C# 复制文件夹内所有内容

public void CopyDirectory(string scrPath, string savePath)
{
if (Directory.Exists(scrPath))//检查路径(目录)是否存在
{
if (!Directory.Exists(savePath))
Directory.CreateDirectory(savePath);
string[] sdd = DateTime.Now.GetDateTimeFormats();
string subSavePath = savePath + "\\" + DateTime.Now.GetDateTimeFormats()[10];
Directory.CreateDirectory(savePath + "\\" + DateTime.Now.GetDateTimeFormats()[10]);

string[] aFiles = Directory.GetFiles(scrPath);
string[] aDirectory = Directory.GetDirectories(scrPath);
for (int i = 0; i < aFiles.Length; i++)
{
FileInfo fi = new FileInfo(aFiles[i]);
long fileSize = fi.Length;//文件大小

File.Copy(aFiles[i], subSavePath + "\\" + fi.Name);
}
if (aDirectory.Length != 0)
{
for (int i = 0; i < aDirectory.Length; i++)
{
string aName = aDirectory[i].Substring(aDirectory[i].LastIndexOf('\\'));
CopyDirectory(aDirectory[i], subSavePath + aName);
}
}
}
}
}