SharpZipLib 解压压缩包 中文名乱码解决办法

 static ZipHelper()
 {
     Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
     var gbk = Encoding.GetEncoding("GBK");
     ICSharpCode.SharpZipLib.Zip.ZipStrings.CodePage = gbk.CodePage;
 }