/// <summary>
/// 快速获取文件信息
/// </summary>
/// <param name="pic"></param>
public static Picture.Inf FastCompute(string filename)
{
Picture.Inf result = new Picture.Inf();
if (System.IO.File.Exists(filename))
{
result.fileName = filename;
result.FileInfo = new FileInfo(result.fileName);
//result.FileInfo.Extension = "jpg"
result.isPhoto = true;
try
{
using (FileStream stream = new FileStream(filename, FileMode.Open, FileAccess.Read))
{
result.SHA1 = Byte2String(SHA1(stream));
string date = GetExifDate(stream);
Console.WriteLine("EXIF:{1}{0}", filename, date);
if (date == "-1")//不是图片
{
result.isPhoto = false;
}
else
{
DateTime.TryParse(date, out result.ExifDate);
}
}
}
catch
{
}
}
return(result);
}
public static bool Add(Picture.Inf pic)
{
PictureList.Add(pic.SHA1, pic.fileName);
return(true);
}
public static void OnChange(string filename)
{
while (true)
{
if (!Files.IsFileInUse(filename))
{
Console.WriteLine("{0}->文件占用释放", filename);
Picture.Inf pic = Compute.FastCompute(filename);
if (!pic.isPhoto)//不是图片就退出
{
Console.WriteLine("不是图片");
if (deleteFile)
{
File.Delete(pic.fileName);
Console.WriteLine("删除文件");
}
return;
}
//Console.WriteLine("{0} {1} {2}", pic.ExifDate.ToString(), pic.SHA1, pic.FileInfo.LastWriteTime);
//数据库操作(查重)
Console.WriteLine("图片查重");
if (DataBase.Compared(pic.SHA1))//重复文件
{
Console.WriteLine("重复文件");
if (deleteFile)
{
File.Delete(pic.fileName);
}
break;
}
Console.WriteLine("加入数据库");
DataBase.Add(pic);
string tmpPath;
if (pic.ExifDate.Year == 1)//非法日期
{
tmpPath = pic.FileInfo.LastWriteTime.ToString("yyyy-MM-dd");
}
else
{
Console.WriteLine("不是图片");
tmpPath = pic.ExifDate.ToString("yyyy-MM-dd");
}
tmpPath = string.Format("{0}{1}\\", decPath, tmpPath);
if (!Directory.Exists(tmpPath))//没有目录就创建目录
{
Directory.CreateDirectory(tmpPath);
}
//尝试存储图片
string filePath = string.Format("{0}{1}", tmpPath, pic.FileInfo.Name);
Console.WriteLine("新文件{0}", filePath);
int i = 1;
if (File.Exists(filePath))
{
bool ifExists = true;
while (ifExists)
{
filePath = string.Format("{0}{1}({2}){3}",
tmpPath,
pic.FileInfo.Name.Substring(0, pic.FileInfo.Name.Length - pic.FileInfo.Extension.Length),
i,
pic.FileInfo.Extension
);
i++;
Console.WriteLine("尝试新文件{0}", filePath);
ifExists = File.Exists(filePath);
}
}
bool movefile = Files.moveFile(pic.fileName, filePath, deleteFile);
Console.WriteLine("{0}->{1}->{2}", pic.fileName, filePath, movefile ? "失败" : "成功");
break;
}
}
}
