private void button3_Click(object sender, EventArgs e)
{
IAlbumManager manager = new AlbumManager();
List <Album> albums = manager.GetAlbumList();
foreach (Album _album in albums)
{
listBox1.Items.Add(string.Format("{0}共有{1}张相片!", _album.AlbumName, _album.SubPhotos.Count));
}
}