Set WTForms submit button to icon
问题 I want a submit button that displays an icon rather than text. The button is a field in a WTForms form. I am using Bootstrap and Open Iconic for styling and icons. How do I set the submit field to display an icon? class MyForm(Form): submit = SubmitField('') {{ form.submit }} This post refers to an icon method, but I can't find any more information on it. 回答1: The example you linked is using macros provided by Flask-Bootstrap. The macros make it easy to construct forms with Bootstrap, but