<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title></title>
    <script src="js/vue.js"></script>
</head>
<body>
<div id="app">
    <p v-if="score>90">优秀</p>
    <p v-else-if="score>=80">良好</p>
    <p v-else-if="score>=60">及格</p>
    <p v-else>不及格</p>
</div>

<script>
    // 创建Vue的实例
    let app = new Vue({
        el: '#app',
        data: {
            score:96
        }
    })
</script>
</body>
</html>