C# 壓縮打包文件下載

    public class MyNameTransfom : ICSharpCode.SharpZipLib.Core.INameTransform
    {

        #region INameTransform 成員

        public string TransformDirectory(string name)
        {
            return null;
        }

        public string TransformFile(string name)
        {
            return Path.GetFileName(name);
        }

        #endregion
    }

    public partial class Default1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            ZipFileByCode();
        }

        /// <summary>
        /// 壓縮打包文件
        /// </summary>
        public void ZipFileByCode()
        {
            MemoryStream ms = new MemoryStream();
            byte[] buffer = null;

            using (ZipFile file = ZipFile.Create(ms))
            {
                file.BeginUpdate();
                file.NameTransform = new MyNameTransfom();//經過這個名稱格式化器，能夠將裏面的文件名進行一些處理。默認狀況下，會自動根據文件的路徑在zip中建立有關的文件夾。

                file.Add(Server.MapPath("/Content/images/img01.jpg"));
                file.Add(Server.MapPath("/Content/images/img02.jpg"));
                file.CommitUpdate();

                buffer = new byte[ms.Length];
                ms.Position = 0;
                ms.Read(buffer, 0, buffer.Length);
            }
            Response.AddHeader("content-disposition", "attachment;filename=test.zip");
            Response.BinaryWrite(buffer);
            Response.Flush();
            Response.End();
        }
    }

所需Dll下載：http://files.cnblogs.com/wangbogo/ICSharpCode.SharpZipLib.rar