lt;div class="row">
<div class="col-md-3 bodercss">3</div>
<div class="col-md-3 bodercss">6</div>
<div class="col-md-3 bodercss">9</div>
<div class="col-md-3 bodercss">12</div>
</div>
<div class="row">
<div class="col-md-4 bodercss">4</div>
<div class="col-md-4 bodercss">4</div>
<div class="col-md-4 bodercss">4</div>
</div>
<div class="row">
<div class="col-md-4 bodercss">4</div>
<div class="col-md-8 bodercss">8</div>
</div>
<div class="row">
<div class="col-md-6 bodercss">6</div>
<div class="col-md-6 bodercss">12</div>
</div>
<div class="row">
<div class="col-md-12 bodercss">12</div>
</div>
</div>
<!--表单控件-->
<div class="container">
<form>
<div class="form-group">
<label for="text">文本:</label>
<input type="text" class="form-control" id="text" placeholder="文本">
</div>
<div class="form-group">
<label for="number">数字:</label>
<input type="number" class="form-control" id="number" placeholder="数字">
</div>
<div class="form-group">
<label for="datetime">时间:</label>
<input type="datetime" class="form-control" id="datetime" placeholder="时间">
</div>
<div class="form-group">
<label for="tel">电话:</label>
<input type="tel" class="form-control" id="tel" placeholder="电话">
</div>
<div class="form-group">
<label for="email">邮箱:</label>
<input type="email" class="form-control" id="email" placeholder="邮箱">
</div>
<div class="form-group">
<label for="password">密码</label>
<input type="password" class="form-control" id="password" placeholder="密码">
</div>
<div class="form-group">
<label for="exampleInputFile">上传文件</label>
<input type="file" id="exampleInputFile">
<p class="help-block">上传文件</p>
</div>
<div class="checkbox">
<label>
<input type="checkbox" id="blankCheckbox" value="option1" />多选A
</label>
<label>
<input type="checkbox" id="blankCheckbox" value="option1"/>多选B
</label>
</div>
&