using Aliyun.OSS; using System; namespace YD_WeChatApplet.Commons.Extend { public class ALiOSSHelper { public static PutObjectResult Upload(string filename, string decodedString, string accessKeyId, string accessKeySecret, string EndPoint, string bucketName) { //创建OssClient实例。 var client = new OssClient(EndPoint, accessKeyId, accessKeySecret); byte[] buffer = Convert.FromBase64String(decodedString.Split(',')[1]); System.IO.Stream iStream = new System.IO.MemoryStream(buffer); // 上传文件。 PutObjectResult result = client.PutObject(bucketName, filename, iStream); return result; } } }