72 lines
1.7 KiB
JavaScript
72 lines
1.7 KiB
JavaScript
// 版本检查工具
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export class VersionChecker {
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constructor() {
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this.currentVersion = import.meta.env.VITE_APP_VERSION || Date.now().toString()
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this.storageKey = 'h5_app_version'
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}
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// 检查版本更新
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checkVersion() {
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const storedVersion = localStorage.getItem(this.storageKey)
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if (storedVersion !== this.currentVersion) {
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// 版本不匹配，清除缓存并刷新
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this.clearCache()
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localStorage.setItem(this.storageKey, this.currentVersion)
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// 延迟刷新，确保缓存清理完成
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setTimeout(() => {
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this.forceReload()
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}, 100)
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return true // 需要刷新
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}
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return false // 不需要刷新
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}
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// 清除应用缓存
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clearCache() {
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// 清除localStorage（保留必要的数据）
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const keysToKeep = ['user_token', 'user_info'] // 保留的关键数据
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const allKeys = Object.keys(localStorage)
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allKeys.forEach(key => {
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if (!keysToKeep.includes(key)) {
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localStorage.removeItem(key)
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}
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})
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// 清除sessionStorage
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sessionStorage.clear()
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// 如果支持Service Worker，清除SW缓存
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if ('serviceWorker' in navigator) {
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caches.keys().then(names => {
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names.forEach(name => {
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caches.delete(name)
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})
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})
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}
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}
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// 强制刷新页面
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forceReload() {
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// 尝试硬刷新（清除缓存）
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if (window.location.reload) {
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window.location.reload(true)
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} else {
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// 备用方案：重新加载页面
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window.location.href = window.location.href + '?t=' + Date.now()
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}
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}
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// 获取当前版本
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getCurrentVersion() {
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return this.currentVersion
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}
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}
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// 导出单例
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export const versionChecker = new VersionChecker()
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