看看这个C#压缩文件代码有没有错!!

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.IO.Packaging;
namespace PolicyUpload.Util
{
class testGzip
{
public string SourceFolderPath{get;set;}
public testGzip(string sourceFolderPath)
{
SourceFolderPath = sourceFolderPath;
}
public void ZipFolder(string zipFilePath)
{
using (Package package = Package.Open(zipFilePath, FileMode.Create))
{
DirectoryInfo di = new DirectoryInfo(SourceFolderPath);
ZipDirectory(di,package);
}
}
private void ZipDirectory(DirectoryInfo di, Package package)
{
foreach (FileInfo fi in di.GetFiles())
{
string relativePath = fi.FullName.Replace(SourceFolderPath, String.Empty);
relativePath = relativePath.Replace(“\”,”/”);
PackagePart part = package.CreatePart(new Uri(relativePath,UriKind.Relative),System.Net.Mime.MediaTypeNames.Application.Zip);
using (FileStream fs = fi.OpenRead())
{
CopyStream(fs, part.GetStream());
}
}
foreach (DirectoryInfo subDi in di.GetDirectories())
{
ZipDirectory(di, package);
}
}
private void CopyStream(Stream scource,Stream target)
{
const int bufSize = 0x1000;
byte[] buf = new byte[bufSize];
int byteRead = 0;
while ((byteRead = scource.Read(buf,0,bufSize)) > 0 )
{
target.Write(buf, 0, byteRead);
}
}
}
}