影片中没有录到父组件的代码,我列在这里,以免学习上的断点
<template>
    <div id="app">
        <event :name="name" @change="handleEventChange"></event>
    </div>
</template>
<script>
import Event from "./Event"
export default{
    components:{
        Event,
    },
    data:()=>{
        return {
            name:"",
        }
    },
    methods:{
        handleEventChange(val){
            this.name = val;
        }
    }
}
</script>
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