解压ZIP文件

``C#
//# 包含壓縮包相同文件名的文件

    //# 不指定文件夹，

    public static String Decompress(string Name)
    {
        try
        {
            string path = " ";
            //读取压缩文件(zip文件)，准备解压缩
            ZipInputStream zipInputStream = new ZipInputStream(File.Open(Name, FileMode.Open));
            ZipEntry zipEntryFromZippedFile;
            //解壓文件不為空(GetNextEntry() 取下一个ZIP文件条目并将该流定位在条目数据的开头,如果沒有則返回null)
            while ((zipEntryFromZippedFile = zipInputStream.GetNextEntry()) != null)
            {
                FileInfo fInfo = new FileInfo(zipEntryFromZippedFile.Name);
                string filename = Path.GetFileName(zipEntryFromZippedFile.Name);

                //判斷文件夾是否存在zipEntryFromZippedFile.Name找到父目錄
                if (!fInfo.Directory.Exists)
                {
                    //創建文件夾 根據
                    fInfo.Directory.Create();

                }
                //判斷是否是文件
                if (zipEntryFromZippedFile.IsFile)
                {
                    //創建文件
                    FileStream file = fInfo.Create();
                    //if (filename == ConfigurationManager.AppSettings["ownerName"])
                    //{
                    //    path = file.Name;
                    //}
                    byte[] bufferFromZip = new byte[zipInputStream.Length];
                    zipInputStream.Read(bufferFromZip, 0, bufferFromZip.Length);
                    file.Write(bufferFromZip, 0, bufferFromZip.Length);
                    file.Close();
                }
            }
            zipInputStream.Close();
            return path;
        }

        catch
        {
            throw;
        }

    }

    //# 解压zip文件(不包含zip的文件夾，解压到指定路径)


    public static String Decompress(string Name, string fileDir)
    {
        try
        {
            string path = " ";

            //读取压缩文件(zip文件)，准备解压缩
            ZipInputStream zipInputStream = new ZipInputStream(File.Open(Name, FileMode.Open));
            ZipEntry zipEntryFromZippedFile;
            //解壓文件不為空(GetNextEntry() 取下一个ZIP文件条目并将该流定位在条目数据的开头,如果沒有則返回null)
            while ((zipEntryFromZippedFile = zipInputStream.GetNextEntry()) != null)
            {
                string filename = Path.GetFileName(zipEntryFromZippedFile.Name);
                string dir = Path.GetDirectoryName(zipEntryFromZippedFile.Name);
                //string name = ConfigurationManager.AppSettings["name"].Split('.')[0];
                string str = " ";

                //判斷是否是文件夾
                if (zipEntryFromZippedFile.IsDirectory)
                {
                    //判斷是否為解壓縮文件夾
                    //if (dir == name)
                    //{
                    //    continue;
                    //}
                    str = fileDir + @"\" + dir.Split('\\')[1];

                    if (!Directory.Exists(str))
                    {
                        Directory.CreateDirectory(str);
                    }
                }
                //判斷是否是文件
                if (zipEntryFromZippedFile.IsFile)
                {
                    //判斷是否為子文件下的文件
                    //if (dir != name && dir != "")
                    //{
                    //    str = fileDir + @"\" + dir.Split('\\')[1] + @"\" + filename;
                    //}
                    //else
                    //{
                        str = fileDir + @"\" + filename;
                   // }
                    FileStream file = File.Create(str);
                    //if (filename == ConfigurationManager.AppSettings["ownerName"])
                    //{
                    //    path = file.Name;
                    //}
                    byte[] bufferFromZip = new byte[zipInputStream.Length];
                    zipInputStream.Read(bufferFromZip, 0, bufferFromZip.Length);
                    file.Write(bufferFromZip, 0, bufferFromZip.Length);
                    file.Close();
                }
            }
            zipInputStream.Close();
            return path;
        }

        catch
        {
            throw;
        }

    }

``