public class FileOperation { #region 压缩文件 /// <summary> /// 压缩文件 /// </summary> /// <param name="fileNames">要打包的文件列表</param> /// <param name="GzipFileName">目标文件名</param> /// <param name="CompressionLevel">压缩品质级别（0~9）</param> /// <param name="deleteFile">是否删除原文件</param> public static void CompressFile(List<FileInfo> fileNames, string GzipFileName, int CompressionLevel, bool deleteFile) { ZipOutputStream s = new ZipOutputStream(File.Create(GzipFileName)); try { s.SetLevel(CompressionLevel); //0 - store only to 9 - means best compression foreach (FileInfo file in fileNames) { FileStream fs = null; try { fs = file.Open(FileMode.Open, FileAccess.ReadWrite); } catch { continue; } // 方法二，将文件分批读入缓冲区 byte[] data = new byte[2048]; int size = 2048; ZipEntry entry = new ZipEntry(Path.GetFileName(file.Name)); entry.DateTime = (file.CreationTime > file.LastWriteTime ? file.LastWriteTime : file.CreationTime); s.PutNextEntry(entry); while (true) { size = fs.Read(data, 0, size); if (size <= 0) break; s.Write(data, 0, size); } fs.Close(); if (deleteFile) { file.Delete(); } } } finally { s.Finish(); s.Close(); } } /// <summary> /// 压缩文件夹 /// </summary> /// <param name="dirPath">要打包的文件夹</param> /// <param name="GzipFileName">目标文件名</param> /// <param name="CompressionLevel">压缩品质级别（0~9）</param> /// <param name="deleteDir">是否删除原文件夹</param> public static void CompressDirectory(string dirPath, string GzipFileName, int CompressionLevel, bool deleteDir) { //压缩文件为空时默认与压缩文件夹同一级目录 if (GzipFileName == string.Empty) { GzipFileName = dirPath.Substring(dirPath.LastIndexOf("//") + 1); GzipFileName = dirPath.Substring(0, dirPath.LastIndexOf("//")) + "//" + GzipFileName + ".zip"; } //if (Path.GetExtension(GzipFileName) != ".zip") //{ // GzipFileName = GzipFileName + ".zip"; //} using (ZipOutputStream zipoutputstream = new ZipOutputStream(File.Create(GzipFileName))) { zipoutputstream.SetLevel(CompressionLevel); Crc32 crc = new Crc32(); Dictionary<string, DateTime> fileList = GetAllFies(dirPath); foreach (KeyValuePair<string, DateTime> item in fileList) { FileStream fs = File.OpenRead(item.Key.ToString()); byte[] buffer = new byte[fs.Length]; fs.Read(buffer, 0, buffer.Length); ZipEntry entry = new ZipEntry(item.Key.Substring(dirPath.Length)); entry.DateTime = item.Value; entry.Size = fs.Length; fs.Close(); crc.Reset(); crc.Update(buffer); entry.Crc = crc.Value; zipoutputstream.PutNextEntry(entry); zipoutputstream.Write(buffer, 0, buffer.Length); } } if (deleteDir) { Directory.Delete(dirPath, true); } } #endregion #region 获取所有文件 /// <summary> /// 获取所有文件 /// </summary> /// <returns></returns> public static Dictionary<string, DateTime> GetAllFies(string dir) { Dictionary<string, DateTime> FilesList = new Dictionary<string, DateTime>(); DirectoryInfo fileDire = new DirectoryInfo(dir); if (!fileDire.Exists) { throw new System.IO.FileNotFoundException("没有找到该目录：" + fileDire.FullName ); } GetAllDirFiles(fileDire, FilesList); GetAllDirsFiles(fileDire.GetDirectories(), FilesList); return FilesList; } #endregion #region 获取一个文件夹下的所有文件夹里的文件 /// <summary> /// 获取一个文件夹下的所有文件夹里的文件 /// </summary> /// <param name="dirs"></param> /// <param name="filesList"></param> public static void GetAllDirsFiles(DirectoryInfo[] dirs, Dictionary<string, DateTime> filesList) { foreach (DirectoryInfo dir in dirs) { foreach (FileInfo file in dir.GetFiles("*.*")) { filesList.Add(file.FullName, file.LastWriteTime); } GetAllDirsFiles(dir.GetDirectories(), filesList); } } #endregion /// <summary> /// 获取一个文件夹下的文件 /// </summary> /// <param name="dir">目录名称</param> /// <param name="filesList">文件列表HastTable</param> public static void GetAllDirFiles(DirectoryInfo dir, Dictionary<string, DateTime> filesList) { foreach (FileInfo file in dir.GetFiles("*.*")) { filesList.Add(file.FullName, file.LastWriteTime); } } #region 解压缩文件 /// <summary> /// 解压缩文件 /// </summary> /// <param name="GzipFile">压缩包文件名</param> /// <param name="targetPath">解压缩目标路径</param> public static void Decompress(string GzipFile, string targetPath) { //string directoryName = Path.GetDirectoryName(targetPath + "//") + "//"; string directoryName = targetPath; if (!Directory.Exists(directoryName)) Directory.CreateDirectory(directoryName);//生成解压目录 string CurrentDirectory = directoryName; byte[] data = new byte[2048]; int size = 2048; ZipEntry theEntry = null; using (ZipInputStream s = new ZipInputStream(File.OpenRead(GzipFile))) { while ((theEntry = s.GetNextEntry()) != null) { if (theEntry.IsDirectory) {// 该结点是目录 if (!Directory.Exists(CurrentDirectory + theEntry.Name)) Directory.CreateDirectory(CurrentDirectory + theEntry.Name); } else { if (theEntry.Name != String.Empty) { // 检查多级目录是否存在 if (theEntry.Name.Contains("//")) { string parentDirPath = theEntry.Name.Remove(theEntry.Name.LastIndexOf("//") + 1); if (!Directory.Exists(parentDirPath)) { Directory.CreateDirectory(CurrentDirectory + parentDirPath); } } //解压文件到指定的目录 using (FileStream streamWriter = File.Create(CurrentDirectory + "\" + theEntry.Name)) { while (true) { size = s.Read(data, 0, data.Length); if (size <= 0) break; streamWriter.Write(data, 0, size); } streamWriter.Close(); } } } } s.Close(); } } #endregion #region 压缩解压rar /// <summary> /// 解压RAR和ZIP文件(需存在Winrar.exe(只要自己电脑上可以解压或压缩文件就存在Winrar.exe)) /// </summary> /// <param name="UnPath">解压后文件保存目录</param> /// <param name="rarPathName">待解压文件存放绝对路径（包括文件名称）</param> /// <param name="IsCover">所解压的文件是否会覆盖已存在的文件(如果不覆盖,所解压出的文件和已存在的相同名称文件不会共同存在,只保留原已存在文件)</param> /// <param name="PassWord">解压密码(如果不需要密码则为空)</param> /// <returns>true(解压成功);false(解压失败)</returns> public static bool UnRarfile(string UnPath, string rarPathName, bool IsCover, string PassWord) { if (!Directory.Exists(UnPath)) Directory.CreateDirectory(UnPath); Process Process1 = new Process(); Process1.StartInfo.FileName = "Winrar.exe"; Process1.StartInfo.CreateNoWindow = true; string cmd = ""; if (!string.IsNullOrEmpty(PassWord) && IsCover) //解压加密文件且覆盖已存在文件( -p密码 ) cmd = string.Format(" x -p{0} -o+ {1} {2} -y", PassWord, rarPathName, UnPath); else if (!string.IsNullOrEmpty(PassWord) && !IsCover) //解压加密文件且不覆盖已存在文件( -p密码 ) cmd = string.Format(" x -p{0} -o- {1} {2} -y", PassWord, rarPathName, UnPath); else if (IsCover) //覆盖命令( x -o+ 代表覆盖已存在的文件) cmd = string.Format(" x -o+ {0} {1} -y", rarPathName, UnPath); else //不覆盖命令( x -o- 代表不覆盖已存在的文件) cmd = string.Format(" x -o- {0} {1} -y", rarPathName, UnPath); //命令 Process1.StartInfo.Arguments = cmd; Process1.Start(); Process1.WaitForExit();//无限期等待进程 winrar.exe 退出 //Process1.ExitCode==0指正常执行，Process1.ExitCode==1则指不正常执行 if (Process1.ExitCode == 0) { Process1.Close(); return true; } else { Process1.Close(); return false; } } /// <summary> /// 压缩文件成RAR或ZIP文件(需存在Winrar.exe(只要自己电脑上可以解压或压缩文件就存在Winrar.exe)) /// </summary> /// <param name="filesPath">将要压缩的文件夹或文件的绝对路径</param> /// <param name="rarPathName">压缩后的压缩文件保存绝对路径（包括文件名称）</param> /// <param name="IsCover">所压缩文件是否会覆盖已有的压缩文件(如果不覆盖,所压缩文件和已存在的相同名称的压缩文件不会共同存在,只保留原已存在压缩文件)</param> /// <param name="PassWord">压缩密码(如果不需要密码则为空)</param> /// <returns>true(压缩成功);false(压缩失败)</returns> public static bool CondenseRarOrZip(string filesPath, string rarPathName, bool IsCover, string PassWord) { string rarPath = Path.GetDirectoryName(rarPathName); if (!Directory.Exists(rarPath)) Directory.CreateDirectory(rarPath); Process Process1 = new Process(); Process1.StartInfo.FileName = "Winrar.exe"; Process1.StartInfo.CreateNoWindow = true; string cmd = ""; if (!string.IsNullOrEmpty(PassWord) && IsCover) //压缩加密文件且覆盖已存在压缩文件( -p密码 -o+覆盖 ) cmd = string.Format(" a -ep1 -p{0} -o+ {1} {2} -r", PassWord, rarPathName, filesPath); else if (!string.IsNullOrEmpty(PassWord) && !IsCover) //压缩加密文件且不覆盖已存在压缩文件( -p密码 -o-不覆盖 ) cmd = string.Format(" a -ep1 -p{0} -o- {1} {2} -r", PassWord, rarPathName, filesPath); else if (string.IsNullOrEmpty(PassWord) && IsCover) //压缩且覆盖已存在压缩文件( -o+覆盖 ) cmd = string.Format(" a -ep1 -o+ {0} {1} -r", rarPathName, filesPath); else //压缩且不覆盖已存在压缩文件( -o-不覆盖 ) cmd = string.Format(" a -ep1 -o- {0} {1} -r", rarPathName, filesPath); //命令 Process1.StartInfo.Arguments = cmd; Process1.Start(); Process1.WaitForExit();//无限期等待进程 winrar.exe 退出 //Process1.ExitCode==0指正常执行，Process1.ExitCode==1则指不正常执行 if (Process1.ExitCode == 0) { Process1.Close(); return true; } else { Process1.Close(); return false; } } #endregion // <summary> /// 删除所有文件（文件夹）包括本身 /// </summary> /// <param name="dir"></param> public void DeleteFolderAll(string dir) { if (Directory.Exists(dir)) //如果存在这个文件夹删除之 { foreach (string d in Directory.GetFileSystemEntries(dir)) { if (File.Exists(d)) File.Delete(d); //直接删除其中的文件 else DeleteFolderAll(d); //递归删除子文件夹 } Directory.Delete(dir, true); //删除已空文件夹 } } /// <summary> /// 删除某个路径下的所有东西 /// </summary> /// <param name="dirPath"></param> public static void DeleteFolder(string dirPath) { if (Directory.Exists(dirPath)) { foreach (string content in Directory.GetFileSystemEntries(dirPath)) { if (Directory.Exists(content)) { Directory.Delete(content, true); } else if (File.Exists(content)) { File.Delete(content); } } } }