public void Pack(PackagingInfo info, string outputFilePath)
{
// 创建额外数据块
string extraDataFile = PathUtil.GetTempRandomFile(".tmp");
using (var outputStream = System.IO.File.OpenWrite(extraDataFile))
{
// 封装基本信息
WriteBaseInfo(outputStream, info);
using (var writer = new BinaryWriter(outputStream))
{
// 封装文件
WriteFile(writer, info.Option, info.Files);
// 写入随机序列
WriteRandomBytes(writer, info.Option);
}
}
// 删除已存在的目标文件
if (System.IO.File.Exists(outputFilePath))
{
System.IO.File.Delete(outputFilePath);
}
// 生成文件
string templeteFile = PathUtil.GetEntryFileDir() + "\\ZZLH.PackagingTool.Execution.exe";
using (var fs = System.IO.File.OpenWrite(outputFilePath))
{
// 写入模板数据
long extraDataPos = CopyTo(templeteFile, fs);
// 写入额外数据
CopyTo(extraDataFile, fs);
// 写入额外数据开始位置
fs.Write(BitConverter.GetBytes, extraDataPos);
}
}
public void SaveProject(PackagingInfo info, string outputFilePath)
{
// 删除已存在的目标文件
if (System.IO.File.Exists(outputFilePath))
{
System.IO.File.Delete(outputFilePath);
}
using (var outputStream = System.IO.File.OpenWrite(outputFilePath))
{
// 封装基本信息
WriteBaseInfo(outputStream, info);
}
}
public PackagingInfo UnPack(string file)
{
PackagingInfo info = null;
using (var fs = System.IO.File.OpenRead(file))
{
// 读取额外数据块的开始位置
fs.Seek(fs.Length - 8, SeekOrigin.Begin);
long extraDataPos = fs.Read(BitConverter.ToInt64, 8);
fs.Seek(extraDataPos, SeekOrigin.Begin);
// 读取基本信息
info = ReadBaseInfo(fs, true);
using (var br = new BinaryReader(fs))
{
// 读取文件
ReadFile(br, info.Option, info.Files);
// 读取随机字节序列
ReadRandomBytes(br, info.Option);
}
}
return(info);
}
private void WriteBaseInfo(Stream stream, PackagingInfo info)
{
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(stream, info);
}