解压文件总是报错

Question

解压文件总是报错 
//解压类
   public class UnZipClass
    {
        //// <summary>
        /// 解压功能(解压压缩文件到指定目录)
        /// </summary>
        /// <param name="FileToUpZip">待解压的文件</param>
        /// <param name="ZipedFolder">指定解压目标目录</param>
        public static void UnZip(string FileToUpZip, string ZipedFolder)
        {
            if (!File.Exists(FileToUpZip))
            {
                return;
            }            if (!Directory.Exists(ZipedFolder))
            {
                Directory.CreateDirectory(ZipedFolder);
            }            ZipInputStream s = null;
            ZipEntry theEntry = null;            string fileName;
            FileStream fs = null;
            FileStream streamWriter = null;
            try
            {
                fs = new FileStream(FileToUpZip,FileMode.Open);//fs.length 引发异常
                s = new ZipInputStream(fs);
                
                while ((theEntry = s.GetNextEntry()) != null)//报错 找不到实例
                {
                    if (theEntry.Name != String.Empty)
                    {
                        fileName = Path.Combine(ZipedFolder, theEntry.Name);
                        /**/
                        ///判断文件路径是否是文件夹
                        if (fileName.EndsWith("/") || fileName.EndsWith("\\"))
                        {
                            Directory.CreateDirectory(fileName);
                            continue;
                        }                        streamWriter = File.Create(fileName);
                        int size = 2048;
                        byte[] data = new byte[2048];
                        while (true)
                        {
                            size = s.Read(data, 0, data.Length);
                            if (size > 0)
                            {
                                streamWriter.Write(data, 0, size);
                            }
                            else
                            {
                                break;
                            }
                        }
                    }
                }
            }
            catch (Exception e) 
            {                throw;
            }            finally
            {
                if (streamWriter != null)
                {
                    
                    streamWriter.Close();
                    streamWriter = null;
                }
                if(fs!=null)
                {
                    fs.Close();
                    fs = null;
                }
                if (theEntry != null)
                {
                    theEntry = null;
                }
                if (s != null)
                {
                    s.Close();
                    s = null;
                }
                GC.Collect();
                GC.Collect(1);
            }
        }
    }
“/EstanPage”应用程序中的服务器错误。Wrong Local header signature: 0x21726152说明: 执行当前 Web 请求期间，出现未处理的异常。请检查堆栈跟踪信息，以了解有关该错误以及代码中导致错误的出处的详细信息。 异常详细信息: ICSharpCode.SharpZipLib.Zip.ZipException: Wrong Local header signature: 0x21726152源错误: 
行 311:            catch (Exception e) 
行 312:            {
行 313:                throw;
行 314:            }
行 315:源文件: D:\g_工作文件夹\Estan\Estan\EstanBLL\Smart\ZipFile.cs    行: 313 

Answer 1

/// <summary>
        /// 压缩方法
        /// </summary>
        /// <param name="patch">预压缩的路径</param>
        /// <param name="rarPatch">压缩后的路径</param>
        /// <param name="rarName">压缩文件名</param>
        public static void RARsave(string patch, string rarPatch, string rarName)
        {
            String the_rar;
            RegistryKey the_Reg;
            Object the_Obj;
            String the_Info;
            ProcessStartInfo the_StartInfo;
            Process the_Process;
            try
            {
                the_Reg = Registry.ClassesRoot.OpenSubKey(@"Applications\\WinRAR.exe\\Shell\\Open\\Command");
                the_Obj = the_Reg.GetValue("");
                the_rar = the_Obj.ToString();
                the_Reg.Close();
                the_rar = the_rar.Substring(1, the_rar.Length - 7);
                Directory.CreateDirectory(patch);
                //命令参数                //the_Info = " a " + rarName + " " + @"C:Test?70821.txt"; //文件压缩                the_Info = " a " + rarName + " " + patch + " -r"; ;
                the_StartInfo = new ProcessStartInfo();
                the_StartInfo.FileName = the_rar;
                the_StartInfo.Arguments = the_Info;
                the_StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
                //打包文件存放目录                the_StartInfo.WorkingDirectory = rarPatch;
                the_Process = new Process();
                the_Process.StartInfo = the_StartInfo;
                the_Process.Start();
                the_Process.WaitForExit();
                the_Process.Close();
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }        /// <summary>
        ///解 压缩方法
        /// </summary>
        /// <param name="patch">预解压缩的路径</param>
        /// <param name="rarPatch">解压缩后的路径</param>       public static int unRAR(string unRarPatch, string rarPatch)
      {        try
        {
            System.Diagnostics.Process Process1 = new System.Diagnostics.Process();
            Process1.StartInfo.FileName = "Winrar.exe";
            Process1.StartInfo.CreateNoWindow = true;
            Process1.StartInfo.Arguments = " e " + unRarPatch + " " + rarPatch + " -y";
            Process1.Start();
            Process1.WaitForExit();
            if (Process1.HasExited)
            {
                return Process1.ExitCode;
            }
            return -1000;
        }
        catch (Exception ex)
        {
            return -1001;
        }
        }
参考