C# .NET 使用第三方类库DotNetZip解压/压缩Zip文件 （ZT）

 using (ZipFile zip = new ZipFile())
 {
     // add this map file into the "images" directory in the zip archive 把这个PNG文件添加到zip档案的"images"目录下
     zip.AddFile("c:\\images\\personal\\7440-N49th.png", "images");
     // add the report into a different directory in the archive 然后把PDF文件添加到zip档案的"files"目录下，把ReadMe.txt放到根目录
     zip.AddFile("c:\\Reports\\2008-Regional-Sales-Report.pdf", "files");
     zip.AddFile("ReadMe.txt");
　　　// 把zip档案保存为MyZipFile.zip
     zip.Save("MyZipFile.zip");
 }

using (ZipFile zip = new ZipFile("MyZipFile.zip"))
{
　　zip.ExtractAll("c:\\myfolder", ExtractExistingFileAction.OverwriteSilently);
}