vue基础案例1

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<!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 101 Template</title>    <style>        *{            margin: 0;            padding: 0;        }        body{            font:15px/1.3 'Open Sans',sans-serif;            color: #5e5b64;            text-align: center;        }        a,a:visited{            outline:none;            color: #389dc1;        }        a:hover{            text-decoration: none;        }        section,footer,header,aside,nav{            display:block;        }        /* The menu */        nav{            display: inline-block;            margin: 60px auto 45px;            background-color: #5597b4;            box-shadow: 0 1px 1px #ccc;            border-radius: 2px;        }        nav a{            display: inline-block;            padding: 18px 30px;            color: #fff !important;            font-weight: bold;            font-size: 16px;            text-decoration: none !important;            line-height: 1;            text-transform: uppercase;            background-color:transparent;            -webkit-transition: background-color 0.25s;            -moz-transition: background-color 0.25s;            transition: background-color 0.25s;        }        nav a:first-child{            border-radius: 2px 0 0 2px;        }        nav a:last-child{            border-radius: 0px 2px 2px 0px;        }        nav.home .home,        nav.projects .projects,        nav.services .services,        nav.contact .contact{            background-color: #e35885;        }        p{            font-size: 22px;            font-weight: bold;            color: #7d9098;        }        p b{            color: #fff;            display: inline-block;            padding: 5px 10px;            background-color: #c4d7e0;            border-radius: 2px;            text-decoration: uppercase;            font-size: 18px;        }    </style>    <!-- 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://cdn.bootcss.com/html5shiv/3.7.3/html5shiv.min.js"></script>      <script src="https://cdn.bootcss.com/respond.js/1.4.2/respond.min.js"></script>    <![endif]-->  </head>  <body>    <div id="main">        <nav :class="active" @click.prevent>            <a href="#" class="home" @click="makeActive('home')">Home</a>            <a href="#" class="projects" @click="makeActive('projects')">Projects</a>             <a href="#" class="services" @click="makeActive('services')">Services</a>            <a href="#" class="contact" @click="makeActive('contact')">Contact</a>        </nav>        <p>You chose <b>{{active}}</b></p>    </div>   <script src="http://cdnjs.cloudflare.com/ajax/libs/vue/1.0.16/vue.js"></script>   <script>        var vue = new Vue({            el:"#main",            data:{                active:"home"            },            methods:{                makeActive:function(item){                    this.active = item;                }            }        });   </script>  </body></html>
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