/// POST 方式上传对象
public void PostObject()
{
//.cssg-snippet-body-start:[post-object]
try
{
string bucket = "examplebucket-1250000000"; //存储桶，格式：BucketName-APPID
string key = "exampleobject"; //对象键
string srcPath = @"temp-source-file"; //本地文件绝对路径
PostObjectRequest request = new PostObjectRequest(bucket, key, srcPath);
//设置进度回调
request.SetCosProgressCallback(delegate(long completed, long total)
{
Console.WriteLine(String.Format("progress = {0:##.##}%", completed * 100.0 / total));
});
//执行请求
PostObjectResult result = cosXml.PostObject(request);
//请求成功
Console.WriteLine(result.GetResultInfo());
}
catch (COSXML.CosException.CosClientException clientEx)
{
//请求失败
Console.WriteLine("CosClientException: " + clientEx);
}
catch (COSXML.CosException.CosServerException serverEx)
{
//请求失败
Console.WriteLine("CosServerException: " + serverEx.GetInfo());
}
//.cssg-snippet-body-end
}
public async Task <bool> PutObjectAsync(string bucketName, string objectName, Stream data, CancellationToken cancellationToken = default)
{
byte[] StreamToBytes(Stream stream)
{
byte[] bytes = new byte[stream.Length];
stream.Read(bytes, 0, bytes.Length);
// 设置当前流的位置为流的开始
stream.Seek(0, SeekOrigin.Begin);
return(bytes);
}
if (string.IsNullOrEmpty(bucketName))
{
throw new ArgumentNullException(nameof(bucketName));
}
if (string.IsNullOrEmpty(objectName))
{
throw new ArgumentNullException(nameof(objectName));
}
byte[] upload = StreamToBytes(data);
if (upload == null || upload.Length == 0)
{
throw new Exception("Upload file stram is null.");
}
string contentType = "application/octet-stream";
if (data is FileStream fileStream)
{
string fileName = fileStream.Name;
if (!string.IsNullOrEmpty(fileName))
{
new FileExtensionContentTypeProvider().TryGetContentType(fileName, out contentType);
}
}
if (string.IsNullOrEmpty(contentType))
{
contentType = "application/octet-stream";
}
bucketName = ConvertBucketName(bucketName);
PostObjectRequest request = new PostObjectRequest(bucketName, objectName, upload);
request.SetContentType(contentType);
PostObjectResult result = _client.PostObject(request);
return(await Task.FromResult(result.IsSuccessful()));
}
