要创建随页面滚动的导航栏，请添加.navbar-static-top类。此类不需要将填充添加到<body>。
<!DOCTYPE html> <html> <head> <title>Bootstrap Example</title> <link href = "/bootstrap/css/bootstrap.min.css" rel = "stylesheet"> <script src = "/scripts/jquery.min.js"></script> <script src = "/bootstrap/js/bootstrap.min.js"></script> </head> <body> <nav class = "navbar navbar-default navbar-static-top" role = "navigation"> <div class = "navbar-header"> <a class = "navbar-brand" href = "#">Car Accessories</a> </div> <div> <ul class = "nav navbar-nav"> <li class = "active"><a href = "#">Car Cover</a></li> <li><a href = "#">Car Mobile Holder</a></li> <li><a href = "#">Car Mobile Charger</a></li> </ul> </div> </nav> </body> </html>