/// <summary> /// 解压文件 /// </summary> public class UnZipFile { private string _fileName; public string FileName { get { return _fileName; } set { _fileName = value; } } /// <summary> /// 获取解压文件的进度 /// </summary> /// <param name="CurrentUnZipFileLength">当前文件解压的流长</param> /// <param name="length">当前解压文件的总长度</param> public delegate void GetUnZipFileProgress(int CurrentUnZipFileLength,long length); /// <summary> /// 获取解压文件的进度事件 /// </summary> public event GetUnZipFileProgress GetUnZipFileProgressEvent; /// <summary> /// 解压文件 /// </summary> /// <param name="args">下标为0,是需要解压的源文件,下标为1,是解压后的路径</param> public void UnZip(string[] args) { FileStream fileStream = File.OpenRead(args[0]); //获取源文件的长度 long length = fileStream.Length; //获取读取流 ZipInputStream s = new ZipInputStream(fileStream); ZipEntry theEntry; int readlength = 0; while ((theEntry = s.GetNextEntry()) != null) { string directoryName = Path.GetDirectoryName(args[1]); string fileName = Path.GetFileName(theEntry.Name); _fileName = theEntry.Name; try { if (fileName.Length == 0) { continue; } //生成解压目录 if (directoryName==null) { Directory.CreateDirectory(args[1] + theEntry.Name.Replace(fileName, "")); } else { Directory.CreateDirectory(directoryName + "\\" + theEntry.Name.Replace(fileName, "")); } if (fileName != String.Empty) { //解压文件到指定的目录 FileStream streamWriter = File.Create(args[1] + 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); readlength += size; if(readlength >=length) { readlength = (int)length; } if (GetUnZipFileProgressEvent!=null) { GetUnZipFileProgressEvent(readlength,length); } } else { break; } } streamWriter.Flush(); streamWriter.Close(); } } catch (Exception ex) { fileStream.Close(); s.Close(); throw ex; //Log.Writer.WriteLog(ex); } } //s.Flush(); fileStream.Close(); s.Close(); } /// <summary> /// 从 Zip 包中提取指定的文件 /// </summary> /// <param name="zipFilename">Zip压缩包</param> /// <param name="filename">要提取的文件</param> /// <param name="directoryName">提取后存储的位置</param> public void ExtractFile(string zipFilename, String filename, String directoryName) { FileStream fileStream = File.Open(zipFilename, FileMode.Open, FileAccess.Read, FileShare.Read); //获取源文件的长度 long length = fileStream.Length; if (length <= 0) return; //获取读取流 ZipInputStream s = new ZipInputStream(fileStream); ZipEntry theEntry; int readlength = 0; while ((theEntry = s.GetNextEntry()) != null) { _fileName = theEntry.Name; string zipEntryName = Path.GetFileName(theEntry.Name); if (filename.Equals(theEntry.Name)) { try { if (zipEntryName != String.Empty) { //解压文件到指定的目录 FileStream streamWriter = File.Create(System.IO.Path.Combine(directoryName, zipEntryName)); 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); readlength += size; if (readlength >= length) { readlength = (int)length; } if (GetUnZipFileProgressEvent != null) { GetUnZipFileProgressEvent(readlength, length); } } else { break; } } streamWriter.Flush(); streamWriter.Close(); } } catch (Exception ex) { fileStream.Close(); s.Close(); throw ex; //Log.Writer.WriteLog(ex); } break; } }//end while //s.Flush(); fileStream.Close(); s.Close(); }//end method /// <summary> /// 解压指定文件夹(但是此文件夹不能嵌套文件夹) /// </summary> /// <param name="args">下标为0,是需要解压的源文件,下标为1,是解压后的路径</param> /// <param name="folderName">指定文件夹名称</param> public void UnZipSpecifiedFolder(string[] args, string folderName,string serverId) { FileStream fileStream = File.OpenRead(args[0]); //获取源文件的长度 long length = fileStream.Length; //获取读取流 ZipInputStream s = new ZipInputStream(fileStream); ZipEntry theEntry; int readlength = 0; while ((theEntry = s.GetNextEntry()) != null) { string directoryName = Path.GetDirectoryName(args[1]); string theEntryName = null; if (serverId!=null&&serverId!="") { theEntryName = theEntry.Name.Replace("/"+serverId,""); } else { theEntryName = theEntry.Name; } string fileName = Path.GetFileName(theEntryName); _fileName = theEntry.Name; try { if (fileName.Length == 0) { continue; } string str = Path. GetDirectoryName(theEntry.Name.Replace(fileName, "")); string strs = Path.GetDirectoryName(theEntry.Name.Replace(fileName, "")).Replace(serverId + "\\",""); if (Path.GetDirectoryName(theEntry.Name.Replace(fileName, "")).Replace(serverId+"\\","") != folderName) { continue; } //生成解压目录 if (directoryName == null) { Directory.CreateDirectory(args[1] + theEntry.Name.Replace(fileName, "")); } else { Directory.CreateDirectory(directoryName + "\\" + theEntry.Name.Replace(fileName, "")); } if (fileName != String.Empty) { //解压文件到指定的目录 FileStream streamWriter = File.Create(args[1] + 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); readlength += size; if (readlength >= length) { readlength = (int)length; } if (GetUnZipFileProgressEvent != null) { GetUnZipFileProgressEvent(readlength, length); } } else { break; } } streamWriter.Flush(); streamWriter.Close(); } } catch (Exception ex) { throw ex; //Log.Writer.WriteLog(ex); } } //s.Flush(); fileStream.Close(); s.Close(); } /// <summary> /// 解压制定文件夹或文件 /// </summary> /// <param name="zipPath">压缩文件路径</param> /// <param name="filePath">指定文件或文件夹路径</param> /// <param name="savePath">解压后存放路径</param> /// <param name="isFloder">是否是文件夹 1 是 0 否</param> /// <param name="isHasDirectory">当是指定文件夹时是否保存文件夹 1 是 0否</param> /// <param name="fileNames">不需解压的文件名多个文件名以|分割 没有传空</param> public void UnZipedFile(string zipPath,string filePath,string savePath,string isFloder,string isHasDirectory,string fileNames) { switch (isFloder) { case"1": SpecifyFolder(zipPath, filePath, savePath, isHasDirectory,fileNames); break; case"2": SpecifyFile(zipPath, filePath, savePath,fileNames); break; default: break; } } /// <summary> /// 压缩文件中是否存在指定文件 /// </summary> /// <param name="zipPath">压缩文件路径</param> /// <param name="filePath">指定文件路径</param> /// <returns>是否存在 true 是 false 否</returns> public bool IsHasFile(string zipPath, string filePath) { FileStream fileStream = File.Open(zipPath, FileMode.Open, FileAccess.Read, FileShare.Read); bool isHasFile = false; //获取源文件的长度 long length = fileStream.Length; if (length <= 0) return isHasFile; //获取读取流 ZipInputStream s = new ZipInputStream(fileStream); ZipEntry theEntry; while ((theEntry = s.GetNextEntry()) != null) { _fileName = theEntry.Name; string zipEntryName = Path.GetFileName(theEntry.Name); string mFileName = Path.GetFileName(filePath); string mDirectoryName = Path.GetDirectoryName(filePath); string zipDirectoryName = zipPath + "\\"; if (!theEntry.Name.Equals(@"/")) { zipDirectoryName += Path.GetDirectoryName(theEntry.Name).Replace(@"\", "\\"); } //不是这个文件夹的同名文件不能解压 if (mFileName.Equals(zipEntryName) && mDirectoryName.Equals(mDirectoryName)) { try { if (zipEntryName != String.Empty) { isHasFile=true; } } catch (Exception e) { isHasFile = false; //Log.Writer.WriteLog(ex); } break; } } fileStream.Close(); s.Close(); return isHasFile; } /// <summary> /// 解压制定文件 /// </summary> /// <param name="zipFilename">压缩文件路径</param> /// <param name="filename">指定文件路径</param> /// <param name="savePath">解压后存放路径</param> ///<param name="fileNames">不需解压的文件名多个文件名以|分割 没有传空</param> public void SpecifyFile(string zipPath, string filePath, string savePath,string fileNames) { FileStream fileStream = File.Open(zipPath, FileMode.Open, FileAccess.Read, FileShare.Read); //获取源文件的长度 long length = fileStream.Length; if (length <= 0) return; //获取读取流 ZipInputStream s = new ZipInputStream(fileStream); ZipEntry theEntry; int readlength = 0; while ((theEntry = s.GetNextEntry()) != null) { _fileName = theEntry.Name; string zipEntryName = Path.GetFileName(theEntry.Name); string mFileName = Path.GetFileName(filePath); string mDirectoryName = Path.GetDirectoryName(filePath); string zipDirectoryName = zipPath + "\\"; if (!theEntry.Name.Equals(@"/")) { zipDirectoryName += Path.GetDirectoryName(theEntry.Name).Replace(@"\", "\\"); } //不是这个文件夹的同名文件不能解压 if (mFileName.Equals(zipEntryName) && mDirectoryName.Equals(mDirectoryName)) { try { if (zipEntryName != String.Empty) { if (!fileNames.Contains(zipEntryName)) { //解压文件到指定的目录 string saveFilePath = System.IO.Path.Combine(savePath, zipEntryName); if (System.IO.File.Exists(saveFilePath)) { DeleteOldFile dOldFile = new DeleteOldFile(); dOldFile.RenameOldFile(saveFilePath); } FileStream streamWriter = File.Create(System.IO.Path.Combine(savePath, zipEntryName)); 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); readlength += size; if (readlength >= length) { readlength = (int)length; } } else { break; } } streamWriter.Flush(); streamWriter.Close(); } } } catch (Exception ex) { throw ex; //Log.Writer.WriteLog(ex); } break; } } fileStream.Close(); s.Close(); } /// <summary> /// 解压制定文件夹 /// </summary> /// <param name="zipFilename">压缩文件路径</param> /// <param name="filename">指定文件夹路径</param> /// <param name="savePath">解压后存放路径</param> /// <param name="isHasDirectory">当是指定文件夹时是否保存文件夹 1 是 0否</param> /// <param name="fileNames">不需解压的文件名多个文件名以|分割 没有传空</param> public void SpecifyFolder(string zipFilename, string filename, string savePath,string isHasDirectory,string fileNames) { FileStream fileStream = File.Open(zipFilename, FileMode.Open, FileAccess.Read, FileShare.Read); //获取源文件的长度 long length = fileStream.Length; if (length <= 0) return; //获取读取流 ZipInputStream s = new ZipInputStream(fileStream); ZipEntry theEntry; int readlength = 0; while ((theEntry = s.GetNextEntry()) != null) { _fileName = theEntry.Name; string zipEntryName = Path.GetFileName(theEntry.Name); string mFileName = Path.GetFileName(filename); string zipDirectoryName = zipFilename + "\\"; if (!theEntry.Name.Equals(@"/")) { zipDirectoryName += Path.GetDirectoryName(theEntry.Name).Replace(@"\", "\\"); } if (zipDirectoryName.Contains(filename))//非此文件夹内的文件不能解压缩 { try { string mDirectoryName = System.IO.Path.Combine(savePath, Path.GetDirectoryName(theEntry.Name)); //是否只要文件 1 是 if (isHasDirectory.Equals("1")) { if (!Directory.Exists(mDirectoryName)) { Directory.CreateDirectory(mDirectoryName); } } if (zipEntryName != String.Empty) { if (!fileNames.Contains(zipEntryName)) { //解压文件到指定的目录 string saveFilePath = System.IO.Path.Combine(savePath, zipEntryName); if (System.IO.File.Exists(saveFilePath)) { DeleteOldFile dOldFile = new DeleteOldFile(); dOldFile.RenameOldFile(saveFilePath); } FileStream streamWriter = File.Create(System.IO.Path.Combine(savePath, zipEntryName)); 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); readlength += size; if (readlength >= length) { readlength = (int)length; } } else { break; } } streamWriter.Flush(); streamWriter.Close(); } } } catch (Exception ex) { fileStream.Close(); s.Close(); throw ex; //Log.Writer.WriteLog(ex); } } }//end while //s.Flush(); fileStream.Close(); s.Close(); } }