<!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>
<script src="vue-2.4.0.js"></script>
</head>
<body>
<div id="app">
<login v-bind:parentmsg="msg" @func='getmsgFromSon'></login>
</div>
<template id="temp">
<div>
<h1>这是组件的模板----{{ parentmsg }}</h1>
<!-- 子组件通过事件绑定机制向父组件传递消息 -->
<input type="button" value="向父组件传递消息" @click='sendMes'>
</div>
</template>
<script>
var login = {
template: '#temp',
data() {
return {
msg: "这是子组件中的值，儿子已经长大了，该给爸爸1000元钱了"
}
},
methods: {
sendMes() {
this.$emit('func',this.msg)
}
},
props: ['parentmsg']
}
var vm = new Vue({
el: '#app',
data: {
msg: '这是父组件中的值，爸爸有100块钱，儿子你要不？',
msgFromSon: ''
},
methods: {
getmsgFromSon(data) {
this.msgFromSon = data
console.log(this.msgFromSon)
}
},
components: {
login
}
});
</script>
</body>
</html>