/// <summary>
/// 大文件断点传送
/// </summary>
private void SendBigFile(Object _socketModel)
{
SocketSendModel socketModel = (SocketSendModel)_socketModel;
Socket socketSend = socketModel.socketSend;
String filePath = socketModel.strSend;
try
{
//读取选择的文件
using (FileStream fsRead = new FileStream(filePath, FileMode.OpenOrCreate, FileAccess.Read))
{
//1. 第一步：发送一个包，表示文件的长度，让客户端知道后续要接收几个包来重新组织成一个文件
long length = fsRead.Length;
byte[] byteLength = Encoding.UTF8.GetBytes(length.ToString());
//获得发送的信息时候，在数组前面加上一个字节 1
List <byte> list = new List <byte>();
list.Add(1);
list.AddRange(byteLength);
socketSend.Send(list.ToArray()); //
//2. 第二步：每次发送一个1MB的包，如果文件较大，则会拆分为多个包
byte[] buffer = new byte[1024 * 1024];
long send = 0; //发送的字节数
while (true) //大文件断点多次传输
{
int r = fsRead.Read(buffer, 0, buffer.Length);
if (r == 0)
{
break;
}
socketSend.Send(buffer, 0, r, SocketFlags.None);
send += r;
ShowMsg(string.Format("{0}: 已发送：{1}/{2}", socketSend.RemoteEndPoint, send, length));
}
ShowMsg("发送完成");
}
}
catch
{
}
}
/// <summary>
/// 发送消息
/// </summary>
/// <param name="conection"></param>
/// <param name="msg"></param>
public void SendMsg(Object _socketModel)
{
try
{
SocketSendModel socketModel = (SocketSendModel)_socketModel;
Socket socketSend = socketModel.socketSend;
String strSend = socketModel.strSend;
byte[] buffer = Encoding.UTF8.GetBytes(strSend);
//获得发送的信息时候，在数组前面加上一个字节 0
List <byte> list = new List <byte>();
list.Add(0);
list.AddRange(buffer);
//将泛型集合转换为数组
byte[] newBuffer = list.ToArray();
//将了标识字符的字节数组传递给客户端
socketSend.Send(newBuffer);
}
catch
{
}
}
