Django，模型和表格：替换“此字段为必填”消息

class MyForm(forms.ModelForm):    class meta: model = MyModel    def __init__(self, *args, **kwargs):        super(MyForm, self).__init__(*args, **kwargs)        self.fields['name'].error_messages = {'required': 'custom required message'}        # if you want to do it to all of them        for field in self.fields.values(): field.error_messages = {'required':'The field {fieldname} is required'.format(     fieldname=field.label)}