ICSharpCode.SharpZipLib.Zip使用示例代码及下载地址

 

ICSharpCode.SharpZipLib.Zip使用示例代码及下载地址ICSharpCode.SharpZipLib.Zip封装了ZIP文件在线压缩解压的一个dll,这里收集了ICSharpCode.SharpZipLib.Zip使用示例代码,方便有需要的人使用.

Code

 class ZIP

     {/**//// <summary>压缩文件</summary>

        /// <param name="filename">filename生成的文件的名称，如：C\123\123.zip</param>

         /// <param name="directory">directory要压缩的文件夹路径</param>

         /// <returns></returns>

         public static bool PackFiles(string filename, string directory)

         {

             try

            {



               directory = directory.Replace("/", "\\");


                if (!directory.EndsWith("\\"))

                   directory += "\\";

               if (!Directory.Exists(directory))

                {

                   Directory.CreateDirectory(directory);

                }

                if (File.Exists(filename))

               {

                    File.Delete(filename);

               }

               //ICSharpCode.SharpZipLib.Zip.ZipFile pp = new ZipFile();

               //FastZip fz = new FastZip();

                //fz.CreateEmptyDirectories = true;

                //fz.CreateZip(filename, directory, true, "");

               return true;

            }

           catch (Exception)

           {
               return false;
            }
        }


        /**//// <summary>解压文件</summary>

       /// <param name="file">压缩文件的名称，如：C:\123\123.zip</param>

       /// <param name="dir">dir要解压的文件夹路径</param>

       /// <returns></returns>

        public static bool UnpackFiles(string file, string dir)
       {
           try
           {
               if (!File.Exists(file))
                 return false;
               dir = dir.Replace("/", "\\");
                if (!dir.EndsWith("\\"))
                   dir += "\\";
               if (!Directory.Exists(dir))
                   Directory.CreateDirectory(dir);
               ZipInputStream s = new ZipInputStream(File.OpenRead(file));
               ZipEntry theEntry;
              while ((theEntry = s.GetNextEntry()) != null)

               {
                    string directoryName = Path.GetDirectoryName(theEntry.Name);
                    string fileName = Path.GetFileName(theEntry.Name);

                    if (directoryName != String.Empty)
                       Directory.CreateDirectory(dir + directoryName);
                   if (fileName != String.Empty)
                   {
                       FileStream streamWriter = File.Create(dir + theEntry.Name);
                        int size = 2048;
                        byte[] data = new byte[2048];
                        while (true)
                        {
                           size = s.Read(data, 0, data.Length);
                           if (size > 0)
                           {
                               streamWriter.Write(data, 0, size);
                            }
                           else
                           {
                                break;
                           }
                       }
                       streamWriter.Close();
                    }
               }
               s.Close();
                return true;
            }
           catch (Exception)
           {
               return false;
           }
       }
    }



ICSharpCode.SharpZipLib.Zip下载网址:http://www.icsharpcode.net/OpenSource/SharpZipLib/