什么是Bootstrap？

Bootstrap是一个web框架。Bootstrap，来自 Twitter，是目前很受欢迎的前端框架。Bootstrap 是基于 HTML、CSS、JAVASCRIPT 的，它简洁灵活，使得 Web 开发更加快捷。它由Twitter的设计师Mark Otto和Jacob Thornton合作开发，是一个CSS/HTML框架。Bootstrap提供了优雅的HTML和CSS规范，它即是由动态CSS语言Less写成。Bootstrap一经推出后颇受欢迎，一直是GitHub上的热门开源项目，包括NASA的MSNBC（微软全国广播公司）的Breaking News都使用了该项目。国内一些移动开发者较为熟悉的框架，如WeX5前端开源框架等，也是基于Bootstrap源码进行性能优化而来。

如何获取Bootstrap：

从http://v3.bootcss.com/网站下载bootstrap。

简单易上手的Bootstrap

将下载的压缩包解压后将下列3哥文件夹拷贝到D盘的的bootsrap-01文件夹下：

简单易上手的Bootstrap

注意：Bootstrap是基于jQuery的，所以js文件夹里还要放入一个jQuery文件，下载地址：http://jquery.com/

简单易上手的Bootstrap

然后新建一个pages文件夹（用于放编写的html文件），里面新建一个Demo.html文件，，用编辑器打开，写入如下代码：

<!DOCTYPE html>

<html lang="zh-CN">

<head>

<meta charset="utf-8">

<meta http-equiv="X-UA-Compatible" content="IE=edge">

<meta name="viewport" content="width=device-width, initial-scale=1">

<title>Bootstrap Demo</title>

 <!-- Bootstrap  CSS -->

<link href="../css/bootstrap.min.css" rel="stylesheet">

 <!-- Bootstrap  javascript -->

<script type="text/javascript" src="../js/jquery-3.2.1.js"></script>

<script type="text/javascript" src="../js/bootstrap.min.js"></script>

<script type="text/javascript">

</script>

<style type="text/css">

    .frame {

        margin:    0 auto;

        width:    1000px;

        height:    100%;

    }

</style>

</head>

<body>

    <div class="frame">

        <!-- Bootstrap 警告框 -->

        <div class="alert alert-success" role="alert">Well done! You successfully read this important alert message.</div>

        <div class="alert alert-info" role="alert">Well done! You successfully read this important alert message.</div>

        <div class="alert alert-warning" role="alert">Well done! You successfully read this important alert message.</div>

        <div class="alert alert-danger" role="alert">Well done! You successfully read this important alert message.</div>

        <!-- Bootstrap 进度条 -->

        <div class="progress">

            <div class="progress-bar progress-bar-info progress-bar-striped"

                role="progressbar" aria-valuenow="20" aria-valuemin="0"

                aria-valuemax="100" style="width: 20%">

                <span class="sr-only">20% Complete</span>

            </div>

        </div>

        <div class="progress">

            <div class="progress-bar progress-bar-warning progress-bar-striped"

                role="progressbar" aria-valuenow="60" aria-valuemin="0"

                aria-valuemax="100" style="width: 60%">

                <span class="sr-only">60% Complete (warning)</span>

            </div>

        </div>

        <div class="progress">

            <div class="progress-bar progress-bar-danger progress-bar-striped"

                role="progressbar" aria-valuenow="80" aria-valuemin="0"

                aria-valuemax="100" style="width: 80%">

                <span class="sr-only">80% Complete (danger)</span>

            </div>

        </div>

        <!-- Bootstrap 带情景效果的面板 -->

        <div class="panel panel-default">

            <div class="panel panel-heading">面板标题1</div>

            <div class="panel panel-body">面板内容1</div>

        </div>

        <div class="panel panel-primary">

            <div class="panel panel-heading">面板标题2</div>

            <div class="panel panel-body">面板内容2</div>

        </div>

        <div class="panel panel-info">

            <div class="panel panel-heading">面板标题3</div>

            <div class="panel panel-body">面板内容3</div>

        </div>

        <div class="panel panel-danger">

            <div class="panel panel-heading">面板标题4</div>

            <div class="panel panel-body">面板内容4</div>

        </div>

        <!--Bootstrap 图标-->

        <div>

            <span class="glyphicon glyphicon-phone" aria-hidden="true"></span>

        <span class="glyphicon glyphicon-thumbs-up" aria-hidden="true"></span>

        <span class="glyphicon glyphicon-qrcode" aria-hidden="true"></span>

        <span class="glyphicon glyphicon-camera" aria-hidden="true"></span>

        </div>

        <div class="alert alert-danger" role="alert">

          <span class="glyphicon glyphicon-exclamation-sign" aria-hidden="true"></span>

          <span class="sr-only">Error:</span>

          Enter a valid email address

        </div>

        <!--Bootstrap 巨幕-->

        <div class="jumbotron ">

            <div class="container">

                <div class="page-header">

                    <h1>Hello Bootstrap !</h1>

                </div>

                <p>

                    This is a  simple hero unit, a simple jumpbotron-style compoent for

                    calling extra attention to featured content or information.

                </p>

                <p>

                    <a class="btn btn-primary btn-1g" href="javascript:void(0)" role="button">Learn more</a>

                </p>

            </div>

        </div>

    </div>

</body>

</html>

执行效果如下：

简单易上手的Bootstrap

总结：Bootstrap框架给我的印象就是非常大方、简介、漂亮、易上手，希望小伙伴们好好学，该框架是目前公司里非常流行的一种框架。

转载请带上本文链接：http://www.cnblogs.com/stm32stm32/p/6973890.html

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简单易上手的Bootstrap

什么是Bootstrap？

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