Bootstrap4引入了一個新的靈活和可擴(kuò)展的內(nèi)容容器card組件來代替舊的panel、well和thumbnail組件。它包括頁眉和頁腳選項、各種內(nèi)容、上下文背景顏色和強(qiáng)大的顯示選項。 在下面的部分中，您將看到如何使用card組件。
我們可以通過 Bootstrap4 的 .card 與 .card-body 類來創(chuàng)建一個簡單的卡片，示例如下:
<!DOCTYPE html> <html> <head> <title>Bootstrap 示例</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"> <h2>簡單的卡片</h2> <div class="card"> <div class="card-body">簡單的卡片</div> </div> </div> </body> </html>測試看看 ?/?
Bootstrap4 的卡片類似 Bootstrap 3 中的面板、圖片縮略圖、well。
.card-header類用于創(chuàng)建卡片的頭部樣式， .card-footer 類用于創(chuàng)建卡片的底部樣式：
<!DOCTYPE html> <html> <head> <title>Bootstrap 示例</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"> <h2>卡片頭部和底部</h2> <div class="card"> <div class="card-header">頭部</div> <div class="card-body">內(nèi)容</div> <div class="card-footer">底部</div> </div> </div> </body> </html>測試看看 ?/?
Bootstrap 4 提供了多種卡片的背景顏色類： .bg-primary, .bg-success, .bg-info, .bg-warning, .bg-danger, .bg-secondary, .bg-dark 和 .bg-light。
<!DOCTYPE html> <html> <head> <title>Bootstrap 示例</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"> <h2>多種顏色卡片</h2> <div class="card"> <div class="card-body">Basic card</div> </div> <br> <div class="card bg-primary text-white"> <div class="card-body">Primary card</div> </div> <br> <div class="card bg-success text-white"> <div class="card-body">Success card</div> </div> <br> <div class="card bg-info text-white"> <div class="card-body">Info card</div> </div> <br> <div class="card bg-warning text-white"> <div class="card-body">Warning card</div> </div> <br> <div class="card bg-danger text-white"> <div class="card-body">Danger card</div> </div> <br> <div class="card bg-secondary text-white"> <div class="card-body">Secondary card</div> </div> <br> <div class="card bg-dark text-white"> <div class="card-body">Dark card</div> </div> <br> <div class="card bg-light text-dark"> <div class="card-body">Light card</div> </div> </div> </body> </html>測試看看 ?/?
我們可以在頭部元素上使用 .card-title 類來設(shè)置卡片的標(biāo)題 。 .card-text 類用于設(shè)置卡片正文的內(nèi)容。 .card-link 類用于給鏈接設(shè)置顏色。
<!DOCTYPE html> <html> <head> <title>Bootstrap 示例</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"> <h2>標(biāo)題、文本和鏈接</h2> <div class="card"> <div class="card-body"> <h4 class="card-title">Card title</h4> <p class="card-text">Some example text. Some example text.</p> <a href="#" class="card-link">Card link</a> <a href="#" class="card-link">Another link</a> </div> </div> </div> </body> </html>測試看看 ?/?
我們可以給 <img> 添加 .card-img-top（圖片在文字上方） 或 .card-img-bottom（圖片在文字下方 來設(shè)置圖片卡片：
<!DOCTYPE html> <html> <head> <title>Bootstrap 示例</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"> <h2>圖片卡片</h2> <p>圖片在頭部 (card-img-top):</p> <div class="card" style="width:400px"> <img class="card-img-top" src="https://static.(cainiaoplus.com)/images/mix/img_avatar.png" alt="Card image" style="width:100%"> <div class="card-body"> <h4 class="card-title">John Doe</h4> <p class="card-text">Some example text some example text. John Doe is an architect and engineer</p> <a href="#" class="btn btn-primary">See Profile</a> </div> </div> <br> <p>圖片在底部(card-img-bottom):</p> <div class="card" style="width:400px"> <div class="card-body"> <h4 class="card-title">Jane Doe</h4> <p class="card-text">Some example text some example text. Jane Doe is an architect and engineer</p> <a href="#" class="btn btn-primary">See Profile</a> </div> <img class="card-img-bottom" src="https://static.(cainiaoplus.com)/images/mix/img_avatar.png" alt="Card image" style="width:100%"> </div> </div> </body> </html>測試看看 ?/?
如果圖片要設(shè)置為背景，可以使用 .card-img-overlay 類:
<!DOCTYPE html> <html> <head> <title>Bootstrap 示例</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"> <h2>文字覆蓋圖片</h2> <p>如果圖片要設(shè)置為背景，可以使用 .card-img-overlay 類:</p> <div class="card img-fluid" style="width:500px"> <img class="card-img-top" src="https://static.(cainiaoplus.com)/images/mix/img_avatar.png" alt="Card image" style="width:100%"> <div class="card-img-overlay"> <h4 class="card-title">John Doe</h4> <p class="card-text">Some example text some example text. Some example text some example text. Some example text some example text. Some example text some example text.</p> <a href="#" class="btn btn-primary">See Profile</a> </div> </div> </div> </body> </html>測試看看 ?/?