inleft
2022-03-07 a529ff7c29ab498b35b0f57ae88bc1b2e4525919
commit | author | age
bf6fbe 1 <template>
L 2     <div>
3         <div>下次加:{{ num}}</div>
4         
5         <button @click="additionHandle">+加法器</button>
6     </div>
7 </template>
8
9 <script>
10     import {
11         EventBus
12     } from './EventBus.js'
13     console.log(EventBus)
14     export default {
15         data() {
16             return {
17                 num: 1
18             }
19         },
20         methods: {
21             additionHandle() {
22                 EventBus.$emit('addition', {
23                     num: this.num++
24                 })
25             }
26         }
27     }
28 </script>