Socket ClientSocket; // 套接字声明
// 接受并创建文件
public void Create()
{
Socket client = ClientSocket; // 获得客户端套接字
//获得客户端节点对象
IPEndPoint clientep = (IPEndPoint)client.RemoteEndPoint;
//获得[文件名]
string SendFileName = System.Text.Encoding.Unicode.GetString(TransferFiles.ReceiveVarData(client));
// 根据时间生成文件名
SendFileName = System.DateTime.Now.ToString("yyyyMMddhhmmss") + SendFileName.Substring(SendFileName.IndexOf('.'));
//获得[包的大小]
string bagSize = System.Text.Encoding.Unicode.GetString(TransferFiles.ReceiveVarData(client));
//获得[包的总数量]
int bagCount = int.Parse(System.Text.Encoding.Unicode.GetString(TransferFiles.ReceiveVarData(client)));
//获得[最后一个包的大小]
string bagLast = System.Text.Encoding.Unicode.GetString(TransferFiles.ReceiveVarData(client));
//创建一个新文件
FileStream MyFileStream = new FileStream(SendFileName, FileMode.Create, FileAccess.Write);
//已发送包的个数
int SendedCount = 0;
while (true)
{
byte[] data = TransferFiles.ReceiveVarData(client);
if (data.Length == 0)
{
break;
}
else
{
SendedCount++;
//将接收到的数据包写入到文件流对象
MyFileStream.Write(data, 0, data.Length);
//显示已发送包的个数
}
}
//关闭文件流
MyFileStream.Close();
string ip = IPAddress.Parse(((IPEndPoint)client.RemoteEndPoint).Address.ToString()).ToString();
//关闭套接字
client.Close();
//文件路径
string filepath = Application.StartupPath.ToString() + "\\" + SendFileName;
this.Invoke((EventHandler)(delegate
{
if (MessageBox.Show("收到来自" + ip + "的图片，保存路径为:" + filepath + "\r\n是否打开？", "提醒", MessageBoxButtons.OKCancel) == DialogResult.OK)
{
FormReceive re = new FormReceive();
re.path = filepath;
re.Show();
}
}));
}
int PacketSize = 5000; // 默认包大小是5000
//发送文件的线程
private void StartSend()
{
//创建一个文件对象
FileInfo EzoneFile = new FileInfo("temp.bmp"); // 发送缓存文件 已经是嘉隐藏了信息了的
//打开文件流
FileStream EzoneStream = EzoneFile.OpenRead();
//包的数量
int PacketCount = (int)(EzoneStream.Length / ((long)PacketSize));
//最后一个包的大小
int LastDataPacket = (int)(EzoneStream.Length - ((long)(PacketSize * PacketCount)));
//指向远程服务端节点
IPEndPoint ipep = new IPEndPoint(IPAddress.Parse(textBoxIP.Text.Trim()), port);
try
{
//创建套接字
Socket client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//连接到服务器端
client.Connect(ipep);
//发送[文件名]到客户端
TransferFiles.SendVarData(client, System.Text.Encoding.Unicode.GetBytes(EzoneFile.Name));
//发送[包的大小]到客户端
TransferFiles.SendVarData(client, System.Text.Encoding.Unicode.GetBytes(PacketSize.ToString()));
//发送[包的总数量]到客户端
TransferFiles.SendVarData(client, System.Text.Encoding.Unicode.GetBytes(PacketCount.ToString()));
//发送[最后一个包的大小]到客户端
TransferFiles.SendVarData(client, System.Text.Encoding.Unicode.GetBytes(LastDataPacket.ToString()));
//数据包
byte[] data = new byte[PacketSize];
//开始循环发送数据包
for (int i = 0; i < PacketCount; i++)
{
//从文件流读取数据并填充数据包
EzoneStream.Read(data, 0, data.Length);
//发送数据包
TransferFiles.SendVarData(client, data);
}
//如果还有多余的数据包,则应该发送完毕!
if (LastDataPacket != 0)
{
data = new byte[LastDataPacket];
EzoneStream.Read(data, 0, data.Length);
TransferFiles.SendVarData(client, data);
}
//关闭套接字
client.Close();
//关闭文件流
EzoneStream.Close();
this.Invoke((EventHandler)(delegate
{
MessageBox.Show("发送完毕!");
textBoxInfo.Text = "";
}));
}
catch (Exception ex)
{
this.Invoke((EventHandler)(delegate
{
MessageBox.Show("连接接收方失败，接收方是否运行？\r\n" + ex.Message);
}));
}
}