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目前,我在我的 models.py 中设置了以下模型结构(精简):

class Admin(models.Model):
    admin_name = models.CharField(unique = True, blank = False, null = False, max_length = 128, verbose_name = u'admin full name')

    def __unicode__(self):
        return self.admin_name
    class Meta:
        ordering = ('id',)
        verbose_name = u'Admin Info'

class Project(models.Model):
    client = models.ForeignKey(Client, verbose_name = u'Client')
    description = models.ForeignKey(Description, verbose_name = u'project description')
    admins = models.ManyToManyField(Admin, verbose_name = u'Administrators', through = 'Admin_Payment')

class Admin_Payment(models.Model):
    admin = models.ForeignKey(Admin, verbose_name = u'Administrator')
    project = models.ForeignKey(Project, verbose_name = u'project')
    agreed_payment = models.DecimalField(max_digits = 16, decimal_places = 2, blank = True, default = 0)

如您所见,我使用 Admin_Payment 作为中间表在我的项目和管理员之间设置了多对多关系。

我的问题是如何使我的 Project 类可以使用协定的付款字段(在 Admin_Payment 类中)?

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1 回答 1

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Djangoadmin_payment_set在 Project 对象中创建一个属性,即“相关管理器”。访问其对象,例如使用“all()”。例如

p = Project.objects.get(pk=1)
paysets = p.admin_payment_set.all()
paysets[0].agreed_payment
于 2011-01-06T18:41:01.317 回答