using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.Win32;
using System.Diagnostics;
using System.IO;
using ICSharpCode.SharpZipLib.Zip;
using SwireBev.Mobile.Utility;
namespace MobileTest
{
public class ZipUtility
{
public delegate void ThreadStop(int zipType, int fileIndex, string status, string title); //线程操作完成
public event ThreadStop threadStop;
/// <summary>
/// 写入ZIP
/// </summary>
/// <param name="zos"></param>
/// <param name="topDirName"></param>
/// <param name="pathStr"></param>
/// <param name="index"></param>
/// <param name="absolute"></param>
private void addZipWrite(ZipOutputStream zos, string topDirName, string pathStr, int index, string absolute)
{
string strEntryName = pathStr;
if (!topDirName.Equals(""))
{
strEntryName = pathStr.Replace(topDirName, "");
}
try
{
FileStream fs = File.OpenRead(pathStr);
byte[] buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
ZipEntry entry = new ZipEntry(Path.GetFileName(strEntryName));
if (absolute.Equals("0"))
{
entry = new ZipEntry(strEntryName);
}
zos.PutNextEntry(entry);
zos.Write(buffer, 0, buffer.Length);
fs.Close();
threadStop(0, index, "OK", Path.GetFileName(strEntryName));
}
catch
{
threadStop(0, index, "Error", Path.GetFileName(strEntryName));
}
}
/// <summary>
/// 回调
/// </summary>
/// <param name="zos"></param>
/// <param name="topDirName"></param>
/// <param name="pathStr"></param>
/// <param name="absolute"></param>
private void addZipEntry(ZipOutputStream zos, string topDirName, string pathStr, string absolute)
{
if (!Path.GetFileName(pathStr).Equals(""))
{
addZipWrite(zos, topDirName, pathStr, 0, absolute);
}
else
{
DirectoryInfo di = new DirectoryInfo(pathStr);
foreach (DirectoryInfo item in di.GetDirectories())
{
addZipEntry(zos, topDirName, item.FullName, absolute);
}
int index = 0;
foreach (FileInfo item in di.GetFiles())
{
addZipWrite(zos, topDirName, item.FullName, index++, absolute);
}
}
}
/// <summary>
/// 压缩指定文件生成ZIP文件
/// </summary>
/// <param name="topDirName">顶层文件夹名称</param>
/// <param name="fileNamesToZip">待压缩文件列表</param>
/// <param name="ZipedFileName">ZIP文件</param>
/// <param name="CompressionLevel">压缩比</param>
/// <param name="password">密码</param>
/// <param name="comment">压缩文件注释文字</param>
public void ZipFile
(
string topDirName, //顶层文件夹名称 \Storage Card\PDADataExchange\send\xml\
string[][] fileNamesToZip, //待压缩文件列表 new string[2]{"version.xml","0") 0 相对 包含文件夹 1 绝对 不包含文件夹
string zipFileName, //ZIP文件 \Storage Card\PDADataExchange\send\zip\version.zip
int CompressionLevel, //压缩比 7
string password, //密码 ""
string comment //压缩文件注释文字 ""
)
{
ZipOutputStream zos = new ZipOutputStream(System.IO.File.Open(zipFileName, FileMode.Create));
if (password != null && password.Length > 0)
zos.Password = password;
if (comment != null && comment.Length > 0)
zos.SetComment(comment);
zos.SetLevel(CompressionLevel); // 0 - means store only to 9 - means best compression
if (fileNamesToZip.Length > 0)
{
foreach (string[] file in fileNamesToZip)
{
string filePath = topDirName + file[0];
addZipEntry(zos, topDirName, filePath, file[1]);
}
}
else
{
string filePath = topDirName;
addZipEntry(zos, topDirName, filePath, "0");
}
zos.Finish();
zos.Close();
}
/// <summary>
/// 解压缩ZIP文件到指定文件夹
/// </summary>
/// <param name="zipfileName">ZIP文件</param>
/// <param name="UnZipDir">解压文件夹</param>
/// <param name="password">压缩文件密码</param>
public void UnZipFile(string zipFileName, string UnZipDir, string password)
{
ZipInputStream s = new ZipInputStream(File.OpenRead(zipFileName));
if (password != null && password.Length > 0)
s.Password = password;
try
{
ZipEntry theEntry;
int index = 0;
while ((theEntry = s.GetNextEntry()) != null)
{
string directoryName = Path.GetDirectoryName(UnZipDir);
string pathname = Path.GetDirectoryName(theEntry.Name);
string fileName = Path.GetFileName(theEntry.Name);
string file = "";
try
{
//生成解压目录
pathname = pathname.Replace(":", "$");//处理压缩时带有盘符的问题
directoryName = directoryName + "\\" + pathname;
Directory.CreateDirectory(directoryName);
file = directoryName + "\\" + fileName;
if (fileName != String.Empty)
{
//解压文件到指定的目录
FileStream streamWriter = File.Create(directoryName + "\\" + fileName);
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();
}
if (File.Exists(file))
{
if (threadStop != null)
{
if (threadStop != null)
{
if (!Path.GetFileName(zipFileName).Equals(Path.GetFileName(file)))
{
threadStop(1, index++, "OK", Path.GetFileName(file));
}
}
}
}
}
catch
{
if (File.Exists(file))
{
if (threadStop != null)
{
if (threadStop != null)
{
if (!Path.GetFileName(zipFileName).Equals(Path.GetFileName(file)))
{
threadStop(1, index++, "Error", Path.GetFileName(file));
}
}
}
}
}
}
s.Close();
}
catch (Exception eu)
{
throw eu;
}
finally
{
s.Close();
}
}
}
}
