public Stream OpenFileAsStream(string strFileName)
{
strFileName = DiskReadZip_FilePacker._getFileLegalLowerDir(strFileName);
if (string.IsNullOrEmpty(strFileName))
{
throw new ArgumentNullException(strFileName);
}
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
SharpCompress.Archive.Zip.ZipArchiveEntry findFile = null;
foreach (var v in conn.ZipTarget.Entries)
{
if (v.IsDirectory)
{
continue;
}
if (string.Compare(v.Key, strFileName, true) == 0)
{
findFile = v;
break;
}
}
if (findFile != null)
{
return(conn.GetUnCompressStream(findFile));
}
return(null);
}
public byte[] OpenFile(string strFileName)
{
strFileName = DiskReadZip_FilePacker._getFileLegalLowerDir(strFileName);
if (string.IsNullOrEmpty(strFileName))
{
throw new ArgumentNullException(strFileName);
}
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
SharpCompress.Archive.Zip.ZipArchiveEntry findFile = null;
foreach (var v in conn.ZipTarget.Entries)
{
if (v.IsDirectory)
{
continue;
}
if (string.Compare(v.Key, strFileName, true) == 0)
{
findFile = v;
break;
}
}
byte[] buf = null;
if (findFile != null)
{
using (MemoryStream ms = conn.GetUnCompressStream(findFile)) {
buf = ms.ToArray();
ms.Close();//关闭流
}
}
return(buf);
}
/// <summary>
/// 一般不使用吧,外面判断新文件名是否已经存在,不要'/'开头
/// </summary>
/// <param name="strFileName">相对目录路径名</param>
/// <param name="strNewFile">相对目录路径名</param>
public void RenameFile(string strFileName, string strNewFile)
{
strFileName = DiskReadZip_FilePacker._getFileLegalLowerDir(strFileName);
strNewFile = DiskReadZip_FilePacker._getFileLegalLowerDir(strNewFile);
if (string.IsNullOrEmpty(strFileName) || string.IsNullOrEmpty(strNewFile))
{
return; //名称不能为空
}
if (string.Compare(strFileName, strNewFile) == 0)
{
return; //没有修改
}
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
//ToDo:
conn.Open();
SharpCompress.Archive.Zip.ZipArchiveEntry findfile = null;
foreach (var ze in conn.ZipTarget.Entries)
{
if (ze.IsDirectory)
{
continue;
}
if (string.Compare(ze.Key, strFileName, true) == 0)
{
findfile = ze;
break;
}
}
if (findfile != null)
{
//外面判断新文件是否存在
MemoryStream ms = conn.GetUnCompressStream(findfile);
conn.ZipTarget.AddEntry(strNewFile, ms, true, ms.Length, findfile.LastModifiedTime);
conn.ZipTarget.RemoveEntry(findfile);
findfile.Close();
}
}
/// <summary>
/// dir要规范，不要=='/',不要'/'开头,不要带'/'结尾
/// </summary>
/// <param name="strDirName"></param>
/// <param name="strNewDirName"></param>
public void RenameDir(string strDirName, string strNewDirName)
{
strDirName = DiskReadZip_FilePacker._getFileLegalLowerDir(strDirName); // +"/";//规范化
strNewDirName = DiskReadZip_FilePacker._getFileLegalLowerDir(strNewDirName); // +"/";//规范化
if (string.IsNullOrEmpty(strDirName) || string.IsNullOrEmpty(strNewDirName))
{
return;//根目录名称不能改
}
if (string.Compare(strDirName, strNewDirName) == 0)
{
return;//没有改名
}
strDirName = strDirName + "/";
strNewDirName = strNewDirName + "/";
this.m_Conn = this.m_Packer.CheckConnection(this.Name);
DiskReadZip_ConnectInfo conn = this.m_Conn;
conn.Open();
//修改所有的匹配目录名称
List <SharpCompress.Archive.Zip.ZipArchiveEntry> olddirs = new List <SharpCompress.Archive.Zip.ZipArchiveEntry>();
List <SharpCompress.Archive.Zip.ZipArchiveEntry> filesInDir = new List <SharpCompress.Archive.Zip.ZipArchiveEntry>();
foreach (var ze in conn.ZipTarget.Entries)
{
if (ze.IsDirectory)
{
if (ze.Key.ToLower().StartsWith(strDirName))
{
olddirs.Add(ze);
}
}
else
{
if (ze.Key.ToLower().StartsWith(strDirName))
{
filesInDir.Add(ze);
}
}
}
//外面判断是否已经存在新目录名
//改名
string oldfName = "";
string newfName = "";
for (int i = filesInDir.Count - 1; i >= 0; i--)
{
oldfName = filesInDir[i].Key;
newfName = filesInDir[i].Key.Remove(0, strDirName.Length);
newfName = strNewDirName + newfName;
//
MemoryStream ms = conn.GetUnCompressStream(filesInDir[i]);
conn.ZipTarget.AddEntry(newfName, ms, true, ms.Length, filesInDir[i].LastModifiedTime);
conn.ZipTarget.RemoveEntry(filesInDir[i]);
filesInDir[i].Close();
}
//移除老文件夹
for (int i = olddirs.Count - 1; i >= 0; i--)
{
conn.ZipTarget.RemoveEntry(olddirs[i]);
olddirs[i].Close();
}
}