如何在烧瓶 wtf 中创建下拉字段

Question

i want to create drop down menu's using flask wtforms. i have found drop down's in bootstrap 4 but i am unable to use it. i want to make it using flask wtf. here's what i want to achieve:

 <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" rel="stylesheet"/> <form class="" action="index.html" method="post"> <div class="form-group"> <label for="exampleFormControlSelect1">Example select</label> <select class="form-control" id="exampleFormControlSelect1"> <option>1</option> <option>2</option> <option>3</option> <option>4</option> <option>5</option> </select> </div> </form>

Answer 1

wtforms offers the SelectField

see docs https://wtforms.readthedocs.io/en/2.3.x/fields/#wtforms.fields.SelectField

Example (from the docs)

class PastebinEntry(Form):
    language = SelectField(u'Programming Language', choices=[('cpp', 'C++'), ('py', 'Python'), ('text', 'Plain Text')])