/// <summary>
/// 向包流中追加目录
/// </summary>
/// <param name="tar">zip流</param>
/// <param name="dir">目录名</param>
/// <param name="path_len">根目录长度</param>
/// <param name="fcp">进度事件</param>
public static void AddDirectory(this TarOutputStream tar, string dir, int path_len, FileCompressProgress fcp = null)
{
if (Directory.Exists(dir))
{
var head = new TarHeader();
head.Name = dir.Substring(path_len) + (Path.DirectorySeparatorChar == dir.Last() ? Char.MinValue : Path.DirectorySeparatorChar);
head.ModTime = new DirectoryInfo(dir).LastWriteTimeUtc;//设置添加时间
tar.PutNextEntry(new TarEntry(head));
tar.CloseEntry();
foreach (var item in Directory.GetFiles(dir))
{
tar.AddFile(item, path_len, fcp); //添加文件
}
foreach (var item in Directory.GetDirectories(dir))
{
tar.AddDirectory(item, path_len, fcp); //添加子目录
}
}
}
/// <summary>
/// 打包Tar文件
/// </summary>
/// <param name="names">要打包的目录或文件</param>
/// <param name="outname">输出文件名</param>
/// <param name="encod"></param>
/// <param name="fcp"></param>
public static void TarCompress(List <string> names, string outname, Encoding encod, FileCompressProgress fcp = null)
{
outname = outname + ".tar"; //拼接输出文件名
using (var zip = new TarOutputStream(File.Create(outname), encod)) //创建输出流
{
foreach (var item in names) //遍历
{
var path = Path.GetDirectoryName(item); //获取文件/目录所在目录
var path_len = null == path ? 2 : path.Length; //设置添加路径起始字符，如果为根目录则为2
if (File.Exists(item))
{
zip.AddFile(item, path_len, fcp);//添加文件
}
else if (Directory.Exists(item))
{
zip.AddDirectory(item, path_len, fcp);//添加目录
}
}
zip.Flush();
}
}