git clone https://github.com/qiniu/csharp-sdk

Install-Package Newtonsoft.Json

using System;
using Qiniu.Util;
using Qiniu.Storage;
using System.IO;

namespace ConsoleDemo
{
	class SimpleUploadDemo
	{
    	public static void Main(string[] args)
    	{
        	string AK = "ACCESS_KEY";
        	string SK = "SECRET_KEY";
        	// 目标空间名
        	string bucket = "TARGET_BUCKET";
        	// 目标文件名
        	string saveKey = "SAVE_KEY";
        	// 本地文件
        	string localFile = "LOCAL_FILE";

        	// 上传策略
        	PutPolicy putPolicy = new PutPolicy();
        	// 设置要上传的目标空间
        	putPolicy.Scope = bucket;
        	// 上传策略的过期时间(单位:秒)
        	putPolicy.SetExpires(3600);
        	// 文件上传完毕后，在多少天后自动被删除
        	putPolicy.DeleteAfterDays = 1;
			
			// 请注意这里的Zone设置(如果不设置，就默认为华东机房)
			// var zoneId = Qiniu.Common.AutoZone.Query(AK,BUCKET);
			// Qiniu.Common.Config.ConfigZone(zoneId);

        	Mac mac = new Mac(AK,SK); // Use AK & SK here
        	// 生成上传凭证
        	string uploadToken = Auth.createUploadToken(putPolicy, mac);

        	UploadOptions uploadOptions = null;

        	// 上传完毕事件处理
        	UpCompletionHandler uploadCompleted = new UpCompletionHandler(OnUploadCompleted);

			// 方式1：使用UploadManager
        	//默认设置 Qiniu.Common.Config.PUT_THRESHOLD = 512*1024;
        	//可以适当修改,UploadManager会根据这个阈值自动选择是否使用分片(Resumable)上传	
        	UploadManager um = new UploadManager();
        	um.uploadFile(localFile, saveKey, token, uploadOptions, uploadCompleted);

			// 方式2：使用FormManager
        	//FormUploader fm = new FormUploader();
        	//fm.uploadFile(localFile, saveKey, token, uploadOptions, uploadCompleted);

        	Console.ReadKey();
    	}
	
		private static void OnUploadCompleted(string key, ResponseInfo respInfo, string respJson)
    	{
        	// respInfo.StatusCode
        	// respJson是返回的json消息，示例: { "key":"FILE","hash":"HASH","fsize":FILE_SIZE }
    	}
	}
}

using System;
using Qiniu.Util;
using Qiniu.Storage;
using System.IO;

namespace ConsoleDemo
{
	class ResumableUploadDemo
	{
    	public static void Main(string[] args)
    	{
        	string AK = "ACCESS_KEY";
        	string SK = "SECRET_KEY";
        	string bucket = "TARGET_BUCKET";
        	string saveKey = "SAVE_KEY";
        	string localFile = "LOCAL_FILE";
        	// 上传进度记录保存的目录
        	string recordPath = "RECORD_PATH";
        	// 上传进度保存为文件
        	string recordFile = "RECORD_FILE";
			
			// 设置上传时的分片大小(单位为字节,已默认设置为2MB,不得大于4MB,一般保留默认即可)
			// Qiniu.Common.CHUNK_SIZE = N_CHUNK_SIZE;
		
			UploadOptions uploadOptions = new UploadOptions(
            	null, // ExtraParams
            	null, // MimeType
            	false,  // CheckCrc32
            	new UpProgressHandler(OnUploadProgressChanged), // 上传进度
            	null // CancelSignal
            	);

        	UpCompletionHandler uploadCompleted = new UpCompletionHandler(OnUploadCompleted); // 上传完毕
		
        	// 上传时会将当前进度记录写到文件，下次可以“断点续传”
        	ResumeRecorder rr = new ResumeRecorder(recordPath);
        	// 开始上传
        	ResumeUploader ru = new ResumeUploader(
            	rr,               // 续传记录
            	recordFile,       // 续传记录文件
            	localFile,        // 待上传的本地文件
            	saveKey,          // 要保存的文件名
            	token,            // 上传凭证
            	uploadOptions,    // 上传选项(其中包含进度处理)，可为null
            	uploadCompleted   // 上传完毕事件处理
            	); 
			
        	ru.uploadFile();
        	Console.ReadKey();
    	}
	
		private static void OnUploadProgressChanged(string key,double percent)
    	{
        	// percent = [0(开始)~1.0(完成)]
    	}

    	private static void OnUploadCompleted(string key,ResponseInfo respInfo,string respJson)
    	{
        	// respInfo.StatusCode
        	// respJson是返回的json消息，示例: { "key":"FILE","hash":"HASH","fsize":FILE_SIZE }
    	}
	}
}

// 不使用CDN
Qiniu.Common.Config.UploadFromCDN = false; 

using Qiniu.Util;
// AK = "ACCESS_KEY"
// SK = "SECRET_KEY"
// 加上过期参数，使用 ?e=<UnixTimestamp>
// 如果rawUrl中已包含?，则改用&e=<UnixTimestamp>
// rawURL = "RAW_URL" + "?e=1482207600"; 
Mac mac = new Mac(AK,SK);
string token = Auth.createDownloadToken(rawUrl, mac);
string signedURL = rawURL + "&token=" + token;

// AK = "ACCESS_KEY"
// SK = "SECRET_KEY"
Mac mac = new Mac(AK, SK);
BucketManager bm = new BucketManager(mac);

string bucket = "BUCKET"; // 目标空间
string marker = ""; // 首次请求时marker必须为空
string prefix = null; // 按文件名前缀保留搜索结果
string delimiter = null; // 目录分割字符(比如"/")
int limit = 100; // 最大值1000

// 返回结果存储在items中
List<FileDesc> items = new List<FileDesc>();

// 由于limit限制，可能需要执行多次操作
// 返回值中Marker字段若非空，则表示文件数超过了limit
do
{
	var result = bm.listFiles(bucket, prefix, marker, limit, delimiter);
	marker = result.Marker;
	if (result.Items != null)
	{
		items.AddRange(result.Items);
	}
} while (!string.IsNullOrEmpty(marker));

// 在这里处理文件列表items

// AK = ACCESS_KEY
// SK = SECRET_KEY
Mac mac = new Mac(AK, SK);
// 批量操作类似于
// op=<op1>&op=<op2>&op=<op3>...
string batchOps = "BATCH_OPS";
BucketManager bm = new BucketManager(mac);
HttpResult result = bm.batch(batchOps);
// 或者
//string[] batch_ops={"<op1>","<op2>","<op3>",...};
//bm.batch(batch_ops);
//返回结果在这里result.Response