html - 引导程序3的表单元素对齐问题
问题描述
我正在使用 bootstrap 3 进行表单设计。我正在使用以下结构。
<div class="row">
<div class="col-md-6">
<div class="form-group">
<label class="col-sm-3 control-label" for="concept">Name</label>
<div class="col-sm-9">
<input type="text" class="form-control"/>
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label" for="concept">Age</label>
<div class="col-sm-9">
<input type="text" class="form-control"/>
</div>
</div>
</div>
<div class="col-md-6">
<div class="form-group">
<label class="col-sm-3 control-label" for="concept">Class</label>
<div class="col-sm-9">
<input type="text" class="form-control"/>
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label" for="concept">School</label>
<div class="col-sm-9">
<input type="text" class="form-control"/>
</div>
</div>
</div>
</div>
<div class="row">
<div class="col-md-6">
<div class="form-group">
<label class="col-sm-3 control-label" for="concept">Subject</label>
<div class="col-sm-9">
<input type="text" class="form-control"/>
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label" for="concept">Grade</label>
<div class="col-sm-9">
<input type="text" class="form-control"/>
</div>
</div>
</div>
<div class="col-md-6" id="monthData">
<div class="form-group">
<label class="col-sm-3 control-label" for="concept">Monthly Amount</label>
<div class="col-sm-5">
<input type="text" class="form-control"/>
</div>
<div class="col-sm-4">
<input type="text" size="9" class="form-control" placeholder="No.of months">
</div>
</div>
</div>
</div>
这种布局运作良好。但问题是,有时我需要隐藏“monthData”部门。当我隐藏它时,行的右侧有一个空白空间。我如何避免这种情况。
作为一种解决方案,我尝试如下更改我的布局。
<div class="row">
<div class="col-md-6">
form elements
</div>
<div class="col-md-6">
form elements
</div>
</div>
根据我的解决方案,空白空间问题已解决。但是标签索引是从上到下的。但我需要从左到右。
你能帮我解决这些问题吗?有人知道更好的结构吗?
解决方案
tabindex
按所需顺序将属性添加到input
with 值。
<link href="https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css" rel="stylesheet"/>
<div class="row">
<div class="col-md-6">
<div class="form-group">
<label class="col-sm-3 control-label" for="concept">Name</label>
<div class="col-sm-9">
<input type="text" class="form-control" tabindex="1">
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label" for="concept">Age</label>
<div class="col-sm-9">
<input type="text" class="form-control" tabindex="3" />
</div>
</div>
</div>
<div class="col-md-6">
<div class="form-group">
<label class="col-sm-3 control-label" for="concept">Class</label>
<div class="col-sm-9">
<input type="text" class="form-control" tabindex="2" />
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label" for="concept">School</label>
<div class="col-sm-9">
<input type="text" class="form-control" tabindex="4" />
</div>
</div>
</div>
</div>
<div class="row">
<div class="col-md-6">
<div class="form-group">
<label class="col-sm-3 control-label" for="concept">Subject</label>
<div class="col-sm-9">
<input type="text" class="form-control" tabindex="5" />
</div>
</div>
<div class="form-group">
<label class="col-sm-3 control-label" for="concept">Grade</label>
<div class="col-sm-9">
<input type="text" class="form-control" tabindex="9" />
</div>
</div>
</div>
<div class="col-md-6" id="monthData">
<div class="form-group">
<label class="col-sm-3 control-label" for="concept">Monthly Amount</label>
<div class="col-sm-5">
<input type="text" class="form-control" tabindex="6" />
</div>
<div class="col-sm-4">
<input type="text" size="9" class="form-control" placeholder="No.of months" tabindex="7">
</div>
</div>
</div>
</div>