/// <summary>/// 功能：压缩文件（暂时只压缩文件夹下一级目录中的文件，文件夹及其子级被忽略）/// </summary>/// <param name="dirPath"> 被压缩的文件夹夹路径 </param>/// <param name="zipFilePath"> 生成压缩文件的路径，为空则默认与被压缩文件夹同一级目录，名称为：文件夹名 +.zip</param>/// <param name="err"> 出错信息</param>/// <returns> 是否压缩成功 </returns>public bool ZipFile(string dirPath, string zipFilePath, out string err){err = "";if (dirPath == string.Empty){err = "要压缩的文件夹不能为空！ ";return false;}if (!Directory.Exists(dirPath)){err = "要压缩的文件夹不存在！ ";return false;}//压缩文件名为空时使用文件夹名＋ zipif (zipFilePath == string.Empty){if (dirPath.EndsWith("\\")){dirPath = dirPath.Substring(0, dirPath.Length - 1);}zipFilePath = dirPath + ".zip";}try{string[] filenames = Directory.GetFiles(dirPath);using (ZipOutputStream s = new ZipOutputStream(File.Create(zipFilePath))){s.SetLevel(9);byte[] buffer = new byte[4096];foreach (string file in filenames){ZipEntry entry = new ZipEntry(Path.GetFileName(file));entry.DateTime = DateTime.Now;s.PutNextEntry(entry);using (FileStream fs = File.OpenRead(file)){int sourceBytes;do{sourceBytes = fs.Read(buffer, 0, buffer.Length);s.Write(buffer, 0, sourceBytes);} while (sourceBytes > 0);}}s.Finish();s.Close();}}catch (Exception ex){err = ex.Message;return false;}return true;}
需要引用一个库文件：ICSharpCode.SharpZipLib.Zip.dll