vue两个子组件如何相互通讯传值?
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父组件
创建子组件公用的空vue变量,为pubVue,并传给需要互相传参/互相调用方法的两个子组件
<template>
<div>
<btn-tools :pubVue="pubVue" />
<table-list :pubVue="pubVue" />
</div>
</template>
<script>
// 组件引用
import TableList from './components/table-list'//组件一
import BtnTools from './components/btn-tools' //组件二
import Vue from 'vue'
export default {
name: 'PDmaterialList',
components: { TableList, BtnTools },
data() {
return {
pubVu...点击查看剩余70%
如果是cdn vue方式编写的代码,可以这样实现子组件之间的通讯及父子组件之间的通讯,代码如下:
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1.0,maximum=1.0,minimum=1.0,user-scalable=0" />
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/vue@2.6.1-dev.js"></script>
<style>
.comment-box{
padding: 5px 10px;
border: 1px solid grey;
margin:5px;
}
.reply{
color: red;
font-weight: bold;
}
</style>
</head>
<body>
<div id="app">
<div id="comment">
<Reply :commentdata="comments" v-on:replyit="replyit"></Reply>
</div>
<Comment ref="child" :towho="towho" v-on:sendit="sendit"></Comment>
</div>
<script type="text/javascript">
Vue.component('Comment',{
template: ' <form><input :placeholder="towho" /><input @click="sendit" type="button" value="回复" /></form>',
props: ['towho'],
data: function () {
return {
};
},
mounted: function () {
},
methods: {
sendit(){
this.$emit('sendit', "小王");
},
clean(){
alert("clear");
}
}
});
Vue.component('Reply',{
template: '<div><div class="comment-box" v-for="item in commentdata"><span>{{item.nickname}}说</span> <span>{{item.content}}</span> <span @click="replyit(item.id,item.nickname)" class="reply">回复</span><Reply v-bind="$attrs" v-on="$listeners" v-if="item.replyComments" :commentdata="item.replyComme...点击查看剩余70%


