model
model._meta.model_namemodel._meta.app_labelmodel._meta.get_field("字段")
??-------- ??Book： ??list_filter=["state","publish","authors"] ?????每一个字段相关信息： ???????????字段字符串 ?： "state" ???????字段对象 ???： Book._meta.get_field("state") ???????字段关联数据： ???????????????if---choice类型字段: ????????????????????字段对象.choices ???????????????????????????????????if---ForeignKey,ManytoMany: ????????????????????字段对象.rel.to.objects.all() ??????????字段信息封装成类： ????????class FilterField(object): ???????????def __init__(self,filter_field_name,filter_field_obj): ???????????????self.filter_field_name=filter_field_name ???????????????self.filter_field_obj=filter_field_obj ???????????????????????????def get_data(self): ???????????????if isinstance(self.filter_field_obj,ForeignKey) or isinstance(self.filter_field_obj,ManyToManyField): ???????????????????return self.filter_field_obj.rel.to.objects.all() ???????????????elif self.filter_field_obj.choices: ???????????????????return self.filter_field_obj.choices ???????????????else: ???????????????????pass ???????????????????????state=FilterField("state",state_obj)