我们经常会遇到批量上传的问题，也会遇到将某个目录下所有文件都上传到服务器上的问题。那么，如何解决此类问题呢？以前的技术一般采用ActiveX等方式，这里我采用SharpZlib来实现，听说VS2005已有压缩和解压缩的解决方案，我还没有时间用VS2005，所以就只好使用VS2003 + SharpZlib来解决问题了。
// 1. AttachmentUnZip.cs
// ------------------------------------------
using System;
using System.IO;
using ICSharpCode.SharpZipLib.Zip;
using ICSharpCode.SharpZipLib.GZip;
using ICSharpCode.SharpZipLib.BZip2;
using ICSharpCode.SharpZipLib.Checksums;
using ICSharpCode.SharpZipLib.Zip.Compression;
using ICSharpCode.SharpZipLib.Zip.Compression.Streams;
namespace WebZipUnzip
{
public class AttachmentUnZip
{
public AttachmentUnZip()
{
}
public static void UpZip(string zipFile)
{
string FileProperties=new string;
FileProperties[0]=zipFile;//待解压的文件
FileProperties=zipFile.Substring(0,zipFile.LastIndexOf("\")+1);//解压后放置的目标目录
UnZipClass UnZc=new UnZipClass();
UnZc.UnZip(FileProperties);
}
}
}
// ---------------------------------------------
// 2. UnZipClass.cs
// ---------------------------------------------
using System;
using System.IO;
using ICSharpCode.SharpZipLib.Zip;
using ICSharpCode.SharpZipLib.GZip;
using ICSharpCode.SharpZipLib.BZip2;
using ICSharpCode.SharpZipLib.Checksums;
using ICSharpCode.SharpZipLib.Zip.Compression;
using ICSharpCode.SharpZipLib.Zip.Compression.Streams;
namespace WebZipUnzip
{
public class UnZipClass
{
/// <summary>
/// 解压文件
/// </summary>
/// <param name="args">包含要解压的文件名和要解压到的目录名数组</param>
public void UnZip(string args)
{
ZipInputStream s = new ZipInputStream(File.OpenRead(args[0]));
try
{
ZipEntry theEntry;
while ((theEntry = s.GetNextEntry()) != null)
{
string directoryName = Path.GetDirectoryName(args);
string fileName = Path.GetFileName(theEntry.Name);
//生成解压目录
Directory.CreateDirectory(directoryName);
if (fileName != String.Empty)
{
//解压文件到指定的目录
FileStream streamWriter = File.Create(args+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();
}
}
s.Close();
}
catch(Exception eu)
{
throw eu;
}
finally
{
s.Close();
}
}//end UnZip
public static bool UnZipFile(string file, string dir)
{
try
{
if (!Directory.Exists(dir))
Directory.CreateDirectory(dir);
string fileFullName =
