知识大全 asp.net实现文件夹及文件压缩，并实现下载

Posted 2022-07-17 知

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　　步骤

　　）先引用 ICSharpCode SharpZipLib dll

　　） cs文件引入

　　using System IO; using System Text;

　　using ICSharpCode SharpZipLib Checksums; using ICSharpCode SharpZipLib Zip; using ICSharpCode SharpZipLib GZip;

　　）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 buffer Length); string strEntryName = item FullName Replace(strBaseDir ""); ZipEntry entry = new ZipEntry(strEntryName); zos PutNextEntry(entry); zos Write(buffer buffer Length); fs Close();

　　PRotected void Button _Click(object sender EventArgs e) string userPath ="D:华海实训（qqview ）各级账号和密码"; dlZipDir(userPath "华海实训（qqview ）服务账号");

　　#endregion

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