<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
</head>
<body>
<script src="../js/vue.js"></script>
<div id="app">
<!--使用但标签的方式是不可以的-->
<cpn></cpn>
<button @click="btnclick">按钮</button>
</div>
<template id="cpn">
<div>我是子组件</div>
</template>
<script>
let app=new Vue({
el:'#app',
data:{
message:'hello world'
},
methods:{
btnclick(){
console.log(this.$children);
// this.$children[0].showMessage();
for(let c of this.$children){
console.log(c.name);
c.showMessage();
}
}
},
components:{
cpn:{
template:'#cpn',
data(){
return{
name:'我是子组件的name'
}
},
methods:{
showMessage(){
console.log("==========showMessage");
}
}
}
}
})
</script>
</body>
</html>
运行结果：
