<!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="https://cdn.bootcss.com/vue/2.6.10/vue.js"></script>
</head>
<body>
<div id="app">
<child v-bind:msg="fatherdata" @func="getSonMsg"></child>
</div>
<template id="child">
<div>
<h1>child -- {{ msg }}</h1>
<input
type="button"
value="send smg to father"
@click="sendMsgToFather"
/>
</div>
</template>
<script>
var child = {
template: "#child",
props: ["msg"],
data() {
return {
childmsg: "child msg"
};
},
methods: {
sendMsgToFather() {
this.$emit("func", this.childmsg);
}
}
};
var vm = new Vue({
el: "#app",
data: {
fatherdata: "123"
},
methods: {
getSonMsg(data) {
console.log(data);
}
},
components: {
child
}
});
</script>
</body>
</html>
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