C#生成ZIP压缩包

using System;
using System.Collections.Generic;
using System.Text;

using ICSharpCode.SharpZipLib;
using ICSharpCode.SharpZipLib.Checksums;
using ICSharpCode.SharpZipLib.Zip;
using System.IO;
using log4net;
using log4net.Config;

namespace Test.BLL
{
public class TestZipFile
{
protected static readonly ILog logger = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);

///<summary>
/// 创建ZIP文件
///</summary>
public void CreateZipFile(string[] files, string sTempFile, string sPassWord)
{
try
{
using (ZipOutputStream s = new ZipOutputStream(File.Create(sTempFile)))
{
s.SetLevel(9); // 压缩级别 0-9
if (sPassWord != "")
{
s.Password = sPassWord; //Zip压缩文件密码
}

byte[] buffer = new byte[4096]; //缓冲区大小

foreach (string file in files)
{
if (!string.IsNullOrEmpty(file))
{
if (File.Exists(file))
{
ZipEntry entry = new ZipEntry(Path.GetFileName(file));
entry.DateTime = DateTime.Now;
s.PutNextEntry(entry);

using (FileStream fs = File.OpenRead(file))
{
int sourceBytes;
do
{
sourceBytes = fs.Read(buffer, 0, buffer.Length);
s.Write(buffer, 0, sourceBytes);
} while (sourceBytes > 0);
}
}
else
{
logger.Error("文件：" + file + "不存在。");
}
}
}

s.Finish();
s.Close();
}
}
catch (Exception ex)
{
logger.Error("压缩文件时异常！");
logger.Error("异常描述：\t" + ex.Message);
logger.Error("异常方法：\t" + ex.TargetSite);
logger.Error("异常堆栈：\t" + ex.StackTrace);
}
}

/// <summary>
///
/// </summary>
/// <param name="files">放入ZIP的文件路劲(含文件名)</param>
/// <param name="sTempFile">创建的ZIP文件路劲(含文件名)</param>
/// <param name="sPassWord">ZIP文件密码</param>
/// <param name="folderNames">存放到ZIP中的文件夹名，空代表放在顶级目录</param>
public void CreateZipFileMutilFolder(string[] files, string sTempFile, string sPassWord, string[] folderNames)
{
try
{
using (ZipOutputStream s = new ZipOutputStream(File.Create(sTempFile)))
{
s.SetLevel(9); // 压缩级别 0-9
if (sPassWord != "")
{
s.Password = sPassWord; //Zip压缩文件密码
}

byte[] buffer = new byte[4096]; //缓冲区大小

int i = 0;
foreach (string file in files)
{
if (!string.IsNullOrEmpty(file))
{
if (File.Exists(file))
{
ZipEntry entry = new ZipEntry((string.IsNullOrEmpty(folderNames[i]) ? "" : (folderNames[i] + "\\")) + Path.GetFileName(file));
entry.DateTime = DateTime.Now;
s.PutNextEntry(entry);

using (FileStream fs = File.OpenRead(file))
{
int sourceBytes;
do
{
sourceBytes = fs.Read(buffer, 0, buffer.Length);
s.Write(buffer, 0, sourceBytes);
} while (sourceBytes > 0);
}
}
else
{
logger.Error("文件：" + file + "不存在。");
}
}

i++;
}

s.Finish();
s.Close();
}
}
catch (Exception ex)
{
logger.Error("压缩文件时异常！");
logger.Error("异常描述：\t" + ex.Message);
logger.Error("异常方法：\t" + ex.TargetSite);
logger.Error("异常堆栈：\t" + ex.StackTrace);
}
}
}
}

/// <summary>
/// Remove invalid characters which are not allowed in the file name
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
public string RemoveFileNameInvalidChar(string fileName)
{
if (string.IsNullOrEmpty(fileName))

return fileName;

string invalidChars = new string(Path.GetInvalidFileNameChars());

string invalidReStr = string.Format("[{0}]", Regex.Escape(invalidChars));

return Regex.Replace(fileName, invalidReStr, "");

}

/// <summary>
/// Remove invalid characters which are not allowed in the path names
/// </summary>
/// <param name="filePath"></param>
/// <returns></returns>
public string RemovePathInvalidChar(string filePath)
{

if (string.IsNullOrEmpty(filePath))

return filePath;

string invalidChars = new string(Path.GetInvalidPathChars());

string invalidReStr = string.Format("[{0}]", Regex.Escape(invalidChars));

return Regex.Replace(filePath, invalidReStr, "");

}