Django:在重写表单字段后，将筛选器_水平消失

我在模型中有许多字段：

models.py

pages = models.ManyToManyField(Page, verbose_name='Pages', blank=True)

filter_horizontal = ['pages',]

class BannerAdminForm(forms.ModelForm):
    pages = forms.ModelMultipleChoiceField(queryset=Page.objects.filter(publisher_is_draft=0), label='Pages')

    class Meta:
        model = Banners

class BannersAdmin(admin.ModelAdmin):
    form = BannerAdminForm
    filter_horizontal = ['pages',]

对于管理界面水平过滤器工作正常：

admin.py

pages = models.ManyToManyField(Page, verbose_name='Pages', blank=True)

filter_horizontal = ['pages',]

class BannerAdminForm(forms.ModelForm):
    pages = forms.ModelMultipleChoiceField(queryset=Page.objects.filter(publisher_is_draft=0), label='Pages')

    class Meta:
        model = Banners

class BannersAdmin(admin.ModelAdmin):
    form = BannerAdminForm
    filter_horizontal = ['pages',]

但当我使用forms.Modelform（用于更改queryset）覆盖此字段时，在界面中，它开始显示为一个简单的

字段：

forms.py

pages = models.ManyToManyField(Page, verbose_name='Pages', blank=True)

filter_horizontal = ['pages',]

class BannerAdminForm(forms.ModelForm):
    pages = forms.ModelMultipleChoiceField(queryset=Page.objects.filter(publisher_is_draft=0), label='Pages')

    class Meta:
        model = Banners

class BannersAdmin(admin.ModelAdmin):
    form = BannerAdminForm
    filter_horizontal = ['pages',]

admin.py

pages = models.ManyToManyField(Page, verbose_name='Pages', blank=True)

filter_horizontal = ['pages',]

class BannerAdminForm(forms.ModelForm):
    pages = forms.ModelMultipleChoiceField(queryset=Page.objects.filter(publisher_is_draft=0), label='Pages')

    class Meta:
        model = Banners

class BannersAdmin(admin.ModelAdmin):
    form = BannerAdminForm
    filter_horizontal = ['pages',]

---

这个问题有什么解决办法吗？我查找了一些适用于modelmultipleechoicefield的特殊小部件，但没有找到任何东西。

请看，您可以将字段的小部件指定为

FilteredSelectMultiple

请看，您可以将字段的小部件指定为

FilteredSelectMultiple

这并不能解决实际问题，但是设置查询集的另一种方法：

class BannerAdminForm(forms.ModelForm):
    def __init__(self, *args, **kwargs):
         super(BannerAdminForm, self).__init__(*args, **kwargs)
         self.fields['pages'].queryset = Page.objects.filter(publisher_is_draft=0)

    class Meta:
        model = Banners

---

这并没有解决实际问题，而是设置查询集的另一种方法：

class BannerAdminForm(forms.ModelForm):
    def __init__(self, *args, **kwargs):
         super(BannerAdminForm, self).__init__(*args, **kwargs)
         self.fields['pages'].queryset = Page.objects.filter(publisher_is_draft=0)

    class Meta:
        model = Banners

---

陛下要写很多代码。。。但我认为这种改变可能会很有效。。。要写很多代码。。。但我认为这种改变也可能奏效