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<!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/4.3.1/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/1.15.0/umd/popper.min.js"></script> <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script> </head> <body> <div class="container mt-3"> <h2>包裹</h2> <p>弹性容器中包裹弹性子元素可以使用以下三个类： .flex-nowrap (默认), .flex-wrap 或 .flex-wrap-reverse:</p> <p><code>.flex-wrap:</code></p> <div class="d-flex flex-wrap bg-light"> <div class="p-2 border">Flex item 1</div> <div class="p-2 border">Flex item 2</div> <div class="p-2 border">Flex item 3</div> <div class="p-2 border">Flex item 4</div> <div class="p-2 border">Flex item 5</div> <div class="p-2 border">Flex item 6</div> <div class="p-2 border">Flex item 7</div> <div class="p-2 border">Flex item 8</div> <div class="p-2 border">Flex item 9</div> <div class="p-2 border">Flex item 10</div> <div class="p-2 border">Flex item 11</div> <div class="p-2 border">Flex item 12</div> <div class="p-2 border">Flex item 13 </div> <div class="p-2 border">Flex item 14</div> <div class="p-2 border">Flex item 15</div> <div class="p-2 border">Flex item 16</div> <div class="p-2 border">Flex item 17</div> <div class="p-2 border">Flex item 18</div> <div class="p-2 border">Flex item 19</div> <div class="p-2 border">Flex item 20</div> <div class="p-2 border">Flex item 21</div> <div class="p-2 border">Flex item 22</div> <div class="p-2 border">Flex item 23</div> <div class="p-2 border">Flex item 24</div> <div class="p-2 border">Flex item 25</div> </div> <br> <p><code>.flex-wrap-reverse:</code></p> <div class="d-flex flex-wrap-reverse bg-light"> <div class="p-2 border">Flex item 1</div> <div class="p-2 border">Flex item 2</div> <div class="p-2 border">Flex item 3</div> <div class="p-2 border">Flex item 4</div> <div class="p-2 border">Flex item 5</div> <div class="p-2 border">Flex item 6</div> <div class="p-2 border">Flex item 7</div> <div class="p-2 border">Flex item 8</div> <div class="p-2 border">Flex item 9</div> <div class="p-2 border">Flex item 10</div> <div class="p-2 border">Flex item 11</div> <div class="p-2 border">Flex item 12</div> <div class="p-2 border">Flex item 13 </div> <div class="p-2 border">Flex item 14</div> <div class="p-2 border">Flex item 15</div> <div class="p-2 border">Flex item 16</div> <div class="p-2 border">Flex item 17</div> <div class="p-2 border">Flex item 18</div> <div class="p-2 border">Flex item 19</div> <div class="p-2 border">Flex item 20</div> <div class="p-2 border">Flex item 21</div> <div class="p-2 border">Flex item 22</div> <div class="p-2 border">Flex item 23</div> <div class="p-2 border">Flex item 24</div> <div class="p-2 border">Flex item 25</div> </div> <br> <p><code>.flex-nowrap:</code></p> <div class="d-flex flex-nowrap bg-light"> <div class="p-2 border">Flex item 1</div> <div class="p-2 border">Flex item 2</div> <div class="p-2 border">Flex item 3</div> <div class="p-2 border">Flex item 4</div> <div class="p-2 border">Flex item 5</div> <div class="p-2 border">Flex item 6</div> <div class="p-2 border">Flex item 7</div> <div class="p-2 border">Flex item 8</div> <div class="p-2 border">Flex item 9</div> <div class="p-2 border">Flex item 10</div> <div class="p-2 border">Flex item 11</div> <div class="p-2 border">Flex item 12</div> <div class="p-2 border">Flex item 13 </div> <div class="p-2 border">Flex item 14</div> <div class="p-2 border">Flex item 15</div> <div class="p-2 border">Flex item 16</div> <div class="p-2 border">Flex item 17</div> <div class="p-2 border">Flex item 18</div> <div class="p-2 border">Flex item 19</div> <div class="p-2 border">Flex item 20</div> <div class="p-2 border">Flex item 21</div> <div class="p-2 border">Flex item 22</div> <div class="p-2 border">Flex item 23</div> <div class="p-2 border">Flex item 24</div> <div class="p-2 border">Flex item 25</div> <div class="p-2 border">Flex item 26</div> <div class="p-2 border">Flex item 27</div> <div class="p-2 border">Flex item 28</div> <div class="p-2 border">Flex item 29</div> <div class="p-2 border">Flex item 30</div> <div class="p-2 border">Flex item 31</div> <div class="p-2 border">Flex item 32</div> <div class="p-2 border">Flex item 33</div> <div class="p-2 border">Flex item 34</div> <div class="p-2 border">Flex item 35</div> </div> <br> </div> </body> </html>
运行结果