vant Tabbar 标签栏 使用自定义图标

<van-tabbar active-color="#15975b" inactive-color="#000" v-model="active">
      <van-tabbar-item name="/home" to="/">
        <span>主页</span>
        <img slot="icon" slot-scope="props" :src="props.active ? icon.a_home: icon.nor_home" />
      </van-tabbar-item>
      <van-tabbar-item name="/datas" to="/datas">
        <span>数据</span>
        <img slot="icon" slot-scope="props" :src="props.active ? icon.a_mydatas : icon.nor_mydatas" />
      </van-tabbar-item>
      <van-tabbar-item name="/static" to="/static">
        <span>统计</span>
        <img slot="icon" slot-scope="props" :src="props.active ? icon.a_statis : icon.nor_statis" />
      </van-tabbar-item>
      <van-tabbar-item name="/user" to="/user">
        <span>我的 </span>
        <img slot="icon" slot-scope="props" :src="props.active ? icon.a_user : icon.nor_user" />
      </van-tabbar-item>
    </van-tabbar>
　　　　
 　　　active: "/home",
　　　　//引入自己本地的图片
      icon: {
        a_home: require("@/assets/imgs/ahome.png"),
        nor_home: require("@/assets/imgs/nhome.png"),
        a_mydatas: require("@/assets/imgs/adata.png"),
        nor_mydatas: require("@/assets/imgs/ndatas.png"),
        a_statis: require("@/assets/imgs/astatic.png"),
        nor_statis: require("@/assets/imgs/nstatic.png"),
        a_user: require("@/assets/imgs/auser.png"),
        nor_user: require("@/assets/imgs/nuser.png"),
      },