引入文件
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title></title> <link ref="stylesheet" href="css/bootstrap.min.css" /> <script type="application/javascript" src="js/jquery-1.8.3.min.js"></script> <script type="application/javascript" src="js/bootstrap.min.js"></script> </head> <body> </body> </html>