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jquery - Bootstrap 4 输入组附加不起作用

转载 作者：行者123 更新时间：2023-12-03 22:24:05 26 4
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使用以下 HTML:

<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <meta name="description" content="">
    <meta name="author" content="">
    <link rel="icon" href="../../../../favicon.ico">

    <title>Starter Template for Bootstrap</title>

    <!-- Bootstrap core CSS -->
    <link
      rel="stylesheet"
      href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css"
      integrity="sha384-PsH8R72JQ3SOdhVi3uxftmaW6Vc51MKb0q5P2rRUpPvrszuE4W1povHYgTpBfshb"
      crossorigin="anonymous">


    <!-- jQuery libraries -->
    <script
      src="https://code.jquery.com/jquery-3.2.1.min.js"
      integrity="sha256-hwg4gsxgFZhOsEEamdOYGBf13FyQuiTwlAQgxVSNgt4="
      crossorigin="anonymous"></script>
    <script
      src="https://code.jquery.com/ui/1.12.1/jquery-ui.min.js"
      integrity="sha256-VazP97ZCwtekAsvgPBSUwPFKdrwD3unUfSGVYrahUqU="
      crossorigin="anonymous"></script>

    <!-- Custom styles -->
    <link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">

  </head>

  <body>

    <nav class="navbar navbar-expand-md navbar-dark bg-dark fixed-top">
      <a class="navbar-brand" href="#">Navbar</a>
      <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarsExampleDefault" aria-controls="navbarsExampleDefault" aria-expanded="false" aria-label="Toggle navigation">
        <span class="navbar-toggler-icon"></span>
      </button>

      <div class="collapse navbar-collapse" id="navbarsExampleDefault">
        <ul class="navbar-nav mr-auto">
          <li class="nav-item active">
            <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
          </li>
          <li class="nav-item">
            <a class="nav-link" href="#">Link</a>
          </li>
          <li class="nav-item">
            <a class="nav-link disabled" href="#">Disabled</a>
          </li>
          <li class="nav-item dropdown">
            <a class="nav-link dropdown-toggle" href="http://example.com" id="dropdown01" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown</a>
            <div class="dropdown-menu" aria-labelledby="dropdown01">
              <a class="dropdown-item" href="#">Action</a>
              <a class="dropdown-item" href="#">Another action</a>
              <a class="dropdown-item" href="#">Something else here</a>
            </div>
          </li>
        </ul>
        <form class="form-inline my-2 my-lg-0">
          <input class="form-control mr-sm-2" type="text" placeholder="Search" aria-label="Search">
          <button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
        </form>
      </div>
    </nav>

    <main role="main" class="container">

    <div class="input-group mb-3">
      <div class="input-group-prepend">
        <span class="input-group-text" id="basic-addon1">@</span>
      </div>
      <input type="text" class="form-control" placeholder="Username" aria-label="Username" aria-describedby="basic-addon1">
    </div>

    <div class="input-group mb-3">
      <input type="text" class="form-control" placeholder="Recipient's username" aria-label="Recipient's username" aria-describedby="basic-addon2">
      <div class="input-group-append">
        <span class="input-group-text" id="basic-addon2">@example.com</span>
      </div>
    </div>

    <label for="basic-url">Your vanity URL</label>
    <div class="input-group mb-3">
      <div class="input-group-prepend">
        <span class="input-group-text" id="basic-addon3">https://example.com/users/</span>
      </div>
      <input type="text" class="form-control" id="basic-url" aria-describedby="basic-addon3">
    </div>

    <div class="input-group mb-3">
      <div class="input-group-prepend">
        <span class="input-group-text">$</span>
      </div>
      <input type="text" class="form-control" aria-label="Amount (to the nearest dollar)">
      <div class="input-group-append">
        <span class="input-group-text">.00</span>
      </div>
    </div>

    </main><!-- /.container -->

    <!-- Bootstrap core JavaScript
    ================================================== -->
    <!-- Placed at the end of the document so the pages load faster -->
    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.3/umd/popper.min.js" integrity="sha384-vFJXuSJphROIrBnz7yo7oB41mKfc8JzQZiCq4NCceLEaO4IHwicKwpJf9c9IpFgh" crossorigin="anonymous"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/js/bootstrap.min.js" integrity="sha384-alpBpkh1PFOepccYVYDB4do5UnbKysX5WZXm3XxPqe5iKTfUKjNkCk9SaVuEZflJ" crossorigin="anonymous"></script>
  </body>
</html>

但是，当我实际渲染页面时，input-group-append 部分似乎不起作用。这是屏幕截图:

Rendered page screenshot

但是，这显然与示例 here 不同。 .

不确定我应该在这里做什么不同的事情，这是 Bootstrap 4.0 Beta 的错误吗？

快速补充说明，以防万一它以某种方式相关，我正在使用 Django 2.0。

最佳答案

我今天刚遇到这个。我仔细检查了我的样式和脚本，一切都很好。我没有使用追加和准备，而是使用了 input-group-addon 和 input-group-btn。

请参阅此link .

关于jquery - Bootstrap 4 输入组附加不起作用，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/48143129/

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