【问题标题】:Using Bootstrap collapse class not working for multiple div tags使用 Bootstrap 折叠类不适用于多个 div 标签
【发布时间】:2019-06-30 20:25:14
【问题描述】:

我有一个项目 A、B、C、D、E 的列表。您单击这些列表项目之一的每个项目都有一个引导类“collapse”,其中显示一个带有文本的 div。这一切正常。但是,您必须再次单击列表项才能折叠包含文本的 div。

我正在尝试确保单击列表项时,所有其他 openend div 都会立即关闭。

我发现了一些提到使用“data-parent”的东西,但正如下面的 sn-p 所示,这不起作用。要查看问题,请查看 sn-p 并展开 sn-p。

要复制我的问题,步骤如下:

  1. 单击项目 A(您会看到下方出现文本“A”)
  2. 单击项目 B(您会看到文本“A”和“B”仍然出现)
  3. 单击项目 C(您将看到文本 'A','B''C')
  4. 单击项目 A(您现在将看到“B”、“C”)但 A 现在已折叠

我试图确保您只看到与您单击的 div 的 ID 相关的文本。

<!DOCTYPE html>
<html>
<head>
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/js/bootstrap.min.js"></script>
</head>
<body>

 <!-- Start Restaurant Menu -->
         <section id="mu-restaurant-menu">
             <div class="container">
                 <div id="menuGroup">
                     <div class="panel">
               <div class="row">
                  <div class="col-md-12">
                     <div class="mu-restaurant-menu-area">
                        <div class="mu-title">
                           <p>&nbsp;</p>
                           <h2>LIST ITEM</h2>
                        </div>
                        <div class="row">
                           <div class="col-md-12">
                              
                              <div class="mu-counter-area">
                                 <ul class="mu-counter-nav">
                                    <li class="col-md-2 col-sm-3 col-xs-12">
                                       <div class="mu-single-counter" data-toggle="collapse" href="#collapseA" aria-expanded="false" data-parent="#menuGroup" aria-controls="collapseFood">
                                          <span>A</span>
                                       </div>
                                    </li>
                                    <li class="col-md-2 col-sm-3 col-xs-12">
                                       <div class="mu-single-counter" data-toggle="collapse" href="#collapseB" aria-expanded="false" data-parent="#menuGroup" aria-controls="collapseVegan">
                                          <span>B</span>
                                       </div>
                                    </li>
                                    <li class="col-md-2 col-sm-3 col-xs-12">
                                       <div class="mu-single-counter" data-toggle="collapse"   href="#collapseC" aria-expanded="false" data-parent="#menuGroup" aria-controls="collapseJain">
                                          <span>C</span>
                                       </div>
                                    </li>
                                    <li class="col-md-2 col-sm-6 col-xs-12">
                                       <div class="mu-single-counter" data-toggle="collapse" href="#collapseD" aria-expanded="false" data-parent="#menuGroup" aria-controls="collapseLunch">
                                          <span>D</span>
                                       </div>
                                    </li>
                                 
                                    <li class="col-md-2 col-sm-3 col-xs-12">
                                       <div class="mu-single-counter" data-toggle="collapse" href="#collapseE" aria-expanded="false" data-parent="#menuGroup" aria-controls="collapseCocktail">
                                          <span>E</span>
                                       </div>
                                    </li>
                                 </ul>
                              </div>
                           </div>
                        </div>
                        <div class="mu-restaurant-menu-content">
                           <div class="row visible-lg visible-md visible-sm visible-xs collapsable-content">
                              <div class="container">
                                 <div class="col-lg-12 col-md-12 col-sm-12 col-xs-12">
                                    <div class="main-menu-box">
                                       <hr>
									   
									   
									   
									   
                                       <div class="collapse" id="collapseA" aria-expanded="true" >
                                          <div class="intro">
										  A
                                             </div>
                                          <hr>
                                       </div>

													<div class="collapse" id="collapseB" aria-expanded="true" >
                                          <div class="intro">
										  B
                                             </div>
                                          <hr>
                                       </div>
                                      
                                      						<div class="collapse" id="collapseC" aria-expanded="true" >
                                          <div class="intro">
										  C
                                             </div>
                                          <hr>
                                       </div>
                                      
                                      			<div class="collapse" id="collapseD" aria-expanded="true" >
                                          <div class="intro">
										  D
                                             </div>
                                          <hr>
                                       </div>

                                      
                                           
                                      			<div class="collapse" id="collapseE" aria-expanded="true" >
                                          <div class="intro">
										  E
                                             </div>
                                          <hr>
                                       </div>
  





                                                      </div>
                                                   </div>
                                                </div>
                                                <hr>
                                             </div>
                                          </div>






                                 </div>
                              </div>
                           </div>
                        </div>
                     </div>
                  </div>
               </div>
                   </div>
                 </div>
                 </div>
                </div>
         </section>
         <!-- End Restaurant Menu -->
    
</body>
</html>

【问题讨论】:

    标签: javascript jquery html twitter-bootstrap


    【解决方案1】:

    你可以用jquery来做到这一点,

    <script type="text/javascript">
      $(document).ready(function(){
        $('[data-toggle="collapse"]').click(function(event) {
            if ($('.collapse.in').length > 0) {
                $('.collapse.in').collapse('hide')
            }
        });
      })
    </script>
    

    data-toggle="collapse" 点击时,意味着在您的列表项点击时,所有打开的 div(带有 .in 类)都与collapse function 关闭。

    <!DOCTYPE html>
    <html>
        <head>
            <meta content="width=device-width, initial-scale=1" name="viewport">
                <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/css/bootstrap.min.css" rel="stylesheet">
                    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js">
                    </script>
                    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/js/bootstrap.min.js">
                    </script>
                </link>
            </meta>
        </head>
        <body>
            <!-- Start Restaurant Menu -->
            <section id="mu-restaurant-menu">
                <div class="container">
                    <div id="menuGroup">
                        <div class="panel">
                            <div class="row">
                                <div class="col-md-12">
                                    <div class="mu-restaurant-menu-area">
                                        <div class="mu-title">
                                            <p>
                                            </p>
                                            <h2>
                                                LIST ITEM
                                            </h2>
                                        </div>
                                        <div class="row">
                                            <div class="col-md-12">
                                                <div class="mu-counter-area">
                                                    <ul class="mu-counter-nav">
                                                        <li class="col-md-2 col-sm-3 col-xs-12">
                                                            <div aria-controls="collapseFood" aria-expanded="false" class="mu-single-counter" data-parent="#menuGroup" data-toggle="collapse" href="#collapseA">
                                                                <span>
                                                                    A
                                                                </span>
                                                            </div>
                                                        </li>
                                                        <li class="col-md-2 col-sm-3 col-xs-12">
                                                            <div aria-controls="collapseVegan" aria-expanded="false" class="mu-single-counter" data-parent="#menuGroup" data-toggle="collapse" href="#collapseB">
                                                                <span>
                                                                    B
                                                                </span>
                                                            </div>
                                                        </li>
                                                        <li class="col-md-2 col-sm-3 col-xs-12">
                                                            <div aria-controls="collapseJain" aria-expanded="false" class="mu-single-counter" data-parent="#menuGroup" data-toggle="collapse" href="#collapseC">
                                                                <span>
                                                                    C
                                                                </span>
                                                            </div>
                                                        </li>
                                                        <li class="col-md-2 col-sm-6 col-xs-12">
                                                            <div aria-controls="collapseLunch" aria-expanded="false" class="mu-single-counter" data-parent="#menuGroup" data-toggle="collapse" href="#collapseD">
                                                                <span>
                                                                    D
                                                                </span>
                                                            </div>
                                                        </li>
                                                        <li class="col-md-2 col-sm-3 col-xs-12">
                                                            <div aria-controls="collapseCocktail" aria-expanded="false" class="mu-single-counter" data-parent="#menuGroup" data-toggle="collapse" href="#collapseE">
                                                                <span>
                                                                    E
                                                                </span>
                                                            </div>
                                                        </li>
                                                    </ul>
                                                </div>
                                            </div>
                                        </div>
                                        <div class="mu-restaurant-menu-content">
                                            <div class="row visible-lg visible-md visible-sm visible-xs collapsable-content">
                                                <div class="container">
                                                    <div class="col-lg-12 col-md-12 col-sm-12 col-xs-12">
                                                        <div class="main-menu-box">
                                                            <hr>
                                                                <div class="collapse" id="collapseA">
                                                                    <div class="intro">
                                                                        A
                                                                    </div>
                                                                    <hr>
                                                                    </hr>
                                                                </div>
                                                                <div aria-expanded="true" class="collapse" id="collapseB">
                                                                    <div class="intro">
                                                                        B
                                                                    </div>
                                                                    <hr>
                                                                    </hr>
                                                                </div>
                                                                <div aria-expanded="true" class="collapse" id="collapseC">
                                                                    <div class="intro">
                                                                        C
                                                                    </div>
                                                                    <hr>
                                                                    </hr>
                                                                </div>
                                                                <div aria-expanded="true" class="collapse" id="collapseD">
                                                                    <div class="intro">
                                                                        D
                                                                    </div>
                                                                    <hr>
                                                                    </hr>
                                                                </div>
                                                                <div aria-expanded="true" class="collapse" id="collapseE">
                                                                    <div class="intro">
                                                                        E
                                                                    </div>
                                                                    <hr>
                                                                    </hr>
                                                                </div>
                                                            </hr>
                                                        </div>
                                                    </div>
                                                </div>
                                                <hr>
                                                </hr>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </section>
        </body>
    </html>
    <!-- End Restaurant Menu -->
    <script type="text/javascript">
    $(document).ready(function(){
        $('[data-toggle="collapse"]').click(function(event) {
            if ($('.collapse.in').length > 0) {
                $('.collapse.in').collapse('hide')
            }
        });
    })
    </script>

    【讨论】:

    • 这似乎可行,但并不是真正的平稳过渡。当你运行你的代码 sn-p (它就像跳转)而不是平滑地更改 div 时。运行两个 sn-ps(我的和你的),你可能会看到差异。这是什么原因?此外,当您单击项目列表时效果已经消失,出现 div 并且如果您单击返回相同的项目列表,它会保持打开状态。如果再次点击它有没有办法折叠?
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