internal static string UnCompressFiles(string filePath, string unCompressDirName, bool isCoverOrNew)
{
filePath = filePath.Replace('/', '\\');
string dirPath = filePath.Substring(0, filePath.LastIndexOf('\\') + 1).Trim('\\'); //文件夹
string fileName = filePath.Substring(filePath.LastIndexOf('\\')).Trim('\\'); //文件名
if (!isCoverOrNew)
{
if (string.IsNullOrEmpty(unCompressDirName))
{
unCompressDirName = fileName.Substring(0, fileName.LastIndexOf('.'));
}
dirPath = ALFile.GetNewDirPath(dirPath, unCompressDirName, isCoverOrNew);
}
bool isNewDir = false;
if (!Directory.Exists(dirPath))
{
Directory.CreateDirectory(dirPath);
isNewDir = true;
}
Rar rar = new Rar();
try
{
rar.PasswordRequired += (sender, eventArgs) => { throw new Exception("不能解压设置密码的文件!"); };
rar.MissingVolume += (sender, eventArgs) => { throw new Exception("压缩文件已损坏!"); };
rar.DestinationPath = dirPath;
rar.Open(filePath, OpenMode.Extract);
while (rar.ReadHeader())
{
rar.Extract();
}
}
catch (Exception ex)
{
if (isNewDir)
{
Directory.Delete(dirPath, true);
}
throw ex;
}
finally
{
if (rar != null)
{
rar.Close();
}
}
return(dirPath);
}
internal static string UnCompressFiles(string filePath, string unCompressDirName, bool isCoverOrNew)
{
string dirPath = filePath.Substring(0, filePath.LastIndexOf('\\') + 1).Trim('\\'); //文件夹
string fileName = filePath.Substring(filePath.LastIndexOf('\\')).Trim('\\'); //文件名
if (string.IsNullOrEmpty(unCompressDirName))
{
unCompressDirName = fileName.Substring(0, fileName.LastIndexOf('.'));
}
dirPath = ALFile.GetNewDirPath(dirPath, unCompressDirName, isCoverOrNew);
bool isNewDir = false;
if (!Directory.Exists(dirPath))
{
Directory.CreateDirectory(dirPath);
isNewDir = true;
}
ZipInputStream zipInputStream = null;
FileStream fs = null;
try
{
zipInputStream = new ZipInputStream(System.IO.File.OpenRead(filePath)); //读取压缩文件，并用此文件流新建 “ZipInputStream”对象
ZipEntry zipEntry = zipInputStream.GetNextEntry(); //获取解压文件流中的项目。
while (zipInputStream.CanDecompressEntry && zipEntry != null && zipEntry.CanDecompress)
{
string zipFileName = zipEntry.Name.Replace('/', '\\');
if (zipFileName.IndexOf('\\') > -1)//有文件夹的需先创建文件夹
{
Directory.CreateDirectory(dirPath + "\\" + zipFileName.Substring(0, zipFileName.LastIndexOf('\\')));
}
if (!zipEntry.IsDirectory && zipEntry.Crc != 00000000L)
{
int i = 2048;
byte[] b = new byte[i]; //每次缓冲 2048 字节
i = zipInputStream.Read(b, 0, b.Length); //读取“ZipEntry”中的字节
fs = System.IO.File.Create(dirPath + "\\" + zipFileName); //新建文件流
while (i > 0)
{
fs.Write(b, 0, i); //将字节写入新建的文件流
i = zipInputStream.Read(b, 0, b.Length);
}
fs.Close();
fs.Dispose();
}
zipEntry = zipInputStream.GetNextEntry();
}
}
catch (Exception ex)
{
if (isNewDir)
{
Directory.Delete(dirPath, true);
}
if (ex.Message == "No password set.")
{
throw new Exception("不能解压设置密码的文件!");
}
else
{
throw ex;
}
}
finally
{
if (fs != null)
{
fs.Close();
fs.Dispose();
}
if (zipInputStream != null)
{
zipInputStream.Close();
zipInputStream.Dispose();
}
}
return(dirPath);
}
