Vue v-bind

 

 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <div id="app">
        <h1>{{msg}}</h1>
        <p>--------------------</p>
        <img v-bind:src="imgUrl" v-bind:alt="alt">
        <a v-bind:href="site">baidu</a>
        <p>--------简写------------</p>
        <img :src="imgUrl" :alt="alt">
        <a :href="site">baidu</a>
    </div>
    <script src="js/vue.3.2.2.js"></script>
    <script>
        // 1、创建Vue的实例对象
        const app = Vue.createApp({
            data(){//定义数据
                return {
                    msg:'你好!',
                    imgUrl:'https://img1.baidu.com/it/u=3333263520,4067079584&fm=26&fmt=auto&gp=0.jpg',
                    alt:'风景',
                    site:'http://www.baidu.com'
                }
            }
        }).mount('#app');
    </script>
</body>
</html>

 

 

 

 

 

 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .red{
            color:red;
        }

        .f60{
            font-size: 60px;
        }
    </style>
</head>
<body>
    <div id="app">
        <h1 class="red">{{msg}}</h1>
        <p>--------------------</p>
        <h1 :class="arg1">{{msg}}</h1>
        <p>--------------------</p>
        <h1 :class="{red:true,f60:true}">{{msg}}</h1>
        <h1 :class="getClass1()">{{msg}}</h1>
        <p>--------------------</p>
        <h1 class="box" :class="{red:isRed,f60:isF60}">{{msg}}</h1>
        <button @click="change">切换</button>
        <p>--------------------</p>
        <h1 :class="[arg1,arg2]">{{msg}}</h1>
        <h1 :class="getClass2()">{{msg}}</h1>
        <p>--------------------</p>
        <h1 style="font-size: 50px;">{{msg}}</h1>
        <h1 :style="{fontSize:'50px'}">{{msg}}</h1>
        <h1 :style="{fontSize:arg3,backgroundColor:'red'}">{{msg}}</h1>
        <h1 :style="getStyle()">{{msg}}</h1>
        <p>--------------------</p>
        <img v-bind:src="imgUrl" v-bind:alt="alt">
        <a v-bind:href="site">baidu</a>
        <p>--------简写------------</p>
        <img :src="imgUrl" :alt="alt">
        <a :href="site">baidu</a>
    </div>
    <script src="js/vue.3.2.2.js"></script>
    <script>
        // 1、创建Vue的实例对象
        const app = Vue.createApp({
            data(){//定义数据
                return {
                    msg:'你好!',
                    imgUrl:'https://img1.baidu.com/it/u=3333263520,4067079584&fm=26&fmt=auto&gp=0.jpg',
                    alt:'风景',
                    site:'http://www.baidu.com',
                    arg1:'red',
                    arg2:'f60',
                    arg3:'50px',
                    arg4:'red',
                    isRed: true,
                    isF60: false
                }
            },
            methods:{
                change(){
                    this.isRed = !this.isRed;
                    this.isF60 = !this.isF60;
                },
                getClass1(){
                    return {red:this.isRed,f60:this.isF60};
                },
                getClass2(){
                    return [this.arg1,this.arg2];
                },
                getStyle(){
                    return {fontSize:this.arg3,backgroundColor:this.arg4};
                }
            }

        }).mount('#app');
    </script>
</body>
</html>

 

posted @ 2021-08-15 16:41  残星  阅读(35)  评论(0编辑  收藏  举报