在Django中自动填充两个外键字段
我的models.py文件中有这些模型在Django中自动填充两个外键字段,django,django-models,django-forms,formset,Django,Django Models,Django Forms,Formset,我的models.py文件中有这些模型 class Subscriber(models.Model): subscriber_id = models.IntegerField(null=True) subscriber_name = models.CharField(max_length=200, null=True) def __str__(self): return self.subscriber_name class Employee(models.M
class Subscriber(models.Model):
subscriber_id = models.IntegerField(null=True)
subscriber_name = models.CharField(max_length=200, null=True)
def __str__(self): return self.subscriber_name
class Employee(models.Model):
employee_id = models.IntegerField(null=True)
employee_name = models.CharField(max_length=200, null=True)
employee_email = models.CharField(max_length=200, null=True)
user = models.OneToOneField(User, null=True, on_delete=models.CASCADE)
subscriber_id = models.ForeignKey(Subscriber, null=True, on_delete= models.SET_NULL)
def __str__(self): return self.employee_name
class Tag(models.Model):
tag_id = models.IntegerField(null=True)
asset_name = models.CharField(max_length=200, null=True)
STATUS = (('Available','Available'),('Taken','Taken'),)
asset_status = models.CharField(max_length=200, null=True, choices=STATUS)
subscriber_id = models.ForeignKey(Subscriber, null=True, on_delete= models.SET_NULL)
rfid_id = models.ManyToManyField(RFID)
asset_location = models.CharField(max_length=200, null=True)
def __str__(self): return self.asset_name
class Borrowing(models.Model):
start_date = models.DateField(auto_now_add=True, null=True)
end_date = models.DateField(null=True)
subscriber_id = models.ForeignKey(Subscriber, null=True, on_delete= models.SET_NULL)
employee_id = models.ForeignKey(Employee, null=True, on_delete= models.SET_NULL)
tag_id = models.ForeignKey(Tag, null=True, on_delete= models.SET_NULL)
employee_id_scanned = models.IntegerField(null=True,default=0)
asset_id_scanned = models.IntegerField(null=True,default=0)
reader_code = models.CharField(max_length=200, null=True, default=0)
def __str__(self):
return str(self.end_date)
我的views.py中有以下代码:
def createBorrowing(request, pk):
employee = Employee.objects.get(id=pk)
BorrowingFormSet = inlineformset_factory(Employee, Borrowing, fields=('end_date','tag_id'))
formset = BorrowingFormSet(queryset=Borrowing.objects.none(), instance=employee)
if request.method == 'POST':
formset = BorrowingFormSet(request.POST, instance=employee)
if formset.is_valid():
formset.save()
return redirect('/login')
context = {'formset':formset}
return render(request, 'assetstracking/createBorrowing.html', context)
如您所见,我有一个表单,它连接到借用模型,因此在这个表单中,有两个外键字段,employee_id和subscriber_id。我成功地使用inlineformset_factory自动填充employee_id键,如views.py中的createBorrowing()函数所示,但是我找不到一种方法来自动填充另一个外键,订户id
有什么方法可以做到这一点吗?我不太确定你在问什么,但我想蒂尔会帮你的 是的,您可以将值从表单传递到视图,然后使用这些值查找整个查询
val=Models.objects.get(name=name)
然后您可以保存它。显示一些代码。。展示你的尝试。