Question

我有以下手风琴代码。该代码工作正常。我想使选定的选项卡在页面刷新时保持活动状态。但是我添加的JavaScript无法正常工作。我不知道确切的问题是什么。请给我一个解决方案。谢谢...

<div class="accordion" id="accordionExample">
  <div class="card">
    <div class="card-header" id="headingOne">
      <h2 class="mb-0">
        <button class="btn btn-link" type="button" data-toggle="collapse" data-target="#collapseOne" aria-expanded="false" aria-controls="collapseOne">
          Collapsible Group Item #1
        </button>
      </h2>
    </div>

    <div id="collapseOne" class="collapse show" aria-labelledby="headingOne" data-parent="#accordionExample">
      <div class="card-body">
        Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
      </div>
    </div>
  </div>
  <div class="card">
    <div class="card-header" id="headingTwo">
      <h2 class="mb-0">
        <button class="btn btn-link collapsed" type="button" data-toggle="collapse" data-target="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
          Collapsible Group Item #2
        </button>
      </h2>
    </div>
    <div id="collapseTwo" class="collapse" aria-labelledby="headingTwo" data-parent="#accordionExample">
      <div class="card-body">
        Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
      </div>
    </div>
  </div>
  <div class="card">
    <div class="card-header" id="headingThree">
      <h2 class="mb-0">
        <button class="btn btn-link collapsed" type="button" data-toggle="collapse" data-target="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
          Collapsible Group Item #3
        </button>
      </h2>
    </div>
    <div id="collapseThree" class="collapse" aria-labelledby="headingThree" data-parent="#accordionExample">
      <div class="card-body">
        Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
      </div>
    </div>
  </div>
</div>

JavaScript

<script type="text/javascript">
$(document).ready(function(){
    $('button[data-toggle="collapse"]').on('shown.bs.collapse', function(e) {
        localStorage.setItem('activeTab', $(e.target).attr('data-target'));
    });
    var activeTab = localStorage.getItem('activeTab');
    if(activeTab){
        $('#accordionExample button[data-target="' + activeTab + '"]').collapse('show');
    }
});
</script>

Answer 1

首先，将ID（要显示的div）添加到会话中。然后，在重新加载后，您就可以获取会话。并通过js显示当前div。这是我的代码。

$(document).ready(function() {
  // Get saved data from sessionStorage
  let selectedCollapse = sessionStorage.getItem('selectedCollapse');
  if(selectedCollapse != null) {
    $('.accordion .collapse').removeClass('show');
    $(selectedCollapse).addClass('show');
  }
  //To set, which one will be opened
  $('.accordion .btn-link').on('click', function(){ 
    let target = $(this).data('target');
    //Save data to sessionStorage
    sessionStorage.setItem('selectedCollapse', target);
  });
});

请注意，我看到了您的代码。我认为您使用了bootstrap和jquery。您必须至少需要jquery才能执行avobe动作。

我不知道这是正确与否。但这会以某种方式起作用。

如何在Bootstrap中使当前的手风琴在页面刷新中保持活动状态

1 个答案: