python - 如何将 attr 传递给 forms.CharField

Question

我想将一些 Html 属性传递给 crispy 生成的表单域

我尝试在 django 2.2.3 中使用这段代码

class AddForm(forms.Form):
    todo = forms.CharField(max_length=128, attrs={'placeholder':'What do you want to do?'})

但是我得到了一个错误

    from .forms import AddForm
  File "C:\Users\HP\django_project\todo\forms.py", line 4, in <module>
    class AddForm(forms.Form):
  File "C:\Users\HP\django_project\todo\forms.py", line 5, in AddForm
    todo = forms.CharField(max_length=128, attrs={'placeholder':'What do you want to do?'})
  File "C:\Users\HP\AppData\Local\Programs\Python\Python37\lib\site-packages\django\forms\fields.py", line 214, in __init__
    super().__init__(**kwargs)
TypeError: __init__() got an unexpected keyword argument 'attrs'

Answer 1

attrs 是小部件的参数，而不是字段。

todo = forms.CharField(max_length=128, widget=forms.TextInput(attrs={'placeholder':'What do you want to do?'}))