Vue —— Class对象绑定

  • v-bind:class
为html标记绑定样式单class对象
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>class_object.html</title>
    <script src="../js/vue.js"></script>
    <link type="text/css" rel="styleSheet" href="../css/style.css" >
</head>

<body>
    <div id="example">
        <p :class="my_class">蓝色文本信息</p>
        <button @click="btnclick">改变颜色</button>
        <button @click="btnclick1()">改变字体</button>
    </div>
</body>
<script>
    new Vue({
        el: "#example",
        data: {
            //建立了class的对象，也就是标签选择的class组合成一个对象，可以同时操作多个class
            my_class: {
                active: true,
                big: false
            }
        },
        methods: {
            //就是普通的java逻辑
            btnclick: function() {
                if(this.my_class.active) {
                    this.my_class.active = false;
                }else {
                    this.my_class.active = true;
                }
            },
            btnclick1: function() {
                if(this.my_class.big) {
                    this.my_class.big = false;
                }else {
                    this.my_class.big = true;
                }
            }
        }
    });
</script>
</html>

 

posted @ 2020-10-24 09:26  a最简单  阅读(665)  评论(0)    收藏  举报