在页面加载上启动引导模式

我根本不懂JavaScript。Bootstrap文档说到

通过JavaScript调用modal: $('#myModal').modal(options)

我不知道如何在页面加载上调用这个。使用Bootstrap页面上提供的代码，我可以成功地在元素单击上调用模态，但我希望它立即在页面加载上加载。

当前回答

更新2020 -引导5

建立在优秀的回应从以前的答案，在Bootstrap 5没有jQuery，这已经工作;

document.querySelector('[data-target="#exampleModal"]').click();

完整的片段:

window.onload = () => { document.querySelector('[data-target="#exampleModal"]').click(); } <script src="https://stackpath.bootstrapcdn.com/bootstrap/5.0.0-alpha1/js/bootstrap.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js"></script> <link href="https://stackpath.bootstrapcdn.com/bootstrap/5.0.0-alpha1/css/bootstrap.min.css" rel="stylesheet" /> <div class="container py-3">  <button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModal"> Launch demo modal </button>  <div class="modal fade" id="exampleModal" tabindex="-1" aria-labelledby="exampleModalLabel" aria-hidden="true"> <div class="modal-dialog"> <div class="modal-content"> <div class="modal-header"> <h5 class="modal-title" id="exampleModalLabel">Modal title</h5> <button type="button" class="close" data-dismiss="modal" aria-label="Close"> <span aria-hidden="true">×</span> </button> </div> <div class="modal-body"> ... </div> <div class="modal-footer"> <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button> <button type="button" class="btn btn-primary">Save changes</button> </div> </div> </div> </div> </div>

2020-08-21 22:36:18

其他回答

使用Bootstrap 3和jQuery(2.2和2.3)进行测试

$(window).on('load',function(){
  $('#myModal').modal('show');
});



<!-- Modal -->
<div class="modal fade" id="myModal" role="dialog">
    <div class="modal-dialog">

      <!-- Modal content-->
      <div class="modal-content">
        <div class="modal-header">
          <button type="button" class="close" data-dismiss="modal">&times;</button>
          <h4 class="modal-title"><i class="fa fa-exclamation-circle"></i>&nbsp; //Your modal Title</h4>
        </div>
        <div class="modal-body">
          //Your modal Content
        </div>
        <div class="modal-footer">
          <button type="button" class="btn btn-default" data-dismiss="modal">Fechar</button>
        </div>
      </div>

    </div>
</div>

https://jsfiddle.net/d7utnsbm/

2016-04-12 00:15:07

只需将你想要在页面加载时调用的模态包装在文档头部的jQuery load事件中，它就会弹出，如下所示:

<script type="text/javascript">
    $(window).on('load', function() {
        $('#myModal').modal('show');
    });
</script>

HTML

<div class="modal hide fade" id="myModal">
    <div class="modal-header">
        <a class="close" data-dismiss="modal">×</a>
        <h3>Modal header</h3>
    </div>
    <div class="modal-body">
        <p>One fine body…</p>
    </div>
    <div class="modal-footer">
        <a href="#" class="btn">Close</a>
        <a href="#" class="btn btn-primary">Save changes</a>
    </div>
</div>

你仍然可以在你的页面中调用模态，通过这样的链接调用它:

<a class="btn" data-toggle="modal" href="#myModal">Launch Modal</a>

2012-04-19 18:52:06

只需添加下面的-

class="modal show"

工作示例,

2014-07-19 07:32:33

就像其他人提到的，用display:block创建你的模态

<div class="modal in" tabindex="-1" role="dialog" style="display:block">
...

将背景放置在页面的任何地方，它不一定要在页面的底部

<div class="modal-backdrop fade show"></div>

然后，为了能够再次关闭对话框，添加这个

<script>
    $("button[data-dismiss=modal]").click(function () {
        $(".modal.in").removeClass("in").addClass("fade").hide();
        $(".modal-backdrop").remove();
    });
</script>

希望这能有所帮助

2018-03-27 12:27:44

你可以使用jQuery来处理这个问题

首先在模板上导入

<script src="https://code.jquery.com/jquery-3.6.0.min.js" integrity="sha256-/xUj+3OJU5yExlq6GSYGSHk7tPXikynS7ogEvDej/m4=" crossorigin="anonymous"></script>

然后用jQuery脚本在你的模式上点击id

<script type="text/javascript">
      $(window).on('load', function() {
        $('#staticBackdrop').modal('show');
    });
</script>

这里是modal用于case显示的django消息

{% if messages %}
      {% for message in messages %}
      <div class="modal fade" id="staticBackdrop" data-bs-backdrop="static" data-bs-keyboard="false" tabindex="-1" aria-labelledby="staticBackdropLabel" aria-hidden="false">
        <div class="modal-dialog">
          <div class="modal-content">
            <div class="modal-header">
              <h5 class="modal-title" id="staticBackdropLabel">Message</h5>
              <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <div class="modal-body">
              {{ message }}
            </div>
            <div class="modal-footer">
              <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
            </div>
          </div>
        </div>
      </div>
      {% endfor %}
        
    {% endif %}

2022-01-06 05:02:23

在页面加载上启动引导模式

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