vue+axios实现数据交互

<script src="https://unpkg.com/axios/dist/axios.min.js"></script>

import axios from ‘axios' 
Vue.prototype.$http = axios

<template>
 <p class="tabbar">
 <p>首页</p>
 <button v-on:click = 'goback'>获取数据</button>
 <p class="new_wrap" v-for="items in item">
 <p class="newcard">
 <p>
 <p>{{items.issuer_nickname}}.</p>
 </p>
 <p>
 {{items.title}}
 </p>
 <p class="pic">
 <img :src="items.cover">
 </p> 
 </p>
 <br>
 </p>
 </p>
</template>
<script>
export default {
 name: 'tabbar',
 data () {
 return {
 msg: 'Welcome to Your Vue.js App',
 item: []
 }
 },
 methods:{
 goback:function(){
 console.log('hah');
 this.$http.get('url') //把url地址换成你的接口地址即可
 .then(res => {
 //this.request.response = res.data
 this.item = res.data.data.item; //把取item的数据赋给 item: []中
 console.log(res.data.data.item);
 if (res.data.code == '0') {
 console.log('haha');
 }else{
 alert('数据不存在');
 }
 })
 .catch(err => {
 alert('请求失败');
 })
 }
 }
}
</script>
<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped lang="scss">
*{margin: 0;padding: 0;}
@function torem($px){//$px为需要转换的字号
 @return $px / 100px * 1rem; //100px为根字体大小
}
ul{
 width: 100%;
 position: absolute;
 bottom: 0;
 li{
 width: torem(187.5px);
 float:left;
 height: torem(98px);
 text-align:center;
 background: #ccc;
 }
}
img{
 width: torem(200px);
 height: torem(200px);
 }
</style>