ZIP Helper代码,CSharp代码库,德仔网

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代码分类
【CSharp】 ZIP Helper
作者:Dezai.CN / 发布于2013/6/12/ 761

	#region ===压缩文件===
	 /// <summary>压缩文件</summary>
	 /// <param name="filename">filename生成的文件的名称，如：C\123\123.zip</param>
	 /// <param name="directory">directory要压缩的文件夹路径</param>
	 /// <returns></returns>
	 public static bool PackFiles(string filename, string directory)
	 {
	 try
	 {

	 directory = directory.Replace("/", "\\");

	 if (!directory.EndsWith("\\"))
	 directory += "\\";
	 if (!Directory.Exists(directory))
	 {
	 Directory.CreateDirectory(directory);
	 }
	 if (File.Exists(filename))
	 {
	 File.Delete(filename);
	 }
	 //FileStream ins = File.OpenRead("1.jpg");
	 //FileStream outs = File.Create("test.zip");

	 //ICSharpCode.SharpZipLib.Zip.ZipFile pp = new ZipFile(outs);

	 //FastZip fz = new FastZip();
	 //fz.CreateEmptyDirectories = true;
	 //fz.CreateZip(filename, directory, true, "");
	 return true;
	 }
	 catch (Exception)
	 {
	 return false;
	 }
	 }
	 #endregion

	 #region ===解压文件===
	 /// <summary>解压文件</summary>
	 /// <param name="file">压缩文件的名称，如：C:\123\123.zip</param>
	 /// <param name="dir">dir要解压的文件夹路径</param>
	 /// <returns></returns>
	 public static bool UnpackFiles(string file, string dir)
	 {
	 try
	 {
	 if (!File.Exists(file))
	 return false;

	 dir = dir.Replace("/", "\\");
	 if (!dir.EndsWith("\\"))
	 dir += "\\";

	 if (!Directory.Exists(dir))
	 Directory.CreateDirectory(dir);

	 ZipInputStream s = new ZipInputStream(File.OpenRead(file));
	 ZipEntry theEntry;
	 while ((theEntry = s.GetNextEntry()) != null)
	 {

	 string directoryName = Path.GetDirectoryName(theEntry.Name);
	 string fileName = Path.GetFileName(theEntry.Name);

	 if (directoryName != String.Empty)
	 Directory.CreateDirectory(dir + directoryName);

	 if (fileName != String.Empty)
	 {
	 FileStream streamWriter = File.Create(dir + theEntry.Name);

	 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();
	 return true;
	 }
	 catch (Exception)
	 {
	 return false;
	 }
	 }
	 #endregion
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　ZIP压缩　
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