public static void SyncAppendObject(string bucketName)
{
const string key = "AppendObject";
long position = 0;
ulong initCrc = 0;
try
{
var metadata = client.GetObjectMetadata(bucketName, key);
position = metadata.ContentLength;
initCrc = ulong.Parse(metadata.Crc64);
}
catch (Exception) {}
try
{
using (var fs = File.Open(fileToUpload, FileMode.Open))
{
var request = new AppendObjectRequest(bucketName, key)
{
ObjectMetadata = new ObjectMetadata(),
Content = fs,
Position = position,
InitCrc = initCrc
};
var result = client.AppendObject(request);
position = result.NextAppendPosition;
initCrc = result.HashCrc64Ecma;
Console.WriteLine("Append object succeeded, next append position:{0}", position);
}
// append object by using NextAppendPosition
using (var fs = File.Open(fileToUpload, FileMode.Open))
{
var request = new AppendObjectRequest(bucketName, key)
{
ObjectMetadata = new ObjectMetadata(),
Content = fs,
Position = position,
InitCrc = initCrc
};
var result = client.AppendObject(request);
position = result.NextAppendPosition;
Console.WriteLine("Append object succeeded too, next append position:{0}", position);
}
}
catch (OssException ex)
{
Console.WriteLine("Failed with error code: {0}; Error info: {1}. \nRequestID:{2}\tHostID:{3}",
ex.ErrorCode, ex.Message, ex.RequestId, ex.HostId);
}
catch (Exception ex)
{
Console.WriteLine("Failed with error info: {0}", ex.Message);
}
}
/// <summary>
/// 追加上传
/// </summary>
/// <param name="bucketName"></param>
/// <param name="fileToUpload"></param>
/// <returns></returns>
public string SyncAppendObject(string bucketName, string fileToUpload)
{
string key = DateTime.Now.ToSerialNumber() + Path.GetExtension(fileToUpload);
long position = 0;
try
{
var metadata = client.GetObjectMetadata(bucketName, key);
position = metadata.ContentLength;
}
catch (Exception) { }
try
{
using (var fs = File.Open(fileToUpload, FileMode.Open))
{
var request = new AppendObjectRequest(bucketName, key)
{
ObjectMetadata = new ObjectMetadata(),
Content = fs,
Position = position
};
var result = client.AppendObject(request);
position = result.NextAppendPosition;
}
// append object by using NextAppendPosition
using (var fs = File.Open(fileToUpload, FileMode.Open))
{
var request = new AppendObjectRequest(bucketName, key)
{
ObjectMetadata = new ObjectMetadata(),
Content = fs,
Position = position
};
var result = client.AppendObject(request);
position = result.NextAppendPosition;
}
}
catch (OssException ex)
{
}
catch (Exception ex)
{
}
return(key);
}
public void CreateOrAppend(FileId id, System.IO.Stream stream)
{
_OssClient.AppendObject(new AppendObjectRequest(_BucketName, id.ToString())
{
Content = stream
});
}
//追加文件（防止添加重复相片）
public static void AppendObject()
{
//第一次追加文件的时候，文件可能已经存在，先获取文件的当前长度，如果不存在，position为0，如果存在则不会添加进去
long position = 0;
try
{
var client = new OssClient("oss-cn-shenzhen.aliyuncs.com", "LTAId7dsrQHujhU5", "O3nQOqai4yXrvGCKNbvgrKuU8f7U7p");
var metadata = client.GetObjectMetadata("flowera", "2.jpg");
position = metadata.ContentLength;
}
catch (Exception) { }
try
{
var client = new OssClient("oss-cn-shenzhen.aliyuncs.com", "LTAId7dsrQHujhU5", "O3nQOqai4yXrvGCKNbvgrKuU8f7U7p");
using (var fs = File.Open("D:/Users/pc/Desktop/个人文件/AlbumProject/AlbumProject/Content/2.jpg", FileMode.Open))
{
var request = new AppendObjectRequest("flowera", "2.jpg")
{
ObjectMetadata = new ObjectMetadata(),
Content = fs,
Position = position
};
var result = client.AppendObject(request);
// 设置下次追加文件时的position位置
position = result.NextAppendPosition;
Console.WriteLine("Append object succeeded, next append position:{0}", position);
}
// 再次追加文件，这时候的position值可以从上次的结果中获取到
using (var fs = File.Open("D:/Users/pc/Desktop/个人文件/AlbumProject/AlbumProject/Content/2.jpg", FileMode.Open))
{
var request = new AppendObjectRequest("flowera", "2.jpg")
{
ObjectMetadata = new ObjectMetadata(),
Content = fs,
Position = position
};
var result = client.AppendObject(request);
position = result.NextAppendPosition;
Console.WriteLine("Append object succeeded, next append position:{0}", position);
}
}
catch (Exception ex)
{
Console.WriteLine("Append object failed, {0}", ex.Message);
}
}
public static void AppendObjectProgress(string bucketName)
{
const string key = "AppendObjectProgress";
long position = 0;
try
{
using (var fs = File.Open(fileToUpload, FileMode.Open))
{
var request = new AppendObjectRequest(bucketName, key)
{
ObjectMetadata = new ObjectMetadata(),
Content = fs,
Position = position
};
request.StreamTransferProgress += streamProgressCallback;
var result = client.AppendObject(request);
position = result.NextAppendPosition;
Console.WriteLine("Append object succeeded, next append position:{0}", position);
}
}
catch (OssException ex)
{
Console.WriteLine("Failed with error code: {0}; Error info: {1}. \nRequestID:{2}\tHostID:{3}",
ex.ErrorCode, ex.Message, ex.RequestId, ex.HostId);
}
catch (Exception ex)
{
Console.WriteLine("Failed with error info: {0}", ex.Message);
}
finally
{
client.DeleteObject(bucketName, key);
}
}
