ICSharpCode.SharpZipLib.dll使用指南

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() {}

        /// 

        /// 压缩文件夹
        /// 
        /// 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 {
                    CreateEmptyDirectories = true
                };
                fz.CreateZip(filename, directory, true, "");
            } catch (Exception) {
                throw;
            }
        }

        /// 

        /// 解压文件
        /// 
        /// 待解压文件名(包含物理路径)
        /// 解压到的目录(包含物理路径)
        public static bool UnpackFiles(string file, string dir) {
            try {
                if (!Directory.Exists(dir)) {
                    Directory.CreateDirectory(dir);
                }
                using (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 (!string.IsNullOrEmpty(directoryName)) {
                            Directory.CreateDirectory(Path.Combine(dir, directoryName));
                        }

                        if (!string.IsNullOrEmpty(fileName)) {
                            using (FileStream streamWriter = File.Create(Path.Combine(dir, theEntry.Name))) {
                                int size = 2048;
                                byte[] data = new byte[size];
                                while ((size = s.Read(data, 0, data.Length)) > 0) {
                                    streamWriter.Write(data, 0, size);
                                }
                            }
                        }
                    }
                }
                return true;
            } catch (Exception) {
                throw;
            }
        }
    }

    public class ClassZip {
        private static bool ZipFileDirectory(string folderToZip, ZipOutputStream s, string parentFolderName) {
            bool res = true;
            try {
                string[] filenames = Directory.GetFiles(folderToZip);
                s.PutNextEntry(new ZipEntry(Path.Combine(parentFolderName, Path.GetFileName(folderToZip) + "/")));
                s.Flush();

                foreach (string file in filenames) {
                    using (FileStream fs = File.OpenRead(file)) {
                        byte[] buffer = new byte[fs.Length];
                        fs.Read(buffer, 0, buffer.Length);

                        ZipEntry entry = new ZipEntry(Path.Combine(parentFolderName, Path.GetFileName(folderToZip) + "/" + Path.GetFileName(file))) {
                            DateTime = DateTime.Now,
                            Size = fs.Length
                        };

                        Crc32 crc = new Crc32();
                        crc.Update(buffer);
                        entry.Crc = crc.Value;
                        s.PutNextEntry(entry);
                        s.Write(buffer, 0, buffer.Length);
                    }
                }
            } catch {
                res = false;
            }

            string[] folders = Directory.GetDirectories(folderToZip);
            foreach (string folder in folders) {
                if (!ZipFileDirectory(folder, s, Path.Combine(parentFolderName, Path.GetFileName(folderToZip)))) {
                    return false;
                }
            }
            return res;
        }

        public static bool Zip(string fileToZip, string zipedFile, int level) {
            if (Directory.Exists(fileToZip)) {
                return ZipFileDirectory(fileToZip, new ZipOutputStream(File.Create(zipedFile)) { SetLevel = level }, "");
            } else if (File.Exists(fileToZip)) {
                using (FileStream zipFile = File.Create(zipedFile))
                using (ZipOutputStream zipStream = new ZipOutputStream(zipFile) { SetLevel = level })
                using (FileStream fs = File.OpenRead(fileToZip)) {
                    byte[] buffer = new byte[fs.Length];
                    fs.Read(buffer, 0, buffer.Length);

                    ZipEntry entry = new ZipEntry(Path.GetFileName(fileToZip));
                    zipStream.PutNextEntry(entry);
                    zipStream.Write(buffer, 0, buffer.Length);
                }
                return true;
            }
            return false;
        }

        public static void UnZip(string fileToUpZip, string zipedFolder) {
            if (!File.Exists(fileToUpZip) || !Directory.Exists(zipedFolder)) {
                Directory.CreateDirectory(zipedFolder);
            }

            using (ZipInputStream s = new ZipInputStream(File.OpenRead(fileToUpZip))) {
                ZipEntry theEntry;
                while ((theEntry = s.GetNextEntry()) != null) {
                    if (!string.IsNullOrEmpty(theEntry.Name)) {
                        string fileName = Path.Combine(zipedFolder, theEntry.Name);

                        if (fileName.EndsWith("/") || fileName.EndsWith("")) {
                            Directory.CreateDirectory(fileName);
                        } else {
                            using (FileStream streamWriter = File.Create(fileName)) {
                                int size = 2048;
                                byte[] data = new byte[size];
                                while ((size = s.Read(data, 0, data.Length)) > 0) {
                                    streamWriter.Write(data, 0, size);
                                }
                            }
                        }
                    }
                }
            }
        }
    }

    public class ZipHelper {
        private string the_rar;
        private RegistryKey the_Reg;
        private object the_Obj;
        private string the_Info;
        private ProcessStartInfo the_StartInfo;
        private Process the_Process;

        public void EnZip(string zipname, string zippath, string dirpath) {
            try {
                the_Reg = Registry.ClassesRoot.OpenSubKey(@"ApplicationsWinRAR.exeShellOpenCommand");
                the_Obj = the_Reg.GetValue("");
                the_rar = the_Obj.ToString().Substring(1, the_Obj.ToString().Length - 7);
                the_Reg.Close();

                the_Info = " a " + zipname + " " + zippath;
                the_StartInfo = new ProcessStartInfo {
                    FileName = the_rar,
                    Arguments = the_Info,
                    WindowStyle = ProcessWindowStyle.Hidden,
                    WorkingDirectory = dirpath
                };

                the_Process = new Process {
                    StartInfo = the_StartInfo
                };
                the_Process.Start();
            } catch (Exception ex) {
                throw new Exception(ex.Message);
            }
        }

        public void DeZip(string zipname, string zippath) {
            try {
                the_Reg = Registry.ClassesRoot.OpenSubKey(@"ApplicationsWinRAR.exeShellOpenCommand");
                the_Obj = the_Reg.GetValue("");
                the_rar = the_Obj.ToString().Substring(1, the_Obj.ToString().Length - 7);
                the_Reg.Close();

                the_Info = " X " + zipname + " " + zippath;
                the_StartInfo = new ProcessStartInfo {
                    FileName = the_rar,
                    Arguments = the_Info,
                    WindowStyle = ProcessWindowStyle.Hidden
                };

                the_Process = new Process {
                    StartInfo = the_StartInfo
                };
                the_Process.Start();
            } catch (Exception ex) {
                throw new Exception(ex.Message);
            }
        }
    }
}