利用ref获取DOM元素
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>组件</title>
<script src="vue.js"></script>
</head>
<body>
<div id="app">
<input type="button" value="获取元素" @click="getElement">
<h3 ref="myh3">今天天气很好！！！</h3>
</div>
<script>
var vm = new Vue({
el: '#app',
data: {},
methods: {
getElement () {
console.log(this.$refs.myh3.innerText);
}
}
});
</script>
</body>
</html>
