Bootstrap 警告(Alerts)本章将讲解警告(Alerts)以及 Bootstrap 所提供的用于警告的 class。警告(Alerts)向用户提供了一种定义消息样式的方式。它们为典型的用户操作提供了上下文信息反馈。 您可以为警告框添加一个可选的关闭按钮。为了创建一个内联的可取消的警告框,请使用 警告(Alerts) jQuery 插件。 您可以通过创建一个 <div>,并向其添加一个 .alert class 和四个上下文 class(即 .alert-success、.alert-info、.alert-warning、.alert-danger)之一,来添加一个基本的警告框。下面的实例演示了这点: <!DOCTYPE html><html><head>
<title>Bootstrap 实例 - 警告(Alerts)</title>
<link href="//cdn.bootcss.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="stylesheet">
<script src="//cdn.bootcss.com/jquery/2.1.1/jquery.min.js" rel="external nofollow" rel="external nofollow" rel="external nofollow" ></script>
<script src="//cdn.bootcss.com/bootstrap/3.3.6/js/bootstrap.min.js" rel="external nofollow" rel="external nofollow" rel="external nofollow" ></script></head><body>
<div class="alert alert-success">成功!很好地完成了提交。</div>
<div class="alert alert-info">信息!请注意这个信息。</div>
<div class="alert alert-warning">警告!请不要提交。</div>
<div class="alert alert-danger">错误!请进行一些更改。</div>
</body></html>
结果如下所示: 可取消的警告(Dismissal Alerts)创建一个可取消的警告(Dismissal Alert)步骤如下: 下面的实例演示了这点: <!DOCTYPE html><html><head>
<title>Bootstrap 实例 - 可取消的警告(Dismissal Alerts)</title>
<link href="//cdn.bootcss.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="stylesheet">
<script src="//cdn.bootcss.com/jquery/2.1.1/jquery.min.js" rel="external nofollow" rel="external nofollow" rel="external nofollow" ></script>
<script src="//cdn.bootcss.com/bootstrap/3.3.6/js/bootstrap.min.js" rel="external nofollow" rel="external nofollow" rel="external nofollow" ></script></head><body><div class="alert alert-success alert-dismissable">
<button type="button" class="close" data-dismiss="alert"
aria-hidden="true">
× </button>
成功!很好地完成了提交。</div><div class="alert alert-info alert-dismissable">
<button type="button" class="close" data-dismiss="alert"
aria-hidden="true">
× </button>
信息!请注意这个信息。</div><div class="alert alert-warning alert-dismissable">
<button type="button" class="close" data-dismiss="alert"
aria-hidden="true">
× </button>
警告!请不要提交。</div><div class="alert alert-danger alert-dismissable">
<button type="button" class="close" data-dismiss="alert"
aria-hidden="true">
× </button>
错误!请进行一些更改。</div></body></html>
请确保使用带有 data-dismiss="alert" data 属性的 <button> 元素。 结果如下所示: 警告(Alerts)中的链接在警告(Alerts)中创建链接的步骤如下: <!DOCTYPE html><html><head>
<title>Bootstrap 实例 - 警告(Alerts)中的链接</title>
<link href="//cdn.bootcss.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="stylesheet">
<script src="//cdn.bootcss.com/jquery/2.1.1/jquery.min.js" rel="external nofollow" rel="external nofollow" rel="external nofollow" ></script>
<script src="//cdn.bootcss.com/bootstrap/3.3.6/js/bootstrap.min.js" rel="external nofollow" rel="external nofollow" rel="external nofollow" ></script></head><body><div class="alert alert-success">
<a href="#" class="alert-link">成功!很好地完成了提交。</a></div><div class="alert alert-info">
<a href="#" class="alert-link">信息!请注意这个信息。</a></div><div class="alert alert-warning">
<a href="#" class="alert-link">警告!请不要提交。</a></div><div class="alert alert-danger">
<a href="#" class="alert-link">错误!请进行一些更改。</a></div></body></html>
结果如下所示: 提示:你可以在本站的Bootstrap编程实战中的练习来添加一个Bootstrap警告按钮!
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