The following code shows how to prepended and Appended Inputs.
<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet"
href="http://netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css">
<link rel="stylesheet"
href="http://netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap-theme.min.css">
<script type="text/javascript"
src="http://code.jquery.com/jquery.min.js"></script>
<script
src="http://netdna.bootstrapcdn.com/bootstrap/3.0.3/js/bootstrap.min.js"></script>
<style type="text/css">
.bs-example {<!-- w w w . ja v a2s .c o m-->
margin: 20px;
}
</style>
</head>
<body>
<div class="bs-example">
<form>
<div class="row">
<div class="col-xs-6">
<div class="input-group">
<div class="input-group-btn">
<button type="button" class="btn btn-default dropdown-toggle"
data-toggle="dropdown">
Action <span class="caret"></span>
</button>
<ul class="dropdown-menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</div>
<input type="text" class="form-control">
</div>
</div>
<div class="col-xs-6">
<div class="input-group">
<input type="text" class="form-control">
<div class="input-group-btn">
<button type="button" class="btn btn-default dropdown-toggle"
data-toggle="dropdown">
Action <span class="caret"></span>
</button>
<ul class="dropdown-menu pull-right">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</div>
</div>
</div>
</div>
</form>
<hr>
<form>
<div class="input-group">
<div class="input-group-btn">
<button type="button" class="btn btn-default dropdown-toggle"
data-toggle="dropdown">
Action <span class="caret"></span>
</button>
<ul class="dropdown-menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<li class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</div>
<input type="text" class="form-control">
</div>
<br>
<div class="input-group">
<input type="text" class="form-control">
<div class="input-group-btn">
<button type="button" class="btn btn-default dropdown-toggle"
data-toggle="dropdown">
Action <span class="caret"></span>
</button>
<ul class="dropdown-menu pull-right">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<li class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</div>
</div>
</form>
</div>
</body>
</html>