ICSharpCode.SharpZipLib.dll

时间:2015-09-14 04:05:21
【文件属性】:

文件名称:ICSharpCode.SharpZipLib.dll

文件大小:240KB

文件格式:ZIP

更新时间:2015-09-14 04:05:21

第三方控件

using System; using System.Collections.Generic; using System.Linq; using System.Text; using Microsoft.Win32; using System.IO; using ICSharpCode.SharpZipLib.Checksums; using ICSharpCode.SharpZipLib.Zip; using System.Diagnostics; namespace FileOperations { public class SharpZip { public SharpZip() { } ///

/// 压缩 /// /// 压缩后的文件名(包含物理路径) /// 待压缩的文件夹(包含物理路径) public static void PackFiles(string filename, string directory) { try { FastZip fz = new FastZip(); fz.CreateEmptyDirectories = true; fz.CreateZip(filename, directory, true, ""); fz = null; } catch (Exception) { throw; } } /// /// 解压缩 /// /// 待解压文件名(包含物理路径) /// 解压到哪个目录中(包含物理路径) public static bool UnpackFiles(string file, string dir) { try { 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) { throw; } } } public class ClassZip { #region 私有方法 /// /// 递归压缩文件夹方法 /// private static bool ZipFileDictory(string FolderToZip, ZipOutputStream s, string ParentFolderName) { bool res = true; string[] folders, filenames; ZipEntry entry = null; FileStream fs = null; Crc32 crc = new Crc32(); try { entry = new ZipEntry(Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip) + "/")); s.PutNextEntry(entry); s.Flush(); filenames = Directory.GetFiles(FolderToZip); foreach (string file in filenames) { fs = File.OpenRead(file); byte[] buffer = new byte[fs.Length]; fs.Read(buffer, 0, buffer.Length); entry = new ZipEntry(Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip) + "/" + 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); } } catch { res = false; } finally { if (fs != null) { fs.Close(); fs = null; } if (entry != null) { entry = null; } GC.Collect(); GC.Collect(1); } folders = Directory.GetDirectories(FolderToZip); foreach (string folder in folders) { if (!ZipFileDictory(folder, s, Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip)))) { return false; } } return res; } /// /// 压缩目录 /// /// 待压缩的文件夹,全路径格式 /// 压缩后的文件名,全路径格式 private static bool ZipFileDictory(string FolderToZip, string ZipedFile, int level) { bool res; if (!Directory.Exists(FolderToZip)) { return false; } ZipOutputStream s = new ZipOutputStream(File.Create(ZipedFile)); s.SetLevel(level); res = ZipFileDictory(FolderToZip, s, ""); s.Finish(); s.Close(); return res; } /// /// 压缩文件 /// /// 要进行压缩的文件名 /// 压缩后生成的压缩文件名 private static bool ZipFile(string FileToZip, string ZipedFile, int level) { if (!File.Exists(FileToZip)) { throw new System.IO.FileNotFoundException("指定要压缩的文件: " + FileToZip + " 不存在!"); } FileStream ZipFile = null; ZipOutputStream ZipStream = null; ZipEntry ZipEntry = null; bool res = true; try { ZipFile = File.OpenRead(FileToZip); byte[] buffer = new byte[ZipFile.Length]; ZipFile.Read(buffer, 0, buffer.Length); ZipFile.Close(); ZipFile = File.Create(ZipedFile); ZipStream = new ZipOutputStream(ZipFile); ZipEntry = new ZipEntry(Path.GetFileName(FileToZip)); ZipStream.PutNextEntry(ZipEntry); ZipStream.SetLevel(level); ZipStream.Write(buffer, 0, buffer.Length); } catch { res = false; } finally { if (ZipEntry != null) { ZipEntry = null; } if (ZipStream != null) { ZipStream.Finish(); ZipStream.Close(); } if (ZipFile != null) { ZipFile.Close(); ZipFile = null; } GC.Collect(); GC.Collect(1); } return res; } #endregion /// /// 压缩 /// /// 待压缩的文件目录 /// 生成的目标文件 /// 6 public static bool Zip(String FileToZip, String ZipedFile, int level) { if (Directory.Exists(FileToZip)) { return ZipFileDictory(FileToZip, ZipedFile, level); } else if (File.Exists(FileToZip)) { return ZipFile(FileToZip, ZipedFile, level); } else { return false; } } /// /// 解压 /// /// 待解压的文件 /// 解压目标存放目录 public static void UnZip(string FileToUpZip, string ZipedFolder) { if (!File.Exists(FileToUpZip)) { return; } if (!Directory.Exists(ZipedFolder)) { Directory.CreateDirectory(ZipedFolder); } ZipInputStream s = null; ZipEntry theEntry = null; string fileName; FileStream streamWriter = null; try { s = new ZipInputStream(File.OpenRead(FileToUpZip)); while ((theEntry = s.GetNextEntry()) != null) { if (theEntry.Name != String.Empty) { fileName = Path.Combine(ZipedFolder, theEntry.Name); 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); } } } public class ZipHelper { #region 私有变量 String the_rar; RegistryKey the_Reg; Object the_Obj; String the_Info; ProcessStartInfo the_StartInfo; Process the_Process; #endregion /// /// 压缩 /// /// 要解压的文件名 /// 要压缩的文件目录 /// 初始目录 public void EnZip(string zipname, string zippath, string dirpath) { try { the_Reg = Registry.ClassesRoot.OpenSubKey(@"Applications\WinRAR.exe\Shell\Open\Command"); the_Obj = the_Reg.GetValue(""); the_rar = the_Obj.ToString(); the_Reg.Close(); the_rar = the_rar.Substring(1, the_rar.Length - 7); the_Info = " a " + zipname + " " + zippath; the_StartInfo = new ProcessStartInfo(); the_StartInfo.FileName = the_rar; the_StartInfo.Arguments = the_Info; the_StartInfo.WindowStyle = ProcessWindowStyle.Hidden; the_StartInfo.WorkingDirectory = dirpath; the_Process = new Process(); the_Process.StartInfo = the_StartInfo; the_Process.Start(); } catch (Exception ex) { throw new Exception(ex.Message); } } /// /// 解压缩 /// /// 要解压的文件名 /// 要解压的文件路径 public void DeZip(string zipname, string zippath) { try { the_Reg = Registry.ClassesRoot.OpenSubKey(@"Applications\WinRar.exe\Shell\Open\Command"); the_Obj = the_Reg.GetValue(""); the_rar = the_Obj.ToString(); the_Reg.Close(); the_rar = the_rar.Substring(1, the_rar.Length - 7); the_Info = " X " + zipname + " " + zippath; the_StartInfo = new ProcessStartInfo(); the_StartInfo.FileName = the_rar; the_StartInfo.Arguments = the_Info; the_StartInfo.WindowStyle = ProcessWindowStyle.Hidden; the_Process = new Process(); the_Process.StartInfo = the_StartInfo; the_Process.Start(); } catch (Exception ex) { throw new Exception(ex.Message); } } } } 里面有3个DLL,根据自己需求使用,还附带使用cs类。


【文件预览】:
SharpZipLib
----net-11()
--------ICSharpCode.SharpZipLib.dll(204KB)
----netcf-20()
--------ICSharpCode.SharpZipLib.dll(192KB)
----使用方法cs文件()
--------SharpZip.cs(14KB)
----net-20()
--------ICSharpCode.SharpZipLib.dll(196KB)

网友评论

  • 总体看起来不错,需要努力学习一下
  • 不错,确实好用
  • 非常不错!解决了问题!
  • 提供了很多种c#压缩算法,已经用上了,不错
  • 可以实现功能,能够实现pdf导出
  • 比较好的工具。
  • 有参考价值,谢谢分享
  • 很好用,非常感谢
  • 不错的,可以使用
  • 不错,确实很好用。
  • 下载失败了,分数却照样被扣了,不过算了,重新下载也是免分的,有空再来重新弄吧
  • 挺不错的,谢谢楼主分享
  • 非常好,已经用上了
  • 很好,用的很开心
  • 有参考价值,谢谢分享
  • 有参考价值,谢谢分享
  • 有参考价值,谢谢分享
  • 不错,可以使用。。。。
  • 难能可贵还有例子,不过我的找不到入口,有问题
  • 顶一个!!!!挺好用的
  • 非常好,已经用上了
  • 很好,很实用
  • 很好用的dll,实现了asp。net文件打包下载
  • 很好,已经用了
  • 不错,帮我解决大问题了
  • 就差这一个插件,谢谢分享,好用!
  • 不错,问题得到了解决……
  • 谢谢了 还附了3个类
  • 难能可贵还有例子,不过我的找不到入口,有问题
  • 很有用,特别是那个例子。不过我想实现压缩不同目录下的多个文件,还需要再修改代码。