Accordian在Bootstrap 4中不起作用

Question

我正在一个Bootstrap网站上，我试图实现一个手风琴，但是它不起作用。我已经实现了代码，而单击时根本没有打开不同的卡。

<div id="accordion">
            <div class="card">
                <div class="card-header" role="tab" id="peterhead">
                <h3 class="mb-0">
                    <a data-toggle="collapse" data-target="#peter">
                        Peter Pan <small>Chief Epicurious Officer</small>
                    </a>
                </h3>
                </div>
                <div  class="collapse show" id="peter" data-parent="#accordion">
                <div class="card-body">
                    <p class="d-none d-sm-block">Our CEO, Peter, credits his hardworking East Asian immigrant parents who undertook the arduous journey to the shores of America with the intention of giving their children the best future. His mother's wizardy in the kitchen whipping up the tastiest dishes with whatever is available inexpensively at the supermarket, was his first inspiration to create the fusion cuisines for which <em>The Frying Pan</em> became well known. He brings his zeal for fusion cuisines to this restaurant, pioneering cross-cultural culinary connections.</p>
                </div>
                </div>
            </div>

            <div class="card">
                <div class="card-header" role="tab" id="dannyhead">
                    <h3 class="mb-0"><a class="collapsed" data-toggle="collapse" data-target="#danny">
                        Dhanasekaran Witherspoon <small>Chief Food Officer</small>
                    </a></h3>
                </div>
                <div class="collapse" id="danny" data-parent="#accordion">
                    <div class="card-body">
                        <p class="d-none d-sm-block">Our CFO, Danny, as he is affectionately referred to by his colleagues, comes from a long established family tradition in farming and produce. His experiences growing up on a farm in the Australian outback gave him great appreciation for varieties of food sources. As he puts it in his own words, <em>Everything that runs, wins, and everything that stays, pays!</em></p>
                    </div>
                </div>
            </div>
            <div class="card">
                <div class="card-header" role="tab" id="agumbahead">
                    <h3 class="mb-0">
                    <a class="collapsed" data-toggle="collapse" data-target="#agumbe">
                        Agumbe Tang <small>Chief Taste Officer</small>
                    </a>
                </h3>
                </div>
                <div class="collapse" id="agumbe" data-parent="#accordion">
                    <div class="card-body">
                        <p class="d-none d-sm-block">Blessed with the most discerning gustatory sense, Agumbe, our CTO, personally ensures that every dish that we serve meets his exacting tastes. Our chefs dread the tongue lashing that ensues if their dish does not meet his exacting standards. He lives by his motto, <em>You click only if you survive my lick.</em></p>
                    </div>
                </div>
            </div>
            <div class="card">
                <div class="card-header" role="tab" id="agumbahead">
                    <h3 class="mb-0">
                    <a class="collapsed" data-toggle="collapse" data-target="#agumbe">
                        Alberto Somayya <small>Executive Chef</small>
                    </a>

                </h3>
                </div>
                <div class="collapse" id="agumbe" data-parent="#accordion">
                    <div class="card-body">
                        <p class="d-none d-sm-block">Award winning three-star Michelin chef with wide International experience having worked closely with whos-who in the culinary world, he specializes in creating mouthwatering Indo-Italian fusion experiences. He says, <em>Put together the cuisines from the two craziest cultures, and you get a winning hit! Amma Mia!</em></p>
                    </div>
                </div>
            </div>



            </div>

这是此部分的屏幕截图。看到它根本无法打开或关闭。好像链接不起作用

Answer 1

包括引导CSS路径和相关脚本路径后，手风琴按预期工作。

<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css" integrity="sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk" crossorigin="anonymous">

<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js" integrity="sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI" crossorigin="anonymous"></script>

<div id="accordion">
  <div class="card">
    <div class="card-header" role="tab" id="peterhead">
      <h3 class="mb-0">
        <a data-toggle="collapse" data-target="#peter">
                        Peter Pan <small>Chief Epicurious Officer</small>
                    </a>
      </h3>
    </div>
    <div class="collapse show" id="peter" data-parent="#accordion">
      <div class="card-body">
        <p class="d-none d-sm-block">Our CEO, Peter, credits his hardworking East Asian immigrant parents who undertook the arduous journey to the shores of America with the intention of giving their children the best future. His mother's wizardy in the kitchen whipping up the tastiest
          dishes with whatever is available inexpensively at the supermarket, was his first inspiration to create the fusion cuisines for which <em>The Frying Pan</em> became well known. He brings his zeal for fusion cuisines to this restaurant, pioneering
          cross-cultural culinary connections.</p>
      </div>
    </div>
  </div>

  <div class="card">
    <div class="card-header" role="tab" id="dannyhead">
      <h3 class="mb-0"><a class="collapsed" data-toggle="collapse" data-target="#danny">
                        Dhanasekaran Witherspoon <small>Chief Food Officer</small>
                    </a></h3>
    </div>
    <div class="collapse" id="danny" data-parent="#accordion">
      <div class="card-body">
        <p class="d-none d-sm-block">Our CFO, Danny, as he is affectionately referred to by his colleagues, comes from a long established family tradition in farming and produce. His experiences growing up on a farm in the Australian outback gave him great appreciation for varieties
          of food sources. As he puts it in his own words, <em>Everything that runs, wins, and everything that stays, pays!</em></p>
      </div>
    </div>
  </div>
  <div class="card">
    <div class="card-header" role="tab" id="agumbahead">
      <h3 class="mb-0">
        <a class="collapsed" data-toggle="collapse" data-target="#agumbe">
                        Agumbe Tang <small>Chief Taste Officer</small>
                    </a>
      </h3>
    </div>
    <div class="collapse" id="agumbe" data-parent="#accordion">
      <div class="card-body">
        <p class="d-none d-sm-block">Blessed with the most discerning gustatory sense, Agumbe, our CTO, personally ensures that every dish that we serve meets his exacting tastes. Our chefs dread the tongue lashing that ensues if their dish does not meet his exacting standards. He
          lives by his motto, <em>You click only if you survive my lick.</em></p>
      </div>
    </div>
  </div>
  <div class="card">
    <div class="card-header" role="tab" id="agumbahead">
      <h3 class="mb-0">
        <a class="collapsed" data-toggle="collapse" data-target="#agumbe">
                        Alberto Somayya <small>Executive Chef</small>
                    </a>

      </h3>
    </div>
    <div class="collapse" id="agumbe" data-parent="#accordion">
      <div class="card-body">
        <p class="d-none d-sm-block">Award winning three-star Michelin chef with wide International experience having worked closely with whos-who in the culinary world, he specializes in creating mouthwatering Indo-Italian fusion experiences. He says, <em>Put together the cuisines from the two craziest cultures, and you get a winning hit! Amma Mia!</em></p>
      </div>
    </div>
  </div>
</div>