即粘即用的ICSharpCode快速解壓縮幫助類

在項目中往往使用解壓縮公共類，解壓縮之後的文件占用空間小，也可進行加密，往往可以用於客戶端上傳附件，打包輸出主程序等，其中的好處就不多說了，最近著手的項目中多次使用到了解壓縮方法，現較流行的就是ICSharpCode，穩定，高效，是一個不錯的解壓縮封裝類。通過InterNET和個人的整理，現將該類分享出來，作為資源分享給大家，這樣就可以不用在埋頭苦腦的在InterNET上苦苦尋找了，廢話不多說，上代碼：

using System;
using System.Collections.Generic;
using System.IO;
using System.Security.Cryptography;
using ICSharpCode.SharpZipLib.Core;
using ICSharpCode.SharpZipLib.Zip;
    
namespace Helper
{
    public class Utily
    {
        /// <summary>
        /// 快速壓縮
        /// </summary>
        /// <param name="filesPath">需要壓縮的文件夾路徑</param>
        /// <param name="zipFilePath">輸出路徑</param>
        /// <param name="pwd">密碼，可不寫</param>
        /// <param name="fileFilter">過濾條件</param>
        /// <param name="CreateEmptyDirectories">是否壓縮空文件夾</param>
        /// <param name="progressFun">處理進程</param>
        /// <param name="seconds">觸發的秒數</param>
        /// <param name="completeFun">完成事件</param>
        public static void CreateZipFile(string filesPath, string zipFilePath, string pwd, string fileFilter, bool CreateEmptyDirectories, ProgressHandler progressFun, double seconds, CompletedFileHandler completeFun)
        {
            FastZipEvents events = new FastZipEvents();
            if (progressFun != null)
            {
                events.Progress = progressFun;
                events.ProgressInterval = TimeSpan.FromSeconds(seconds);
            }
            if (completeFun != null)
            {
                events.CompletedFile = completeFun;
            }
            FastZip zip = new FastZip(events);
            zip.CreateEmptyDirectories = CreateEmptyDirectories;
            if (!string.IsNullOrEmpty(pwd))
                zip.Password = pwd;
            zip.UseZip64 = UseZip64.On;
            zip.RestoreAttributesOnExtract = true;
            zip.RestoreDateTimeOnExtract = true;
            zip.CreateZip(zipFilePath, filesPath, true, fileFilter);
        }
    
        /// <summary>
        /// 快速解壓
        /// </summary>
        /// <param name="zipFilePath">壓縮文件路徑</param>
        /// <param name="extractPath">解壓路徑</param>
        /// <param name="pwd">壓縮密碼</param>
        /// <param name="progressFun">進程</param>
        /// <param name="seconds">觸發時間</param>
        public static void ExtractZipFile(string zipFilePath, string extractPath, string pwd, ProgressHandler progressFun, double seconds)
        {
            FastZipEvents events = new FastZipEvents();
            if (progressFun != null)
            {
                events.Progress = progressFun;
                events.ProgressInterval = TimeSpan.FromSeconds(seconds);
            }
            FastZip zip = new FastZip(events);
    
            zip.CreateEmptyDirectories = true;
            if (!string.IsNullOrEmpty(pwd))
                zip.Password = pwd;
            zip.UseZip64 = UseZip64.On;
            zip.RestoreAttributesOnExtract = true;
            zip.RestoreDateTimeOnExtract = true;
            zip.ExtractZip(zipFilePath, extractPath, FastZip.Overwrite.Always, null, "", "", true);
        }
    
        /// <summary>
        /// 快速解壓
        /// </summary>
        /// <param name="zipFilePath">壓縮文件路徑</param>
        /// <param name="extractPath">解壓路徑</param>
        /// <param name="pwd">密碼</param>
        /// <param name="progressFun">進程</param>
        /// <param name="seconds">觸發時間</param>
        /// <param name="completeFun">壓縮過程中執行的函數</param>
        public static void ExtractZipFile(string zipFilePath, string extractPath, string pwd, ProgressHandler progressFun, double seconds, CompletedFileHandler completeFun)
        {
            FastZipEvents events = new FastZipEvents();
            if (progressFun != null)
            {
                events.Progress = progressFun;
                events.ProgressInterval = TimeSpan.FromSeconds(seconds);
            }
            if (completeFun != null)
            {
                events.CompletedFile = completeFun;
            }
            FastZip zip = new FastZip(events);
    
            zip.CreateEmptyDirectories = true;
            if (!string.IsNullOrEmpty(pwd))
                zip.Password = pwd;
            zip.UseZip64 = UseZip64.On;
            zip.RestoreAttributesOnExtract = true;
            zip.RestoreDateTimeOnExtract = true;
            zip.ExtractZip(zipFilePath, extractPath, FastZip.Overwrite.Always, null, "", "", true);
        }
    
        /// <summary>
        /// 獲得壓縮包內原文件總大小
        /// </summary>
        /// <param name="fileName"></param>
        /// <param name="fileFilter"></param>
        /// <param name="directoryFilter"></param>
        /// <returns></returns>
        public static long GetZipFileSize(string fileName, string fileFilter, string directoryFilter)
        {
            long b = 0;
            using (ZipFile zipFile = new ZipFile(fileName))
            {
                PathFilter localFileFilter = new PathFilter(fileFilter);
                PathFilter localDirFilter = new PathFilter(directoryFilter);
    
                if (zipFile.Count == 0)
                {
                    return 0;
                }
                for (int i = 0; i < zipFile.Count; ++i)
                {
                    ZipEntry e = zipFile[i];
                    if (e.IsFile)
                    {
                        string path = Path.GetDirectoryName(e.Name);
                        if (localDirFilter.IsMatch(path))
                        {
                            if (localFileFilter.IsMatch(Path.GetFileName(e.Name)))
                            {
                                b += e.Size;
                            }
                        }
                    }
                }
            }
            return b;
        }
    
        /// <summary>
        /// 獲得MD5校驗碼
        /// </summary>
        /// <param name="filepath"></param>
        /// <returns></returns>
        public static string GetMD5(string filepath)
        {
            string returnStr = "";
            FileStream fs = new FileStream(filepath, FileMode.Open, FileAccess.Read);
            MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
            byte[] md5byte = md5.ComputeHash(fs);
            int i, j;
            foreach (byte b in md5byte)
            {
                i = Convert.ToInt32(b);
                j = i >> 4;
                returnStr += Convert.ToString(j, 16);
                j = ((i << 4) & 0x00ff) >> 4;
                returnStr += Convert.ToString(j, 16);
            }
            fs.Dispose();
            return returnStr;
        }
    
        /// <summary>
        /// 解壓縮特定文件名的文件
        /// </summary>
        /// <param name="path">文件路徑</param>
        /// <param name="addres">解壓縮路徑</param>
		///查看本欄目