public static void AsyncGetObject(COSXML.CosXml cosXml, string bucket, string key, string localDir, string localFileName)
{
GetObjectRequest request = new GetObjectRequest(bucket, key, localDir, localFileName);
//设置签名有效时长
request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600);
request.SetCosProgressCallback(delegate(long completed, long total)
{
Console.WriteLine(String.Format("progress = {0} / {1} : {2:##.##}%", completed, total, completed * 100.0 / total));
});
//执行请求
cosXml.GetObject(request, delegate(CosResult result)
{
GetObjectResult getObjectResult = result as GetObjectResult;
Console.WriteLine(getObjectResult.GetResultInfo());
}, delegate(CosClientException clientEx, CosServerException serverEx)
{
if (clientEx != null)
{
QLog.D("XIAO", clientEx.Message);
Console.WriteLine("CosClientException: " + clientEx.StackTrace);
}
if (serverEx != null)
{
QLog.D("XIAO", serverEx.Message);
Console.WriteLine("CosServerException: " + serverEx.GetInfo());
}
});
}
public void GetObject(COSXML.CosXml cosXml, string bucket, string key, string localDir, string localFileName)
{
try
{
GetObjectRequest request = new GetObjectRequest(bucket, key, localDir, localFileName);
//设置签名有效时长
request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600);
request.SetCosProgressCallback(delegate(long completed, long total)
{
// Console.WriteLine(String.Format("progress = {0} / {1} : {2:##.##}%", completed, total, completed * 100.0 / total));
});
//执行请求
GetObjectResult result = cosXml.GetObject(request);
Console.WriteLine(result.GetResultInfo());
}
catch (COSXML.CosException.CosClientException clientEx)
{
Console.WriteLine("CosClientException: " + clientEx.Message);
Assert.True(false);
}
catch (COSXML.CosException.CosServerException serverEx)
{
Console.WriteLine("CosServerException: " + serverEx.GetInfo());
Assert.True(false);
}
}
public async Task <ResponseModel> DownObject(string key, string localDir, string localFileName)
{
try
{
string bucket = _buketName + "-" + _appid; //存储桶名称 格式：BucketName-APPID
GetObjectRequest request = new GetObjectRequest(bucket, key, localDir, localFileName);
//设置签名有效时长
request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600);
//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
GetObjectResult result = await Task.FromResult(_cosXml.GetObject(request));
return(new ResponseModel {
Code = 200, Message = result.GetResultInfo()
});
}
catch (CosClientException clientEx)
{
return(new ResponseModel {
Code = 0, Message = "CosClientException: " + clientEx.Message
});
}
catch (CosServerException serverEx)
{
return(new ResponseModel {
Code = 0, Message = serverEx.GetInfo()
});
}
}
/// <summary>
/// 分段下载
/// </summary>
/// <param name="key"></param>
/// <param name="targetFolder"></param>
/// <param name="start"></param>
/// <param name="end"></param>
/// <returns></returns>
public static DownloadResult DownloadObject(DownloadRecord record, string targetFolder, long start, long end)
{
DownloadResult downloadResult = new DownloadResult();
Random reum = new Random();
int randomdata = reum.Next(100000);
string tempFileName = DateUtil.currentTimeMillis(new DateTime()) + randomdata + ".temp";
try
{
GetObjectRequest request = new GetObjectRequest(BosConfig.BucketName, record.CloudFile.Key, targetFolder, tempFileName);
request.SetRange(start, end);
//设置签名有效时长
request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600);
//执行请求
GetObjectResult result = getCosXmlServer().GetObject(request);
Console.WriteLine("msg" + result.GetResultInfo());
if (String.Equals("OK", result.httpMessage))
{
}
else if (String.Equals("Requested Range Not Satisfiable", result.httpMessage))
{
downloadResult.state = 1;
File.Delete(targetFolder + @"\" + tempFileName);
return(downloadResult);
}
else if (String.Equals("Not Found", result.httpMessage))
{
downloadResult.state = 2;
File.Delete(targetFolder + @"\" + tempFileName);
return(downloadResult);
}
Stream stream = new FileStream(targetFolder + @"\" + tempFileName, FileMode.Open);
downloadResult = FileUtil.saveFileContent(stream, record.FileName, targetFolder);
File.Delete(targetFolder + @"\" + tempFileName);
}
catch (COSXML.CosException.CosClientException clientEx)
{
//请求失败
Console.WriteLine("CosClientException: " + clientEx.Message);
downloadResult.state = 2;
}
catch (COSXML.CosException.CosServerException serverEx)
{
//请求失败
Console.WriteLine("CosServerException: " + serverEx.GetInfo());
downloadResult.state = 2;
}
return(downloadResult);
}
private void GetObject()
{
getObjectRequest = new GetObjectRequest(bucket, key, localDir, localFileName);
getObjectRequest.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600);
if (progressCallback != null)
{
getObjectRequest.SetCosProgressCallback(progressCallback);
}
getObjectRequest.SetRange(rangeStart, rangeEnd);
getObjectRequest.SetLocalFileOffset(localFileOffset);
cosXmlServer.GetObject(getObjectRequest, delegate(CosResult result)
{
lock (syncExit)
{
if (isExit)
{
return;
}
}
if (UpdateTaskState(TaskState.COMPLETED))
{
GetObjectResult getObjectResult = result as GetObjectResult;
DownloadTaskResult downloadTaskResult = new DownloadTaskResult();
downloadTaskResult.SetResult(getObjectResult);
if (successCallback != null)
{
successCallback(downloadTaskResult);
}
}
}, delegate(CosClientException clientEx, CosServerException serverEx)
{
lock (syncExit)
{
if (isExit)
{
return;
}
}
if (UpdateTaskState(TaskState.FAILED))
{
if (failCallback != null)
{
failCallback(clientEx, serverEx);
}
}
});
}
public void GetFileDow(string keyw, string name, OnProgressCallback Dwjindu, string path)
{
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);
try
{
string bucket = "yuanguhl"; //存储桶，格式：BucketName-APPID
string key = keyw; //对象在存储桶中的位置，即称对象键
string localDir = path; //本地文件夹
string localFileName = name; //指定本地保存的文件名
GetObjectRequest request = new GetObjectRequest(bucket, key, localDir, localFileName);
request.Region = "ap-beijing";
//设置签名有效时长
request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600);
//设置进度回调
request.SetCosProgressCallback(Dwjindu);
//执行请求
GetObjectResult result = cosXml.GetObject(request);
//请求成功
}
catch (COSXML.CosException.CosClientException clientEx)
{
//请求失败
throw clientEx;
}
catch (COSXML.CosException.CosServerException serverEx)
{
//请求失败
throw serverEx;
}
}
private void syncDownloadFile(string bucket, string fileKey, string localDir, string localFileName,
OnProgressCallback progressCb, OnSuccessCallback <CosResult> successCb, OnFailedCallback failedCb)
{
try
{
GetObjectRequest request = new GetObjectRequest(bucket, fileKey, localDir, localFileName);
request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600);
request.SetCosProgressCallback(progressCb);
GetObjectResult result = cosXml.GetObject(request);
}
catch (CosClientException clientEx)
{
failedCb(clientEx, null);
}
catch (CosServerException serverEx)
{
failedCb(null, serverEx);
}
}
/// <summary>
/// 获取图片
/// </summary>
/// <param name="fileKey">图片 key</param>
/// <param name="localDir">本地文件夹</param>
/// <param name="localFileName">本地文件名</param>
/// <returns></returns>
public async Task GetImage(string fileKey, string localDir, string localFileName)
{
var tmpFile = "tmp_" + localFileName;
var tmpFilePath = localDir + "/" + tmpFile;
var localFilePath = localDir + "/" + localFileName;
var cosService = await buildCosService(getImageCredential, fileKey);
var request = new GetObjectRequest(getImageCredential.TmpCred.Bucket, fileKey, localDir, tmpFile);
request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), signValidSec);
request.SetCosProgressCallback((c, t) => {
double percent = (double)c / t * 100;
logger.Trace("下载进度 {}%", percent.ToString("0.00"));
});
try {
var result = cosService.GetObject(request);
//logger.Trace(result.GetResultInfo());
// 下载成功，将临时文件移动到指定位置
if (result.httpCode == 200)
{
File.Move(tmpFilePath, localFilePath);
// 下载失败也会出现残留文件，这里将临时下载残留文件删除
}
else
{
if (File.Exists(tmpFilePath))
{
File.Delete(tmpFilePath);
}
throw new StorageException(result.httpMessage);
}
} catch (Exception e) {
// 下载失败也会出现残留文件，这里将它删除
if (File.Exists(tmpFilePath))
{
File.Delete(tmpFilePath);
}
throw e;
}
}