下面代码演示如何使用智能云相册的.Net SDK来完成照片上传、获取照片缩略图和删除照片等基本功能。请参考代码中的注释填写相关配置。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Aliyun.Acs.Core;
using Aliyun.Acs.Core.Profile;
using Aliyun.Acs.CloudPhoto.Model.V20170711;
using Aliyun.Acs.Core.Http;
using System.IO;
using System.Security.Cryptography;
using Aliyun.OSS;
namespace ConsoleApp1
{
    class Program
    {
        // 具有访问智能云相册权限的AK，可以是主账号的AK，也可以是授权后的子账号AK。
        static string ACCESS_KEY_ID = "";
        static string ACCESS_KEY_SECRET = "";
        // 修改为您的StoreName和照片库Id
        static string STORE_NAME = "";
        static string LID_ID = "";
        // 本地待上传文件的路径
        static string FILE_TO_UPLOAD = "";
        static void Main(string[] args)
        {
            // 构建Client对象
            IClientProfile profile = DefaultProfile.GetProfile("cn-shanghai", ACCESS_KEY_ID, ACCESS_KEY_SECRET);
            DefaultAcsClient client = new DefaultAcsClient(profile);
            // 上传照片
            long id = UploadPhoto(client, FILE_TO_UPLOAD);
            // 获取照片的访问地址
            GetAccessUrl(client, id);
            Console.WriteLine("Press any key to continue.");
            Console.Read();
            // 删除照片
            DeletePhoto(client, id);
            Console.WriteLine("Press any key to exit.");
            Console.Read();
        }
        static long UploadPhoto(DefaultAcsClient acsClient, string filepath)
        {
            // 读取本地文件并计算其MD5值
            FileStream stream = new FileStream(filepath, FileMode.Open);
            long len = stream.Length;
            string md5Str = "";
            using (var md5 = MD5.Create())
            {
                var hash = md5.ComputeHash(stream);
                md5Str = BitConverter.ToString(hash).Replace("-", "").ToLowerInvariant();
                stream.Close();
            }
            Console.WriteLine("md5 = " + md5Str);
            // 开启上传事务
            CreateTransactionRequest request = new CreateTransactionRequest()
            {
                StoreName = STORE_NAME,
                LibraryId = LID_ID,
                Md5 = md5Str,
                Size = len,
                Ext = "jpg",
                AcceptFormat = FormatType.JSON
            };
            // 获取上传照片到OSS的相关信息
            CreateTransactionResponse response = acsClient.GetAcsResponse(request);
            CreateTransactionResponse.CreateTransaction_Transaction trans = response.Transaction;
            var upload = trans.Upload;
            // 通过OSS Client上传照片到OSS
            var ossClient = new OssClient(upload.OssEndpoint, upload.AccessKeyId, upload.AccessKeySecret, upload.StsToken);
            ossClient.PutObject(upload.Bucket, upload.ObjectKey, filepath);
            // 提交上传事务，完成文件上传
            CreatePhotoRequest createPhotoRequest = new CreatePhotoRequest()
            {
                StoreName = STORE_NAME,
                LibraryId = LID_ID,
                FileId = upload.FileId,
                SessionId = upload.SessionId,
                PhotoTitle = "no title",
                UploadType = "manual",
                AcceptFormat = FormatType.JSON
            };
            var createPhotoResponse = acsClient.GetAcsResponse(createPhotoRequest);
            long photoId = (long)createPhotoResponse.Photo.Id;
            Console.WriteLine("uploaded photo, id = " + photoId);
            return photoId;
        }
        static void GetAccessUrl(DefaultAcsClient acsClient, long photoId)
        {
            GetThumbnailRequest request = new GetThumbnailRequest()
            {
                StoreName = STORE_NAME,
                LibraryId = LID_ID,
                PhotoId = photoId,
                ZoomType = "image/resize,m_lfit,h_1280,w_1280",
                AcceptFormat = FormatType.JSON
            };
            var response = acsClient.GetAcsResponse(request);
            Console.WriteLine("access url = " + response.ThumbnailUrl);
        }
        static void DeletePhoto(DefaultAcsClient acsClient, long photoId)
        {
            List<long?> ids = new List<long?>();
            ids.Add(photoId);
            DeletePhotosRequest request = new DeletePhotosRequest()
            {
                StoreName = STORE_NAME,
                LibraryId = LID_ID,
                PhotoIds = ids,
                AcceptFormat = FormatType.JSON
            };
            acsClient.GetAcsResponse(request);
        }
    }
}