【问题标题】:Bootstrap modal not showing up on click引导模式未在单击时显示
【发布时间】:2017-10-09 17:48:16
【问题描述】:

当我尝试在 Bootstrap 中加载模式时,它会在我刷新页面时显示,但在我单击按钮时不会显示。我希望我的模态仅在用户单击按钮时弹出。

我的html文件设置如下:

<head>
    <meta charset="utf-8">
    <title>my title here</title>
    <link rel="stylesheet" type="text/css" href="/static/css/bootstrap.min.css">
    <script src="/static/js/jquery-3.2.1.min.js"></script>
    <script src="/static/js/popper.min.js"></script>
    <script src="/static/js/bootstrap.min.js"></script>
    <script src="/static/Highcharts-5.0.14/code/highcharts.js"></script>
    <script src="/static/Highcharts-5.0.14/code/modules/exporting.js"></script>
    <!-- Our Custom CSS -->
    <link rel="stylesheet" href="/static/css/style_charts_black.css">
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
</head>

我从 Bootstrap 教程网站复制了这段代码:

<!-- Button trigger modal -->
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#myModal" style="float:right; margin-right:100px">
Launch demo modal
</button>

<!-- Modal -->
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
  <div class="modal-dialog" role="document">
    <div class="modal-content">
      <div class="modal-header">
        <h5 class="modal-title" id="myModalLabel">Modal title</h5>
        <button type="button" class="close" data-dismiss="modal" aria-label="Close">
          <span aria-hidden="true">&times;</span>
        </button>
      </div>
      <div class="modal-body">
      ...
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
      </div>
    </div>
  </div>
</div>

<script>$('#myModal').modal('show')</script> 

我在 javascript 控制台中没有收到任何 jquery 错误。我也尝试将上面的最后一行更改为 .modal('toggle'),但没有帮助。

【问题讨论】:

  • 不需要使用这个$('#myModal').modal('show')
  • 这个按钮toggle target 元素 id=#myModal跨度>

标签: jquery html css twitter-bootstrap modal-dialog


【解决方案1】:

只需删除 html 标记中的数据切换,然后 写下

$('#myModal').modal('show')
or
$('#myModal').modal('toggle')

【讨论】:

    【解决方案2】:

    你的代码很好,你需要在&lt;body&gt;标签中包含js文件,而不是head。

    来自他们的文档:

    在页面末尾附近添加我们的 JavaScript 插件、jQuery 和 Tether,就在结束正文标记之前。

    这是我找到该信息的链接:

    https://v4-alpha.getbootstrap.com/getting-started/introduction/

    以及正文中包含的 js 文件的代码笔和您的代码正常工作:

    https://codepen.io/egerrard/pen/MEGgJE

    【讨论】:

      【解决方案3】:

      您的代码工作正常,如果您只想在单击按钮时激活模式,则不需要脚本

      $('#myModal').modal('show')

      <head>
          <meta charset="utf-8">
          <title>GSMA Intelligence &mdash; Visuals</title>
          <!-- Latest compiled and minified CSS -->
          <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
      
          <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script>
      
          <!-- Latest compiled and minified JavaScript -->
          <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
      
          <meta name="viewport" content="width=device-width, initial-scale=1.0" />
          <meta http-equiv="X-UA-Compatible" content="IE=edge">
      </head>
      
      <!-- Button trigger modal -->
      <!-- Button trigger modal -->
      <button type="button" class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">
        Launch demo modal
      </button>
      
      <!-- Modal -->
      <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
        <div class="modal-dialog" role="document">
          <div class="modal-content">
            <div class="modal-header">
              <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
              <h4 class="modal-title" id="myModalLabel">Modal title</h4>
            </div>
            <div class="modal-body">
              ...
            </div>
            <div class="modal-footer">
              <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
              <button type="button" class="btn btn-primary">Save changes</button>
            </div>
          </div>
        </div>
      </div>

      【讨论】:

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