vue mint-ui tabbar变组件使用

<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 &#39;MainPage&#39;:
          this.$router.push(&#39;/mainpage&#39;);
        break;
        case &#39;ShoppingList&#39;:
          this.$router.push(&#39;/shoppinglist&#39;);
        break;
        case &#39;GroupList&#39;:
          this.$router.push(&#39;/grouplist&#39;);
        break;
        case &#39;UserCenter&#39;:
          this.$router.push(&#39;/usercenter&#39;);
        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=&#39;tabs&#39;></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);