我正在尝试向editable=False
自定义管理表单中添加一个字段,但出现错误:
django.core.exceptions.FieldError: 'help_num' cannot be specified for
Investigation model form as it is a non-editable field
的确如此,在我的模型中我将其设置为:
models.py
help_num = models.CharField(max_length=17, unique=True, default=increment_helpdesk_number, editable=False)
表格
class HelpDeskModelForm(forms.ModelForm):
class Meta:
model = HelpDesk
fields = [
"help_num",
"help_types",
...
"help_summary"
]
管理员
class HelpDeskModelAdmin(admin.ModelAdmin):
readonly_fields=('help_num',)
form = HelpDeskModelForm
我将readonly
admin.py添加了,但是仍然出现错误。我究竟做错了什么?
您需要从课程表的字段列表中删除不可编辑的字段:
class HelpDeskModelForm(forms.ModelForm):
class Meta:
model = HelpDesk
fields = [
#"help_num",
"help_types",
...
"help_summary"
]
像以前一样,将只读字段保留在ModelAdmin中:
class HelpDeskModelAdmin(admin.ModelAdmin):
readonly_fields=('help_num',)
form = HelpDeskModelForm
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我来说两句