public CUnzipFile(string direc, string fileName, long unzipSize)
{
m_direc = direc;
m_fileName = fileName;
m_unzipState = EnumUnzipStatus.EUS_NONE;
m_rate = 0;
m_cancell = false;
m_totalSize = unzipSize;
}
public void BeginUnzip()
{
m_cancell = false;
m_unzipState = EnumUnzipStatus.EUS_NONE;
try
{
if (!File.Exists(m_fileName))
{
m_unzipState = EnumUnzipStatus.EUS_FileNotFound;
return;
}
//这里不需要先读一遍了 这个size 取自CDownloadFile中下载下来的长度
//FileStream tempMemory = new FileStream(m_fileName, FileMode.Open);
//ZipInputStream zipS = new ZipInputStream(tempMemory);
// m_totalSize = 0;
//ZipEntry zipItem = zipS.GetNextEntry();
//while(zipItem != null)
//{
// m_totalSize += zipItem.Size;
// zipItem = zipS.GetNextEntry();
//}
//zipS.Close();
//tempMemory.Close();
FileStream tempMemory = new FileStream(m_fileName, FileMode.Open);
ZipInputStream zipS = new ZipInputStream(tempMemory);
ZipEntry zipItem = zipS.GetNextEntry();
int unzipSize = 0;
while (zipItem != null && !m_cancell)
{
byte[] temp = new byte[1024 * 1024];
int len = 0;
DirectoryInfo dir = new DirectoryInfo(m_direc);
if (!dir.Exists)
{
dir.Create();
}
//现在分目录了 新加创建目录
int findIndex = zipItem.Name.LastIndexOf("/");
if (findIndex != -1)
{
string newDirName = m_direc + "/" + zipItem.Name.Substring(0, findIndex);
dir = new DirectoryInfo(newDirName);
if (!dir.Exists)
{
dir.Create();
}
}
if (zipItem.IsFile)
{
FileStream save = new FileStream(m_direc + "/" + zipItem.Name, FileMode.Create);
while ((len = zipS.Read(temp, 0, temp.Length)) > 0 && !m_cancell)
{
save.Write(temp, 0, len);
unzipSize += len;
m_rate = unzipSize * 1f / m_totalSize;
if (m_rate >= 1)
{
m_rate = 1;
}
}
;
m_unpackFileList.Add(m_direc + "/" + zipItem.Name);
save.Flush();
save.Close();
}
else if (zipItem.IsDirectory)
{
DirectoryInfo childdir = new DirectoryInfo(m_direc + "/" + zipItem.Name);
if (!childdir.Exists)
{
childdir.Create();
}
}
zipItem = zipS.GetNextEntry();
}
zipS.Close();
tempMemory.Close();
if (m_cancell)
{
m_unzipState = EnumUnzipStatus.EUS_CANCELL;
}
else
{
m_unzipState = EnumUnzipStatus.EUS_SUCCESS;
File.Delete(m_fileName);
}
}
catch (Exception e)
{
Debug.LogError("unzip save file:" + e.ToString());
m_unzipState = EnumUnzipStatus.EUS_ERROR;
}
}
