Tencent.QCloud.Cos.Sdk 5.4.0

在执行任何和 COS 服务相关请求之前，都需要先实例化CosXmlConfig , QCloudCredentialProvider , CosXmlServer3个对象. 其中

• CosXmlConfig 提供了配置 SDK 的接口.
• QCloudCredentialProvider 提供了设置密钥信息接口.
• CosXmlServer 提供了各种 COS API 服务接口

//初始化 CosXmlConfig 
string appid = "1250000000";//设置腾讯云账户的账户标识 APPID
string region = "ap-beijing"; //设置一个默认的存储桶地域
CosXmlConfig config = new CosXmlConfig.Builder()
	.SetConnectionTimeoutMs(60000)  //设置连接超时时间，单位 毫秒 ，默认 45000ms
	.SetReadWriteTimeoutMs(40000)  //设置读写超时时间，单位 毫秒 ，默认 45000ms
	.IsHttps(true)  //设置默认 https 请求
	.SetAppid(appid)  //设置腾讯云账户的账户标识 APPID
	.SetRegion(region)  //设置一个默认的存储桶地域
	.SetDebugLog(true)  //显示日志
	.Build();  //创建 CosXmlConfig 对象

//初始化 QCloudCredentialProvider ，SDK中提供了3种方式：永久密钥 、 临时密钥  、 自定义 
QCloudCredentialProvider cosCredentialProvider  =  null;

string secretId = "COS_SECRETID"; //"云 API 密钥 SecretId";
string secretKey = "COS_SECRETKEY"; //"云 API 密钥 SecretKey";
long durationSecond = 600;  //secretKey 有效时长,单位为 秒
cosCredentialProvider = new DefaultQCloudCredentialProvider(secretId, secretKey, durationSecond);

//初始化 CosXmlServer
CosXmlServer cosXml = new CosXmlServer(config, cosCredentialProvider);

上传对象

try
{
	string bucket = "examplebucket-1250000000"; //存储桶，格式：BucketName-APPID
	string key = "exampleobject"; //对象在存储桶中的位置，即称对象键.
	string srcPath = @"F:\exampleobject"；//本地文件绝对路径
	PutObjectRequest request = new PutObjectRequest(bucket, key, srcPath);
	//设置签名有效时长
	request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600);
	//设置进度回调
	request.SetCosProgressCallback(delegate(long completed, long total)
	{
		Console.WriteLine(String.Format("progress = {1:##.##}%", completed * 100.0 / total));
	});
	//执行请求
	PutObjectResult result = cosXml.PutObject(request);
	//请求成功
	Console.WriteLine(result.GetResultInfo());
}
catch (COSXML.CosException.CosClientException clientEx)
{	
	//请求失败
	Console.WriteLine("CosClientException: " + clientEx.Message);
}
catch (COSXML.CosException.CosServerException serverEx)
{
	//请求失败
	Console.WriteLine("CosServerException: " + serverEx.GetInfo());
}

**// 大文件需要使用分片上传(), 可参考 SDK 中封装的 TransferManager  和 COSXMLUploadTask 类, 如下示例 **
TransferManager transferManager = new TransferManager(cosXml, new TransferConfig());
COSXMLUploadTask uploadTask = new COSXMLUploadTask(bucket, null, key);
uploadTask.SetSrcPath(srcPath);
uploadTask.progressCallback = delegate (long completed, long total)
{
	Console.WriteLine(String.Format("progress = {1:##.##}%", completed * 100.0 / total));
};
uploadTask.successCallback = delegate (CosResult cosResult) 
{
	COSXML.Transfer.COSXMLUploadTask.UploadTaskResult result = cosResult as COSXML.Transfer.COSXMLUploadTask.UploadTaskResult;
	Console.WriteLine(result.GetResultInfo());
};
uploadTask.failCallback = delegate (CosClientException clientEx, CosServerException serverEx) 
{
	if (clientEx != null)
	{
		Console.WriteLine("CosClientException: " + clientEx.Message);
	}
	if (serverEx != null)
	{
		Console.WriteLine("CosServerException: " + serverEx.GetInfo());
	}
};
transferManager.Upload(uploadTask);