注：（程序中设置只能上传jpg格式文件，可以传其它类型文件）
服务器
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Net.Sockets;
using System.Net;
using System.Threading;
namespace WindowsApplication1
{
public partial class FormReceive2 : Form
{
public FormReceive2()
{
InitializeComponent();
}
/// <summary>
/// 得到本机IP
/// </summary>
/// <returns></returns>
public IPAddress GetServerIP()
{
IPHostEntry ieh = Dns.GetHostByName(Dns.GetHostName());
return ieh.AddressList[0];
}
/// <summary>
/// 接收文件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void receiveFile()
{
Socket receiveSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
///设置接收数据的地址
IPAddress ServerIp = GetServerIP();
IPEndPoint hostPoint = new IPEndPoint(ServerIp, 8000);
///设置端口
receiveSocket.Bind(hostPoint);
///监听
Start:
receiveSocket.Listen(2);
///设置接收数据缓冲区的大小
Byte[] recData = new Byte[100000];
Socket hostSocket = receiveSocket.Accept();
///接收数据
int i = 0;
int bytes = 0;
///创建一个新文件保存接收的数据
string ImagePicture = "E:\\" + Convert.ToString(Guid.NewGuid()) + ".jpg";
FileStream fileStream = new FileStream(ImagePicture, FileMode.OpenOrCreate);
BinaryWriter writer = new BinaryWriter(fileStream);
while (true)
{
bytes = hostSocket.Receive(recData, recData.Length, 0);
//读取完成后退出循环
i += bytes;
if (bytes <= 0)
break;
writer.Write(recData, 0, bytes);
}
//将读取的字节数转换为字符串
if (i > 0)
{
///显示接收数据的信息
label1.Text = "网页在" + DateTime.Now.ToString() + "接收的数据大小为：" + i.ToString();
}
///关闭写文件流
fileStream.Close();
writer.Close();
///关闭接收数据的Socket
hostSocket.Shutdown(SocketShutdown.Receive);
hostSocket.Close();
goto Start;
}
/// <summary>
/// 接收字符
/// </summary>
private void receiveWord()
{
Socket receiveSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
///设置接收数据的地址
IPAddress ServerIp = GetServerIP();
IPEndPoint hostPoint = new IPEndPoint(ServerIp, 8001);
///设置端口
receiveSocket.Bind(hostPoint);
///监听
Start:
receiveSocket.Listen(2);
///设置接收数据缓冲区的大小
Byte[] recData = new Byte[100000];
Socket hostSocket = receiveSocket.Accept();
string recvStr = "";
int bytes = 0;
while (true)
{
bytes = hostSocket.Receive(recData, recData.Length, 0);
//读取完成后退出循环
if (bytes <= 0)
break;
//将读取的字节数转换为字符串
recvStr += Encoding.UTF8.GetString(recData, 0, bytes).TrimEnd().TrimStart();
}
recvStr = "来自IP和端口" + hostSocket.RemoteEndPoint.ToString() + "的信息" + recvStr;
MessageBox.Show(recvStr);
///关闭接收数据的Socket
hostSocket.Shutdown(SocketShutdown.Receive);
hostSocket.Close();
goto Start;
}
protected void Button1_Click(object sender, EventArgs e)
{
receiveFile();
}
private void button2_Click(object sender, EventArgs e)
{
receiveWord();
}
/// <summary>
/// 改变Byte[]长度
/// </summary>
/// <param name="array"></param>
/// <param name="newSize"></param>
/// <returns></returns>
private Byte[] Resize(Byte[] array, int newSize)
{
Byte[] newArray = new Byte[newSize];
array.CopyTo(newArray, 0);
return newArray;
}
}
}
客户端
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Net.Sockets;
using System.Net;
using System.Threading;
namespace WindowsApplication1
{
public partial class FormSend2 : Form
{
public FormSend2()
{
InitializeComponent();
}
/// <summary>
/// 发送文件
/// </summary>
private void SocketSendFile()
{
///创建发送数据的Socket
Socket sendsocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
///设置发送数据的地址
IPEndPoint endPoint = new IPEndPoint(IPAddress.Parse("192.168.0.21"), 8000);
///创建读取文件的流
if (openFileDialog1.FileName == "openFileDialog1")
{
MessageBox.Show("请先选择图片");
}
else
{
FileStream fileSteam = new FileStream(openFileDialog1.FileName, FileMode.OpenOrCreate, FileAccess.Read);
///文件大小
Byte[] fsSize = new Byte[fileSteam.Length - 1];
///读取文件的二进制流
BinaryReader reader = new BinaryReader(fileSteam);
///读取数据
reader.Read(fsSize, 0, (int)fileSteam.Length - 1);
///链接目的地
try
{
sendsocket.Connect(endPoint);
}
catch
{
MessageBox.Show("不能连接到服务器");
return;
}
///发送数据
try
{
sendsocket.Send(fsSize);
}
catch
{
MessageBox.Show("服务器忙，请稍后再发！");
}
///关闭文件流
fileSteam.Close();
///关闭发送数据的Socket
sendsocket.Shutdown(SocketShutdown.Send);
sendsocket.Close();
}
}
/// <summary>
/// 发送字符
/// </summary>
private void SocketSendWord()
{
///创建发送数据的Socket
Socket sendsocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
///设置发送数据的地址
IPEndPoint endPoint = new IPEndPoint(IPAddress.Parse("192.168.0.21"), 8000);
int iLength = textBox1.Text.Length;
//获取要发送的数据的长度
Byte[] bySend = new byte[iLength];
//根据获取的长度定义一个Byte类型数组
bySend = System.Text.Encoding.UTF8.GetBytes(textBox1.Text);
//按照指定编码类型把字符串指定到指定的Byte数组
try
{
sendsocket.Connect(endPoint);
}
catch
{
MessageBox.Show("不能连接到服务器");
return;
}
int i = sendsocket.Send(bySend);
///关闭发送数据的Socket
sendsocket.Shutdown(SocketShutdown.Send);
sendsocket.Close();
}
private void button1_Click(object sender, EventArgs e)
{
SocketSendFile();
}
private void button2_Click(object sender, EventArgs e)
{
SocketSendWord();
}
private void button3_Click(object sender, EventArgs e)
{
this.openFileDialog1.DefaultExt = "jpg";
// The Filter property requires a search string after the pipe ( | )
this.openFileDialog1.Filter = "图片文档(*.*)|*.*";
this.openFileDialog1.ShowDialog();
try
{
int j = openFileDialog1.FileName.LastIndexOf(".");
string ExtendName = openFileDialog1.FileName.Substring(j);
if (ExtendName == ".jpg" || ExtendName == ".JPG")
{
if (this.openFileDialog1.FileNames.Length > 0)
{
foreach (string filename in this.openFileDialog1.FileNames)
{
int a = filename.LastIndexOf("\\");
string strPath = filename.Substring(a, filename.Length - a);
Image ImagePicture = Image.FromFile(strPath);
this.pictureBox1.Image = ImagePicture;
}
}
}
else
{
MessageBox.Show("只能上传jpg格式文件!");
return;
}
}
catch
{
}
}
}
}