<template> <van-nav-bar :title="title" left-arrow @click-left="onClickLeft" fixed placeholder /> </template> <script lang="ts" setup> import { useRouter } from 'vue-router' defineProps({ title: { type: String, default: '' } }) const router = useRouter() const onClickLeft = () => { router.back() } </script> <style lang="scss" scoped> :deep(.van-nav-bar) { background-color: $primary-color; .van-nav-bar__title { color: #fff; } .van-icon { color: #fff; } } </style>