Django: ModelForm中Meta的fields成员有什么作用?，djangomodelform,看了源代码和官方文档,但

Django: ModelForm中Meta的fields成员有什么作用?，djangomodelform,看了源代码和官方文档,但

看了源代码和官方文档,但还是不明白fields到底改变了什么?

django/forms/models.py:

'fields' is an optional list of field names. If provided, only the named fields will be included in the returned dict.

class MyForm(forms.ModelForm):    realname = forms.CharField()    phone = forms.CharField()    class Meta:        model = MyUser        fields = ('phone',)form = MyForm()# 照样会输出realnameform.as_table()

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