/// <summary>
/// 获得分片数据
/// </summary>
/// <returns></returns>
private List <SlicingDataInfo> GetSlicingFiles(string fileName)
{
DirectoryInfo d = new DirectoryInfo(this.DPath);
//得到目录下所有的分片数据
FileInfo[] files = d.GetFiles(fileName);
List <SlicingDataInfo> slicingDataList = new List <SlicingDataInfo>();
for (int i = 0; i < files.Length; i++)
{
//得到目录中每片分片的数据，行号，列号，并存入list集合
SlicingDataInfo sd = new SlicingDataInfo()
{
ColNum = Path.GetFileNameWithoutExtension(files[i].Name).Split('_')[2], RowNum = Path.GetFileNameWithoutExtension(files[i].Name).Split('_')[1], Data = File.ReadAllBytes(files[i].FullName)
};
slicingDataList.Add(sd);
}
return(slicingDataList);
}
/// <summary>
/// 创建异或文件
/// </summary>
/// <param name="slicingDataList"></param>
private void CreateXORFile(List <SlicingDataInfo> slicingDataList)
{
for (int i = 1; i <= this.SliceNum; i++)
{
//遍历集合中数据，把同一行，同一列的数据放入同一集合中。
List <SlicingDataInfo> listR = new List <SlicingDataInfo>();
List <SlicingDataInfo> listC = new List <SlicingDataInfo>();
for (int j = 0; j < slicingDataList.Count; j++)
{
if (listC.Count != this.SliceNum)
{
if (slicingDataList[j].ColNum == i.ToString())
{
SlicingDataInfo sd = new SlicingDataInfo()
{
ColNum = i.ToString(), Data = slicingDataList[j].Data, RowNum = (this.SliceNum + 1).ToString()
};
listC.Add(sd);
}
}
if (listR.Count != this.SliceNum)
{
if (slicingDataList[j].RowNum == i.ToString())
{
SlicingDataInfo sd = new SlicingDataInfo()
{
RowNum = i.ToString(), Data = slicingDataList[j].Data, ColNum = (this.SliceNum + 1).ToString()
};
listR.Add(sd);
}
}
}
//得到同一行的所有 分片数据，去进行异或运算
GoCreateXORFile(listR, "slice_" + listR[0].RowNum + "_" + listR[0].ColNum + ".dat");
//得到同一列的所有分片数据，去进行异或运算
GoCreateXORFile(listC, "slice_" + listC[0].RowNum + "_" + listC[0].ColNum + ".dat");
}
}
