<!DOCTYPE html>
<html lang="en">
<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">
<h1>{{rootMesage}}</h1>
<!-- 将父组件中的数据传递给子组件，例如 rootMessage -->
<child1-component :message="rootMesage"></child1-component>
</div>
<script src="./vue.js"></script>
<script>
const app = new Vue({
el: '#app',
data: {
rootMesage: 'app根组件的数据'
},
components: {
'child1-component': {
props: ['message'],
data() {
return {
child1Message: 'child1组件的数据'
}
},
template: `<div>
<h2>{{child1Message}}</h2>
<h2>{{message}}</h2>
</div>`
}
}
});
// props properties 属性
// ref reference 引用
</script>
</body>
</html>
