vue中的子传父

作者: greenPLUS | 来源:发表于2018-09-20 14:36 被阅读0次

用事件传

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div id="itany">
    <my-component></my-component>
</div>
<script src="dist/vue.js"></script>
<script>
    Vue.component('my-component',{
      template:`
        <div>
            <h1>{{mess}}</h1>
            <my-fiend @send="revMsg"></my-fiend>
        </div>
      `,
        data:function(){
            return{
                mess:''
            }
        },
        methods:{
            revMsg:function(num){
                this.mess=num
            }
        }
    }),
    Vue.component('my-fiend',{
        template:`
            <button @click="sendFather">
                给父组件
            </button>
      `,
        data:function(){
            return{
                msg:'我是一个粉刷匠'
            }
        },
        methods:{
            sendFather:function(){
                this.$emit('send',this.msg)
            }
        }
    }),
    new Vue({
        el:'#itany'
    })
</script>
</body>
</html>