/// <summary>
/// 查询对象元数据
/// </summary>
/// <param name="key">对象在存储桶中的位置，即称对象键</param>
/// <param name="bucketName">存储桶，格式：BucketName-APPID</param>
public static void QueryObject(string key, string bucketName = CosConfig.DEFAULT_BUCKET)
{
var cosXml = InitializeCosConfig();
try
{
string bucket = $"{bucketName}-{AppId}"; //存储桶，格式：BucketName-APPID
HeadObjectRequest request = new HeadObjectRequest(bucket, key);
//设置签名有效时长
request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600);
//执行请求
HeadObjectResult result = cosXml.HeadObject(request);
//请求成功
Console.WriteLine(result.GetResultInfo());
}
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());
}
}
public static void AsynHeadObject(COSXML.CosXml cosXml, string bucket, string key)
{
QLog.D("XIAO", String.Format("currentThread id = {0}", Thread.CurrentThread.ManagedThreadId));
HeadObjectRequest request = new HeadObjectRequest(bucket, key);
//设置签名有效时长
request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600);
cosXml.HeadObject(request,
delegate(CosResult cosResult)
{
HeadObjectResult result = cosResult as HeadObjectResult;
Console.WriteLine(result.GetResultInfo());
Console.WriteLine(String.Format("currentThread id = {0}", Thread.CurrentThread.ManagedThreadId));
},
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());
}
Console.WriteLine(String.Format("currentThread id = {0}", Thread.CurrentThread.ManagedThreadId));
});
}
public void AsynHeadObject(COSXML.CosXml cosXml, string bucket, string key)
{
HeadObjectRequest request = new HeadObjectRequest(bucket, key);
//设置签名有效时长
request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600);
cosXml.HeadObject(request,
delegate(CosResult cosResult)
{
HeadObjectResult result = cosResult as HeadObjectResult;
Console.WriteLine(result.GetResultInfo());
manualResetEvent.Set();
},
delegate(CosClientException clientEx, CosServerException serverEx)
{
if (clientEx != null)
{
Console.WriteLine("CosClientException: " + clientEx.Message);
}
if (serverEx != null)
{
Console.WriteLine("CosServerException: " + serverEx.GetInfo());
}
manualResetEvent.Set();
});
}
/// 获取对象信息
public void HeadObject()
{
//.cssg-snippet-body-start:[head-object]
try
{
string bucket = "examplebucket-1250000000"; //存储桶，格式：BucketName-APPID
string key = "exampleobject"; //对象键
HeadObjectRequest request = new HeadObjectRequest(bucket, key);
//执行请求
HeadObjectResult result = cosXml.HeadObject(request);
//请求成功
Console.WriteLine(result.GetResultInfo());
}
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 void HeadObject()
{
try
{
HeadObjectRequest request = new HeadObjectRequest(bucket, commonKey);
//执行请求
HeadObjectResult result = cosXml.HeadObject(request);
Console.WriteLine(result.GetResultInfo());
}
catch (COSXML.CosException.CosClientException clientEx)
{
Console.WriteLine("CosClientException: " + clientEx.StackTrace);
Assert.True(false);
}
catch (COSXML.CosException.CosServerException serverEx)
{
Console.WriteLine("CosServerException: " + serverEx.GetInfo());
Assert.True(false);
}
}
public static void HeadObject(COSXML.CosXml cosXml, string bucket, string key)
{
try
{
HeadObjectRequest request = new HeadObjectRequest(bucket, key);
//设置签名有效时长
request.SetSign(TimeUtils.GetCurrentTime(TimeUnit.SECONDS), 600);
//执行请求
HeadObjectResult result = cosXml.HeadObject(request);
Console.WriteLine(result.GetResultInfo());
}
catch (COSXML.CosException.CosClientException clientEx)
{
QLog.D("XIAO", clientEx.Message);
Console.WriteLine("CosClientException: " + clientEx.StackTrace);
}
catch (COSXML.CosException.CosServerException serverEx)
{
QLog.D("XIAO", serverEx.Message);
Console.WriteLine("CosServerException: " + serverEx.GetInfo());
}
}
