/// <summary>
/// 压缩byte[]
/// </summary>
/// <returns>The bytes.</returns>
/// <param name="data">Data.</param>
public static byte[] CompressBytes(byte[] data)
{
MemoryStream ms = new MemoryStream();
ICSharpCode.SharpZipLib.GZip.GZipOutputStream gzp = new ICSharpCode.SharpZipLib.GZip.GZipOutputStream(ms);
gzp.Write(data, 0, data.Length);
gzp.Close();
return(ms.ToArray());
}
/// <summary>
/// 压缩字节数组
/// 返回：已压缩的字节数组
/// </summary>
/// <param name="byteData">待压缩的字节数组</param>
/// <returns></returns>
public static byte[] CompressBytes(byte[] byteData)
{
var o = new MemoryStream();
var s = new ICSharpCode.SharpZipLib.GZip.GZipOutputStream(o);
s.Write(byteData, 0, byteData.Length);
s.Close();
o.Flush();
o.Close();
return(o.ToArray());
}
public static byte[] GCompress(byte[] data)
{
byte[] result = null;
using (MemoryStream ms = new MemoryStream())
using (Stream s = new ICSharpCode.SharpZipLib.GZip.GZipOutputStream(ms))
{
s.Write(data, 0, data.Length);
s.Close();
result = ms.ToArray();
}
return(result);
}
private static void CreateZipFile(string lpSourceFile, string lpZipFile, GZipResult result)
{
byte[] buffer;
FileStream fsOut = null;
FileStream fsIn = null;
ICSharpCode.SharpZipLib.GZip.GZipOutputStream gzip = null;
// compress the file into the zip file
try
{
fsOut = new FileStream(lpZipFile, FileMode.Create, FileAccess.Write, FileShare.None);
gzip = new ICSharpCode.SharpZipLib.GZip.GZipOutputStream(fsOut);
fsIn = new FileStream(lpSourceFile, FileMode.Open, FileAccess.Read, FileShare.Read);
buffer = new byte[fsIn.Length];
fsIn.Read(buffer, 0, buffer.Length);
fsIn.Close();
fsIn = null;
// compress to the zip file
gzip.Write(buffer, 0, buffer.Length);
result.ZipFileSize = fsOut.Length;
result.CompressionPercent = GetCompressionPercent(result.TempFileSize, result.ZipFileSize);
}
catch
{ //(Exception ex1)
result.Errors = true;
}
finally
{
if (gzip != null)
{
gzip.Close();
gzip = null;
}
if (fsOut != null)
{
fsOut.Close();
fsOut = null;
}
if (fsIn != null)
{
fsIn.Close();
fsIn = null;
}
}
}
/// <summary>
/// 压缩字符串
/// </summary>
/// <param name="param"></param>
/// <returns></returns>
public static string Compress(string param)
{
byte[] data = System.Text.Encoding.UTF8.GetBytes(param);
MemoryStream ms = new MemoryStream();
Stream stream = new ICSharpCode.SharpZipLib.GZip.GZipOutputStream(ms);
try
{
stream.Write(data, 0, data.Length);
}
finally
{
stream.Close();
ms.Close();
}
return(Convert.ToBase64String(ms.ToArray()).Trim().Replace("+", "@"));
}
public string Compress(string inputString)
{
// Create the zip stream
System.IO.MemoryStream memstream = new System.IO.MemoryStream();
ICSharpCode.SharpZipLib.GZip.GZipOutputStream zipstream = new ICSharpCode.SharpZipLib.GZip.GZipOutputStream(memstream);
// Get the bytes of the input string
Byte[] buffer = System.Text.Encoding.Unicode.GetBytes(inputString);
// Write the bytes to the zipstream
zipstream.Write(buffer, 0, buffer.Length);
// Clean up
zipstream.Close();
memstream.Close();
// Get the Base64 representation of the compressed string
buffer = memstream.ToArray();
string Result = Convert.ToBase64String(buffer);
return(Result);
}
public string Compress(string inputString)
{
// Create the zip stream
System.IO.MemoryStream memstream = new System.IO.MemoryStream();
ICSharpCode.SharpZipLib.GZip.GZipOutputStream zipstream = new ICSharpCode.SharpZipLib.GZip.GZipOutputStream(memstream);
// Get the bytes of the input string
Byte[] buffer = System.Text.Encoding.Unicode.GetBytes(inputString);
// Write the bytes to the zipstream
zipstream.Write(buffer, 0, buffer.Length);
// Clean up
zipstream.Close();
memstream.Close();
// Get the Base64 representation of the compressed string
buffer = memstream.ToArray();
string Result = Convert.ToBase64String(buffer);
return Result;
}
