Vue component 父访问子组件 $refs

 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <div id="app">
        <div_box ref="box_1"></div_box>
        <div_box ref="box2"></div_box>
        <button @click="getChildComponent">btn_f</button>
    </div>
    <template id="div_box">
        <div style="background-color: red;height: 200px;height: 200px;">
            <button @click="btnClick">btn</button>
        </div>
    </template>
    <script src="js/vue.3.2.2.js"></script>
    <script>
        const Box = {
            data(){
                return{
                    msg:"hello"
                }
            },
            template:'#div_box',
            methods:{
                btnClick() {
                    console.log("btnClick");
                }
            },

        }
        // 1、创建Vue的实例对象
        const app = Vue.createApp({
            data(){//定义数据
                return {
                    msg:'你好！'
                }
            },
            components:{
                'div_box':Box//,
                // 'div_box2':Box2,
                // 'div_box3':Box3
            },
            methods: {
                getChildComponent(){
                    console.log(this.$refs);
                    console.log(this.$refs.box_1);
                    console.log(this.$refs.box_1.msg);
                    this.$refs.box_1.btnClick();
                    this.$refs.box2.btnClick();
                }
            }
        }).mount('#app');
    </script>
</body>
</html>

 

posted @ 2021-08-21 16:56  残星  阅读(265)  评论(0)    收藏  举报