nuxt.js性能提升 asyncData一次性请求多个接口, asyncData批处理请求 

<template>
<div class="container">
<div>
<Logo />
<h1 class="title">test_axios</h1>
<div class="links">
<a
href="https://nuxtjs.org/"
target="_blank"
rel="noopener noreferrer"
class="button--green"
>
Documentation
</a>
<a
href="https://github.com/nuxt/nuxt.js"
target="_blank"
rel="noopener noreferrer"
class="button--grey"
>
GitHub
</a>
</div>
<h1>新的</h1>
<h3>IP:{{ip}}</h3>
<h3>title:{{title}}</h3>
<ul>
<li v-for="(data,index) in list" :key="index">{{data.name}}+index:{{index}}</li>
</ul>
</div>
</div>
</template>

<script>
export default {
async asyncData ({ app }) {
const $axios = app.$axios
// 单个请求处理
const data = await $axios.$get('http://192.168.1.181:8001/static/js/JsonData.json')
const seo = data.head
const list = data.list
console.log(seo)
console.log(list)
// 多个请求批处理
const [data1, data2, data3] = await Promise.all([
$axios.$get('http://192.168.1.181:8001/static/js/JsonData.json'),
$axios.$get('http://192.168.1.181:8001/static/js/JsonData2.json'),
$axios.$get('http://192.168.1.181:8001/static/js/JsonData3.json')
])
console.log(data1.head.title)
console.log(data2.head.title)
console.log(data3.head.title)
return { seo, list }
},
data () {
return {
title: '首页',
ip: '0.0.0.0',
list: []
}
},
head () {
return {
title: this.seo.title + '_' + this.title,
meta: [
{ hid: 'keywords', name: 'keywords', content: this.seo.keywords },
{ hid: 'description', name: 'description', content: this.seo.description }
]
}
}
}
</script>

<style>
.container {
margin: 0 auto;
min-height: 100vh;
display: flex;
justify-content: center;
align-items: center;
text-align: center;
}

.title {
font-family: "Quicksand", "Source Sans Pro", -apple-system, BlinkMacSystemFont,
"Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
display: block;
font-weight: 300;
font-size: 100px;
color: #35495e;
letter-spacing: 1px;
}

.subtitle {
font-weight: 300;
font-size: 42px;
color: #526488;
word-spacing: 5px;
padding-bottom: 15px;
}

.links {
padding-top: 15px;
}
</style>