<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<style>
.blue{
color: blue;
}
.font{
font-size: 1.5rem;
}
.yellow{
color: yellow;
}
.black{
color: #dddddd;
}
</style>
</head>
<body>
<div id="app">
<p class="" v-bind:class="'font'">对象操作</p>
<p class="" v-bind:class="font">对象操作2</p>
<p class="" v-bind:class="{font:true,blue:true}">对象操作3</p>
<p class="" v-bind:class="['font']">数组</p>
<p class="" v-bind:class="[blue,font]">数组</p>
</div>
<script>
var app = new Vue({
el: '#app',
data: {
font:{
font:true,
yellow:true,
},
blue:'blue',
}
})
</script>
</body>
</html>
