C# 复制文件夹

static void CopyDirectory(string srcDir, string tgtDir)
{
DirectoryInfo source = new DirectoryInfo(srcDir);
DirectoryInfo target = new DirectoryInfo(tgtDir);

if (target.FullName.StartsWith(source.FullName, StringComparison.CurrentCultureIgnoreCase))
{
throw new Exception("父目录不能拷贝到子目录！");
}

if (!source.Exists)
{
return;
}

if (!target.Exists)
{
target.Create();
}

FileInfo[] files = source.GetFiles();

for (int i = 0; i < files.Length; i++)
{
File.Copy(files[i].FullName, target.FullName + @"\" + files[i].Name, true);
}

DirectoryInfo[] dirs = source.GetDirectories();

for (int j = 0; j < dirs.Length; j++)
{
CopyDirectory(dirs[j].FullName, target.FullName + @"\" + dirs[j].Name);
}
}