我正在使用事件總線將數據從一個組件(點擊)傳遞到使用事件總線(同級組件)的另一個組件。當我點擊服務器組件中的「服務器」時,它將數據(服務器狀態)發送到服務器詳細信息組件。該數據將替換服務器詳細信息組件中屏幕上的默認消息。問題是服務器狀態只顯示幾分之一秒,然後變回默認消息。似乎每次收到來自事件總線的數據都會刷新頁面。從事件總線收到事件後VueJS頁面刷新
main.js:
import Vue from 'vue'
import App from './App.vue'
export const eventBus = new Vue();
new Vue({
el: '#app',
render: h => h(App)
})
App.vue:
<template>
<div class="container">
<app-header></app-header>
<hr>
<div class="row">
<servers></servers>
<app-server-details></app-server-details>
</div>
<hr>
<app-footer></app-footer>
</div>
</template>
<script>
import Header from './components/Shared/Header.vue';
import Footer from './components/Shared/Footer.vue';
import Servers from './components/Server/Servers.vue';
import ServerDetails from './components/Server/ServerDetails.vue';
export default {
components: {
appHeader: Header,
Servers,
'app-server-details': ServerDetails,
'app-footer': Footer
}
}
</script>
<style>
</style>
Servers.vue:
<template lang="pug">
div.col-xs-12.col-sm-6
ul.list-group
a(href="" v-for="server in servers" @click="exportStatus(server.id)")
li.list-group-item Server \#{{ server.id }}
</template>
<script>
import {eventBus} from '../../main'
export default {
data: function() {
return {
servers: [
{id: 1, status: 'Normal'},
{id: 2, status: 'Critical'},
{id: 3, status: 'Normal'},
{id: 4, status: 'Unknown'},
{id: 5, status: 'Down'},
]
}
},
methods: {
exportStatus(id) {
this.status = this.servers[id -1];
eventBus.$emit('statusUpdate', this.status);
}
}
}
</script>
<style scoped>
a {
text-decoration: none;
color: #333;
}
.list-group-item:hover {
color: #fff;
background-color: #777;
}
</style>
ServerDetails.vue:
<template lang="pug">
div.col-xs-12.col-sm-6
p {{status}}
</template>
<script>
import {eventBus} from '../../main'
export default {
data: function() {
return {
status: 'Server Details are currently not updated'
}
},
created() {
eventBus.$on('statusUpdate', (data) => {
this.status = data;
});
}
}
</script>
<style>
</style>
你似乎有'a'作爲'ul'的孩子,''裏面有'li'。這是從內到外。另外,您的'Servers.vue'中的'this.status'應該只是一個局部變量。 –