又拍云 SDK .net Core版
Nuget安装指令：
Install-Package UpYun.NETCore示例代码：
UpYunClient upyun = new UpYunClient(bucketName, username, password, httpClientFactory);
byte[] bytes = Encoding.UTF8.GetBytes("www.youzack.com");
var a = await upyun.WriteFileAsync("/test.txt", bytes, true);