第一步

		<u-tabbar v-model="current" :list="list" :current="current" :mid-button="true" @change="change"></u-tabbar>

第二步

export default {data() {return {list: [{iconPath: "home",selectedIconPath: "home-fill",text: '打卡',customIcon: false,},{iconPath: "photo",selectedIconPath: "photo-fill",text: '打卡记录',customIcon: false,},],current: 0}},methods: {change(index) {this.current = index;console.log(this.current)}}}
</script><style></style>

运行结果