<!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>
