原文的标题:SQL Server report compress solution (Zip format)
原文的地址:http://www.codeproject.com/aspnet/prabhucode.asp
一下摘取部门生产zip的代码
将二进制的代码写到temp临时文件里面:
/*Parameters:
![]()
strpath – A string which holds the path where the
report files has to be saved.
strFileNameWithExt – A string which holds the name of
report file with extension (.html, .pdf, .xls etc).
byteResultStream – A byte array which holds the data
of the report in the form of bytes.
![]()
Method:*/
![]()
private int WriteFile (string strPath,
string strFileNameWithExt,byte[] byteResultStream)
{
int intResult = 0;
FileStream stream =
File.OpenWrite(@strPath+strFileNameWithExt);
stream.Write(byteResultStream, 0,
byteResultStream.Length);
stream.Close();
intResult = ”1”;
return intResult;
#endregion
![]()
}
生成ZIP文件的过程:
*Parameters:
![]()
strFileName – A string which holds the filename without the extension
![]()
strFileNameWithExt – A string which holds the filename with extension
![]()
Method :*/
![]()
private string CreateZip(string strFileName,string strFileNameWithExt)
{
string strZipFileName = string.Empty;
Crc32 objCrc32 = null;
ZipOutputStream objZipOutputStream = null;
ZipEntry objZipEntry = null;
string strPath = string.Empty;
#endregion
strPath = HttpContext.Current.Server.MapPath(“\Temp”);
if (File.Exists(strPath+strFileNameWithExt))
{
strZipFileName = strPath+strFileName+”.zip”;
objCrc32 = new Crc32();
objZipOutputStream =
new ZipOutputStream(File.Create(strZipFileName));
objZipOutputStream.SetLevel(6);
FileStream objFileStream =
File.OpenRead(strPath+strFileNameWithExt);
Byte[] abyBuffer = new Byte[objFileStream.Length];
objFileStream.Read(abyBuffer, 0, abyBuffer.Length);
objZipEntry = new ZipEntry(strFileNameWithExt);
objZipEntry.DateTime = DateTime.Now;
objZipEntry.Size = objFileStream.Length;
objFileStream.Close();
objCrc32.Reset();
objCrc32.Update(abyBuffer);
objZipEntry.Crc = objCrc32.Value;
objZipOutputStream.PutNextEntry(objZipEntry);
objZipOutputStream.Write(abyBuffer, 0, abyBuffer.Length);
objZipOutputStream.Finish();
objZipOutputStream.Close();
strZipFileName = strFileName+”.zip”;
return strZipFileName;
}
}
原文的地址:http://www.codeproject.com/aspnet/prabhucode.asp
一下摘取部门生产zip的代码
将二进制的代码写到temp临时文件里面:
/*Parameters:
strpath – A string which holds the path where the
report files has to be saved.
strFileNameWithExt – A string which holds the name of
report file with extension (.html, .pdf, .xls etc).
byteResultStream – A byte array which holds the data
of the report in the form of bytes.
Method:*/
private int WriteFile (string strPath,
string strFileNameWithExt,byte[] byteResultStream)
{
int intResult = 0;
FileStream stream =
File.OpenWrite(@strPath+strFileNameWithExt);
stream.Write(byteResultStream, 0,
byteResultStream.Length);
stream.Close();
intResult = ”1”;
return intResult;
#endregion
}生成ZIP文件的过程:
*Parameters:
strFileName – A string which holds the filename without the extension
strFileNameWithExt – A string which holds the filename with extension
Method :*/
private string CreateZip(string strFileName,string strFileNameWithExt)
{
string strZipFileName = string.Empty;
Crc32 objCrc32 = null;
ZipOutputStream objZipOutputStream = null;
ZipEntry objZipEntry = null;
string strPath = string.Empty;
#endregion
strPath = HttpContext.Current.Server.MapPath(“\Temp”);
if (File.Exists(strPath+strFileNameWithExt))
{
strZipFileName = strPath+strFileName+”.zip”;
objCrc32 = new Crc32();
objZipOutputStream =
new ZipOutputStream(File.Create(strZipFileName));
objZipOutputStream.SetLevel(6);
FileStream objFileStream =
File.OpenRead(strPath+strFileNameWithExt);
Byte[] abyBuffer = new Byte[objFileStream.Length];
objFileStream.Read(abyBuffer, 0, abyBuffer.Length);
objZipEntry = new ZipEntry(strFileNameWithExt);
objZipEntry.DateTime = DateTime.Now;
objZipEntry.Size = objFileStream.Length;
objFileStream.Close();
objCrc32.Reset();
objCrc32.Update(abyBuffer);
objZipEntry.Crc = objCrc32.Value;
objZipOutputStream.PutNextEntry(objZipEntry);
objZipOutputStream.Write(abyBuffer, 0, abyBuffer.Length);
objZipOutputStream.Finish();
objZipOutputStream.Close();
strZipFileName = strFileName+”.zip”;
return strZipFileName;
}
}


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