以Django形式增加CharField宽度 [英] Increase CharField Width in Django Forms

问题描述

我正在扩展 UserCreationForm 并添加

username=forms.CharField(max_length=30, widget=forms.TextInput(attrs={'size':'80'}))

，但用户名字段宽度不变。如何增加它？

but the username field width does not change. How can I increase it?

推荐答案

尝试在表单中指定小部件，如以下示例所示：

Try specifying widgets in the form, as in the following example:

models.py

class Photo(models.Model):
    caption = models.CharField(max_length=80)

admin.py

class PhotoAdmin(admin.ModelAdmin):
    list_display = (u'preview', u'caption')
    search_fields = (u'caption')
    form = forms.PhotoAdminForm

forms.py

class PhotoAdminForm(forms.ModelForm):
    class Meta:
        widgets = { 'caption': forms.TextInput(attrs={'size': 80})}

或者，您可以使用以下命令：

As alternative, you can use the following:

forms.py

class PhotoAdminForm(forms.ModelForm):
    caption = forms.CharField(widget=forms.TextInput(attrs={'size':80}))

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