C# xml压缩包不解压的情况下解析xml内容

 string sourceFilePath = @"E:\文件拷贝\xx\3773\3773.zip";

 FileInfo fileInfo = new FileInfo(sourceFilePath);
 long length = fileInfo.Length;

 if (length == )
 {
     return;
 }

 using (ZipInputStream zip = new ZipInputStream(File.OpenRead(sourceFilePath)))
 {
    ZipEntry theEntry;
     string destinationDirPath = @"\\172.21.3.21\liung\";
     while ((theEntry = zip.GetNextEntry()) != null)
     {
         destinationDirPath += theEntry.Name;

         using (FileStream streamWriter = new FileStream(destinationDirPath, FileMode.Create, FileAccess.Write, FileShare.Read | FileShare.Write))
         {
             byte[] bytes = new byte[zip.Length];
             zip.Read(bytes, , bytes.Length);
             streamWriter.Write(bytes, , bytes.Length);
         }

         XmlTextReader xmlReader = new XmlTextReader(zip);
         while (xmlReader.Read())
         {
             if (xmlReader.NodeType == XmlNodeType.Element && xmlReader.Name.ToLower() == "fileheader")
             {
                 string reportTime = xmlReader.GetAttribute("reportTime").Replace("24:00:00", "23:59:59");
                 string startTime = xmlReader.GetAttribute("startTime").Replace("24:00:00", "23:59:59");
                 string endTime = xmlReader.GetAttribute("endTime").Replace("24:00:00", "23:59:59");

                 break;
             }
         }
     }
 }

 Console.ReadKey();

 using (GZipInputStream zip = new GZipInputStream(File.OpenRead(sourceFilePath)))
 {
     using (XmlTextReader xmlReader = new XmlTextReader(zip))
     {
         while (xmlReader.Read())
         {
             // hw没有period，暂时给一个默认值15
             if (xmlReader.NodeType == XmlNodeType.Element && xmlReader.Name.ToLower() == "fileheader")
             {
                 string reportTime = xmlReader.GetAttribute("reportTime").Replace("24:00:00", "23:59:59");
                 string startTime = xmlReader.GetAttribute("startTime").Replace("24:00:00", "23:59:59");
                 string endTime = xmlReader.GetAttribute("endTime").Replace("24:00:00", "23:59:59");

                 break;
             }
         }
     }
 }