using System.IO;
    /// <summary>
    /// 獲取指定目錄下的所有文件夾名
    /// </summary>
    /// <param name="path">目錄路徑</param>
    /// <returns>string，返回所有文件夾名字</returns>
    public string GetAllFolder(string path)
    {
    string folder_Names = "";
    DirectoryInfo dir = new DirectoryInfo(path);
    foreach (DirectoryInfo subdir in dir.GetDirectories())
    folder_Names += subdir.FullName + ",";
    return folder_Names;
    }

C#代碼

1. using System.IO;
2. /// <summary>
3. /// 獲取指定目錄下的所有文件和文件夾大小
4. /// </summary>
5. /// <param name="path">目錄路徑</param>
6. /// <returns>string，返回所有文件夾名字</returns>
7. protected long GetDirectorySize(string path)
8. {
9. long dirSize = 0;
10. DirectoryInfo dir = new DirectoryInfo(path);
11. foreach (FileInfo file in dir.GetFiles())
12. dirSize += file.Length;
13. foreach (DirectoryInfo subdir in dir.GetDirectories())
14. dirSize += GetDirectorySize(subdir.FullName);
15. return dirSize;
16. }