Elight.Utility/Core/ZipHelper.cs

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using ICSharpCode.SharpZipLib.Zip;
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;

namespace Elight.Utility.Core
{
    public static class ZipHelper
    {
        /// <summary>
        /// 压缩
        /// </summary> 
        /// <param name="filename"> 压缩后的文件名(包含物理路径)</param>
        /// <param name="directory">待压缩的文件夹(包含物理路径)</param>
        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;
            }
        }

        /// <summary>
        /// 解压缩
        /// </summary>
        /// <param name="file">待解压文件名(包含物理路径)</param>
        /// <param name="dir"> 解压到哪个目录中(包含物理路径)</param>
        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)
                        {