我有一个表格:

class ReferencesForm(forms.ModelForm):

    error_css_class = 'error'   #set some css when an error
    contactName = forms.CharField(label='Contact Name:')
    company = forms.CharField(label='Company:')
    address = forms.CharField(label='Address:')
    telephoneNumber = forms.CharField(label='Telephone Number:')

    class Meta:
        fields = '__all__'
        model = References

    def __init__(self, *arg, **kwarg):
        super(ReferencesForm, self).__init__(*arg, **kwarg)
        self.empty_permitted = True
    def clean(self):
        """ Custom validation for fields
        """
        cleaned_data = super(ReferencesForm, self).clean()

        return self.cleaned_data

并在我的 View 文件中构建它,如下所示:
ReferencesInlineFormSet = inlineformset_factory(
        Applicant, References, form=ReferencesForm, extra=1, can_delete=False)
...
if request.method == 'POST':
    references_formset = ReferencesInlineFormSet(
        request.POST, instance=applicant)

    if (references_formset.is_valid()):
        references_formset.instance['address'] = "test";
        references_formset.save();

我认为申请人模型在这里并不重要,但如有必要,我可以稍后添加。

我想将一些地址字段(addr1、addr2、town 等)合并到一个名为“address”的数据库字段中,并且正在考虑在 View 文件中这样做。

我在这里尝试了一个带有“test”的简单分配,但收到了错误:
'Applicant' object does not support item assignment
references_formset.instance['address'] = "test";

最佳答案

你可以使用这样的东西:

if form.is_valid():
    obj = form.save(commit=False)
    obj.address = "test"
    obj.save()

关于django - 保存前更改表单字段值,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/29416478/

10-12 00:24
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