Open guistory opened 3 years ago
first show my models:
> class District(models.Model): > code = models.CharField(verbose_name='乡镇编码',max_length=100,unique = True) > name = models.CharField(verbose_name='乡镇名称',max_length=100) > class Meta: > verbose_name = '乡镇信息' > verbose_name_plural = verbose_name > def __str__(self): > return self.name > > class Villages(models.Model): > district = models.ForeignKey(District,verbose_name='所属乡镇',on_delete=models.PROTECT,blank=True,null=True) > code = models.CharField(verbose_name='行政村编码',max_length=100,unique = True) > name = models.CharField(verbose_name='行政村名称',max_length=100) > class Meta: > verbose_name = '行政村信息' > verbose_name_plural = verbose_name > def __str__(self): > return self.name > > class baseinfo(models.Model): > district = models.ForeignKey(District,verbose_name='乡/镇',blank=True,null=True,on_delete=models.PROTECT,) > villages = ChainedForeignKey(Villages,verbose_name='街/村',chained_field="district",chained_model_field="district",blank=True,null=True)
when i use django_export_import lib import a baseinfos show me: must be a instance of villages
must be a instance of villages
help me , my english is very poor,hope you all understand my means. thank you much.
first show my models:
when i use django_export_import lib import a baseinfos show me:
must be a instance of villages
help me , my english is very poor,hope you all understand my means. thank you much.