vue项目及axios请求获取数据

一般vue项目中 一个页面是由多个组件组成的，各个组建的数据都是统一在主界面的组件中发送axios请求获取，这样极大地提高了性能。

一、首先导入用到的组件和axios

import HomeHeader from './components/Header'
import HomeSwiper from './components/Swiper'
import HomeIcons from './components/Icons'
import HomeRecommend from './components/Recommend'
import HomeWeekend from './components/Weekend'
import axios from 'axios'
export default {
  name: 'Home',
  components: {
    HomeHeader,
    HomeSwiper,
    HomeIcons,
    HomeRecommend,
    HomeWeekend
  },

二、在data中将要用到的数据给一个初始值，为空

  data () {
    return {
      swiperList: [],
      iconList: [],
      recommendList: [],
      weekendList: []
    }
  },

三、在methods中写方法，发送axios获取数据

methods: {
    getHomeInfo () {
      axios.get('/api/index.json')
        .then(this.getHomeInfoSucc)
    },
    getHomeInfoSucc (res) {
      res=res.data
      if (res.ret && res.data) {
        const data = res.data
        this.swiperList = data.swiperList
        this.iconList = data.iconList
        this.recommendList = data.recommendList
        this.weekendList = data.weekendList
      }
    }
  },
  mounted () {
    this.getHomeInfo()
  }
}

四、传递数据

<div>
  <home-header></home-header>
  <home-swiper :list="swiperList"></home-swiper>
  <home-icons :list="iconList"></home-icons>
  <home-recommend :list="recommendList"></home-recommend>
  <home-weekend :list="weekendList"></home-weekend>
</div>