using ICSharpCode.SharpZipLib.Zip;
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace NEEA.CET.Common
{
public class ZipManager
{
#region 压缩
///
/// 压缩文件,默认目录为当前目录,文件名为当前目录名,压缩级别为6
///
/// 要压缩的文件或文件夹
public void Zip(params string[] fileOrDirectory)
{
Zip(6, fileOrDirectory);
}
///
/// 压缩文件,默认目录为当前目录,文件名为当前目录名
///
/// 压缩的级别
/// 要压缩的文件或文件夹
public void Zip(int zipLevel, params string[] fileOrDirectory)
{
if (fileOrDirectory == null)
return;
else if (fileOrDirectory.Length < 1)
return;
else
{
string str = fileOrDirectory[0];
if (str.EndsWith("\"))
str = str.Substring(0, str.Length - 1);
str += ".zip";
Zip(str, zipLevel, fileOrDirectory);
}
}
///
/// 压缩文件,默认目录为当前目录
///
/// 压缩后的文件
/// 压缩的级别
/// 要压缩的文件或文件夹
public void ZipUsePassword(string zipedFileName, int zipLevel, string passWord, params string[] fileOrDirectory)
{
if (fileOrDirectory == null)
return;
else if (fileOrDirectory.Length < 1)
return;
else
{
string str = fileOrDirectory[0];
if (str.EndsWith("\"))
str = str.Substring(0, str.Length - 1);
str = str.Substring(0, str.LastIndexOf("\"));
Zip(zipedFileName, str, zipLevel, passWord, fileOrDirectory);
}
}
public void Zip(string zipedFileName, string currentDirectory, int zipLevel, string passWord, params string[] fileOrDirectory)
{
ArrayList AllFiles = new ArrayList();
//获取所有文件
if (fileOrDirectory != null)
{
for (int i = 0; i < fileOrDirectory.Length; i++)
{
if (File.Exists(fileOrDirectory[i]))
AllFiles.Add(fileOrDirectory[i]);
else if (Directory.Exists(fileOrDirectory[i]))
GetDirectoryFile(fileOrDirectory[i], AllFiles);
}
}
if (AllFiles.Count < 1)
return;
ZipOutputStream zipedStream = new ZipOutputStream(File.Create(zipedFileName));
zipedStream.SetLevel(zipLevel);
if (!string.IsNullOrEmpty(passWord))
{
zipedStream.Password = passWord;
}
for (int i = 0; i < AllFiles.Count; i++)
{
string file = AllFiles[i].ToString();
FileStream fs;
//打开要压缩的文件
//try
//{
fs = File.OpenRead(file);
//}
//catch
//{
// continue;
//}
try
{
byte[] buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
//新建一个entry
string fileName = file.Replace(currentDirectory, "");
if (fileName.StartsWith("\"))
fileName = fileName.Substring(1);
ZipEntry entry = new ZipEntry(fileName.Replace(@"", @"/"));
entry.DateTime = DateTime.Now;
//保存到zip流
fs.Close();
zipedStream.PutNextEntry(entry);
zipedStream.Write(buffer, 0, buffer.Length);
}
//catch
//{
//}
finally
{
fs.Close();
fs.Dispose();
}
}
zipedStream.Finish();
zipedStream.Close();
}
///
/// 压缩文件,默认目录为当前目录
///
/// 压缩后的文件
/// 压缩的级别
/// 要压缩的文件或文件夹
public void Zip(string zipedFileName, int zipLevel, params string[] fileOrDirectory)
{
if (fileOrDirectory == null)
return;
else if (fileOrDirectory.Length < 1)
return;
else
{
string str = fileOrDirectory[0];
if (str.EndsWith("\"))
str = str.Substring(0, str.Length - 1);
str = str.Substring(0, str.LastIndexOf("\"));
Zip(zipedFileName, str, zipLevel, fileOrDirectory);
}
}
///
/// 压缩文件
///
/// 压缩后的文件
/// 压缩的级别
/// 当前所处目录
/// 要压缩的文件或文件夹
public void Zip(string zipedFileName, string currentDirectory, int zipLevel, params string[] fileOrDirectory)
{
ArrayList AllFiles = new ArrayList();
//获取所有文件
if (fileOrDirectory != null)
{
for (int i = 0; i < fileOrDirectory.Length; i++)
{
if (File.Exists(fileOrDirectory[i]))
AllFiles.Add(fileOrDirectory[i]);
else if (Directory.Exists(fileOrDirectory[i]))
GetDirectoryFile(fileOrDirectory[i], AllFiles);
}
}
if (AllFiles.Count < 1)
return;
ZipOutputStream zipedStream = new ZipOutputStream(File.Create(zipedFileName));
zipedStream.SetLevel(zipLevel);
for (int i = 0; i < AllFiles.Count; i++)
{
string file = AllFiles[i].ToString();
FileStream fs;
//打开要压缩的文件
//try
//{
fs = File.OpenRead(file);
//}
//catch
//{
// continue;
//}
try
{
byte[] buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
//新建一个entry
string fileName = file.Replace(currentDirectory, "");
if (fileName.StartsWith("\"))
fileName = fileName.Substring(1);
ZipEntry entry = new ZipEntry(fileName.Replace(@"", @"/"));
entry.DateTime = DateTime.Now;
//保存到zip流
fs.Close();
zipedStream.PutNextEntry(entry);
zipedStream.Write(buffer, 0, buffer.Length);
}
//catch
//{
//}
finally
{
fs.Close();
fs.Dispose();
}
}
zipedStream.Finish();
zipedStream.Close();
}
///
/// 压缩文件夹
///
/// 当前所在的文件夹
public void ZipDirectory(string curretnDirectory)
{
if (curretnDirectory == null)
return;
string dir = curretnDirectory;
if (dir.EndsWith("\"))
dir = dir.Substring(0, dir.Length - 1);
string file = dir.Substring(dir.LastIndexOf("\") + 1) + ".zip";
dir += "\" + file;
Zip(dir, 6, curretnDirectory);
}
///
/// 压缩文件夹
///
/// 当前所在的文件夹
public void ZipDirectory(string curretnDirectory, int zipLevel)
{
if (curretnDirectory == null)
return;
string dir = curretnDirectory;
if (dir.EndsWith("\"))
dir = dir.Substring(0, dir.Length - 1);
dir += ".zip";
Zip(dir, zipLevel, curretnDirectory);
}
//递归获取一个目录下的所有文件
private void GetDirectoryFile(string parentDirectory, ArrayList toStore)
{
string[] files = Directory.GetFiles(parentDirectory);
for (int i = 0; i < files.Length; i++)
toStore.Add(files[i]);
string[] directorys = Directory.GetDirectories(parentDirectory);
for (int i = 0; i < directorys.Length; i++)
GetDirectoryFile(directorys[i], toStore);
}
//计算文件大小
public static string CountSize(long Size)
{
string m_strSize = "";
long FactSize = 0;
FactSize = Size;
if (FactSize < 1024.00)
m_strSize = FactSize.ToString("F2") + " Byte";
else if (FactSize >= 1024.00 && FactSize < 1048576)
m_strSize = (FactSize / 1024.00).ToString("F2") + " K";
else if (FactSize >= 1048576 && FactSize < 1073741824)
m_strSize = (FactSize / 1024.00 / 1024.00).ToString("F2") + " M";
else if (FactSize >= 1073741824)
m_strSize = (FactSize / 1024.00 / 1024.00 / 1024.00).ToString("F2") + " G";
return m_strSize;
}
#endregion
#region 解压
/// <summary>
/// 解压文件
/// </summary>
/// <param name="ZipPath">被解压的文件路径</param>
/// <param name="Path">解压后文件的路径</param>
public void UnZip(string ZipPath, string Path)
{
ZipInputStream s = new ZipInputStream(File.OpenRead(ZipPath));
ZipEntry theEntry;
try
{
while ((theEntry = s.GetNextEntry()) != null)
{
string fileName = System.IO.Path.GetFileName(theEntry.Name);
//生成解压目录
string folderName = System.IO.Path.GetDirectoryName(theEntry.Name);
if (!Directory.Exists(Path + folderName))
{
Directory.CreateDirectory(Path + folderName);
}
if (!string.IsNullOrEmpty(fileName))
{
//解压文件
FileStream streamWriter = File.Create(Path + theEntry);
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
{
streamWriter.Close();
streamWriter.Dispose();
break;
}
}
streamWriter.Close();
streamWriter.Dispose();
}
}
}
catch (Exception ex)
{
ex._Log();
throw;
}
finally
{
s.Close();
s.Dispose();
}
}
#endregion
}
}