覆盖 ModelForm 中的初始值 [英] Overriding initial value in ModelForm

问题描述

在我的 Django (1.2) 项目中，我想在模型表单中预填充一个字段，但我的新值被忽略.这是片段:

in my Django (1.2) project, I want to prepopulate a field in a modelform, but my new value is ignored. This is the snippet:

class ArtefactForm(ModelForm):
    material = CharField(widget=AutoCompleteWidget('material', force_selection=False))

    def __init__(self, *args, **kwargs):
        super(ArtefactForm, self).__init__(*args, **kwargs)
        self.fields['material'].initial = 'Test'

我也尝试过 self.base_fields，但没有效果:总是在表单中显示数据库值.有什么想法吗?

I also tried with self.base_fields, but no effect: there is always the database-value displaying in the form. Any ideas?

推荐答案

试试这个:

def __init__(self, *args, **kwargs):
    initial = kwargs.get('initial', {})
    initial['material'] = 'Test'
    kwargs['initial'] = initial
    super(ArtefactForm, self).__init__(*args, **kwargs)

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