Question

my forms.py

from django import forms
from django.forms import Form
from .models import LedON, Device

class DownlinkForm(forms.Form):
    Device_id = forms.ModelChoiceField(queryset = Device.objects.all() )
    Time_intervall = forms.IntegerField()
    Led1 = forms.ModelsChoiceField(queryset = LedON.objects.all() )

my models.py

from django.db import models
from app.models import *
from django import forms
from django.forms import ModelChoiceField

class LedON(models.Model):
    Ledon = models.CharField(max_length = 50)
    class Meta:
        verbose_name = 'ledon'

    def __str__(self):
        return "%s" % (self.Ledon)

class DevEUIModelChoiceField(ModelChoiceField):
    def label_from_instance(self, obj):
        return obj.DevEUI

class LedonModelChoiceField(ModelChoiceField):
    def label_from_instance(self, obj):
        return obj.Ledon

Device对象正在运行，并显示ModelChoiceField。但我不明白为什么Ledon没有工作。

Answer 1

如果这是您的实际代码，那么您有一个拼写错误，它是ModelChoiceField，但您有ModelsChoiceField。

Django异常值：＆＃39;模块＆＃39;对象没有属性＆＃39; ModelsChoiceField＆＃39;

1 个答案: