OC写法: swift写法再下下面。 清除WKWebView的缓存,让H5页面一刷新就更新至最新的页面 要区分iOS9.0和8.0两种 - (void)deleteWebCache { if ([[UIDevice currentDevice].systemVersion floatValue] >= 9.0) { NSSet *websiteDataTypes = [NSSet setWithArray:@[ WKWebsiteDataTypeDiskCache, //WKWebsiteDataTypeOfflineWebApplicationCache, WKWebsiteDataTypeMemoryCache, //WKWebsiteDataTypeLocalStorage, //WKWebsiteDataTypeCookies, //WKWebsiteDataTypeSessionStorage, //WKWebsiteDataTypeIndexedDBDatabases, //WKWebsiteDataTypeWebSQLDatabases ]]; //// All kinds of data //NSSet *websiteDataTypes = [WKWebsiteDataStore allWebsiteDataTypes]; //// Date from NSDate *dateFrom = [NSDate dateWithTimeIntervalSince1970:]; //// Execute [[WKWebsiteDataStore defaultDataStore] removeDataOfTypes:websiteDataTypes modifiedSince:dateFrom completionHandler:^{ // Done }]; } else { NSString *libraryPath = [NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES) objectAtIndex:]; NSString *cookiesFolderPath = [libraryPath stringByAppendingString:@"/Cookies"]; NSError *errors; [[NSFileManager defaultManager] removeItemAtPath:cookiesFolderPath error:&errors]; } } swift: // MARK: - 清空缓存 func ClearCache() { let dateFrom: NSDate = NSDate.init(timeIntervalSince1970: ) if #available(iOS 9.0, *) { let websiteDataTypes: NSSet = WKWebsiteDataStore.allWebsiteDataTypes() WKWebsiteDataStore.defaultDataStore().removeDataOfTypes(websiteDataTypes as! Set<String>, modifiedSince: dateFrom) { print("清空缓存完成") } } else { let libraryPath = NSSearchPathForDirectoriesInDomains(.LibraryDirectory, .UserDomainMask, true)[] let cookiesFolderPath = libraryPath.stringByAppendingString("/Cookies") let errors: NSError try? NSFileManager.defaultManager().removeItemAtPath(cookiesFolderPath) } }