在 Bootstrap 4 的不同螢幕上從開始處對專案進行單行對齊


在 Bootstrap 4 中使用 .align-items-*-start 類從開始處對不同螢幕上的專案進行單行對齊。

對於不同的螢幕尺寸,使用類如下 -

在小螢幕上對專案進行單行對齊

<div class="d-flex flex-wrap align-items-sm-start bg-secondary" style="height:200px">
  <div class="p-2 border">Product 1</div>
  <div class="p-2 border">Product 2</div>
  <div class="p-2 border">Product 3</div>
  <div class="p-2 border">Product 4</div>
</div>

在中螢幕上對專案進行單行對齊

<div class="d-flex flex-wrap align-items-md-start bg-primary" style="height:200px">
  <div class="p-2 border">Product 1</div>
  <div class="p-2 border">Product 2</div>
  <div class="p-2 border">Product 3</div>
  <div class="p-2 border">Product 4</div>
</div>

在寬螢幕上對專案進行單行對齊

<div class="d-flex flex-wrap align-items-lg-start bg-info" style="height:200px">
  <div class="p-2 border">Product 1</div>
  <div class="p-2 border">Product 2</div>
  <div class="p-2 border">Product 3</div>
  <div class="p-2 border">Product 4</div>
</div>

以下是在不同螢幕上從開始處對專案進行單行對齊的一個示例 -

示例

即時演示

<!DOCTYPE html>
<html>
  <head>
    <title>Bootstrap Example</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
  </head>
  <body>
    <div class="container mt-3">
      <h1>Align Flex Items on a single row</h1>
      <div class="d-flex flex-wrap align-items-start bg-primary" style="height:200px">
        <div class="p-2 border">Product 1</div>
        <div class="p-2 border">Product 2</div>
        <div class="p-2 border">Product 3</div>
        <div class="p-2 border">Product 4</div>
      </div>
      <h2>Small Screen Size</h2>
      <div class="d-flex flex-wrap align-items-sm-start bg-secondary" style="height:200px">
        <div class="p-2 border">Product 1</div>
        <div class="p-2 border">Product 2</div>
        <div class="p-2 border">Product 3</div>
        <div class="p-2 border">Product 4</div>
      </div>
      <h2>Medium Screen Size</h2>
      <div class="d-flex flex-wrap align-items-md-start bg-primary" style="height:200px">
        <div class="p-2 border">Product 1</div>
        <div class="p-2 border">Product 2</div>
        <div class="p-2 border">Product 3</div>
        <div class="p-2 border">Product 4</div>
      </div>
      <h2>Large Screen Size</h2>
      <div class="d-flex flex-wrap align-items-lg-start bg-info" style="height:200px">
        <div class="p-2 border">Product 1</div>
        <div class="p-2 border">Product 2</div>
        <div class="p-2 border">Product 3</div>
        <div class="p-2 border">Product 4</div>
      </div>
   </div>

</body>
</html>

更新於: 15-6 月-2020

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