/// <summary>
/// 压缩流
/// </summary>
/// <param name="sourceStream">待压缩的流</param>
/// <returns></returns>
public static Stream Compress(Stream sourceStream)
{
try
{
sourceStream.Position = 0;
byte[] data = new byte[sourceStream.Length];
sourceStream.Read(data, 0, data.Length);
sourceStream.Close();
sourceStream.Dispose();
MemoryStream ms = new MemoryStream();
GZipStream stream = new GZipStream(ms, CompressionMode.Compress, true);
stream.Write(data, 0, data.Length);
stream.Close();
stream.Dispose();
ms.Position = 0;
return(ms);
}
catch (OutOfMemoryException ex)
{
throw ex;
}
catch (Exception ex)
{
LogsRecord.write("zipClass", ex.ToString());
}
return(null);
}
/// <summary>
/// 解压缩
/// </summary>
/// <param name="sourceStream">待解压缩的流</param>
/// <returns></returns>
public static Stream Decompress(Stream sourceStream)
{
try
{
sourceStream.Position = 0;
GZipStream stream = new GZipStream(sourceStream, CompressionMode.Decompress, true);
byte[] buffer = new byte[1024];
MemoryStream temp = new MemoryStream();
int read = stream.Read(buffer, 0, buffer.Length);
while (read > 0)
{
temp.Write(buffer, 0, read);
read = stream.Read(buffer, 0, buffer.Length);
}
stream.Close();
stream.Dispose();
sourceStream.Close();
sourceStream.Dispose();
temp.Position = 0;
return(temp);
}
catch (Exception ex)
{
LogsRecord.write("zipClass", ex.ToString());
}
return(null);
}
public LogException(string message, bool isLog = true)
: base(message)
{
if (isLog)
{
LogsRecord.write("LogException-Error", message);
}
}
public LogException(string message, Exception inner, bool isLog = true)
: base(message, inner)
{
if (isLog)
{
LogsRecord.write("LogException-Error", message + "--" + inner.ToString());
}
}
public LogException(bool isLog = true)
: base()
{
string Name = this.GetType().Name;
if (isLog)
{
LogsRecord.write("LogException-Error", this.ToString());
}
}