/// 获取对象列表与子目录
public void GetBucketWithDelimiter()
{
//.cssg-snippet-body-start:[get-bucket-with-delimiter]
try
{
string bucket = "examplebucket-1250000000"; //格式：BucketName-APPID
GetBucketRequest request = new GetBucketRequest(bucket);
//获取 a/ 下的对象以及子目录
request.SetPrefix("a/");
//执行请求
GetBucketResult result = cosXml.GetBucket(request);
//bucket的相关信息
ListBucket info = result.listBucket;
// 对象列表
List <ListBucket.Contents> objects = info.contentsList;
// 子目录列表
List <ListBucket.CommonPrefixes> subDirs = info.commonPrefixesList;
}
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
}
/// <summary>
/// 列出指定容器下的对象列表
/// </summary>
/// <param name="containerName"></param>
/// <returns></returns>
public async Task <IList <BlobFileInfo> > ListBlobs(string containerName)
{
if (!string.IsNullOrWhiteSpace(containerName) && !containerName.EndsWith("/"))
{
containerName += "/";
}
var req = new GetBucketRequest(_tcConfig.BucketName);
req.SetPrefix(containerName);
var resp = _cosXmlServer.GetBucket(req);
await resp.HandlerError("获取对象列表出错!");
var list = resp.listBucket.contentsList
.Select(obj =>
new BlobFileInfo
{
Container = containerName?.Trim('/'),
ETag = obj.eTag,
Length = obj.size,
LastModified = Convert.ToDateTime(obj.lastModified),
Name = obj.key.Replace(containerName, string.Empty),
Url = GetUrlByKey(obj.key),
//ContentMD5 =
});
return(list.ToArray());
}
/// <summary>
/// 查询指定路径下面的对象
/// </summary>
/// <param name="tEST"></param>
/// <returns></returns>
public ResultModel <ListBucket> GetBucketResult(string tEST)
{
CosXmlConfig config = new CosXmlConfig.Builder()
.SetConnectionTimeoutMs(SetConnectionTimeoutMs) //设置连接超时时间，单位毫秒，默认45000ms
.SetReadWriteTimeoutMs(SetReadWriteTimeoutMs) //设置读写超时时间，单位毫秒，默认45000ms
.IsHttps(IsHttps) //设置默认 HTTPS 请求
.SetAppid(SetAppid) //设置腾讯云账户的账户标识 APPID
.SetRegion(SetRegion) //设置一个默认的存储桶地域
.Build();
string secretId = SecretId; //云 API 密钥 SecretId
string secretKey = SecretKey; //云 API 密钥 SecretKey
long durationSecond = 600; //每次请求签名有效时长，单位为秒
QCloudCredentialProvider qCloudCredentialProvider = new DefaultQCloudCredentialProvider(secretId,
secretKey, durationSecond);
CosXml cosXml = new CosXmlServer(config, qCloudCredentialProvider);
ResultModel <ListBucket> resu = new ResultModel <ListBucket>();
try
{
string bucket = "yuanguhl"; //格式：BucketName-APPID
GetBucketRequest request = new GetBucketRequest(bucket);
request.Region = "ap-beijing";
//设置签名有效时长
request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600);
//获取 a/ 下的对象
if (!string.IsNullOrEmpty(tEST))
{
request.SetPrefix(tEST);
}
//执行请求
GetBucketResult result = cosXml.GetBucket(request);
//请求成功
resu.date = result.listBucket;
resu.success = true;
return(resu);
}
catch (COSXML.CosException.CosClientException clientEx)
{
//请求失败
resu.success = false;
resu.message = clientEx.InnerException.ToString();
return(resu);
}
catch (COSXML.CosException.CosServerException serverEx)
{
//请求失败
resu.success = false;
resu.message = serverEx.InnerException.ToString();
return(resu);
}
}
/// 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));
}
public void getBucket()
{
//.cssg-snippet-body-start:[get-bucket]
CosXmlConfig config = new CosXmlConfig.Builder()
.SetConnectionTimeoutMs(60000) //设置连接超时时间，单位毫秒，默认45000ms
.SetReadWriteTimeoutMs(40000) //设置读写超时时间，单位毫秒，默认45000ms
.IsHttps(true) //设置默认 HTTPS 请求
.SetAppid("1253653367") //设置腾讯云账户的账户标识 APPID
.SetRegion("ap-guangzhou") //设置一个默认的存储桶地域
.Build();
string secretId = Environment.GetEnvironmentVariable("COS_KEY"); //云 API 密钥 SecretId
string secretKey = Environment.GetEnvironmentVariable("COS_SECRET"); //云 API 密钥 SecretKey
long durationSecond = 600; //每次请求签名有效时长，单位为秒
QCloudCredentialProvider qCloudCredentialProvider = new DefaultQCloudCredentialProvider(secretId,
secretKey, durationSecond);
CosXml cosXml = new CosXmlServer(config, qCloudCredentialProvider);
try
{
string bucket = "bucket-cssg-test-dotnet-1253653367"; //格式：BucketName-APPID
GetBucketRequest request = new GetBucketRequest(bucket);
//设置签名有效时长
request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600);
//获取 a/ 下的对象
request.SetPrefix("a/");
//执行请求
GetBucketResult result = cosXml.GetBucket(request);
//bucket的相关信息
ListBucket info = result.listBucket;
}
catch (COSXML.CosException.CosClientException clientEx)
{
//请求失败
Console.WriteLine("CosClientException: " + clientEx);
Assert.Null(clientEx);
}
catch (COSXML.CosException.CosServerException serverEx)
{
//请求失败
Console.WriteLine("CosServerException: " + serverEx.GetInfo());
Assert.Null(serverEx);
}
//.cssg-snippet-body-end
}
public static void AsynGetBucket(COSXML.CosXml cosXml, string bucket)
{
GetBucketRequest request = new GetBucketRequest(bucket);
request.SetPrefix("a/bed/d");
List <string> queryParameters = new List <string>();
queryParameters.Add("prefix");
queryParameters.Add("max-keys");
//设置签名有效时长
request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600, null, queryParameters);
////设置签名有效时长
//request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600);
///执行请求
cosXml.GetBucket(request,
delegate(CosResult cosResult)
{
GetBucketResult result = cosResult as GetBucketResult;
Console.WriteLine(result.GetResultInfo());
},
delegate(CosClientException clientEx, CosServerException serverEx)
{
if (clientEx != null)
{
QLog.D("XIAO", clientEx.Message);
Console.WriteLine("CosClientException: " + clientEx.Message);
}
if (serverEx != null)
{
QLog.D("XIAO", serverEx.Message);
Console.WriteLine("CosServerException: " + serverEx.GetInfo());
}
});
}
public static void GetBucket(COSXML.CosXml cosXml, string bucket)
{
GetBucketRequest request = new GetBucketRequest(bucket);
//设置签名有效时长
//request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600);
request.SetPrefix("a/中文/d");
List <string> headerKeys = new List <string>();
headerKeys.Add("Host");
List <string> queryParameters = new List <string>();
queryParameters.Add("prefix");
queryParameters.Add("max-keys");
request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600, headerKeys, queryParameters);
//执行请求
GetBucketResult result = cosXml.GetBucket(request);
Console.WriteLine(result.GetResultInfo());
//try
//{
// GetBucketRequest request = new GetBucketRequest(bucket);
// //设置签名有效时长
// //request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600);
// request.SetPrefix("a/中文/d");
// List<string> headerKeys = new List<string>();
// headerKeys.Add("Host");
// List<string> queryParameters = new List<string>();
// queryParameters.Add("prefix");
// queryParameters.Add("max-keys");
// request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600, headerKeys, queryParameters);
// //执行请求
// GetBucketResult result = cosXml.GetBucket(request);
// Console.WriteLine(result.GetResultInfo());
//}
//catch (COSXML.CosException.CosClientException clientEx)
//{
// QLog.D("XIAO", clientEx.Message);
// Console.WriteLine("CosClientException: " + clientEx.Message);
//}
//catch (COSXML.CosException.CosServerException serverEx)
//{
// QLog.D("XIAO", serverEx.Message);
// Console.WriteLine("CosServerException: " + serverEx.GetInfo());
//}
}
/// <summary>
/// 查找新版本更新文件路径
/// </summary>
/// <returns></returns>
public Task <(string path, string version)> FindNewUpdate()
{
CoreEngine.Current.Logger.Info($"检查更新：查找新版本");
var tcsResult = new TaskCompletionSource <(string s, string ss)>();
if (null == SuperEngine.Current.GlobalConfig)
{
CoreEngine.Current.Logger.Info($"检查更新失败：更新配置为空");
tcsResult.SetResult((null, null));
return(tcsResult.Task);
}
string fileHeadPath = $@"https://{SuperEngine.Current.GlobalConfig.BucketName}.cos.{SuperEngine.Current.GlobalConfig.Region}.myqcloud.com/";
CoreEngine.Current.Logger.Info($"检查更新：版本更新文件路径：{fileHeadPath}");
try
{
string bucket = SuperEngine.Current.GlobalConfig.BucketName; //格式：BucketName-APPID
GetBucketRequest request = new GetBucketRequest(bucket);
//设置签名有效时长
request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600);
//获取 a/ 下的对象
request.SetPrefix(SuperEngine.Current.GlobalConfig.UpdatePath);
if (null == SuperEngine.Current.CosXml)
{
tcsResult.SetResult((null, null));
return(tcsResult.Task);
}
request.SetMaxKeys("10");
CoreEngine.Current.Logger.Info($"检查更新：请求网络");
//执行请求
GetBucketResult result = SuperEngine.Current.CosXml.GetBucket(request);
//请求成功
var entityList = result.listBucket.contentsList;
CoreEngine.Current.Logger.Info($"检查更新：请求成功，返回条目数量：{entityList.Count}");
var list = entityList.OrderByDescending(a => a.lastModified).ToList();
foreach (var ett in list)
{
var fullPath = Path.Combine(fileHeadPath, ett.key);
var extension = Path.GetExtension(fullPath);
if (extension == ".bwp")
{
var fileName = Path.GetFileNameWithoutExtension(fullPath);
try
{
if (SuperEngine.Current.IsVersionNewer(fileName))
{
//return fullPath;
tcsResult.SetResult((fullPath, fileName));
return(tcsResult.Task);
}
}
catch
{
break;
}
}
}
tcsResult.SetResult((null, null));
return(tcsResult.Task);
}
catch (COSXML.CosException.CosClientException clientEx)
{
//请求失败
CoreEngine.Current.Logger.Error(clientEx, $"检查更新失败：COS客户端异常");
Console.WriteLine("CosClientException: " + clientEx);
}
catch (COSXML.CosException.CosServerException serverEx)
{
//请求失败
CoreEngine.Current.Logger.Error(serverEx, $"检查更新失败：COS服务端异常");
Console.WriteLine("CosServerException: " + serverEx.GetInfo());
}
catch (Exception e)
{
CoreEngine.Current.Logger.Error(e, $"检查更新失败：其他异常");
}
tcsResult.SetResult((null, null));
return(tcsResult.Task);
}