c# 使用TcpClient TcpListener类 服务器和客户端实现双向连接 web service web socket
通过web service获取服务器ip地址 端口先写5000
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Web;
using System.Web.Services;
namespace WebApplication1
{
/// 服务器
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Net.Sockets;
using System.Net;
using System.Threading;
using System.IO;
namespace TCPServer
{
public partial class TCPServer : Form
{
public TCPServer()
{
InitializeComponent();
}
//tcp监听
private TcpListener listener;
private TcpClient client;
public BinaryReader br;
public BinaryWriter bw;
private void button1_Click(object sender, EventArgs e)
{
//获取本地ip并设置
GetIP();
textBox4.Text = "5000";
Thread t = new Thread(server);
t.IsBackground = true;
t.Start(listener);
}
private void server(object o)
{
//服务端监听来自端口号5000 ip地址任意的信息 负责接收客户端连接请求(但不负责与客户端通信)的socket
//listener = new TcpListener(IPAddress.Any, 5000);
listener = new TcpListener(IPAddress.Parse(textBox3.Text), int.Parse(textBox4.Text));
listener.Start();
ShowMsg("服务器开始监听");
client = listener.AcceptTcpClient();
label.Text = "连接成功";
ShowMsg(client.Client.RemoteEndPoint.ToString()+"连接成功");
while (true)
{
try
{
NetworkStream strem = client.GetStream();
br = new BinaryReader(strem);
string receive = null;
receive = br.ReadString();//读取
ShowMsg(client.Client.RemoteEndPoint.ToString() + ":" + receive);
}
catch (Exception)
{
MessageBox.Show("接收失败");
}
}
}
private void GetIP()
{
string ipc = "";
string AddressIP = string.Empty;
foreach (IPAddress _IPAddress in Dns.GetHostEntry(Dns.GetHostName()).AddressList)
{
//Console.WriteLine(_IPAddress);
if (_IPAddress.AddressFamily.ToString() == "InterNetwork")
{
AddressIP = _IPAddress.ToString();
}
}
ipc = AddressIP;
textBox3.Text = ipc;
}
private void button3_Click(object sender, EventArgs e)
{
//利用TcpClient对象GetStream方法得到网络流
NetworkStream clientStream = client.GetStream();
bw = new BinaryWriter(clientStream);
//写入
bw.Write(textBox2.Text);
ShowMsg("发送:" + textBox2.Text);
}
private void ShowMsg(string v)
{
textBox1.AppendText(v + "\r\n");
}
private void TCPServer_Load(object sender, EventArgs e)
{
Control.CheckForIllegalCrossThreadCalls = false;
}
}
}
客户端
using Newtonsoft.Json;
using System;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Windows.Forms;
namespace TCPServer
{
public partial class TcpClient : Form
{
public TcpClient()
{
InitializeComponent();
}
private System.Net.Sockets.TcpClient client;
public BinaryReader br;
public BinaryWriter bw;
//private string str;
//连接
private void button1_Click(object sender, EventArgs e)
{
Thread t = new Thread(clientA);
t.IsBackground = true;
t.Start();
}
private void button2_Click(object sender, EventArgs e)
{
WebReference.WebService1 ws = new WebReference.WebService1();
var str = JsonConvert.DeserializeAnonymousType(ws.GetIP(),new { ip=string.Empty ,port= string.Empty });
textBox3.Text = str.ip;
textBox4.Text = str.port;
}
private void clientA()
{
//通过服务器的ip和端口号，创建TcpClient实例
client = new System.Net.Sockets.TcpClient();
//使用指定的IP地址和端口号将客户端连接到TCP主机
client.Connect(IPAddress.Parse(textBox3.Text), int.Parse(textBox4.Text));
label.Text = "与服务器连接成功";
ShowMsg("服务器："+ client.Client.RemoteEndPoint.ToString());
ShowMsg("客户端：" + client.Client.LocalEndPoint.ToString());
while (true)
{
try
{
NetworkStream clientStream = client.GetStream();
br = new BinaryReader(clientStream);
string receive = null;
receive = br.ReadString();
ShowMsg(client.Client.RemoteEndPoint.ToString() +":"+ receive);
}
catch
{
MessageBox.Show("接收失败！");
}
}
}
private void button3_Click(object sender, EventArgs e)
{
NetworkStream clientStream = client.GetStream();
bw = new BinaryWriter(clientStream);
bw.Write(textBox2.Text);
ShowMsg("发送:"+textBox2.Text);
}
private void ShowMsg(string v)
{
textBox1.AppendText(v + "\r\n");
}
private void TcpClient_Load(object sender, EventArgs e)
{
Control.CheckForIllegalCrossThreadCalls = false;
}
}
}
示例：
