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源代码
在线运行
<!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/4.1.0/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/1.12.5/umd/popper.min.js"></script> <script src="https://cdn.staticfile.org/twitter-bootstrap/4.1.0/js/bootstrap.min.js"></script> </head> <body> <div class="container"> <h3>不同颜色导航栏</h3> <p>对于暗色背景需要设置文本颜色为浅色的，对于浅色背景需要设置文本颜色为深色的。</p> </div> <nav class="navbar navbar-expand-sm bg-light navbar-light"> <ul class="navbar-nav"> <li class="nav-item active"> <a class="nav-link" href="#">Active</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link disabled" href="#">Disabled</a> </li> </ul> </nav> <nav class="navbar navbar-expand-sm bg-dark navbar-dark"> <ul class="navbar-nav"> <li class="nav-item active"> <a class="nav-link" href="#">Active</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link disabled" href="#">Disabled</a> </li> </ul> </nav> <nav class="navbar navbar-expand-sm bg-primary navbar-dark"> <ul class="navbar-nav"> <li class="nav-item active"> <a class="nav-link" href="#">Active</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link disabled" href="#">Disabled</a> </li> </ul> </nav> <nav class="navbar navbar-expand-sm bg-success navbar-dark"> <ul class="navbar-nav"> <li class="nav-item active"> <a class="nav-link" href="#">Active</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link disabled" href="#">Disabled</a> </li> </ul> </nav> <nav class="navbar navbar-expand-sm bg-info navbar-dark"> <ul class="navbar-nav"> <li class="nav-item active"> <a class="nav-link" href="#">Active</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link disabled" href="#">Disabled</a> </li> </ul> </nav> <nav class="navbar navbar-expand-sm bg-warning navbar-dark"> <ul class="navbar-nav"> <li class="nav-item active"> <a class="nav-link" href="#">Active</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link disabled" href="#">Disabled</a> </li> </ul> </nav> <nav class="navbar navbar-expand-sm bg-danger navbar-dark"> <ul class="navbar-nav"> <li class="nav-item active"> <a class="nav-link" href="#">Active</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link disabled" href="#">Disabled</a> </li> </ul> </nav> <nav class="navbar navbar-expand-sm bg-secondary navbar-dark"> <ul class="navbar-nav"> <li class="nav-item active"> <a class="nav-link" href="#">Active</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item"> <a class="nav-link disabled" href="#">Disabled</a> </li> </ul> </nav> </body> </html>
动行结果
