这篇文章很有帮助:Dynamic choices WTForms Flask SelectField 但是,我的数据结构不同,因为有一个额外的嵌套层。 我想我是正确的,通过循环“Units”来找到id与我的变量相匹配的那个,并将那个“Unit”赋给一个变量。然后,我可以像上面链接的post一样,使用key value for loop (我不知道这叫什么,也不知道它是如何...
Flask WTForms SelectField分类: Flask WTForms SelectField可以根据选项的类型进行分类,包括但不限于以下几种类型: 单选:用户只能选择一个选项。 多选:用户可以选择多个选项。 下拉选择:用户通过下拉列表选择一个选项。 Flask WTForms SelectField优势: Flask WTForms SelectField具有以下优势: 灵活性:可以根据API数...
Select fields with dynamic choice values: classUserDetails(Form):group_id=SelectField(u'Group',coerce=int)defedit_user(request,id):user=User.query.get(id)form=UserDetails(request.POST,obj=user)form.group_id.choices=[(g.id,g.name)forginGroup.query.order_by('name')] ...
Select fields with dynamic choice values: classUserDetails(Form):group_id=SelectField(u'Group',coerce=int)defedit_user(request,id):user=User.query.get(id)form=UserDetails(request.POST,obj=user)form.group_id.choices=[(g.id,g.name)forginGroup.query.order_by('name')] ...
Select fields with dynamic choice values: classUserDetails(Form): group_id=SelectField(u'Group', coerce=int) defedit_user(request, id): user=User.query.get(id) form=UserDetails(request.POST,obj=user) form.group_id.choices= [(g.id, g.name) for g inGroup.query.order_by('name') class...
I've stumbled upon weird behavior where a SelectField could have the value "None" instead of one of the choices and I'm not the only one having encountered this. Example: import wtforms class MyForm(wtforms.Form): select_field = wtforms...
(flaskform): """ form for admin_role to add or edit a books """ book_name = stringfield ('book name', validators= [datarequired ()]) author = stringfield ('author', validators= [datarequired ()]) genre_name = selectfield (coerce=int, validators= [datarequired ()]) quantity = ...
from your_module import get_dynamic_options # 导入获取动态选项的函数 class MyForm(FlaskForm): my_select = SelectField('My Select') def __init__(self, *args, **kwargs): super(MyForm, self).__init__(*args, **kwargs) self.my_select.choices = get_dynamic_options() # 调用...
Select fields with dynamic choice values: classUserDetails(Form):group_id=SelectField(u'Group',coerce=int)defedit_user(request,id):user=User.query.get(id)form=UserDetails(request.POST,obj=user)form.group_id.choices=[(g.id,g.name)forginGroup.query.order_by('name')] ...
禁用WTForms SelectField中的某个选项 可以通过在表单类中的SelectField字段中设置choices参数来实现。choices参数接受一个由元组组成的列表,每个元组包含两个值,分别是选项的值和显示的文本。 要禁用某个选项,可以在choices参数中将该选项的元组中的第二个值设置为空字符串或者None。这样在渲染表单时,该选项将不会显示...