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How to set up modal box in bootstrap4

(*-*)浩Original: 2019-07-12 09:58:022594browse

Modal box is a subform covering the parent form. Typically, the purpose is to display content from a separate source that can have some interaction without leaving the parent form. Subforms can provide information interaction, etc.

#For example, open a modal by clicking a button. (Recommended learning: Bootstrap video tutorial)

<!DOCTYPE html>
<html>
<head>
  <title>Bootstrap 实例</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.1.0/css/bootstrap.min.css">
  <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>
  <script src="https://cdn.staticfile.org/popper.js/1.12.5/umd/popper.min.js"></script>
  <script src="https://cdn.staticfile.org/twitter-bootstrap/4.1.0/js/bootstrap.min.js"></script>
</head>
<body>

<div class="container">
  <h2>模态框实例</h2>
  <!-- 按钮：用于打开模态框 -->
  <button type="button" class="btn btn-primary" data-toggle="modal" data-target="#myModal">
    打开模态框
  </button>
   
  <!-- 模态框 -->
  <div class="modal fade" id="myModal">
    <div class="modal-dialog">
      <div class="modal-content">
   
        <!-- 模态框头部 -->
        <div class="modal-header">
          <h4 class="modal-title">模态框头部</h4>
          <button type="button" class="close" data-dismiss="modal">&times;</button>
        </div>
   
        <!-- 模态框主体 -->
        <div class="modal-body">
          模态框内容..
        </div>
   
        <!-- 模态框底部 -->
        <div class="modal-footer">
          <button type="button" class="btn btn-secondary" data-dismiss="modal">关闭</button>
        </div>
   
      </div>
    </div>
  </div>
  
</div>

</body>
</html>

We can create a small modal box by adding the .modal-sm class, and the .modal-lg class can Create a large modal.

The size class is placed after the .modal-dialog class of the

element:

For more Bootstrap related technical articles, please visit Bootstrap Tutorial column to learn!

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