【C#】基于TCP的简单通信系统

其他 2020-03-11 17:34:13 阅读次数: 0

Console套接字版本

服务器端

using System;
using System.Net;
using System.Net.Sockets;
using System.Text;
namespace ConsoleServer
{
    class Program
    {
        private static byte[] result = new Byte[1024];       //读写缓冲区
        private static int myprot = 8848;       //端口号
        private static Socket serverSocket;       //服务器端
        private static string sendMessage = "这是一条由服务器发送过来的消息，您好！";
        private static Socket clientsocket;//客户端
        static void Main(string[] args)
        {
            //1.初始化
            IPAddress ip =IPAddress.Parse("127.0.0.1");
            Console.WriteLine("初始化中。。。");
            serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            serverSocket.Bind(new IPEndPoint(ip, myprot));//绑定ip和端口号
            //2.开始监听
            serverSocket.Listen(10);
            Console.WriteLine("启动监听{0}成功,等待客户端接入", serverSocket.LocalEndPoint.ToString());
            //3.发送数据
            clientsocket = serverSocket.Accept();//阻塞线程
            clientsocket.Send(Encoding.Unicode.GetBytes(sendMessage));
            Console.WriteLine("向客户端发送消息:{0}", sendMessage);
            //4.接收数据
            int number = clientsocket.Receive(result);
            Console.WriteLine("接收客户端{0}消息{1}", clientsocket.RemoteEndPoint.ToString(),
                Encoding.Unicode.GetString(result, 0, number));
            //5.关闭连接
            clientsocket.Shutdown(SocketShutdown.Both);
            clientsocket.Close();
          
        }
    }
}

运行截图

客户端

using System;
using System.Text;
using System.Net;
using System.Net.Sockets;
namespace ConsoleClient
{
    class Program
    {
        private static byte[] result = new Byte[1024];
        private static Socket clientSocket;
        private static String sendMessage = "你好，这是来自客户端的回应";
        private static int port = 8848;
     
        static void Main(string[] args)
        {
            //1.初始化
            IPAddress ip = IPAddress.Parse("127.0.0.1");
            clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            Console.WriteLine("初始化成功，正在连接服务器");
            //2.连接服务器
            try
            {
                clientSocket.Connect(ip, port);
                Console.WriteLine("连接成功！");
            }
            catch
            {
                Console.WriteLine("连接服务器失败");
                return;
            }
            //3.接收服务器发过来的数据
            int receiveLength = clientSocket.Receive(result);
            Console.WriteLine("接收服务器消息：{0}", Encoding.Unicode.GetString(result, 0, receiveLength));
            //4.向服务器发送数据
            clientSocket.Send(Encoding.Unicode.GetBytes(sendMessage));
            Console.WriteLine("向服务器发送消息:{0}", sendMessage);
            //5.关闭连接
            clientSocket.Shutdown(SocketShutdown.Both);
            clientSocket.Close();
           
        }
    }
}

运行截图

WinForm TCP类版本

界面设计

其实也没有啥好设计的，主要是要显示你的所有操作

服务器：

客户端

编码实现

服务器

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace SocketServer
{

    public partial class Form1 : Form
    {
        private IPAddress localAddress;
        private const int port = 8848;
        private TcpListener tcpListener;
        private TcpClient tcpClient;
        private NetworkStream networkStream;
        private BinaryReader br;
        private BinaryWriter bw;
        private String log = "";
        private String receive_message = "";

        public Form1()
        {
            InitializeComponent();
            localAddress = new IPAddress(Dns.GetHostByName(Dns.GetHostName()).AddressList[0].Address);
            tv_server_status.Text = "准备就绪,IP: "+localAddress;
            log = log + getTime() + "程序启动,准备监听";
            tb_log.Text = log;
            tb_log.ScrollToCaret();
        }

        private void groupBox1_Enter(object sender, EventArgs e)
        {

        }

        private void label1_Click(object sender, EventArgs e)
        {

        }

        private void btn_start_server_Click(object sender, EventArgs e)
        {
            log = log + getTime() + "开始连接" + "\r\n";
            tcpListener = new TcpListener(localAddress, port);
            tcpListener.Start();
            log = log + getTime() + "IP:" + localAddress + " 端口号：" + port + " 已启用监听" + "\r\n";
            tcpClient = tcpListener.AcceptTcpClient();
            tv_server_status.Text = "已连接！";
            networkStream = tcpClient.GetStream();
            br = new BinaryReader(networkStream);
            bw = new BinaryWriter(networkStream);
            log = log + getTime() + "已连接客户端";
            tb_log.Text = log; 
            tb_log.ScrollToCaret();
        }

        private void btn_stop_server_Click(object sender, EventArgs e)
        {
            if (bw != null)
            {
                bw.Close();
            }
            if (br != null)
            {
                br.Close();
            }
            if (tcpClient != null)
            {
                tcpClient.Close();
            }
            if (tcpListener != null)
            {
                tcpListener.Stop();
            }
            tv_server_status.Text = "准备就绪";
            log = log + getTime() + "已停止";
            tb_log.Text = log;
            tb_log.ScrollToCaret();
        }
        private String getTime()
        {
            return "\r\n"+DateTime.Now.ToString()+ "\r\n";
        }

        private void btn_send_message_Click(object sender, EventArgs e)
        {
            if (tb_send_message.Text == null || tb_send_message.Text.Equals(""))
            {
                MessageBox.Show("发送信息不允许为空！");
            }
            else
            {
                String message = tb_send_message.Text;
                log = log + getTime() + "服务器发送信息：" + message;
                tb_log.Text = log;
                tb_log.ScrollToCaret();
                //发送信息
                bw.Write(message);
                bw.Flush();
                tb_send_message.Text = "";
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            String temp = br.ReadString();
            receive_message = receive_message+getTime() + temp;
            tb_receive_message.Text = receive_message;
            log = log + getTime() + "收到信息：" + temp;
            tb_receive_message.ScrollToCaret();
            tb_log.Text = log;
            tb_log.ScrollToCaret();
        }

        private void tb_receive_message_TextChanged(object sender, EventArgs e)
        {

        }

        private void tb_send_message_TextChanged(object sender, EventArgs e)
        {

        }
    }
}

客户端

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace SocketClient
{
    public partial class Form1 : Form
    {
        String log = "";
        private IPAddress localAddress;
        private const int port = 8848;
        private TcpListener tcpListener;
        private TcpClient tcpClient;
        private NetworkStream networkStream;
        private BinaryReader br;
        private BinaryWriter bw;
        public Form1()
        {
            InitializeComponent();
            log = log + getTime() + "准备就绪，请输入IP后点击开始按钮";
            tb_log.Text = log;
            tb_log.ScrollToCaret();
        }

        private void label2_Click(object sender, EventArgs e)
        {

        }

        private void btn_send_Click(object sender, EventArgs e)
        {
            if (tb_send_message.Text == null || tb_send_message.Text.Equals(""))
            {
                MessageBox.Show("发送信息不能为空");
            }
            else
            {
                bw.Write(tb_send_message.Text);
                bw.Flush();
                log = log + getTime() + "发送信息：" + tb_send_message.Text;
                tb_send_message.Text = "";
                tb_log.Text = log;
                tb_log.ScrollToCaret();
            }
           
        }
        private String getTime()
        {
            return "\r\n"+DateTime.Now.ToString() + "\r\n";
        }

        private void btn_start_Click(object sender, EventArgs e)
        {
            if(tb_goal_ip.Text==null|| tb_goal_ip.Text.Equals(""))
            {
                MessageBox.Show("用户名或者密码不能为空");
            }
            else
            {
                log = log + getTime() + "正在向服务器发送连接请求，请稍后...";
                tb_log.Text = log;
                tb_log.ScrollToCaret();
                IPHostEntry remoteHost = Dns.GetHostEntry(tb_goal_ip.Text);
                tcpClient = new TcpClient();
                tcpClient.Connect(remoteHost.HostName, port);    //非同步
                if (tcpClient != null)
                {
                    log = log + getTime() + "连接成功！";
                    tb_log.Text = log;
                    networkStream = tcpClient.GetStream();
                    br = new BinaryReader(networkStream);
                    bw = new BinaryWriter(networkStream);
                }
            }
           
        }

        private void tb_goal_ip_TextChanged(object sender, EventArgs e)
        {

        }

        private void btn_receive_Click(object sender, EventArgs e)
        {
            log = log + getTime() + "接收信息中...";
            tb_log.Text = log;
            string rcvMsgStr = br.ReadString();
            log = log + getTime() + "接收到信息：" + rcvMsgStr;
            tb_log.Text = log;
            tb_log.ScrollToCaret();
        }

        private void btn_stop_Click(object sender, EventArgs e)
        {
            if (bw != null)
            {
                bw.Close();
            }
            if (br != null)
            {
                br.Close();
            }
            if (tcpListener != null)
            {
                tcpListener.Stop();
            }
            if (tcpClient != null)
            {
                tcpClient.Close();
            }
            log = log + getTime() + "已断开与服务器连接";
            log = log + getTime() + "准备就绪，请输入IP后点击开始按钮";
            tb_log.Text = log;
            tb_log.ScrollToCaret();
        }
    }
}

运行截图

学习初期，可能编码实现或者逻辑有些不足，欢迎指正！

猜你喜欢

转载自www.cnblogs.com/robotpaul/p/12463710.html
今日推荐
面壁智能发布 Eurux-8x22B 开源大模型 —— 堪称「理科状元」
开源日报 | 谷歌扶持鸿蒙上位；开源Rabbit R1；Docker加持的安卓手机；微软的焦虑和野心；海尔电器把开放平台关了
中国码农的“35岁魔咒”
蘭雅 CorelDRAW 插件 2024.5.1 国际劳动节版，免费下载
Arc Browser for Windows 1.0 正式 GA
90后程序员开发视频搬运软件、不到一年获利超 700 万，结局很刑！
周排行
【转】spring中对控制反转和依赖注入的理解
tms webcore 安装和使用
java程序员进阶相关书籍
SpringMVC接受请求参数、
如何保存训练好的机器学习模型
MyEclipse、Eclipse设置项目JDK的三个地方
商超行业微信小程序开发定制一般多少钱 （行业技术人员解读）
Markdown编辑器语言——30分钟入门到到精通
Linux系统下MongoDB的简单安装与基本操作
Power Strings
每日归档
更多
2024-05-07(14)
2024-05-06(40)
2024-05-05(0)
2024-05-04(7)
2024-05-03(19)
2024-05-02(0)
2024-05-01(4)
2024-04-30(1)
2024-04-29(40)
2024-04-28(0)

代码天地 © 2018 codetd.com

境外服务器   最新电视剧2022