禁用的输入框 input
如果您想要禁用一个输入框 input，只需要简单地添加 disabled 属性，这不仅会禁用输入框，还会改变输入框的样式以及当鼠标的指针悬停在元素上时鼠标指针的样式。
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>Bootstrap历练实例：表单控件状态(禁用)</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1.0" />
<link rel="stylesheet" href="bootstrap-3.3.5-dist/css/bootstrap.min.css" />
</head>
<body>
<div class="container">
<form class="form-horizontal" role="form">
<div class="form-group">
<label for="disabledInput" class="control-label col-sm-2">禁用：</label>
<div class="col-sm-10">
<input type="text" id="disabledInput" class="form-control" placeholder="该输入框禁止输入"disabled="disabled" />
</div>
</div>
</form>
</div>
<script src="jQuery/jquery-2.1.4.js"></script>
<script src="bootstrap-3.3.5-dist/js/bootstrap.min.js"></script>
</body>
</html>