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public static class TxxTool{#region 读取文件大小private static List<string> DirList = new List<string>();public static long GetFileSize(string path){DirList = new List<string>();DirList.Add(path);GetAllDirecotries(path);long fileSize = 0;foreach (var itemPath in DirList){fileSize += GetDirectoriesSize(itemPath);}return fileSize;}private static void GetAllDirecotries(string dirPath){if (Directory.Exists(dirPath) == false){return;}DirectoryInfo[] dirArray = new DirectoryInfo(dirPath).GetDirectories();foreach (DirectoryInfo item in dirArray){DirList.Add(item.FullName);GetAllDirecotries(item.FullName);}}private static long GetDirectoriesSize(string dirPath){if (Directory.Exists(dirPath) == false){return 0;}long size = 0;DirectoryInfo dir = new DirectoryInfo(dirPath);foreach (FileInfo info in dir.GetFiles()){size += info.Length;}DirectoryInfo[] dirBotton = dir.GetDirectories();foreach (DirectoryInfo info in dirBotton){size += GetDirectoriesSize(info.FullName);}return size;}public static string GetFormatSizeString(int size){string[] ns = new string[] { "Byte", "KB", "MB", "GB", "TB", "PB" };double baseNum = 1024;if (size <= 0){return $"{0.ToString("F2")} {ns[0]}";}int pow = Math.Min((int)Math.Floor(Math.Log(size, baseNum)), ns.Length - 1);return $"{(size / Math.Pow(baseNum, pow)).ToString("F2")} {ns[pow]}";}#endregion}
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