharField(max_length=4, blank=False, primary_key=True)
def __str__(self):
return "Station " + self.name
class StationGroup(models.Model):
name = models.CharField(max_length=100, blank=False, p