如何在Django中将不可编辑字段添加到自定义管理表单中 [英] How do you add a non-editable field to a custom admin form in Django

问题描述

我正在尝试向自定义管理表单中添加 editable = False 字段，但出现错误：

I am trying to add an editable=False field to a custom admin form, but I am getting an error:

django.core.exceptions.FieldError: 'help_num' cannot be specified for 
Investigation model form as it is a non-editable field

这是真的，在我的模型中，我将其设置为：

This is true, in my model I have it set as such:

models.py

models.py

help_num = models.CharField(max_length=17, unique=True, default=increment_helpdesk_number, editable=False)

forms.py

class HelpDeskModelForm(forms.ModelForm):

    class Meta:
      model = HelpDesk
      fields = [
          "help_num",
          "help_types",
           ...
          "help_summary"
          ]

admin.py

class HelpDeskModelAdmin(admin.ModelAdmin):
    readonly_fields=('help_num',)
    form = HelpDeskModelForm

我在admin.py中添加了只读，但是仍然出现错误。我在做什么错了？

I added the readonly to admin.py, but am still getting the error. What am I doing wrong?

推荐答案

您需要从您的班级表格字段列表中删除不可编辑的字段：

You need to remove the non-editable field from your class form list of fields :

class HelpDeskModelForm(forms.ModelForm):

    class Meta:
      model = HelpDesk
      fields = [
          #"help_num",
          "help_types",
           ...
          "help_summary"
          ]

并像以前一样在ModelAdmin中保留只读字段：

And keep the read-only fields in the ModelAdmin like you did :

class HelpDeskModelAdmin(admin.ModelAdmin):
    readonly_fields=('help_num',)
    form = HelpDeskModelForm

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