<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>属性绑定</title>
</head>
<body>
    <div id="app">
        <h3>{{bookName}}</h3>
        <input type="text" v-bind:value="bookName">
    </div>

    <script src="../js/vue.js"></script>

    <script>
        let vm = new Vue({
            el:'#app',
            data:{
                bookName:'vue入门',
                url:'http://www.baidu.com',
            }
        });

    </script>
</body>
</html>