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【Asp.Net】 asp.net 生成zip包让ios解析
作者:dezai / 发布于2014/5/22/ 442

	需要引用2个dll
	using System.IO;
	using ICSharpCode.SharpZipLib.Zip;
	
	protected void Page_Load(object sender, EventArgs e)
	 {
	 string strZipPath = @"D:\Desktop\user.zip";
	 string strZipTopDirectoryPath = @"D:\Desktop\内在之花6\";
	 int intZipLevel = 6;
	 string strPassword = "";
	 string[] filesOrDirectoriesPaths = new string[] { @"D:\Desktop\内在之花6\" };
	 Zip(strZipPath, strZipTopDirectoryPath, intZipLevel, strPassword, filesOrDirectoriesPaths);
	 }

	 ///
	 /// 生成压缩文件
	 ///
	 /// 生成的zip文件的路径
	 /// 源文件的上级目录
	 /// T压缩等级
	 /// 压缩包解压密码
	 /// 源文件路径
	 ///
	 private bool Zip(string strZipPath, string strZipTopDirectoryPath, int intZipLevel, string strPassword, string[] filesOrDirectoriesPaths)
	 {
	 try
	 {
	 List AllFilesPath = new List();
	 if (filesOrDirectoriesPaths.Length > 0) // get all files path
	 {
	 for (int i = 0; i < filesOrDirectoriesPaths.Length; i++)
	 {
	 if (File.Exists(filesOrDirectoriesPaths[i]))
	 {
	 AllFilesPath.Add(filesOrDirectoriesPaths[i]);
	 }
	 else if (Directory.Exists(filesOrDirectoriesPaths[i]))
	 {
	 GetDirectoryFiles(filesOrDirectoriesPaths[i], AllFilesPath);
	 }
	 }
	 }
	 if (AllFilesPath.Count > 0)
	 {
	 ZipOutputStream zipOutputStream = new ZipOutputStream(File.Create(strZipPath));
	 zipOutputStream.SetLevel(intZipLevel);
	 zipOutputStream.Password = strPassword;
	 for (int i = 0; i < AllFilesPath.Count; i++)
	 {
	 string strFile = AllFilesPath[i].ToString();
	 try
	 {
	 if (strFile.Substring(strFile.Length - 1) == "") //folder
	 {
	 string strFileName = strFile.Replace(strZipTopDirectoryPath, "");
	 if (strFileName.StartsWith(""))
	 {
	 strFileName = strFileName.Substring(1);
	 }
	 ZipEntry entry = new ZipEntry(strFileName);
	 entry.DateTime = DateTime.Now;
	 zipOutputStream.PutNextEntry(entry);
	 }
	 else //file
	 {
	 FileStream fs = File.OpenRead(strFile);
	 byte[] buffer = new byte[fs.Length];
	 fs.Read(buffer, 0, buffer.Length);
	 string strFileName = strFile.Replace(strZipTopDirectoryPath, "");
	 if (strFileName.StartsWith(""))
	 {
	 strFileName = strFileName.Substring(0);
	 }
	 ZipEntry entry = new ZipEntry(strFileName);
	 entry.DateTime = DateTime.Now;
	 zipOutputStream.PutNextEntry(entry);
	 zipOutputStream.Write(buffer, 0, buffer.Length);
	 fs.Close();
	 fs.Dispose();
	 }
	 }
	 catch
	 {
	 continue;
	 }
	 }
	 zipOutputStream.Finish();
	 zipOutputStream.Close();
	 return true;
	 }
	 else
	 {
	 return false;
	 }
	 }
	 catch
	 {
	 return false;
	 }
	 }
	 ///
	 /// Gets the directory files.
	 ///
	 /// 源文件路径
	 /// 所有文件路径
	 private void GetDirectoryFiles(string strParentDirectoryPath, List AllFilesPath)
	 {
	 string[] files = Directory.GetFiles(strParentDirectoryPath);
	 for (int i = 0; i < files.Length; i++)
	 {
	 AllFilesPath.Add(files[i]);
	 }
	 string[] directorys = Directory.GetDirectories(strParentDirectoryPath);
	 for (int i = 0; i < directorys.Length; i++)
	 {
	 GetDirectoryFiles(directorys[i], AllFilesPath);
	 }
	 if (files.Length == 0 && directorys.Length == 0) //empty folder
	 {
	 AllFilesPath.Add(strParentDirectoryPath);
	 }
	 }
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