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<!DOCTYPE html> <html> <head> <title>Bootstrap5 实例</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link href="https://cdn.staticfile.org/twitter-bootstrap/5.1.1/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.staticfile.org/twitter-bootstrap/5.1.1/js/bootstrap.bundle.min.js"></script> </head> <body> <a class="btn btn-primary" data-bs-toggle="offcanvas" href="#offcanvasExample" role="button" aria-controls="offcanvasExample"> 使用链接的 href 属性 </a> <button class="btn btn-primary" type="button" data-bs-toggle="offcanvas" data-bs-target="#offcanvasExample" aria-controls="offcanvasExample"> 按钮中使用 data-bs-target </button> <div class="offcanvas offcanvas-start" tabindex="-1" id="offcanvasExample" aria-labelledby="offcanvasExampleLabel"> <div class="offcanvas-header"> <h5 class="offcanvas-title" id="offcanvasExampleLabel">侧边栏</h5> <button type="button" class="btn-close text-reset" data-bs-dismiss="offcanvas" aria-label="Close"></button> </div> <div class="offcanvas-body"> <div> Some text as placeholder. In real life you can have the elements you have chosen. Like, text, images, lists, etc. </div> <div class="dropdown mt-3"> <button class="btn btn-secondary dropdown-toggle" type="button" id="dropdownMenuButton" data-bs-toggle="dropdown"> Dropdown button </button> <ul class="dropdown-menu" aria-labelledby="dropdownMenuButton"> <li><a class="dropdown-item" href="#">Action</a></li> <li><a class="dropdown-item" href="#">Another action</a></li> <li><a class="dropdown-item" href="#">Something else here</a></li> </ul> </div> </div> </div> </body> </html>
运行结果：