Place one add-on or button on either side of an input. You may also place one on both sides of an input. Remember to place<label>s outside the input group. <divclass="input-group mb-3"><divclass="input-group-prepend"><spanclass="input-group-text"id="basic-addon1">@</span></...
2、包装(Wrapping) <divclass="input-group flex-nowrap"><spanclass="input-group-text"id="addon-wrapping">@</span><inputtype="text"class="form-control"placeholder="Username"aria-label="Username"aria-describedby="addon-wrapping"></div> 3、大小(Sizing) <divclass="input-group input-group-sm m...
--按钮式下拉菜单 Button-dropdowns start--><h3id="Button-dropdowns">按钮式下拉菜单 Button-dropdowns</h3><hr><divclass="container"><h5>单按钮下拉菜单</h5><divclass="btn-group"><buttontype="button"class="btn btn-default dropdown-toggle"data-toggle="dropdown"aria-expanded="false">Action...
The.input-groupclass is a container to enhance an input by adding an icon, text or a button in front or behind the input field as a "help text". Use.input-group-prependto add the help text in front of the input, and.input-group-appendto add it behind the input. ...
菜单也可以往上拉伸的,只需要简单地向父 .btn-group 容器添加 .dropup 即可。实例 <div class="row" style="margin-left:50px; margin-top:200px"> <div class="btn-group dropup"> <button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown">默认<span class="caret">...
<div class="btn-group" role="group" aria-label="First group"> <button type="button" class="btn btn-default">1</button> <button type="button" class="btn btn-default">2</button> <button type="button" class="btn btn-default">3</button> ...
1.Dropdown下拉按钮 ⑴ 基本样式 外层容器div,class="dropdown" button元素,在一般按钮的基础上增加“.dropdown-toggle”类和 data-toggle="dropdown"属性、“id” “.btn-secondary”样式也可以改换成其他类,如“.btn-success”…… 下拉菜单,class="dropdown-menu" ...
Net</a></li> <li class="dropdown"> <a class="dropdown-toggle" data-toggle="dropdown"...
Bootstrap 中的某些组件是使用重叠元素构建的,以便在不修改border属性的情况下能够防止出现双重边框。例如,按钮组(button group)、输入框组(input group)和分页(pagination)组件。 这些组件共享同一个z-index体系,该体系由从0到3的值构成。 0是默认值(或初始值),1是赋予:hover,2是赋予:active/.active,3是赋予:...
For button groups, this would be role="group", while toolbars should have a role="toolbar". One exception are groups which only contain a single control (for instance the justified button groups with <button> elements) or a dropdown. In addition, groups and toolbars should be given an...