C# ICSharpCode.SharpZipLib 压缩文件 yang

 

利用ICSharpCode.SharpZipLib.dll 压缩文件夹

private void zip(string strFile, ZipOutputStream s, string staticFile)
        {
            if (strFile[strFile.Length - 1] != Path.DirectorySeparatorChar)
            {
                strFile = strFile + Path.DirectorySeparatorChar;
            }
            Crc32 crc = new Crc32();
            string[] fileSystemEntries = Directory.GetFileSystemEntries(strFile);
            foreach (string str in fileSystemEntries)
            {
                if (Directory.Exists(str))
                {
                    zip(str, s, staticFile);
                }
                else
                {
                    FileStream stream = File.OpenRead(str);
                    byte[] buffer = new byte[stream.Length];
                    stream.Read(buffer, 0, buffer.Length);
                    ZipEntry entry = new ZipEntry(str.Substring(staticFile.LastIndexOf(@"\") + 1));
                    entry.DateTime=DateTime.Now;
                    entry.Size = stream.Length;
                    stream.Close();
                    crc.Reset();
                    crc.Update(buffer);
                    entry.Crc=crc.Value;
                    s.PutNextEntry(entry);
                    s.Write(buffer, 0, buffer.Length);
                }
            }
        }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="strFile">文件夹</param>
        /// <param name="strZip">压缩后文件</param>
        public void ZipFile(string strFile, string strZip)
        {
            if (strFile[strFile.Length - 1] != Path.DirectorySeparatorChar)
            {
                strFile = strFile + Path.DirectorySeparatorChar;
            }
            ZipOutputStream s = new ZipOutputStream(File.Create(strZip));
            s.Password = "**";//需要密码可以设置
            s.SetLevel(6);
            zip(strFile, s, strFile);
            s.Finish();
            s.Close();
        }