feat: 添加系统设置页面,集成应用更新和缓存管理功能,优化用户体验
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103
src/composables/useAppUpdate.ts
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103
src/composables/useAppUpdate.ts
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/**
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* 应用更新检查组合式函数
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*/
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export function useAppUpdate() {
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const isChecking = ref(false);
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const hasUpdate = ref(false);
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const latestVersion = ref("");
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const currentVersion = ref("1.0.0"); // 从 package.json 或环境变量读取
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/**
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* 检查是否有新版本
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*/
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async function checkForUpdate(): Promise<{
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hasUpdate: boolean;
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currentVersion: string;
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latestVersion?: string;
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}> {
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isChecking.value = true;
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try {
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// 方案1: 从服务器检查版本(需要后端 API)
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// const response = await fetch('/api/version');
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// const { version } = await response.json();
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// latestVersion.value = version;
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// 方案2: 检查 Service Worker 更新(PWA 应用)
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if ("serviceWorker" in navigator) {
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const registration = await navigator.serviceWorker.getRegistration();
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if (registration) {
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await registration.update();
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const hasNewWorker = registration.waiting !== null || registration.installing !== null;
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hasUpdate.value = hasNewWorker;
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if (hasNewWorker) {
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return {
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hasUpdate: true,
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currentVersion: currentVersion.value,
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latestVersion: "新版本可用",
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};
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}
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}
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}
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// 模拟检查(实际应用中需要替换为真实的 API 调用)
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await new Promise(resolve => setTimeout(resolve, 1000));
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// 暂时返回无更新
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return {
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hasUpdate: false,
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currentVersion: currentVersion.value,
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};
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}
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catch (error) {
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console.error("检查更新失败:", error);
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throw error;
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}
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finally {
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isChecking.value = false;
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}
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}
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/**
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* 应用更新(重新加载应用)
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*/
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async function applyUpdate(): Promise<void> {
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if ("serviceWorker" in navigator) {
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const registration = await navigator.serviceWorker.getRegistration();
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if (registration?.waiting) {
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// 通知 Service Worker 跳过等待,立即激活
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registration.waiting.postMessage({ type: "SKIP_WAITING" });
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// 等待 Service Worker 激活后重新加载页面
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navigator.serviceWorker.addEventListener("controllerchange", () => {
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window.location.reload();
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});
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return;
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}
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}
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// 如果没有 Service Worker,直接重新加载
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window.location.reload();
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}
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/**
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* 强制刷新应用(清除缓存后重新加载)
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*/
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async function forceReload(): Promise<void> {
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if ("caches" in window) {
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const cacheNames = await caches.keys();
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await Promise.all(cacheNames.map(name => caches.delete(name)));
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}
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window.location.reload();
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}
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return {
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isChecking,
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hasUpdate,
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currentVersion,
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latestVersion,
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checkForUpdate,
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applyUpdate,
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forceReload,
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};
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}
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