<template> <div id="appContainer" v-cloak> <Header /> <router-view v-slot="{ Component }"> <!-- 缓存 wrap($route.fullPath, Component)--> <keep-alive> <component :is="Component" :key="$route.name" v-if="$route.meta.keepAlive" /> </keep-alive> <!-- 不缓存 --> <component :is="Component" :key="$route.name" v-if="!$route.meta.keepAlive" /> </router-view> <van-tabbar fixed route style="z-index: 100000"> <van-tabbar-item replace to="/ElectronicMap" icon="location-o">电子地图</van-tabbar-item> <van-tabbar-item replace to="/questionnaire" icon="apps-o">问卷调查</van-tabbar-item> <van-tabbar-item replace to="/SpongeCulture" icon="bulb-o">海绵文化</van-tabbar-item> <van-tabbar-item replace to="/PublicAdvice" icon="user-o">公众建议</van-tabbar-item> </van-tabbar> <!-- 全局loading效果 --> <!-- <Loading v-if="showLoading" /> --> <!-- 开启底部安全区适配 --> <van-number-keyboard safe-area-inset-bottom /> </div> </template> <script setup name="appContainer"> import { useStore } from '@/pinia/store.js'; import Header from '@/views/components/Header.vue'; const showLoading = ref(false); const pinias = useStore(); watch( () => { pinias.loading; }, (val) => { showLoading.value = pinias.loading; }, { immediate: true, deep: true } ); /** * keepalive热更新报错 TypeError: parentComponent.ctx.deactivate is not a function */ // 自定义name的壳的集合 const wrapperMap = new Map(); // 为keep-alive里的component接收的组件包上一层自定义name的壳 function wrap(fullPath, component) { let wrapper; // 重点就是这里,这个组件的名字是完全可控的, // 只要自己写好逻辑,每次能找到对应的外壳组件就行,完全可以写成任何自己想要的名字 // 这就能配合 keep-alive 的 include 属性可控地操作缓存 if (component) { const wrapperName = fullPath; if (wrapperMap.has(wrapperName)) { wrapper = wrapperMap.get(wrapperName); } else { wrapper = { name: wrapperName, render() { return h('div', { className: 'vaf-page-wrapper' }, component); }, }; wrapperMap.set(wrapperName, wrapper); } return h(wrapper); } } // 获取微信公众号的昵称、头像 function getWechatInfo() {} onMounted(() => { wrap(); }); onBeforeMount(() => {}); </script> <style lang="less"> [v-cloak] { display: none; } #appContainer { width: 100%; height: 100vh; background: #fff; position: relative; z-index: 0; margin: 0; } </style>