Vue component 子传父通信 $emit

vue

<!DOCTYPE html>

<html lang="en">

<head>

<meta charset="UTF-8">

<title>Title</title>

</head>

<body>

<div id="app" style="background-color:blue;height: 400px;height: 400px;padding: 20px;">

<div_box @div_box_click="div_box_func2"></div_box>

</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 = {

//用于接收数据

// props:['brand','colleges'],

template:'#div_box',

methods:{

btnClick(){

console.log("btnClick");

// this.$emit('div_box_click','test_msg1','test_msg2','test_msg3');

const args = {

name:'subject',

intro:'java,vue'

}

this.$emit('div_box_click',args);

}

}

}

// 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: {

div_box_func(arg1,arg2,arg3){

console.log("div_box_func"+"----------"+arg1+"----------"+arg2+"----------"+arg3);

},

div_box_func2(args){

console.log(args);

}

}

}).mount('#app');

</script>

</body>

</html>

以上是 Vue component 子传父通信 $emit 的全部内容, 来源链接: utcz.com/z/378514.html

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