/// <summary>
/// 执行实际的写数据
/// </summary>
/// <returns>
/// 成功 - true
/// 失败 - false
/// </returns>
public Boolean write()
{
SVSerialize svSerialize = new SVSerialize();
svSerialize.pack(_name);
svSerialize.pack(_version);
svSerialize.pack(_type);
svSerialize.pack(_fileSize);
svSerialize.pack(_crc);
svSerialize.pack(_imagePos);
svSerialize.pack(_iamgeSize);
foreach (var item in _rsv)
{
svSerialize.pack(item);
}
svSerialize.pack(_data);
FileStream fileStream = new FileStream(_fileName, FileMode.Create);
try
{
byte[] allData = svSerialize.ToArray();
fileStream.Write(allData, 0, allData.Length);
}
catch (IOException)
{
return(false);
}
finally
{
fileStream.Close();
}
return(true);
}
/// <summary>
/// 反序列化当前版本数据
/// </summary>
/// <param oldName="serialize">序列化对象</param>
public void unpack(SVSerialize serialize)
{
serialize.unpack(ref Year);
serialize.unpack(ref Month);
serialize.unpack(ref Day);
serialize.unpack(ref Hour);
serialize.unpack(ref Minute);
serialize.unpack(ref Second);
serialize.unpack(ref rsv);
}
public Byte rsv; //预留，保证4字节对齐
/// <summary>
/// 序列化当前版本数据
/// </summary>
/// <param oldName="serialize">序列化对象</param>
public void pack(SVSerialize serialize)
{
serialize.pack(Year);
serialize.pack(Month);
serialize.pack(Day);
serialize.pack(Hour);
serialize.pack(Minute);
serialize.pack(Second);
serialize.pack(rsv);
}
/// <summary>
/// 从当前指定的文件中文件内容
/// </summary>
/// <returns>成功-true 失败-false</returns>
public Boolean read()
{
int length = 0;
byte[] allData = null;
FileStream fileStream = new FileStream(_fileName, FileMode.Open);
try
{
///length = (Int32)(fileStream.Length - 32);
length = (Int32)(fileStream.Length);
allData = new byte[fileStream.Length];
fileStream.Read(allData, 0, (Int32)fileStream.Length);
}
catch (IOException ex)
{
return(false);
}
finally
{
fileStream.Close();
}
if (allData == null)
{
return(false);
}
SVSerialize svSerialize = new SVSerialize(allData);
svSerialize.unpack(ref _name);
//_version.unpack(svSerialize);
svSerialize.unpack(ref _version);
svSerialize.unpack(ref _type);
svSerialize.unpack(ref _fileSize);
svSerialize.unpack(ref _crc);
svSerialize.unpack(ref _imagePos);
svSerialize.unpack(ref _iamgeSize);
for (int i = 0; i < 7; i++)
{
svSerialize.unpack(ref _rsv[i]);
}
///需要减去当前头部长度
_data = new byte[length - 64];
svSerialize.unpack(ref _data);
return(true);
}
