mirror of
https://github.com/BeyondDimension/SteamTools.git
synced 2026-10-19 07:01:35 +08:00
rmbgame
323 lines
10 KiB
C#
323 lines
10 KiB
C#
using ICSharpCode.SharpZipLib.Checksum;
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using ICSharpCode.SharpZipLib.Zip;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Text;
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namespace SteamTool.Core.Common
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{
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public static class ZipHelper
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{
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/// <summary>
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/// 压缩
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/// </summary>
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/// <param name="filename"> 压缩后的文件名(包含物理路径)</param>
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/// <param name="directory">待压缩的文件夹(包含物理路径)</param>
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public static void PackFiles(string filename, string directory)
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{
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try
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{
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FastZip fz = new FastZip();
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fz.CreateEmptyDirectories = true;
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fz.CreateZip(filename, directory, true, "");
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fz = null;
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}
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catch (Exception)
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{
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throw;
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}
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}
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/// <summary>
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/// 解压缩
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/// </summary>
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/// <param name="file">待解压文件名(包含物理路径)</param>
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/// <param name="dir"> 解压到哪个目录中(包含物理路径)</param>
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public static bool UnpackFiles(string file, string dir)
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{
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try
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{
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if (!Directory.Exists(dir))
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{
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Directory.CreateDirectory(dir);
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}
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ZipInputStream s = new ZipInputStream(File.OpenRead(file));
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ZipEntry theEntry;
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while ((theEntry = s.GetNextEntry()) != null)
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{
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string directoryName = Path.GetDirectoryName(theEntry.Name);
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string fileName = Path.GetFileName(theEntry.Name);
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if (directoryName != String.Empty)
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{
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Directory.CreateDirectory(Path.Combine(dir, directoryName));
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}
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if (fileName != String.Empty)
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{
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FileStream streamWriter = File.Create(Path.Combine(dir, theEntry.Name));
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int size = 2048;
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byte[] data = new byte[2048];
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while (true)
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{
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size = s.Read(data, 0, data.Length);
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if (size > 0)
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{
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streamWriter.Write(data, 0, size);
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}
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else
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{
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break;
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}
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}
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streamWriter.Close();
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}
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}
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s.Close();
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return true;
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}
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catch (Exception)
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{
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throw;
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}
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}
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}
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public static class ClassZip
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{
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#region 私有方法
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/// <summary>
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/// 递归压缩文件夹方法
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/// </summary>
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private static bool ZipFileDictory(string FolderToZip, ZipOutputStream s, string ParentFolderName)
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{
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bool res = true;
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string[] folders, filenames;
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ZipEntry entry = null;
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FileStream fs = null;
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Crc32 crc = new Crc32();
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try
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{
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entry = new ZipEntry(Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip) + "/"));
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s.PutNextEntry(entry);
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s.Flush();
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filenames = Directory.GetFiles(FolderToZip);
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foreach (string file in filenames)
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{
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fs = File.OpenRead(file);
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byte[] buffer = new byte[fs.Length];
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fs.Read(buffer, 0, buffer.Length);
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entry = new ZipEntry(Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip) + "/" + Path.GetFileName(file)));
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entry.DateTime = DateTime.Now;
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entry.Size = fs.Length;
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fs.Close();
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crc.Reset();
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crc.Update(buffer);
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entry.Crc = crc.Value;
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s.PutNextEntry(entry);
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s.Write(buffer, 0, buffer.Length);
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}
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}
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catch
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{
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res = false;
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}
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finally
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{
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if (fs != null)
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{
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fs.Close();
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fs = null;
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}
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if (entry != null)
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{
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entry = null;
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}
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GC.Collect();
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GC.Collect(1);
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}
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folders = Directory.GetDirectories(FolderToZip);
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foreach (string folder in folders)
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{
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if (!ZipFileDictory(folder, s, Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip))))
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{
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return false;
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}
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}
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return res;
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}
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/// <summary>
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/// 压缩目录
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/// </summary>
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/// <param name="FolderToZip">待压缩的文件夹，全路径格式</param>
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/// <param name="ZipedFile">压缩后的文件名，全路径格式</param>
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private static bool ZipFileDictory(string FolderToZip, string ZipedFile, int level)
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{
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bool res;
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if (!Directory.Exists(FolderToZip))
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{
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return false;
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}
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ZipOutputStream s = new ZipOutputStream(File.Create(ZipedFile));
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s.SetLevel(level);
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res = ZipFileDictory(FolderToZip, s, "");
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s.Finish();
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s.Close();
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return res;
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}
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/// <summary>
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/// 压缩文件
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/// </summary>
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/// <param name="FileToZip">要进行压缩的文件名</param>
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/// <param name="ZipedFile">压缩后生成的压缩文件名</param>
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private static bool ZipFile(string FileToZip, string ZipedFile, int level)
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{
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if (!File.Exists(FileToZip))
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{
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throw new System.IO.FileNotFoundException("指定要压缩的文件: " + FileToZip + " 不存在!");
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}
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FileStream ZipFile = null;
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ZipOutputStream ZipStream = null;
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ZipEntry ZipEntry = null;
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bool res = true;
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try
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{
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ZipFile = File.OpenRead(FileToZip);
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byte[] buffer = new byte[ZipFile.Length];
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ZipFile.Read(buffer, 0, buffer.Length);
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ZipFile.Close();
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ZipFile = File.Create(ZipedFile);
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ZipStream = new ZipOutputStream(ZipFile);
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ZipEntry = new ZipEntry(Path.GetFileName(FileToZip));
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ZipStream.PutNextEntry(ZipEntry);
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ZipStream.SetLevel(level);
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ZipStream.Write(buffer, 0, buffer.Length);
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}
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catch
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{
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res = false;
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}
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finally
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{
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if (ZipEntry != null)
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{
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ZipEntry = null;
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}
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if (ZipStream != null)
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{
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ZipStream.Finish();
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ZipStream.Close();
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}
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if (ZipFile != null)
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{
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ZipFile.Close();
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ZipFile = null;
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}
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GC.Collect();
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GC.Collect(1);
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}
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return res;
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}
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#endregion
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/// <summary>
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/// 压缩
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/// </summary>
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/// <param name="FileToZip">待压缩的文件目录</param>
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/// <param name="ZipedFile">生成的目标文件</param>
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/// <param name="level">6</param>
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public static bool Zip(String FileToZip, String ZipedFile, int level)
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{
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if (Directory.Exists(FileToZip))
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{
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return ZipFileDictory(FileToZip, ZipedFile, level);
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}
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else if (File.Exists(FileToZip))
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{
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return ZipFile(FileToZip, ZipedFile, level);
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}
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else
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{
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return false;
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}
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}
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/// <summary>
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/// 解压
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/// </summary>
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/// <param name="FileToUpZip">待解压的文件</param>
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/// <param name="ZipedFolder">解压目标存放目录</param>
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public static void UnZip(string FileToUpZip, string ZipedFolder)
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{
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if (!File.Exists(FileToUpZip))
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{
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return;
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}
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if (!Directory.Exists(ZipedFolder))
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{
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Directory.CreateDirectory(ZipedFolder);
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}
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ZipInputStream s = null;
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ZipEntry theEntry = null;
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string fileName;
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FileStream streamWriter = null;
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try
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{
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s = new ZipInputStream(File.OpenRead(FileToUpZip));
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while ((theEntry = s.GetNextEntry()) != null)
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{
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if (theEntry.Name != String.Empty)
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{
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fileName = Path.Combine(ZipedFolder, theEntry.Name);
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if (fileName.EndsWith("/") || fileName.EndsWith("\\"))
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{
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Directory.CreateDirectory(fileName);
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continue;
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}
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streamWriter = File.Create(fileName);
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int size = 2048;
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byte[] data = new byte[2048];
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while (true)
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{
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size = s.Read(data, 0, data.Length);
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if (size > 0)
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{
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streamWriter.Write(data, 0, size);
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}
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else
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{
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break;
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}
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}
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}
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}
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}
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finally
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{
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if (streamWriter != null)
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{
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streamWriter.Close();
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streamWriter = null;
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}
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if (theEntry != null)
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{
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theEntry = null;
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}
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if (s != null)
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{
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s.Close();
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s = null;
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}
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GC.Collect();
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GC.Collect(1);
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}
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}
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}
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}
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