Vue 子组件接收父组件的值

1.父组件

<template>

<div id="rightmenu8">

<rightmenu7 ref="rightmenu7" @child="parent3" :age="age"></rightmenu7> 

</div>

</template>

<script>

import rightmenu7 from "./RightMenu7.vue";

export default {

name: "rightmenu8",

data() {

return {

    age:18

}

},

methods: {

},

components: {

rightmenu7: rightmenu7

}

};

</script>

 

2.子组件

<template>

<div id="rightmenu7" ></div>

</template>

<script>

export default {

props:['age'],

name:"rightmenu7",

data(){

return{

}

}

}

</script>

<style>

</style>