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String path = @"D://TDDOWNLOAD//Ju-on.2000.2in1.DVDRip-AVC.mkv";
//Open the stream and read it back.
FileStream fs = File.OpenRead(path);
FileStream fo = File.OpenWrite(@"E://Ju-on.2000.2in1.DVDRip-AVC.mkv");
byte[] b = new byte[1024 * 1024];
while (fs.Read(b,0,b.Length) >= 0)
{
fo.Write(b,0,b.Length);
fo.Flush();
}
fo.Close();
fs.Close();
FileStream fs = File.OpenRead(@"D://TDDOWNLOAD//Ju-on.2000.2in1.DVDRip-AVC.mkv");
Byte[] sendByte = new Byte[1024 * 1024 * 10];
//Socket clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
while (fs.Read(sendByte, 0, sendByte.Length) > 0)
{
clientSocket.Send(sendByte);
}
fs.Close();
public class FileReader
{
private long _partCount;
private long _length;
private int _partSize = 4096 * 4;//每个块容量
private string _md5;
private object _tag;
private byte[] _partBuffer;
private int readPartIndex;
private string _filePath;
private DateTime _LastReadTime;
private string _fileName;
public DateTime LastReadTime { get { return _LastReadTime; } }
public bool IsTimeout
{
get
{
return (DateTime.Now - _LastReadTime).TotalMinutes > 5;
}
}
public string Key { get; set; }
/// <summary>
/// 块数量
/// </summary>
public long PartCount
{
get { return _partCount; }
}
/// <summary>
/// 文件长度
/// </summary>
public long Length
{
get { return _length; }
}
/// <summary>
/// 每块容量
/// </summary>
public int PartSize
{
get { return _partSize; }
}
/// <summary>
/// 文件路径
/// </summary>
public string FilePath
{
get { return _filePath; }
}
/// <summary>
/// 文件名
/// </summary>
public string FileName
{
get { return _fileName; }
}
/// <summary>
/// MD5码
/// </summary>
public string MD5
{
get { return _md5; }
}
public object Tag
{
get
{
return _tag;
}
set
{
_tag = value;
}
}
public FileReader(string filePath)
{
this._filePath = filePath;
this._fileName = Path.GetFileName(filePath);
this._partBuffer = new byte[_partSize];
InitReader();
}
public FileReader(string filePath, int partSize)
{
this._filePath = filePath;
this._fileName = Path.GetFileName(filePath);
this._partSize = partSize;
this._partBuffer = new byte[_partSize];
InitReader();
}
private void InitReader()
{
_LastReadTime = DateTime.Now;
using (FileStream _fileStream = CreateReader())
{
_length = _fileStream.Length;
_partCount = _length / _partSize;
if (_length % _partSize != 0)
{
_partCount++;
}
_md5 = MD5Helper.CretaeMD5(_fileStream);
_fileStream.Close();
}
}
private FileStream CreateReader()
{
FileStream fileStream = new FileStream(_filePath, FileMode.Open, FileAccess.Read, FileShare.Read, _partSize * 10, false);
return fileStream;
}
public byte[] Read(long index)
{
_LastReadTime = DateTime.Now;
if (index >= _partCount || index < 0)
return null;
int size = _partSize;
if (_length - _partSize * index < _partSize)
{
size = (int)(_length - _partSize * index);
}
using (FileStream _fileStream = CreateReader())
{
_fileStream.Position = index * _partSize;
int len = _fileStream.Read(this._partBuffer, 0, size);
byte[] buffer = new byte[len];
Buffer.BlockCopy(_partBuffer, 0, buffer, 0, len);
_fileStream.Close();
return buffer;
}
}
}
[/quote]
多谢!我去试试!
感谢大家。先结贴了,如果我解决这个问题,我会把答案写在这里的。!
public class FileReader
{
private long _partCount;
private long _length;
private int _partSize = 4096 * 4;//每个块容量
private string _md5;
private object _tag;
private byte[] _partBuffer;
private int readPartIndex;
private string _filePath;
private DateTime _LastReadTime;
private string _fileName;
public DateTime LastReadTime { get { return _LastReadTime; } }
public bool IsTimeout
{
get
{
return (DateTime.Now - _LastReadTime).TotalMinutes > 5;
}
}
public string Key { get; set; }
/// <summary>
/// 块数量
/// </summary>
public long PartCount
{
get { return _partCount; }
}
/// <summary>
/// 文件长度
/// </summary>
public long Length
{
get { return _length; }
}
/// <summary>
/// 每块容量
/// </summary>
public int PartSize
{
get { return _partSize; }
}
/// <summary>
/// 文件路径
/// </summary>
public string FilePath
{
get { return _filePath; }
}
/// <summary>
/// 文件名
/// </summary>
public string FileName
{
get { return _fileName; }
}
/// <summary>
/// MD5码
/// </summary>
public string MD5
{
get { return _md5; }
}
public object Tag
{
get
{
return _tag;
}
set
{
_tag = value;
}
}
public FileReader(string filePath)
{
this._filePath = filePath;
this._fileName = Path.GetFileName(filePath);
this._partBuffer = new byte[_partSize];
InitReader();
}
public FileReader(string filePath, int partSize)
{
this._filePath = filePath;
this._fileName = Path.GetFileName(filePath);
this._partSize = partSize;
this._partBuffer = new byte[_partSize];
InitReader();
}
private void InitReader()
{
_LastReadTime = DateTime.Now;
using (FileStream _fileStream = CreateReader())
{
_length = _fileStream.Length;
_partCount = _length / _partSize;
if (_length % _partSize != 0)
{
_partCount++;
}
_md5 = MD5Helper.CretaeMD5(_fileStream);
_fileStream.Close();
}
}
private FileStream CreateReader()
{
FileStream fileStream = new FileStream(_filePath, FileMode.Open, FileAccess.Read, FileShare.Read, _partSize * 10, false);
return fileStream;
}
public byte[] Read(long index)
{
_LastReadTime = DateTime.Now;
if (index >= _partCount || index < 0)
return null;
int size = _partSize;
if (_length - _partSize * index < _partSize)
{
size = (int)(_length - _partSize * index);
}
using (FileStream _fileStream = CreateReader())
{
_fileStream.Position = index * _partSize;
int len = _fileStream.Read(this._partBuffer, 0, size);
byte[] buffer = new byte[len];
Buffer.BlockCopy(_partBuffer, 0, buffer, 0, len);
_fileStream.Close();
return buffer;
}
}
}
String path = @"D://TDDOWNLOAD//Ju-on.2000.2in1.DVDRip-AVC.mkv";
//Open the stream and read it back.
FileStream fs = File.OpenRead(path);
FileStream fo = File.OpenWrite(@"E://Ju-on.2000.2in1.DVDRip-AVC.mkv");
byte[] b = new byte[1024 * 1024];
while (fs.Read(b,0,b.Length) >= 0) <-问题出在这知道没
{
fo.Write(b,0,b.Length);
fo.Flush();
}
fo.Close();
fs.Close();
//改成这样
String path = @"D://TDDOWNLOAD//Ju-on.2000.2in1.DVDRip-AVC.mkv";
//Open the stream and read it back.
FileStream fs = File.OpenRead(path);
FileStream fo = File.OpenWrite(@"E://Ju-on.2000.2in1.DVDRip-AVC.mkv");
byte[] b = new byte[1024 * 1024];
int reLen=0;
while ((reLen=fs.Read(b,0,b.Length))>= 0) //<--这里要这样
{
fo.Write(b,0,reLen); 《-这里要这样
fo.Flush();
}
fo.Close();
fs.Close();
[/quote]
好的,我试试。
这个应该不影响的,还是感谢的回答。