models.py 文件源码

def default(self, o):
        if isinstance(o, datetime.date):
            return o.strftime('%Y-%m-%d')
        elif isinstance(o, datetime.datetime):
            return o.strftime('%Y-%m-%d %H:%M:%S')
        elif isinstance(o, decimal.Decimal):
            return str(o)
        elif isinstance(o, ModelBase):
            return '%s.%s' % (o._meta.app_label, o._meta.model_name)
        else:
            try:
                return super(JSONEncoder, self).default(o)
            except Exception:
                return smart_unicode(o)