编程教程示范演示-小库网

Bootstrap Example</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.1/dist/css/bootstrap.min.css" rel="stylesheet">
  <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.1/dist/js/bootstrap.bundle.min.js"></script>

<div class="container mt-3">
  <h3>水平和垂直方向都居中显示</h3>
  <p>点击按钮打开模态框</p>
  
  <button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#myModal">
    打开模态框
  </button>
</div>
 

<div class="modal" id="myModal">
  <div class="modal-dialog modal-dialog-centered">
    <div class="modal-content">
 
      
      <div class="modal-header">
        <h4 class="modal-title">模态框标题</h4>
        <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
      </div>
 
      
      <div class="modal-body">
        模态框内容..
      </div>
 
      
      <div class="modal-footer">
        <button type="button" class="btn btn-danger" data-bs-dismiss="modal">关闭</button>
      </div>
 
    </div>
  </div>
</div>