string a = "sssssssssssssssssssssssssssssssssssssssssss";string b = "jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj";string c = "nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnmmm";string d = "ssssssssssssssssssssssssssssssssssssssssssssssssss";string o = "hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh";string f = "ttttttttttttttttttttttttttttttttttttttttttttttttttt";List<string> la = new List<string>();la.Add(a);la.Add(b);la.Add(c);la.Add(d);la.Add(o);la.Add(f);Parallel.For(0, 6 /*portion*/, (i, ParallelLoopState) =>{Console.WriteLine(la[i]) ;});

                  if (i == 0){using (mmf_reader = mmf.CreateViewAccessor(0, portion1, MemoryMappedFileAccess.Read)){buffer = new byte[portion1];mmf_reader.ReadArray(0, buffer, 0, (int)portion1);mappedFiles.Add(new MappedFile{Offset =/* i **/ portion1, //fileOffset,  Buffer = buffer,FileSize = portion1});}}else if (i == 1){using (mmf_reader = mmf.CreateViewAccessor(portion1, portion2 - portion1, MemoryMappedFileAccess.Read)){buffer = new byte[portion2 - portion1];mmf_reader.ReadArray(0, buffer, 0, (int)(portion2 - portion1));mappedFiles.Add(new MappedFile{Offset = portion1 + portion2,// i * portionSize, //fileOffset,  Buffer = buffer,FileSize = portion2 - portion1});}}else if (i == 2){using (mmf_reader = mmf.CreateViewAccessor(portion2, portion3 - portion2, MemoryMappedFileAccess.Read)){buffer = new byte[portion3 - portion2];mmf_reader.ReadArray(0, buffer, 0, (int)(portion3 - portion2));mappedFiles.Add(new MappedFile{Offset = portion3 + portion2,// i * portionSize, //fileOffset,  Buffer = buffer,FileSize = portion3 - portion2});}}else if (i == 3){using (mmf_reader = mmf.CreateViewAccessor(portion2, portion3 - portion2, MemoryMappedFileAccess.Read)){buffer = new byte[portion3 - portion2];mmf_reader.ReadArray(0, buffer, 0, (int)(portion3 - portion2));mappedFiles.Add(new MappedFile{Offset = portion3 + portion2,// i * portionSize, //fileOffset,  Buffer = buffer,FileSize = portion3 - portion2});}}else if (i == 4){using (mmf_reader = mmf.CreateViewAccessor(portion3, portion4 - portion3, MemoryMappedFileAccess.Read)){buffer = new byte[portion4 - portion3];mmf_reader.ReadArray(0, buffer, 0, (int)(portion4 - portion3));mappedFiles.Add(new MappedFile{Offset = portion3 + portion2,// i * portionSize, //fileOffset,  Buffer = buffer,FileSize = portion4 - portion3});}}else if (i == 5){using (mmf_reader = mmf.CreateViewAccessor(portion4, portion5 - portion4, MemoryMappedFileAccess.Read)){buffer = new byte[portion5 - portion4];mmf_reader.ReadArray(0, buffer, 0, (int)(portion5 - portion4));mappedFiles.Add(new MappedFile{Offset = portion3 + portion2,// i * portionSize, //fileOffset,  Buffer = buffer,FileSize = portion5 - portion4});}}}

 mappedFiles = new List<MappedFile>();//初始化 list 六个for (int i = 0; i < 6; i++){MappedFile map = new MappedFile();mappedFiles.Add(map);

mappedFiles[0]=new MappedFile
{
// Offset =/* i **/ portion1, //fileOffset,
Buffer = buffer,
// FileSize = portion1
};