const oldHtmlEtag = ref();const timer = ref();const getHtmlEtag = async () => {const { protocol, host } = window.location;const res = await fetch(`${protocol}//${host}`, {headers: {"Cache-Control": "no-cache",},});return res.headers.get("Etag");};
oldHtmlEtag.value = await getHtmlEtag();clearInterval(timer.value);timer.value = setInterval(async () => {const newHtmlEtag = await getHtmlEtag();console.log("---new---", newHtmlEtag);if (newHtmlEtag !== oldHtmlEtag.value) {Modal.destroyAll();Modal.confirm({title: "检测到新版本，是否更新？",content: "新版本内容：",okText: "更新",cancelText: "取消",onOk: () => {window.location.reload();},});}}, 30000);

import path from "path";import fs from "fs";export function checkVersion(version: string) {return {name: "vite-plugin-check-version",buildStart() {const now = new Date().getTime();const version = {version: now,};const versionPath = path.join(__dirname, "../public/versionData.json");fs.writeFileSync(versionPath, JSON.stringify(version), "utf8", (err) => {if (err) {console.log("写入失败");} else {console.log("写入成功");}});},};}

import { checkVersion } from "./plugins/vitePluginCheckVersion";plugins: [vue(),checkVersion(),]

const timer = ref()const checkUpdate = async () => {let res = await fetch('/versionData.json', {headers: {'Cache-Control': 'no-cache',},}).then((r) => r.json())if (!localStorage.getItem('demo_version')) {localStorage.setItem('demo_version', res.version)} else {if (res.version !== localStorage.getItem('demo_version')) {localStorage.setItem('demo_version', res.version)Modal.confirm({title: '检测到新版本，是否更新？',content: '新版本内容：' + res.content,okText: '更新',cancelText: '取消',onOk: () => {window.location.reload()},})}}}
onMounted(()=>{clearInterval(timer.value)timer.value = setInterval(async () => { checkUpdate()}, 30000)})

// vite.config.tsimport { defineConfig } from 'vite'import vue from '@vitejs/plugin-vue'import { webUpdateNotice } from '@plugin-web-update-notification/vite'
// https://vitejs.dev/config/export default defineConfig({plugins: [vue(),webUpdateNotice({logVersion: true,}),]}