vue
/
Vue


			
				
					
						
						
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							<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<title>1.引入VUE</title>
		<meta charset="UTF-8">
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<script src="https://unpkg.com/vue/dist/vue.js"></script>
		<link href="../css/style.css" rel="stylesheet"> </head>

	</head>

	<body>
		<div id="app">
			<h1>您的成绩评价</h1>
			<div v-if="score > 80">
				score:{{score}}  优秀生
			</div>
			<div v-else-if="score > 60">
				score:{{score}}  中等生
			</div>
			<div v-else>
				score:{{score}}  不及格
			</div>
			<div><button @click="btnClick">改变</button></div>
		</div>
		<script>
			new Vue({
				el: '#app',
				data: {
					score: 0
				},
				methods: {
					btnClick: function() {
						this.score = Math.round(Math.random() * 100);
					},
				},
			})
		</script>
	</body>

</html>