class绑定对象改进版

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../js/vue.js"></script>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        div{
            width: 200px;
            height: 200px;
            line-height: 200px;
            background-color: burlywood;
            margin: 0 auto;
            text-align: center;
        }
        .red{
            color:red;
        }
        .font{
            font-size: 30px;
        }

    </style>
</head>
<body>
    <div id="app">
        <!-- 属性也可以为对象名 -->
        <p :class="classObject">hello Vue</p>
    </div>
    <script>
        var vm=new Vue(
            {
                el:"#app",
                data:{
                    classObject:{
                      red:true,
                      font:true,
                    }
                }
            }
        );
    </script>
</body>
</html>
posted @ 2020-03-03 22:13  玄空2  阅读(148)  评论(0编辑  收藏  举报