Bootstrap4：手风琴崩溃不顺利

Question

我在bootstrap 4中制作了手风琴折叠。它可以工作，但不流畅有人知道如何解决这个问题吗？我尝试制作另一个div并将div放在里面，但什么都没有。这是代码。谢谢！

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>

<section>
  <div class="container-fluid bg-light ">
    <div id="accordion">
      <div class="text-center pt-5 pb-4 mt-5 pt-4">
        <h2 id="price">Our prices</h2>
        <p> Lorem ipsum dolor, sit amet consectetur adipisicing.</p>
      </div>
      <div id="myGroup" class="d-flex align-items-center pt-4 justify-content-center flex-md-row flex-wrap">
        <div class="d-flex flex-column col-md-4 col-lg-3 ">
          <a href="#classy" data-toggle="collapse" aria-controls="classy" id="button" class="btn btn-outline-warning btn-lg mb-3" aria-expanded="true">Classy</a>
          <a href="#casual" data-toggle="collapse" aria-controls="casual" id="button" class="btn btn-outline-warning btn-lg mb-3 collapsed" aria-expanded="false">Casual</a>
          <a href="#jackets" data-toggle="collapse" aria-controls="jackets" id="button" class="btn btn-outline-warning btn-lg mb-3 collapsed" aria-expanded="false">Jacket</a>
        </div>
        <div id="classy" class="collapse show card col-md-4 col-lg-3 px-0 ml-4 my-5 " data-parent="#accordion">
          <ul class="list-group list-group-flush cards" id="cards">
            <li class="list-group-item">Suit</li>
            <li class="list-group-item">Cras justo odio</li>
            <li class="list-group-item">Dapibus ac facilisis in</li>
            <li class="list-group-item">Vestibulum at eros</li>
          </ul>
        </div>
        <div id="casual" class="collapse card col-md-4 col-lg-3 px-0 ml-4 my-5" data-parent="#accordion">
          <ul class="list-group list-group-flush cards" id="cards">
            <li class="list-group-item">farmerki...........</li>
            <li class="list-group-item">Cras justo odio</li>
            <li class="list-group-item">Dapibus ac facilisis in</li>
            <li class="list-group-item">Vestibulum at eros</li>
          </ul>
        </div>
        <div id="jackets" class="collapse card col-md-4 col-lg-3 px-0 ml-4 my-5" data-parent="#accordion">
          <ul class="list-group list-group-flush cards" id="cards">
            <li class="list-group-item">jakna...........</li>
            <li class="list-group-item">Cras justo odio</li>
            <li class="list-group-item">Dapibus ac facilisis in</li>
            <li class="list-group-item">Vestibulum at eros</li>
          </ul>
        </div>
      </div>
    </div>
  </div>
</section>

Answer 1

请你可以尝试使用这是纯引导4手风琴这是非常顺利，但

css lang-css prettyprint-override">#accordion .collapsing {
    transition: height 1s ease-in-out;
}

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>

<section>
  <div class="container-fluid bg-light ">
    <div id="accordion">
      <div class="text-center pt-5 pb-4 mt-5 pt-4">
        <h2 id="price">Our prices</h2>
        <p> Lorem ipsum dolor, sit amet consectetur adipisicing.</p>
      </div>
      <div id="accordion">
        <div class="row">
          <div class="col-6">
            <div class="card">
              <div class="card-header">
                <h5 class="mb-0">
                  <button class="btn btn-link" data-toggle="collapse" data-target="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
                    Collapsible Group Item #1
                  </button>
                </h5>
              </div>
            </div> 
            <div class="card">
              <div class="card-header">
                <h5 class="mb-0">
                  <button class="btn btn-link" data-toggle="collapse" data-target="#collapseTwo" aria-expanded="true" aria-controls="collapseTwo">
                    Collapsible Group Item #1
                  </button>
                </h5>
              </div>
            </div> 
            <div class="card">
              <div class="card-header">
                <h5 class="mb-0">
                  <button class="btn btn-link" data-toggle="collapse" data-target="#collapseThree" aria-expanded="true" aria-controls="collapseThree">
                    Collapsible Group Item #1
                  </button>
                </h5>
              </div>
            </div>
          </div>
          <div class="col-6">
              <div class="card">
                <div id="collapseOne" class="collapse show" aria-labelledby="headingOne" data-parent="#accordion">
                  <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 id="collapseTwo" class="collapse" aria-labelledby="headingTwo" data-parent="#accordion">
                  <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 id="collapseThree" class="collapse" aria-labelledby="headingThree" data-parent="#accordion">
                  <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>
        </div>
      </div>
    </div>
  </div>
</section>