<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="../js/vue.js"></script>
<style>
.a{
color:red;
}
.b{
font-size:16px;
}
.x{
font-size:20px;
}
</style>
</head>
<body>
<div id="app">
<h1>{{message}}</h1>
<img :title="img_title" v-bind:src="img_url">
<h1 :class="'a' + ' ' + 'b'">HAHA</h1>
<h1 :class="[arg1,arg2]">HAHA</h1>
<h1 :class="arg1">HAHA</h1>
<h1 :class="{arg1:true,arg2:true}">HAHA</h1>
<h1 :class="{a:true,b:true}">HAHA</h1>
<h1 class="x" :class="{a:arg1_flag,b:arg2_flag}">HAHA</h1>
<h1 :class="getClass()">HAHA</h1>
<p>----------------------------------------------------</p>
<h1 :style="{fontSize:'50px'}">XIXI</h1>
<h1 :style="{fontSize: v50}">XIXI</h1>
</div>
<script>
const app = Vue.createApp({
data() {
return {
message: 'Mr.Door',
img_url: 'https://img-home.csdnimg.cn/images/20201124032511.png',
img_title: 'csdn',
arg1: 'a',
arg2: 'b',
arg1_flag: true,
arg2_flag: 0,
v50: '50px'
}
},
methods: {
getClass() {
return {a : this.arg1_flag, b : this.arg2_flag}
}
}
}).mount('#app')
</script>
</body>
</html>