<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>Document</title>
</head>
<body>
<div id="app">
<p>输入对应成绩的等级是：</p>
<p v-if='score>=90'>优秀</p>
<p v-else-if='score>=75'>良好</p>
<p v-else-if='score>=60'>及格</p>
<p v-else>不及格</p>
<input type="text" v-model='score'>
</div>
<script type="text/javascript" src="../assets/js/vue.js"></script>
<script>
new Vue({
el:'#app',
data () {
return {
score:'85',
}
}
})
</script>
</body>
</html>
