批量压缩文件.net

using System;using System.Linq;using System.IO;using ICSharpCode.SharpZipLib.Zip;using ICSharpCode.SharpZipLib.Checksums;using System.Diagnostics;using Microsoft.Win32;namespace ZipCommon{ ???public class ZipHelper ???{ ???????#region 压缩多个文件 ???????/// <summary> ?????????/// ?压缩多个文件 ?????????/// </summary> ?????????/// <param name="files">文件名</param> ?????????/// <param name="ZipedFileName">压缩包文件名</param> ?????????/// <param name="Password">解压码</param> ?????????/// <returns></returns> ?????????public static void Zip(string[] files, string ZipedFileName, string Password) ???????{ ???????????files = files.Where(f => File.Exists(f)).ToArray(); ???????????if (files.Length == 0) throw new FileNotFoundException("未找到指定打包的文件"); ???????????ZipOutputStream s = new ZipOutputStream(File.Create(ZipedFileName)); ???????????s.SetLevel(6); ???????????if (!string.IsNullOrEmpty(Password.Trim())) s.Password = Password.Trim(); ???????????ZipFileDictory(files, s); ???????????s.Finish(); ???????????s.Close(); ???????} ???????/// <summary> ?????????/// ?压缩多个文件 ?????????/// </summary> ?????????/// <param name="files">文件名</param> ?????????/// <param name="ZipedFileName">压缩包文件名</param> ?????????/// <returns></returns> ?????????public static void Zip(string[] files, string ZipedFileName) ???????{ ???????????Zip(files, ZipedFileName, string.Empty); ???????} ???????private static void ZipFileDictory(string[] files, ZipOutputStream s) ???????{ ???????????ZipEntry entry = null; ???????????FileStream fs = null; ???????????Crc32 crc = new Crc32(); ???????????try ???????????{ ???????????????//创建当前文件夹 ?????????????????entry = new ZipEntry("/"); ?//加上 “/” 才会当成是文件夹创建 ?????????????????s.PutNextEntry(entry); ???????????????s.Flush(); ???????????????foreach (string file in files) ???????????????{ ???????????????????//打开压缩文件 ?????????????????????fs = File.OpenRead(file); ???????????????????byte[] buffer = new byte[fs.Length]; ???????????????????fs.Read(buffer, 0, buffer.Length); ???????????????????entry = new ZipEntry("/" + Path.GetFileName(file)); ???????????????????entry.DateTime = DateTime.Now; ???????????????????entry.Size = fs.Length; ???????????????????fs.Close(); ???????????????????crc.Reset(); ???????????????????crc.Update(buffer); ???????????????????entry.Crc = crc.Value; ???????????????????s.PutNextEntry(entry); ???????????????????s.Write(buffer, 0, buffer.Length); ???????????????} ???????????} ???????????finally ???????????{ ???????????????if (fs != null) ???????????????{ ???????????????????fs.Close(); ???????????????????fs = null; ???????????????} ???????????????if (entry != null) ???????????????????entry = null; ???????????????GC.Collect(); ???????????} ???????} ???????#endregion 压缩多个文件 ???????#region ?解压文件 包括.rar 和zip ???????/// <summary> ???????///解压文件 ???????/// </summary> ???????/// <param name="fileFromUnZip">解压前的文件路径（绝对路径）</param> ???????/// <param name="fileToUnZip">解压后的文件目录（绝对路径）</param> ???????public static void UnpackFileRarOrZip(string fileFromUnZip, string fileToUnZip) ???????{ ???????????//获取压缩类型 ???????????string unType = fileFromUnZip.Substring(fileFromUnZip.LastIndexOf(".") + 1, 3).ToLower(); ???????????switch (unType) ???????????{ ???????????????case "rar": ???????????????????UnRar(fileFromUnZip, fileToUnZip); ???????????????????break; ???????????????default: ???????????????????UnZip(fileFromUnZip, fileToUnZip); ???????????????????break; ???????????} ???????} ???????#endregion ???????#region ?解压文件 .rar文件 ???????/// <summary> ???????/// 解压 ???????/// </summary> ???????/// <param name="unRarPatch"></param> ???????/// <param name="rarPatch"></param> ???????/// <param name="rarName"></param> ???????/// <returns></returns> ???????public static void UnRar(string fileFromUnZip, string fileToUnZip) ???????{ ???????????string the_rar; ???????????RegistryKey the_Reg; ???????????object the_Obj; ???????????string the_Info; ???????????try ???????????{ ???????????????the_Reg = Registry.LocalMachine.OpenSubKey( ????????????????????????@"SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\WinRAR.exe"); ???????????????the_Obj = the_Reg.GetValue(""); ???????????????the_rar = the_Obj.ToString(); ???????????????the_Reg.Close(); ???????????????//the_rar = the_rar.Substring(1, the_rar.Length - 7); ???????????????if (Directory.Exists(fileToUnZip) == false) ???????????????{ ???????????????????Directory.CreateDirectory(fileToUnZip); ???????????????} ???????????????the_Info = "x " + Path.GetFileName(fileFromUnZip) + " " + fileToUnZip + " -y"; ???????????????ProcessStartInfo the_StartInfo = new ProcessStartInfo(); ???????????????the_StartInfo.FileName = the_rar; ???????????????the_StartInfo.Arguments = the_Info; ???????????????the_StartInfo.WindowStyle = ProcessWindowStyle.Hidden; ???????????????the_StartInfo.WorkingDirectory = Path.GetDirectoryName(fileFromUnZip);//获取压缩包路径 ???????????????Process the_Process = new Process(); ???????????????the_Process.StartInfo = the_StartInfo; ???????????????the_Process.Start(); ???????????????the_Process.WaitForExit(); ???????????????the_Process.Close(); ???????????} ???????????catch (Exception ex) ???????????{ ???????????????throw ex; ???????????} ???????????//return unRarPatch; ???????} ???????#endregion ???????#region ?解压文件 .zip文件 ???????/// <summary> ???????/// 解压功能(解压压缩文件到指定目录) ???????/// </summary> ???????/// <param name="FileToUpZip">待解压的文件</param> ???????/// <param name="ZipedFolder">指定解压目标目录</param> ???????public static void UnZip(string FileToUpZip, string ZipedFolder) ???????{ ???????????if (!File.Exists(FileToUpZip)) ???????????{ ???????????????return; ???????????} ???????????if (!Directory.Exists(ZipedFolder)) ???????????{ ???????????????Directory.CreateDirectory(ZipedFolder); ???????????} ???????????ICSharpCode.SharpZipLib.Zip.ZipInputStream s = null; ???????????ICSharpCode.SharpZipLib.Zip.ZipEntry theEntry = null; ???????????string fileName; ???????????FileStream streamWriter = null; ???????????try ???????????{ ???????????????s = new ICSharpCode.SharpZipLib.Zip.ZipInputStream(File.OpenRead(FileToUpZip)); ???????????????while ((theEntry = s.GetNextEntry()) != null) ???????????????{ ???????????????????if (theEntry.Name != String.Empty) ???????????????????{ ???????????????????????fileName = Path.Combine(ZipedFolder, theEntry.Name); ???????????????????????///判断文件路径是否是文件夹 ???????????????????????if (fileName.EndsWith("/") || fileName.EndsWith("\\")) ???????????????????????{ ???????????????????????????Directory.CreateDirectory(fileName); ???????????????????????????continue; ???????????????????????} ???????????????????????streamWriter = File.Create(fileName); ???????????????????????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; ???????????????????????????} ???????????????????????} ???????????????????} ???????????????} ???????????} ???????????finally ???????????{ ???????????????if (streamWriter != null) ???????????????{ ???????????????????streamWriter.Close(); ???????????????????streamWriter = null; ???????????????} ???????????????if (theEntry != null) ???????????????{ ???????????????????theEntry = null; ???????????????} ???????????????if (s != null) ???????????????{ ???????????????????s.Close(); ???????????????????s = null; ???????????????} ???????????????GC.Collect(); ???????????????GC.Collect(1); ???????????} ???????} ???????#endregion ???}}