Both previous answers lack reading the Bootstrap docs. You are not required to use .form-horizontal so don't because this is not a .form-horizontal ... ... <看更多>

這邊 form-group 裡面一樣是包裹住 select 元件，所以，該 select 的class要加入 form-control ， ... <看更多>

Is it <FormGroup/> or <Form. ... react-bootstrap/src/Form.js ... I inherited a project with an older version of react-bootstrap and couldn't ... ... <看更多>

Learn about Boostrap 4 from the tutorial series - Bootstrap 4 tutorial for beginners Learn how to use Form ... ... <看更多>