时间：2021-03-06 10:12:17 | 栏目：vue | 点击：次
本人对Vue组件间通信不懂,搜索了很多关于Vue 父子组件间通信介绍,下面我来记录一下,有需要了解Vue 父子组件、组件间通信的朋友可参考。希望此文章对各位有所帮助。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>组件</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<script src="../js/Vue.js"></script>
<script>
window.onload = function(){
var vm = new Vue({
el:'#box',
data:{},
components:{
aaa:{
template:'<h2>这是aaa组件<bbb></bbb></h2>',
components:{
bbb:{
template:'<h2>这是bbb组件</h2>'
}
}
}
}
});
}
</script>
</head>
<body>
<div id="box">
<aaa></aaa>
</div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script src="../js/vue1.0.js"></script>
<script>
//子组件获取父组件的值
window.onload = function () {
var vm = new Vue({
el: '#box',
data: {
a: 'aaa'
},
components: {
'aaa': {
data(){
return {
msg: 111,
msg2: '这是父组件的数据'
}
},
template: '#aaa',
components: {
'bbb': {
//html中的my-msg这种形式,js中应该采用驼峰命名myMsg
props: ['mmm', 'myMsg'],
template: '<h3>我是bbb组件->{{mmm}}<br>{{myMsg}}</h3>'
}
}
}
}
});
}
</script>
</head>
<body>
<div id="box">
<aaa>
</aaa>
</div>
<template id="aaa">
<h1>11111</h1>
<bbb :mmm="msg2" :my-msg="msg"></bbb>
</template>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script src="../js/vue1.0.js"></script>
<script>
//子组件获取父组件的值
window.onload = function () {
var vm = new Vue({
el: '#box',
data: {
a: 'aaa'
},
components: {
'aaa': {
data(){
return {
msg: 111,
msg2: '这是父组件的数据'
}
},
template: '#aaa',
components: {
'bbb': {
//html中的my-msg这种形式,js中应该采用驼峰命名myMsg
props: ['mmm', 'myMsg'],
template: '<h3>我是bbb组件->{{mmm}}<br>{{myMsg}}</h3>'
}
}
}
}
});
}
</script>
</head>
<body>
<div id="box">
<aaa>
</aaa>
</div>
<template id="aaa">
<h1>11111</h1>
<bbb :mmm="msg2" :my-msg="msg"></bbb>
</template>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>父组件获取子组件的值</title>
<script src="../js/vue1.0.js"></script>
<script>
//父组件获取子组件的值
window.onload = function () {
var vm = new Vue({
el:'#box',
data:{
a:'aaa'
},
components:{
'aaa':{
data(){
return {
msg:111,
msg2:'我是父组件的数据'
}
},
template:'#aaa',
methods:{
get(msg){
this.msg = msg;
}
},
components:{
'bbb':{
data(){
return {
a:'我是子组件的数据'
}
},
template:'#bbb',
methods:{
send(){
this.$emit('child-msg',this.a);
}
}
}
}
}
}
});
}
</script>
</head>
<body>
<div id="box">
<aaa></aaa>
</div>
<template id="aaa">
<span>我是父级 -》 {{msg}}</span>
<bbb @child-msg="get"></bbb>
</template>
<template id="bbb">
<h3>子组件</h3>
<input type="button" value="send" @click="send" />
</template>
</body>
</html>