void _checkDBFilePath(string path, string _dbfileName)
{
//创建目录与文件 第1层，第2层的文件保存方式
string rootDir = path;
if (!Directory.Exists(rootDir))
{
FileEntryInfo.CheckDirectory_STC(rootDir);
}
string dbname = Path.Combine(rootDir, _dbfileName);
//创建根目录 下保存的文件对象位置
bool fileExist = File.Exists(dbname);//存在文件就直接打开,否则创建
//conn = new SQLiteConnection(dbname, fileExist ? SQLiteOpenFlags.ReadWrite : (SQLiteOpenFlags.ReadWrite | SQLiteOpenFlags.Create));
if (fileExist)
{
//检测是否为压缩文件
using (FileStream fst = new FileStream(dbname, FileMode.Open, FileAccess.Read)) {
fileExist = SharpCompress.Archive.Zip.ZipArchive.IsZipFile(fst);//非压缩文件
//压缩文件系统 没必要一直处于打开状态吧 用完销毁
}
}
if (!fileExist)
{
using (SharpCompress.Archive.Zip.ZipArchive con = SharpCompress.Archive.Zip.ZipArchive.Create()) {
using (FileStream fst = new FileStream(dbname, FileMode.Create, FileAccess.Write)) {
con.SaveTo(fst, new SharpCompress.Common.CompressionInfo());//保存完毕
}
}
}
}
private void Save()
{
if (mode == ZipArchiveMode.Create)
{
zipFile.SaveTo(stream, CompressionType.Deflate, entryNameEncoding ?? Encoding.UTF8);
}
else
{
using (var newZip = new MemoryStream())
{
zipFile.SaveTo(newZip, CompressionType.Deflate, entryNameEncoding ?? Encoding.UTF8);
stream.SetLength(0);
stream.Position = 0;
newZip.Position = 0;
newZip.CopyTo(stream);
}
}
}
private void Save()
{
using (var newZip = new MemoryStream()) {
zipFile.SaveTo(newZip, CompressionType.Deflate);
stream.SetLength(0);
stream.Position = 0;
newZip.Position = 0;
newZip.CopyTo(stream);
}
}
/// <summary>
/// 根据文件名，取得存储数据的zip
/// </summary>
/// <param name="strFileName">相对与table根目录的路径</param>
/// <returns></returns>
DiskZip_ConnectInfo _checkFileDataZip(string strFileName)
{
string zipDataPath = _getFileDataZipPath(strFileName);
bool fileExist = File.Exists(zipDataPath);
if (!fileExist)
{
FileEntryInfo.CheckDirectory_STC(Path.GetDirectoryName(zipDataPath));
using (SharpCompress.Archive.Zip.ZipArchive con = SharpCompress.Archive.Zip.ZipArchive.Create()) {
using (FileStream fst = new FileStream(zipDataPath, FileMode.Create, FileAccess.Write)) {
con.SaveTo(fst, new SharpCompress.Common.CompressionInfo());//保存完毕
}
}
}
if (!m_FileDataZips.ContainsKey(zipDataPath))
{
//创建
if (fileExist)
{
//检测是否为压缩文件
using (FileStream fst = new FileStream(zipDataPath, FileMode.Open, FileAccess.Read)) {
fileExist = SharpCompress.Archive.Zip.ZipArchive.IsZipFile(fst);//非压缩文件
//压缩文件系统 没必要一直处于打开状态吧 用完销毁
}
}
if (!fileExist)
{
FileEntryInfo.CheckDirectory_STC(Path.GetDirectoryName(zipDataPath));
using (SharpCompress.Archive.Zip.ZipArchive con = SharpCompress.Archive.Zip.ZipArchive.Create()) {
using (FileStream fst = new FileStream(zipDataPath, FileMode.Create, FileAccess.Write)) {
con.SaveTo(fst, new SharpCompress.Common.CompressionInfo());//保存完毕
}
}
}
DiskZip_ConnectInfo dc = new DiskZip_ConnectInfo();
dc.ConnString = zipDataPath;
m_FileDataZips.Add(zipDataPath, dc);
}
return(m_FileDataZips[zipDataPath]);
}
/// <summary>
/// 检测压缩文件是否存在，如果不存在则创建文件并加入表中，返回连接.z文件对象
/// </summary>
/// <param name="tableName"></param>
/// <returns></returns>
internal DiskReadZip_ConnectInfo CheckConnection(string tableName)
{
if (!m_Conns.ContainsKey(tableName))
{
//创建
string dbname = _GetTableFileFullPath(tableName);
bool fileExist = File.Exists(dbname);//存在文件就直接打开,否则创建
//conn = new SQLiteConnection(dbname, fileExist ? SQLiteOpenFlags.ReadWrite : (SQLiteOpenFlags.ReadWrite | SQLiteOpenFlags.Create));
if (fileExist)
{
//检测是否为压缩文件
using (FileStream fst = new FileStream(dbname, FileMode.Open, FileAccess.Read)) {
fileExist = SharpCompress.Archive.Zip.ZipArchive.IsZipFile(fst);//非压缩文件
//压缩文件系统 没必要一直处于打开状态吧 用完销毁
}
}
if (!fileExist)
{
using (SharpCompress.Archive.Zip.ZipArchive con = SharpCompress.Archive.Zip.ZipArchive.Create()) {
using (FileStream fst = new FileStream(dbname, FileMode.Create, FileAccess.Write)) {
con.SaveTo(fst, new SharpCompress.Common.CompressionInfo());//保存完毕
}
}
}
//
//FileStream fs = new FileStream(dbname, FileMode.Open, FileAccess.ReadWrite);
//conn = SharpCompress.Archive.Zip.ZipArchive.Open(fs);
DiskReadZip_ConnectInfo ci = new DiskReadZip_ConnectInfo();
ci.ConnString = dbname;
ci.Name = tableName;
m_Conns.Add(tableName, ci);//添加在数据表中
//
}
//打开,用的时候再打开吧
//m_Conns[tableName].Open();
return(m_Conns[tableName]);
}