模板如下：
<!DOCTYPE html><html lang="en"> ?<head> ???<meta charset="utf-8"> ???<meta http-equiv="X-UA-Compatible" content="IE=edge"> ???<meta name="viewport" content="width=device-width, initial-scale=1"> ???<!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags --> ???<title>Bootstrap 101 Template</title> ???<!-- Bootstrap --> ???<link href="css/bootstrap.min.css" rel="stylesheet"> ???<!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries --> ???<!-- WARNING: Respond.js doesn‘t work if you view the page via file:// --> ???<!--[if lt IE 9]> ?????<script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script> ?????<script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script> ???<![endif]--> ?</head> ?<body> ???<h1>Hello, world!</h1> ???<!-- jQuery (necessary for Bootstrap‘s JavaScript plugins) --> ???<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script> ???<!-- Include all compiled plugins (below), or include individual files as needed --> ???<script src="js/bootstrap.min.js"></script> ?</body></html>
第一章 Bootstrasp起步
原文地址：https://www.cnblogs.com/xiaomulei/p/10091029.html