/// <summary>
/// 阿里云文件夹
/// </summary>
/// <returns></returns>
public static string SetPath()
{
var Path = DateTime.Now.ToString("yyyyMM/");
var listObjectsRequest = new ListObjectsRequest(bucketName);
listObjectsRequest.Prefix = Path;
var result = client.ListObjects(listObjectsRequest);
if (result.CommonPrefixes.Count() != 0)
{
using (var stream = new MemoryStream())
{
client.PutObject(bucketName, Path, stream);
}
}
return Path;
}
/// <summary>
/// 列出存储空间内的所有文件
/// </summary>
private static void ListObjects()
{
try
{
var keys = new List<string>();
ObjectListing result = null;
string nextMarker = string.Empty;
/// 由于ListObjects每次最多返回100个结果，所以，这里需要循环去获取，直到返回结果中IsTruncated为false
do
{
var listObjectsRequest = new ListObjectsRequest(_bucketName)
{
Marker = nextMarker,
MaxKeys = 100
};
result = _client.ListObjects(listObjectsRequest);
foreach (var summary in result.ObjectSummaries)
{
keys.Add(summary.Key);
}
nextMarker = result.NextMarker;
} while (result.IsTruncated);
Console.WriteLine("列出存储空间中的文件");
foreach (var key in keys)
{
Console.WriteLine("文件名称：{0}", key);
}
}
catch (Exception ex)
{
Console.WriteLine("列出存储空间中的文件失败.原因： {0}", ex.Message);
}
}
public static ObjectListing ListObjects(string maker)
{
ListObjectsRequest request = new ListObjectsRequest(_bucketName);
request.Marker = maker;
return _client.ListObjects(request);
}
public void ListAllObjectsTest()
{
//test folder structure
var folderName = OssTestUtils.GetObjectKey(_className);
var key = folderName + "/" + OssTestUtils.GetObjectKey(_className);
try
{
//upload the object
OssTestUtils.UploadObject(_ossClient, _bucketName, key,
Config.UploadSampleFile, new ObjectMetadata());
//list objects by specifying bucket name
var allObjects = _ossClient.ListObjects(_bucketName);
//default value is 100
Assert.AreEqual(100, allObjects.MaxKeys);
var allObjectsSumm = allObjects.ObjectSummaries.ToList();
//there is already one sample object
Assert.AreEqual(2, allObjectsSumm.Count);
//list objects by specifying folder as prefix
allObjects = _ossClient.ListObjects(_bucketName, folderName);
Assert.AreEqual(folderName, allObjects.Prefix);
allObjectsSumm = allObjects.ObjectSummaries.ToList();
Assert.AreEqual(1, allObjectsSumm.Count);
var loRequest = new ListObjectsRequest(_bucketName);
loRequest.Prefix = folderName;
loRequest.MaxKeys = 10;
loRequest.Delimiter = "/";
allObjects = _ossClient.ListObjects(loRequest);
Assert.AreEqual(folderName, allObjects.Prefix);
Assert.AreEqual("/", allObjects.Delimiter);
//Assert.Fail("List objects using full conditions");
}
finally
{
_ossClient.DeleteObject(_bucketName, key);
}
}