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| // showNum.vue 中接收事件
|
| <template>
| <div>计算和: {{count}}</div>
| </template>
|
| <script>
| import {EventBus} from './EventBus.js'
| export default {
| data() {
| return {
| count: 0
| }
| },
|
| mounted() {
| EventBus.$on('addition', param => {
| this.count = this.count + param.num;
| })
| }
| }
| </script>
|
|