/// <summary>
/// 加载文件
/// </summary>
/// <param name="filepath"></param>
/// <param name="Type"></param>
/// <returns></returns>
public static SerializeFileInfo LoadFile(string filepath, SerializeFileInfoType Type = SerializeFileInfoType.File)
{
var SerializeFileInfo = new SerializeFileInfo();
SerializeFileInfo.Type = Type;
if (Type == SerializeFileInfoType.Directory)
{
return(SerializeFileInfo);
}
SerializeFileInfo.FileBuffer = File.ReadAllBytes(filepath);
SerializeFileInfo.FileName = System.IO.Path.GetFileName(filepath);
return(SerializeFileInfo);
}
/// <summary>
/// 对目标文件夹进行压缩，将压缩结果保存为指定文件
/// </summary>
public void Compress()
{
if (!Directory.Exists(DirPath))
{
Message?.Invoke("目标文件夹不存在！");
return;
}
var files = Directory.GetFiles(DirPath, "*", SearchOption.AllDirectories);
//if (files == null || files.Length <= 0)
//{
// Message?.Invoke("目标文件夹内没有文件！");
// return;
//}
//准备文件
Message?.Invoke("正在准备文件！");
var list = new List <SerializeFileInfo>();
foreach (string f in files)
{
SerializeFileInfo sfi = SerializeFileInfo.LoadFile(f);
//Message?.Invoke("正在准备文件" + sfi.FileName + "！");
sfi.Path = f.Substring(DirPath.Length, f.Length - DirPath.Length - sfi.FileName.Length);
list.Add(sfi);
}
//解决文件夹问题-一般不会太多
var dirs = Directory.GetDirectories(DirPath, "*", SearchOption.AllDirectories);
if (dirs != null && dirs.Length > 0)
{
foreach (string d in dirs)
{
if (Directory.GetFiles(d, "*", SearchOption.AllDirectories).Length == 0)//当文件夹内没用文件时启用
{
SerializeFileInfo sfi = SerializeFileInfo.LoadFile(d, SerializeFileInfo.SerializeFileInfoType.Directory);
sfi.Path = d.Substring(DirPath.Length, d.Length - DirPath.Length);
list.Add(sfi);
}
}
}
var source = list.ToStream();
//开始压缩
Message?.Invoke("正在压缩文件！");
using (Stream destination = new FileStream(ZipFileName, FileMode.Create, FileAccess.Write))
{
using (GZipStream output = new GZipStream(destination, CompressionMode.Compress))
{
byte[] bytes = new byte[bufferSize];
int n;
while ((n = source.Read(bytes, 0, bytes.Length)) != 0)
{
Message?.Invoke("正在压缩文件！已完成" + (source.Position * 100 / source.Length).ToString("0.##") + "%");
output.Write(bytes, 0, n);
}
}
destination.Close();
}
Message?.Invoke("压缩已完成！");
GC.Collect();
}