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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ICSharpCode.SharpZipLib.Zip;
using System.IO;
using ICSharpCode.SharpZipLib.Checksums;
namespace 安装界面
{
public class ZipClass
{
///
/// 递归压缩文件夹方法
///
///
///
///
private static bool ZipFileDictory(string FolderToZip, ZipOutputStream s, string ParentFolderName)
{
bool res = true;
string[] folders, filenames;
ZipEntry entry = null;
FileStream fs = null;
Crc32 crc = new Crc32();
try
{
//创建当前文件夹
entry = new ZipEntry(Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip) + "/")); //加上 “/” 才会当成是文件夹创建
s.PutNextEntry(entry);
s.Flush();
//先压缩文件，再递归压缩文件夹
filenames = Directory.GetFiles(FolderToZip);
foreach (string file in filenames)
{
//打开压缩文件
fs = File.OpenRead(file);
byte[] buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
entry = new ZipEntry(Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip) + "/" + Path.GetFileName(file)));
entry.DateTime = DateTime.Now;
entry.Size = fs.Length;
fs.Close();
crc.Reset();
crc.Update(buffer);
entry.Crc = crc.Value;
s.PutNextEntry(entry);
s.Write(buffer, 0, buffer.Length);
}
}
catch
{
res = false;
}
finally
{
if (fs != null)
{
fs.Close();
fs = null;
}
if (entry != null)
{
entry = null;
}
GC.Collect();
GC.Collect(1);
}
folders = Directory.GetDirectories(FolderToZip);
foreach (string folder in folders)
{
if (!ZipFileDictory(folder, s, Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip))))
{
return false;
}
}
return res;
}
///
/// 压缩目录
///
/// 待压缩的文件夹，全路径格式
/// 压缩后的文件名，全路径格式
///
private static bool ZipFileDictory(string FolderToZip, string ZipedFile, String Password)
{
bool res;
if (!Directory.Exists(FolderToZip))
{
return false;
}
ZipOutputStream s = new ZipOutputStream(File.Create(ZipedFile));
s.SetLevel(6);
s.Password = Password;
res = ZipFileDictory(FolderToZip, s, "");
s.Finish();
s.Close();
return res;
}
///
/// 压缩文件
///
/// 要进行压缩的文件名
/// 压缩后生成的压缩文件名
///
private static bool ZipFile(string FileToZip, string ZipedFile, String Password)
{ //www.111Cn.net
//如果文件没有找到，则报错
if (!File.Exists(FileToZip))
{
throw new System.IO.FileNotFoundException("指定要压缩的文件: " + FileToZip + " 不存在!");
}
//FileStream fs = null;
FileStream ZipFile = null;
ZipOutputStream ZipStream = null;
ZipEntry ZipEntry = null;
bool res = true;
try
{
ZipFile = File.OpenRead(FileToZip);
byte[] buffer = new byte[ZipFile.Length];
ZipFile.Read(buffer, 0, buffer.Length);
ZipFile.Close();
ZipFile = File.Create(ZipedFile);
ZipStream = new ZipOutputStream(ZipFile);
ZipStream.Password = Password;
ZipEntry = new ZipEntry(Path.GetFileName(FileToZip));
ZipStream.PutNextEntry(ZipEntry);
ZipStream.SetLevel(6);
ZipStream.Write(buffer, 0, buffer.Length);
}
catch
{
res = false;
}
finally
{
if (ZipEntry != null)
{
ZipEntry = null;
}
if (ZipStream != null)
{
ZipStream.Finish();
ZipStream.Close();
}
if (ZipFile != null)
{
ZipFile.Close();
ZipFile = null;
}
GC.Collect();
GC.Collect(1);
}
return res;
}
///
/// 压缩文件 和 文件夹
///
/// 待压缩的文件或文件夹，全路径格式
/// 压缩后生成的压缩文件名，全路径格式
///
public static bool Zip(String FileToZip, String ZipedFile, String Password)
{
if (Directory.Exists(FileToZip))
{
return ZipFileDictory(FileToZip, ZipedFile, Password);
}
else if (File.Exists(FileToZip))
{
return ZipFile(FileToZip, ZipedFile, Password);
}
else
{
return false;
}
}
}
}
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