ICSharpCode.SharpZipLib.dll 压缩多文件

网站:http://icsharpcode.github.io/SharpZipLib/

引用：ICSharpCode.SharpZipLib.dll

private string CompassZipFile(StringList sl,string periodName) {

            string zipPath = AppDomain.CurrentDomain.BaseDirectory + ConfigurationManager.AppSettings["ExportExcelDir"];

            string zipName = periodName + ".zip";

            string zipFile = Path.Combine(zipPath, zipName);

            if (File.Exists(@zipFile))

                File.Delete(@zipFile);

            using (ZipFile zip = ZipFile.Create(@zipFile))

            {

                zip.BeginUpdate();

                zip.SetComment(periodName + "压缩包");

                foreach (string p in sl) {

                    //ZipEntry entry = new ZipEntry(file.Replace(Path.GetPathRoot(file), ""));

                    zip.Add(@p,p.Replace(zipPath.Replace("/","\\"),""));

                }

                zip.CommitUpdate();

            }

            return Path.Combine(ConfigurationManager.AppSettings["ExportExcelDir"], zipName);

        }