md-h5/pages/index/index.vue

<template>
	<view v-show="showPage != 'my'">
		<home />
	</view>
	<view v-show="showPage != 'home'">
		<my ref="My" />
	</view>
	<up-tabbar :fixed="true" :value="showPage" @change="change1">
		<up-tabbar-item text="服务" name="home">
			<template #active-icon>
				<view class="iconfont icon-zhuye-weixuanzhong" style="color: #1965E7;" />
			</template>
			<template #inactive-icon>
				<view class="iconfont icon-zhuye-weixuanzhong" />
			</template>
		</up-tabbar-item>
		<up-tabbar-item text="我的" name="my">
			<template #active-icon>
				<view class="iconfont icon-wode-weixuanzhong" style="color: #1965E7;" />
			</template>
			<template #inactive-icon>
				<view class="iconfont icon-wode-weixuanzhong" />
			</template>
		</up-tabbar-item>
	</up-tabbar>
</template>

<script setup>
import home from './home.vue';
import my from './my.vue';
import { ref, getCurrentInstance } from 'vue'
const { $Http } = getCurrentInstance().proxy;
let My = ref(null);
const showPage = ref('home');
function change1(value) {
	if (value == 'my') {
		console.log("My.value", My.value)
		My.value.getUserInfo();
	}
	showPage.value = value;
}

</script>

<style></style>