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asp.net实现文件夹及文件压缩,并实现下载
来源:互联网   发布日期:2016-01-27 15:28:53   浏览:3059次  

导读:步骤1)先引用 ICSharpCode SharpZipLib dll;2) cs文件引入using System IO;using System Text;using ICSharpCode SharpZipLib Checksums;using ICSharpCode SharpZipLib Zip;using ICSharpCode SharpZi ...

步骤

1)先引用 ICSharpCode.SharpZipLib.dll;

2).cs文件引入

using System.IO;

using System.Text;

using ICSharpCode.SharpZipLib.Checksums;

using ICSharpCode.SharpZipLib.Zip;

using ICSharpCode.SharpZipLib.GZip;

3)代码

#region 下列代码为压缩并下载代码

ZipOutputStream zos = null;

String strBaseDir = "";

void dlZipDir(string strPath, string strFileName)

{

MemoryStream ms = null;

Response.ContentType = "application/octet-stream";

strFileName = HttpUtility.UrlEncode(strFileName).Replace('+', ' ');

Response.AddHeader("Content-Disposition", "attachment;filename=" + strFileName + ".zip");

ms = new MemoryStream();

zos = new ZipOutputStream(ms);

strBaseDir = strPath + "";

addZipEntry(strBaseDir);

zos.Finish();

zos.Close();

Response.Clear();

Response.BinaryWrite(ms.ToArray());

Response.End();

}

void addZipEntry(string PathStr)

{

DirectoryInfo di = new DirectoryInfo(PathStr);

foreach (DirectoryInfo item in di.GetDirectories())

{

addZipEntry(item.FullName);

}

foreach (FileInfo item in di.GetFiles())

{

FileStream fs = File.OpenRead(item.FullName);

byte[] buffer = new byte[fs.Length];

fs.Read(buffer, 0, buffer.Length);

string strEntryName = item.FullName.Replace(strBaseDir, "");

ZipEntry entry = new ZipEntry(strEntryName);

zos.PutNextEntry(entry);

zos.Write(buffer, 0, buffer.Length);

fs.Close();

}

}

PRotected void Button2_Click(object sender, EventArgs e)

{

string userPath ="D:华海实训(qqview.com)各级账号和密码";

dlZipDir(userPath, "华海实训(qqview.com)服务账号");

}

#endregion

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