C#中怎么将文件夹或文件打包下载

[a4562834]

我想实现一个下载功能，包含文件夹或文件(jpg、txt格式之类的)，请问怎么将他们打包下载啊？


先谢谢了！

[xixihaha_2011_098]

用winrar或者winzip 命令行。打包，然后通过地址就可以下载吧

[sugarbelle]

服务器端要支持压缩包功能...
你搜zip 命令压缩..或者rar压缩..很简单的,就和ping 网址一样.

[极地_雪狼]

调用winrar或zip的api接口

[a4562834]

具体的给点代码吧，谢谢了！

[ljjhw320]

你先进行打包了，再进行下载就可以啊！

[zjq8888882009]

百度搜，压缩，解压类，一搜一大堆。

[weike021996]

gogogo

[小驴来这里学习]

mark

[viki117]

关键看服务段,ZIP网上大把类库..

[AK47]

good good study,day day up!

[小阳]

[Quote=引用 7 楼 weike021996 的回复:]
gogogo
[/Quote]
这个好像还不错！

[a4550718]

/// <summary>
/// 文件夹打包方法
/// </summary>
/// <param name="strPath"></param>
/// <param name="strFileName"></param>
protected 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);
string strBaseDir = Request.PhysicalApplicationPath + strPath;
addZipEntry(strBaseDir);

zos.Finish();
zos.Close();
Response.Clear();
Response.BinaryWrite(ms.ToArray());
Response.End();
}

/// <summary>
/// 文件夹打包方法
/// </summary>
/// <param name="PathStr"></param>
protected 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(PathStr, "");
string fileName = strEntryName.Substring(strEntryName.LastIndexOf("\\") + 1);
ZipEntry entry = new ZipEntry(fileName);
zos.PutNextEntry(entry);
zos.Write(buffer, 0, buffer.Length);
fs.Close();
}
}

[a4550718]

/// <summary>
/// 文件夹打包方法
/// </summary>
/// <param name="strPath"></param>
/// <param name="strFileName"></param>
protected 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);
string strBaseDir = Request.PhysicalApplicationPath + strPath;
addZipEntry(strBaseDir);

zos.Finish();
zos.Close();
Response.Clear();
Response.BinaryWrite(ms.ToArray());
Response.End();
}

/// <summary>
/// 文件夹打包方法
/// </summary>
/// <param name="PathStr"></param>
protected 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(PathStr, "");
string fileName = strEntryName.Substring(strEntryName.LastIndexOf("\\") + 1);
ZipEntry entry = new ZipEntry(fileName);
zos.PutNextEntry(entry);
zos.Write(buffer, 0, buffer.Length);
fs.Close();
}
}