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VueJs组件通讯-子组件给父组件传递事件演示，视频演示参考这里：https://www.bilibili.com/video/av10323610/index_24.html?t=312
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| <!DOCTYPE html> | |
| <html lang="zh-CN"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <meta http-equiv="X-UA-Compatible" content="ie=edge"> | |
| <title>VueJs组件通讯-自定义事件</title> | |
| <link href="https://cdn.bootcss.com/bootstrap/4.0.0-beta/css/bootstrap.min.css" rel="stylesheet"> | |
| </head> | |
| <body> | |
| <div id="app"> | |
| <div class="container"> | |
| <div class="col-md-3 ml-md-auto"> | |
| <div class="card text-center"> | |
| <div class="card-body"> | |
| <h4 class="card-title" v-text="card.title"></h4> | |
| <p class="card-text" | |
| v-if="showText" | |
| v-text="card.description"></p> | |
| <toggle-btn v-on:toggle-card="toggleCard"></toggle-btn> | |
| </div> | |
| </div> | |
| </div> | |
| </div> | |
| </div> | |
| <script src="https://cdn.bootcss.com/vue/2.4.4/vue.min.js"></script> | |
| <script> | |
| // 子组件 | |
| Vue.component('toggle-btn', { | |
| template: ` | |
| <a href="#" | |
| class="btn btn-primary" | |
| v-on:click.prevent="emitToggle" | |
| v-text="title"></a> | |
| `, | |
| data: function() { | |
| return { | |
| title: 'Toggle Description', | |
| } | |
| }, | |
| methods: { | |
| emitToggle(){ | |
| this.$emit('toggle-card'); | |
| } | |
| } | |
| }); | |
| // 父组件 | |
| var app = new Vue({ | |
| el: '#app', | |
| data: { | |
| showText: true, | |
| card:{ | |
| title: 'Card title', | |
| description: 'Some quick example text to build on the card title and make up the bulk of the card\'s content.', | |
| } | |
| }, | |
| methods: { | |
| toggleCard() { | |
| this.showText = !this.showText; | |
| } | |
| } | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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click事件,使用this.$emit()传递给父组件的toggle-card方法。v-on绑定自定义事件，例如这里的toggle-card。