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 content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"> <meta content="yes"> <meta content="black"> <script src="https://www.jb51.net/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> <aaa></aaa> </div> </body> </html>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <script src="https://www.jb51.net/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> <aaa> </aaa> </div> <template> <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="https://www.jb51.net/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> <aaa> </aaa> </div> <template> <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="https://www.jb51.net/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> <aaa></aaa> </div> <template> <span>我是父级 -》 {{msg}}</span> <bbb @child-msg="get"></bbb> </template> <template> <h3>子组件</h3> <input type="button" value="send" @click="send" /> </template> </body> </html>