下拉按钮确实按预期工作。

Question

我是 HTML 和 Angular 的新手。这可能是简单的基本问题。我正在尝试使用基本的下拉按钮。在这个例子中。

http://jsfiddle.net/xkL15guj/

我正在尝试在 plunkr 中使用相同的示例。但是，当我尝试添加文件 bootstrap.min.js 时，我无法添加。你能帮我理解我在这里犯了什么错误吗？

https://plnkr.co/edit/YfgD9G?

<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<link href="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" rel="stylesheet"/>
 <div class="btn-group">
  <button type="button" class="btn btn-danger">Action</button>
  <button type="button" class="btn btn-danger dropdown-toggle" data-toggle="dropdown">
    <span class="caret"></span>
    <span class="sr-only">Toggle Dropdown</span>
  </button>
  <ul class="dropdown-menu" role="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>

谢谢。

Answer 1

要添加 bootstrap 您需要添加 jquery:

当我查看您的 plunker 时，您需要在脚本调用顶部（angular 之前）进行调整：

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.2/jquery.min.js"></script>

和

<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js" integrity="sha384-0mSbJDEHialfmuBBQP6A4Qrprq5OVfW37PRR3j5ELqxss1yVqOtnepnHVP9aJ7xS" crossorigin="anonymous"></script>

我这里有一个 plunker 的例子：https://plnkr.co/edit/Kpy4s0RdFFu5hqgnKm9h?p=preview

另请注意，您引用的 bootstrap png 是“阻止加载混合活动内容”

Mixed Active Content is now blocked by default in Firefox 23!

What is Mixed Content?

When a user visits a page served over HTTP, their connection is open for eavesdropping and man-in-the-middle (MITM) attacks. When a user visits a page served over HTTPS, their connection with the web server is authenticated and encrypted with SSL and hence safeguarded from eavesdroppers and MITM attacks.

However, if an HTTPS page includes HTTP content, the HTTP portion can be read or modified by attackers, even though the main page is served over HTTPS. When an HTTPS page has HTTP content, we call that content “mixed”. The webpage that the user is visiting is only partially encrypted, since some of the content is retrieved unencrypted over HTTP. The Mixed Content Blocker blocks certain HTTP requests on HTTPS pages.

要禁用阻止混合内容：

If you need to allow the mixed content to be displayed, you can do that easily:

Click the shield icon Mixed Content Shield in the address bar and choose Disable Protection on This Page from the dropdown menu.

The icon in the address bar will change to an orange warning triangle Warning Identity Icon to remind you that insecure content is being displayed.

To revert the previous action (re-block mixed content), just reload the page.

Answer 2

这是因为您没有将 bootstrap.js 文件和 jQuery.js 文件添加到您的应用程序中。

<!DOCTYPE html>
<html>

<head>
  <link data-require="bootstrap-css@3.3.6" data-semver="3.3.6" rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.css" />
  <link data-require="bootstrap-glyphicons@*" data-semver="3.2.1" rel="stylesheet" href="https://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.1/img/glyphicons-halflings.png" />
  <script data-require="angular.js@1" data-semver="1.5.3" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.3/angular.min.js"></script>
  <script data-require="jquery@*" data-semver="2.2.0" src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
  <script data-require="ui-bootstrap@*" data-semver="1.1.1" src="https://cdn.rawgit.com/angular-ui/bootstrap/gh-pages/ui-bootstrap-1.1.1.js"></script>
  <script data-require="ui-bootstrap-tpls-0.12.0.min.js@*" data-semver="0.12.1" src="https://raw.githubusercontent.com/angular-ui/bootstrap-bower/0.12.1/ui-bootstrap-tpls.min.js"></script>
  <link rel="stylesheet" href="style.css" />
  <script src="script.js"></script>
</head>

<body>
  <h1>Hello Plunker!</h1>
  <div class="btn-group">
    <button type="button" class="btn btn-danger">Action</button>
    <button type="button" class="btn btn-danger dropdown-toggle" data-toggle="dropdown">
      <span class="caret"></span>
      <span class="sr-only">Toggle Dropdown</span>
    </button>
    <ul class="dropdown-menu" role="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>
</body>

</html>

下拉按钮确实按预期工作。

Dropdown button does work as expected.

html

angularjs

angular-ui-bootstrap

plunker