Bootstrap 5:选择菜单


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选择菜单


如果您希望允许用户从多个选项中进行选择,则可以使用选择菜单。

要在 Bootstrap 5 中设置选择菜单的样式,请将 .form-select 类添加到 <select> 元素:

例子

<select class="form-select">
  <option>1</option>
  <option>2</option>
  <option>3</option>
  <option>4</option>
</select>

自己尝试一下 →

<!DOCTYPE html>
<html lang="en">
<head>
  <title>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@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
  <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>

<div class="container mt-3">
  <h2>Select Menu</h2>
  <p>To style a select menu in Bootstrap 5, add the .form-select class to the select element:</p>
  <form action="/action_page.php">
    <label for="sel1" class="form-label">Select list (select one):</label>
    <select class="form-select" id="sel1" name="sellist1">
      <option>1</option>
      <option>2</option>
      <option>3</option>
      <option>4</option>
    </select>
    <br>
    
    <label for="sel2" class="form-label">Mutiple select list (hold shift to select more than one):</label>
    <select multiple class="form-select" id="sel2" name="sellist2">
      <option>1</option>
      <option>2</option>
      <option>3</option>
      <option>4</option>
      <option>5</option>
    </select>
    <button type="submit" class="btn btn-primary mt-3">Submit</button>
  </form>
</div>

</body>
</html>

选择菜单大小



使用 .form-select-lg.form-select-sm 类来更改选择菜单:

例子

<select class="form-select form-select-lg">
<select class="form-select">
<select class="form-select form-select-sm">

自己尝试一下 →

<!DOCTYPE html>
<html lang="en">
<head>
  <title>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@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
  <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>

<div class="container mt-3">
  <h2>Select Menu Size</h2>
  <p>Use the .form-select-lg or .form-select-sm class to change the size of the select menu:</p>
  <form>
   <select class="form-select form-select-lg">
     <option>1</option>
     <option>2</option>
     <option>3</option>
     <option>4</option>
   </select>
   
   <select class="form-select mt-3">
     <option>1</option>
     <option>2</option>
     <option>3</option>
     <option>4</option>
   </select>
   
   <select class="form-select form-select-sm mt-3">
     <option>1</option>
     <option>2</option>
     <option>3</option>
     <option>4</option>
   </select>
  </form>    
</div>

</body>
</html>

禁用选择菜单

使用 disabled 属性禁用选择菜单:

例子

<select class="form-select" disabled>
  <option>1</option>
  <option>2</option>
  <option>3</option>
  <option>4</option>
</select>

自己尝试一下→

<!DOCTYPE html>
<html lang="en">
<head>
  <title>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@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
  <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>

<div class="container mt-3">
  <h2>Select Menu Size</h2>
  <p>Use the disabled attribute to disable the select menu:</p>
  <form>
   <select class="form-select" disabled>
     <option>1</option>
     <option>2</option>
     <option>3</option>
     <option>4</option>
   </select>
  </form>    
</div>

</body>
</html>

数据列表

Bootstrap 还将设置数据列表的样式,这是 <input> 元素的预定义选项列表:

例子

<label for="browser" class="form-label">Choose your browser from the list:</label>
<input class="form-control" list="browsers" name="browser" id="browser">
<datalist id="browsers">
  <option value="Edge">
  <option value="Firefox">
  <option value="Chrome">
  <option value="Opera">
  <option value="Safari">
</datalist>

自己尝试一下→

<!DOCTYPE html>
<html lang="en">
<head>
  <title>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@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
  <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
</head>
<body>

<div class="container mt-3">
  <h2>Data List</h2>
  <form action="/action_page.php">
    <label for="browser" class="form-label">Choose your browser from the list:</label>
    <input class="form-control" list="browsers" name="browser" id="browser">
    <datalist id="browsers">
      <option value="Edge">
      <option value="Firefox">
      <option value="Chrome">
      <option value="Opera">
      <option value="Safari">
    </datalist>    
    <button type="submit" class="btn btn-primary mt-3">Submit</button>
  </form>
</div>

</body>
</html>