C#多級文件夾及文件的zip壓縮解壓

 

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Collections;
using System.IO;
using ICSharpCode.SharpZipLib.Zip;

namespace test
{
    public partial class Form2 : Form
    {
        string dirPath = @"E:/test";
        string zipFilePath = @"E:/test.zip";
        string unZipDir = @"E:/";

        public Form2()
        {
            InitializeComponent();
        }
        //壓縮
        public static void ZipFiles(string inputFolderPath, string outputPathAndFile)
        {
            ArrayList ar = GenerateFileList(inputFolderPath); // generate file list
            int TrimLength = (Directory.GetParent(inputFolderPath)).ToString().Length;
            // find number of chars to remove     // from orginal file path
            FileStream ostream;
            byte[] obuffer;
            string outPath = outputPathAndFile;
            ZipOutputStream oZipStream = new ZipOutputStream(File.Create(outPath)); // create zip stream
            oZipStream.SetLevel(9); // maximum compression
            ZipEntry oZipEntry;
            foreach (string Fil in ar) // for each file, generate a zipentry
            {
                oZipEntry = new ZipEntry(Fil.Remove(0, TrimLength));
                oZipStream.PutNextEntry(oZipEntry);

                if (!Fil.EndsWith(@"/")) // if a file ends with '/' its a directory
                {
                    ostream = File.OpenRead(Fil);
                    obuffer = new byte[ostream.Length];
                    ostream.Read(obuffer, 0, obuffer.Length);
                    oZipStream.Write(obuffer, 0, obuffer.Length);
                    ostream.Dispose();
                }
            }
            oZipStream.Finish();
            oZipStream.Close();
        }

        private static ArrayList GenerateFileList(string Dir)
        {
            ArrayList fils = new ArrayList();
            bool Empty = true;
            foreach (string file in Directory.GetFiles(Dir)) // add each file in directory
            {
                fils.Add(file);
                Empty = false;
            }

            if (Empty)
            {
                if (Directory.GetDirectories(Dir).Length == 0)
                // if directory is completely empty, add it
                {
                    fils.Add(Dir + @"/");
                }
            }

            foreach (string dirs in Directory.GetDirectories(Dir)) // recursive
            {
                foreach (object obj in GenerateFileList(dirs))
                {
                    fils.Add(obj);
                }
            }
            return fils; // return file list
        }
        //壓縮按鈕
        private void button1_Click(object sender, EventArgs e)
        {
            ZipFiles(dirPath, zipFilePath);
        }

        //解壓
        public static void UnZipFiles(string zipPathAndFile, string outputFolder, bool deleteZipFile)
        {
            ZipInputStream s = new ZipInputStream(File.OpenRead(zipPathAndFile));
            ZipEntry theEntry;
            string tmpEntry = String.Empty;
            while ((theEntry = s.GetNextEntry()) != null)
            {
                string directoryName = outputFolder;
                string fileName = Path.GetFileName(theEntry.Name);
                // create directory
                if (directoryName != "")
                {
                    Directory.CreateDirectory(directoryName);
                }
                if (fileName != String.Empty)
                {
                    string fullPath = directoryName + "\\" + theEntry.Name;
                    fullPath = fullPath.Replace("\\ ", "\\");
                    string fullDirPath = Path.GetDirectoryName(fullPath);
                    if (!Directory.Exists(fullDirPath)) Directory.CreateDirectory(fullDirPath);
                    FileStream streamWriter = File.Create(fullPath);
                    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();
            if (deleteZipFile)
                File.Delete(zipPathAndFile);
        }
        //解壓按鈕
        private void button2_Click(object sender, EventArgs e)
        {
            UnZipFiles(zipFilePath, unZipDir, false);
        }
    }
}