如何在django中添加警报弹出框？

<link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.6.0/css/bootstrap.min.css">
<script src="https://cdn.staticfile.org/jquery/3.6.0/jquery.min.js"></script>
<script src="https://cdn.staticfile.org/twitter-bootstrap/4.6.0/js/bootstrap.min.js"></script>

<button class="btn btn-primary" onclick="showAlert()">显示警报</button>

<script>
function showAlert() {
    alert("这是一个警报弹出框！");
}
</script>

<button class="btn btn-primary" data-toggle="modal" data-target="#alertModal">显示警报</button>

<div class="modal fade" id="alertModal" tabindex="-1" role="dialog" aria-labelledby="alertModalLabel" aria-hidden="true">
  <div class="modal-dialog" role="document">
    <div class="modal-content">
      <div class="modal-header">
        <h5 class="modal-title" id="alertModalLabel">警报</h5>
        <button type="button" class="close" data-dismiss="modal" aria-label="Close">
          <span aria-hidden="true">&times;</span>
        </button>
      </div>
      <div class="modal-body">
        这是一个警报弹出框！
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-secondary" data-dismiss="modal">关闭</button>
      </div>
    </div>
  </div>
</div>