public static ZipResult Zip(ZipConfig cfg)
{
if (string.IsNullOrEmpty(cfg.ZipSrc))
{
return(cfg.Result.Failed("来源路径不能为空"));
}
if (string.IsNullOrEmpty(cfg.ZipSave))
{
return(cfg.Result.Failed("Zip文件保存路径不能为空"));
}
if (File.Exists(cfg.ZipSrcPath))
{
cfg.ZipType = "file";
}
else if (Directory.Exists(cfg.ZipSrcPath))
{
cfg.ZipType = "dir";
}
else
{
return(cfg.Result.Failed("需要压缩的文件或目录[" + cfg.ZipSrc + "]不存在"));
}
if (!Directory.Exists(Path.GetDirectoryName(cfg.ZipSavePath)))
{
Directory.CreateDirectory(Path.GetDirectoryName(cfg.ZipSavePath));
}
//ZipTaskList.Add(cfg);
//----------开始压缩
switch (cfg.ZipType)
{
case "file":
if (cfg.IsAsync)
{
new System.Threading.Thread(AsyncZipFile).Start(cfg);
}
else
{
ZipFile(cfg);
}
break;
case "dir":
default:
int dirsCount = 0, filesCount = 0;
FileSystemObject.GetTotalDF(cfg.ZipSrcPath, ref dirsCount, ref filesCount);
cfg.Result.P_Total = dirsCount; //只计目录数
if (cfg.IsAsync)
{
new System.Threading.Thread(AsyncZipFileDictory).Start(cfg);
}
else
{
ZipFileDictory(cfg);
}
break;
}
return(cfg.Result);
}
/// <summary>
/// 来源压缩文件,目标目录
/// </summary>
public ZipResult UnZipFiles(ZipConfig cfg)
{
try
{
if (!Directory.Exists(cfg.UnZipDirPath))
{
Directory.CreateDirectory(cfg.UnZipDirPath);
}
ZipInputStream s = new ZipInputStream(File.OpenRead(cfg.ZipSrcPath));
cfg.Result.P_Total = s.Length;
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(cfg.UnZipDirPath + directoryName);
}
if (fileName != String.Empty)
{
FileStream streamWriter = File.Create(cfg.UnZipDirPath + 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;
}
cfg.Result.P_Position = s.Position;
}
streamWriter.Close();
}
}
s.Close();
return(cfg.Result.Success());
}
catch (Exception ex)
{
return(cfg.Result.Failed(ex.Message));
}
finally
{
cfg.Result.P_Position = cfg.Result.P_Total;
}
}
// 压缩文件
private static void ZipFile(ZipConfig cfg)
{
//string FileToZip, string ZipedFile, string Password
//FileStream fs = null;
FileStream ZipFile = null;
ZipOutputStream ZipStream = null;
ZipEntry ZipEntry = null;
try
{
ZipFile = File.OpenRead(cfg.ZipSrcPath);
byte[] buffer = new byte[ZipFile.Length];
ZipFile.Read(buffer, 0, buffer.Length);
ZipFile.Close();
ZipFile = File.Create(cfg.ZipSavePath);
ZipStream = new ZipOutputStream(ZipFile);
//if (!string.IsNullOrEmpty(Password.Trim()))
// ZipStream.Password = Password.Trim();
ZipEntry = new ZipEntry(Path.GetFileName(cfg.ZipSavePath));
ZipStream.PutNextEntry(ZipEntry);
ZipStream.SetLevel(6);
ZipStream.Write(buffer, 0, buffer.Length);
cfg.Result.Success();
}
catch (Exception ex)
{
cfg.Result.Failed(ex.Message);
}
finally
{
if (ZipEntry != null)
{
ZipEntry = null;
}
if (ZipStream != null)
{
ZipStream.Finish();
ZipStream.Close();
}
if (ZipFile != null)
{
ZipFile.Close();
ZipFile = null;
}
GC.Collect();
GC.Collect(1);
}
}
//压缩目录
private static bool ZipFileDictory(ZipConfig cfg)
{
bool res = false;
try
{
ZipOutputStream s = new ZipOutputStream(File.Create(cfg.ZipSavePath));
s.SetLevel(6);
res = ZipFileDictory(cfg, cfg.ZipSrcPath, s, "");
if (res == false)
{
return(res);
}
s.Finish();
s.Close();
cfg.Result.P_Position = cfg.Result.P_Total;
cfg.Result.Success();
}
catch (Exception ex)
{
cfg.Result.Failed(ex.Message); res = false;
}
return(res);
}
/// <summary>
/// 递归压缩文件夹方法,实际的处理方法
/// </summary>
/// <param name="cfg">压缩配置</param>
/// <param name="FolderToZip">待压缩目录</param>
/// <param name="s">zip压缩文件流</param>
/// <param name="ParentFolderName">待压缩目录所处的父目录</param>
private static bool ZipFileDictory(ZipConfig cfg, string FolderToZip, ZipOutputStream s, string ParentFolderName)
{
//勾选全部备份,则包含temp目录
//if (!ContainTemp && FolderToZip.Substring(FolderToZip.Length - 5, 5).ToLower().Equals(@"\temp")) return true;
string dirPath = FolderToZip.ToLower().TrimEnd('\\') + "\\";
if (cfg.IgnoreDirs.FirstOrDefault(p => function.VToP(p).ToLower().Equals(dirPath)) != null)
{
return(true);
}
bool res = true;
string[] folders, filenames;
ZipEntry entry = null;
FileStream fs = null;
Crc32 crc = new Crc32();
try
{
//创建当前文件夹
entry = new ZipEntry(Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip) + "/")); //加上 “/” 才会当成是文件夹创建
//entry.CompressionMethod = CompressionMethod.Stored;//如果有报错match则加上此句
s.PutNextEntry(entry);
s.Flush();
//先压缩文件，再递归压缩文件夹
filenames = Directory.GetFiles(FolderToZip);
foreach (string file in filenames)
{
//如已在忽略列表,或是正在压缩的文件,则忽略
if (cfg.IgnoreFiles.FirstOrDefault(p => function.VToP(p).ToLower().Equals(file.ToLower())) != null ||
cfg.ZipSavePath.ToLower().Equals(file.ToLower()))
{
cfg.Result.P_Position++; continue;
}
//打开压缩文件
fs = File.OpenRead(file);
byte[] buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
entry = new ZipEntry(Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip) + "/" + Path.GetFileName(file)));
entry.DateTime = DateTime.Now;
entry.Size = fs.Length;
fs.Close();
crc.Reset();
crc.Update(buffer);
entry.Crc = crc.Value;
s.PutNextEntry(entry);
s.Write(buffer, 0, buffer.Length);
cfg.Result.P_Position++;
}
}
catch
{
res = false;
}
finally
{
if (fs != null)
{
fs.Close();
fs = null;
}
if (entry != null)
{
entry = null;
}
GC.Collect();
GC.Collect(1);
}
folders = Directory.GetDirectories(FolderToZip);
foreach (string folder in folders)
{
if (!ZipFileDictory(cfg, folder, s, Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip))))
{
return(false);
}
}
return(res);
}
