怎样使用vuemint-uitabbar（附代码）

<template>
 <mt-tabbar v-model="message" fixed>
 <mt-tab-item id="MainPage">
 <img slot="icon" :src="this.atabs[0]">
 主页
 </mt-tab-item>
 <mt-tab-item id="ShoppingList">
 <img slot="icon" v-bind:src="this.atabs[1]">
 积分商城
 </mt-tab-item>
 <mt-tab-item id="GroupList">
 <img slot="icon" v-bind:src="this.atabs[2]">
 微社区
 </mt-tab-item>
 <mt-tab-item id="UserCenter">
 <img slot="icon" v-bind:src="this.atabs[3]">
 我的
 </mt-tab-item>
 </mt-tabbar>
</template>
<script>
export default {
 data(){
 return{
 //选中的tabbar值message为外面页面传入的值selected
 message:this.selected,
 //这里使用的icon图标为图片，所以需要加图片改变的传入，若使用阿里图标，则不用加
 atabs:this.tabs,
 }
 },
 props:{
 selected: String,
 tabs:Array,
 },
 watch: {
 message: function (val, oldVal) {
 // 这里就可以通过 val 的值变更来确定去向
 switch(val){
 case 'MainPage':
 this.$router.push('/mainpage');
 break;
 case 'ShoppingList':
 this.$router.push('/shoppinglist');
 break;
 case 'GroupList':
 this.$router.push('/grouplist');
 break;
 case 'UserCenter':
 this.$router.push('/usercenter');
 break;
 }
 }
 },
}
</script>

import tabbar from '../../components/tabbar'
export default {
 components:{tabbar},
 data(){
 return{
 selected:"ShoppingList",
 tabs:[require("../../assets/images/icon/zhuye.png"),require("../../assets/images/icon/icon42-1.png"),
 require("../../assets/images/icon/weuquan1.png"),require("../../assets/images/icon/huijia.png")],
 }
 },
}

<tabbar :selected="selected" :tabs='tabs'></tabbar>

import { Tabbar, TabItem } from 'mint-ui';
Vue.component(Tabbar.name, Tabbar);
Vue.component(TabItem.name, TabItem);

importMintfrom'mint-ui'
import'mint-ui/lib/style.css'
Vue.use(Mint);