/// 获取对象列表 public void GetBucket() { //.cssg-snippet-body-start:[get-bucket] try { string bucket = "examplebucket-1250000000"; //格式:BucketName-APPID GetBucketRequest request = new GetBucketRequest(bucket); //执行请求 GetBucketResult result = cosXml.GetBucket(request); //bucket的相关信息 ListBucket info = result.listBucket; if (info.isTruncated) { // 数据被截断,记录下数据下标 this.nextMarker = info.nextMarker; } } 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 }
private IEnumerable <Picture> GetPicturesByBucket(string bucket) { var request = new GetBucketRequest(bucket); //设置签名有效时长 request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), _cosConfig.DurationSecond); var response = _cosXml.GetBucket(request); var result = response.listBucket.contentsList .Select(it => { var picture = new Picture { Url = $"{_cosConfig.BaseUrl}/{HttpUtility.HtmlEncode(it.key)}", Size = it.size, ETag = it.eTag }; DateTime.TryParse(it.lastModified, out var time); picture.LastModified = time; return(picture); }) .OrderByDescending(it => it.LastModified); return(result); }
public static void test(CosXml cosXml) { List <string> keys = new List <string>(); string bucket = "android-demo-ap-guangzhou"; GetBucketRequest getBucket = new GetBucketRequest(bucket); getBucket.Region = EnumUtils.GetValue(CosRegion.AP_Guangzhou); getBucket.SetSign(COSXML.Utils.TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600); GetBucketResult result = cosXml.GetBucket(getBucket); Console.WriteLine(result.GetResultInfo()); foreach (ListBucket.Contents content in result.listBucket.contentsList) { if (content != null) { keys.Add(content.key); } } if (keys.Count > 0) { COSXML.Model.Object.DeleteMultiObjectRequest deleteMults = new COSXML.Model.Object.DeleteMultiObjectRequest(bucket); deleteMults.SetSign(COSXML.Utils.TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600); deleteMults.Region = EnumUtils.GetValue(CosRegion.AP_Guangzhou); deleteMults.SetObjectKeys(keys); COSXML.Model.Object.DeleteMultiObjectResult deleteMultisResult = cosXml.DeleteMultiObjects(deleteMults); Console.WriteLine(deleteMultisResult.GetResultInfo()); } ListMultiUploadsRequest listMultis = new ListMultiUploadsRequest(bucket); listMultis.Region = EnumUtils.GetValue(CosRegion.AP_Guangzhou); listMultis.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600); ListMultiUploadsResult listMultisResult = cosXml.ListMultiUploads(listMultis); Console.WriteLine(listMultisResult.GetResultInfo()); if (listMultisResult.listMultipartUploads.uploads.Count > 0) { foreach (ListMultipartUploads.Upload upload in listMultisResult.listMultipartUploads.uploads) { if (upload == null) { continue; } string key = upload.key; string uploadId = upload.uploadID; COSXML.Model.Object.AbortMultiUploadRequest abort = new COSXML.Model.Object.AbortMultiUploadRequest(bucket, key, uploadId); abort.Region = EnumUtils.GetValue(CosRegion.AP_Guangzhou); abort.SetSign(COSXML.Utils.TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600); COSXML.Model.Object.AbortMultiUploadResult abortResult = cosXml.AbortMultiUpload(abort); } } }
/// 指定前缀批量删除对象 public void DeletePrefix() { //.cssg-snippet-body-start:[delete-prefix] try { String nextMarker = null; // 循环请求直到没有下一页数据 do { string bucket = "examplebucket-1250000000"; //存储桶,格式:BucketName-APPID string prefix = "folder1/"; //指定前缀 GetBucketRequest listRequest = new GetBucketRequest(bucket); //获取 folder1/ 下的所有对象以及子目录 listRequest.SetPrefix(prefix); listRequest.SetMarker(nextMarker); //执行列出对象请求 GetBucketResult listResult = cosXml.GetBucket(listRequest); ListBucket info = listResult.listBucket; // 对象列表 List <ListBucket.Contents> objects = info.contentsList; // 下一页的下标 nextMarker = info.nextMarker; DeleteMultiObjectRequest deleteRequest = new DeleteMultiObjectRequest(bucket); //设置返回结果形式 deleteRequest.SetDeleteQuiet(false); //对象列表 List <string> deleteObjects = new List <string>(); foreach (var content in objects) { deleteObjects.Add(content.key); } deleteRequest.SetObjectKeys(deleteObjects); //执行批量删除请求 DeleteMultiObjectResult deleteResult = cosXml.DeleteMultiObjects(deleteRequest); //打印请求结果 Console.WriteLine(deleteResult.GetResultInfo()); } while (nextMarker != null); } 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 IEnumerable <IFileEntry> List() { bool isTruncated = true; string filename = null; while (isTruncated) { cosXml = GetCosXml(); string bucket = _cosOptions.Bucket; string prefix = _cosOptions.Path; GetBucketRequest request = new GetBucketRequest(bucket); request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600); if (!string.IsNullOrEmpty(filename)) { request.SetMarker(filename); } if (!string.IsNullOrEmpty(prefix)) { request.SetPrefix(prefix); } GetBucketResult result = cosXml.GetBucket(request); ListBucket info = result.listBucket; isTruncated = result.listBucket.isTruncated; filename = result.listBucket.nextMarker; foreach (var item in info.contentsList) { var last = DateTime.Parse(item.lastModified); var fileName = item.key; if (!string.IsNullOrWhiteSpace(prefix)) { fileName = fileName.Substring(prefix.Length); if (fileName.StartsWith("/", StringComparison.Ordinal)) { fileName = fileName.Trim('/'); } } yield return(new FileEntry(fileName, item.size, last, last)); } } }
public async Task <List <Item> > ListObjectsAsync(string bucketName, string prefix = null) { if (string.IsNullOrEmpty(bucketName)) { throw new ArgumentNullException(nameof(bucketName)); } bucketName = ConvertBucketName(bucketName); ListBucket info = null; string nextMarker = null; List <Item> items = new List <Item>(); do { GetBucketRequest request = new GetBucketRequest(bucketName); if (!string.IsNullOrEmpty(nextMarker)) { request.SetMarker(nextMarker); } if (!string.IsNullOrEmpty(prefix)) { request.SetPrefix(prefix); } //执行请求 GetBucketResult result = _client.GetBucket(request); //bucket的相关信息 info = result.listBucket; if (info.isTruncated) { // 数据被截断,记录下数据下标 nextMarker = info.nextMarker; } foreach (var item in info.contentsList) { items.Add(new Item() { Key = item.key, LastModified = item.lastModified, ETag = item.eTag, Size = (ulong)item.size, IsDir = false, BucketName = bucketName, VersionId = null, }); } } while (info.isTruncated); return(await Task.FromResult(items)); }