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Bootstrap4 模态框
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Bootstrap4 模态框

2018-06-01 09:37:34 更新

模态框（Modal）是覆盖在父窗体上的子窗体。通常，使用模态框的目的是用来显示来自一个单独的源的内容，而且可以在不离开父窗体的情况下有一些互动。

模态框创建：

<!DOCTYPE html>
<html>
<head>
  <title>Bootstrap4 实例</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/4.1.0/css/bootstrap.min.css" rel="external nofollow" target="_blank"  rel="external nofollow" target="_blank"  rel="external nofollow" target="_blank" >
  <script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js" rel="external nofollow"  rel="external nofollow"  rel="external nofollow" ></script>
  <script src="https://cdn.bootcss.com/popper.js/1.12.5/umd/popper.min.js" rel="external nofollow"  rel="external nofollow"  rel="external nofollow" ></script>
  <script src="https://cdn.bootcss.com/bootstrap/4.1.0/js/bootstrap.min.js" rel="external nofollow"  rel="external nofollow"  rel="external nofollow" ></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 modal-sm">
      <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>

模态框尺寸

我们可以通过添加 .modal-sm 类来创建一个小模态框，.modal-lg 类可以创建一个大模态框。

尺寸类都放在 <div>元素的 .modal-dialog 类后 :

实例：实例 - 大模态框

<!DOCTYPE html>
<html>
<head>
  <title>Bootstrap4 实例</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/4.1.0/css/bootstrap.min.css" rel="external nofollow" target="_blank"  rel="external nofollow" target="_blank"  rel="external nofollow" target="_blank" >
  <script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js" rel="external nofollow"  rel="external nofollow"  rel="external nofollow" ></script>
  <script src="https://cdn.bootcss.com/popper.js/1.12.5/umd/popper.min.js" rel="external nofollow"  rel="external nofollow"  rel="external nofollow" ></script>
  <script src="https://cdn.bootcss.com/bootstrap/4.1.0/js/bootstrap.min.js" rel="external nofollow"  rel="external nofollow"  rel="external nofollow" ></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 modal-sm">
      <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>

实例 - 大模态框

<!DOCTYPE html>
<html>
<head>
  <title>Bootstrap4 实例</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/4.1.0/css/bootstrap.min.css" rel="external nofollow" target="_blank"  rel="external nofollow" target="_blank"  rel="external nofollow" target="_blank" >
  <script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js" rel="external nofollow"  rel="external nofollow"  rel="external nofollow" ></script>
  <script src="https://cdn.bootcss.com/popper.js/1.12.5/umd/popper.min.js" rel="external nofollow"  rel="external nofollow"  rel="external nofollow" ></script>
  <script src="https://cdn.bootcss.com/bootstrap/4.1.0/js/bootstrap.min.js" rel="external nofollow"  rel="external nofollow"  rel="external nofollow" ></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 modal-lg">
      <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>


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