C# TCP同步客户端

来源：互联网发布：iwatch软件编辑：程序博客网时间：2024/05/17 22:16
最近在学网络编程
就心血来潮做了一个TCP同步客户端
主要用到了TCPClient知识和回调知识
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;using System.Net.Sockets;using System.Threading;namespace TCP同步客户端{    public partial class Form1 : Form    {        #region 回调        private delegate void ShowMsgCallBack(string Msg);        ShowMsgCallBack showMsgCallBack;        #endregion        #region 字段        TcpClient myTcpClient;        NetworkStream ns;        Thread receiveThread;        #endregion        #region 窗体事件        public Form1()        {            InitializeComponent();        }        private void Form1_Load(object sender, EventArgs e)        {            showMsgCallBack = new ShowMsgCallBack(ShowMsg);        }        #endregion        #region 控件事件                private void btnRequest_Click(object sender, EventArgs e)//请求连接        {            IPEndPoint ipEndPoint = new IPEndPoint(IPAddress.Parse(txtIP.Text), Convert.ToInt32(txtPort.Text));            myTcpClient = new TcpClient();            try            {                //发起TCP连接                myTcpClient.Connect(ipEndPoint);                //获得绑定的网络数据流                ns = myTcpClient.GetStream();                //实例化并启动接受消息线程                receiveThread = new Thread(ReceiveMsg);                receiveThread.Start();                //修改控件状态                btnRequest.Enabled = false;                btnBreak.Enabled = true;                btnSend.Enabled = true;            }            catch(Exception ex)            {                MessageBox.Show(ex.Message);            }        }                private void btnBreak_Click(object sender, EventArgs e)//断开连接        {            //断开TCP连接            myTcpClient.Close();            //销毁绑定的网络数据流            ns.Dispose();            //销毁接受消息的线程            receiveThread.Abort();            //修改控件状态            btnRequest.Enabled = true;            btnBreak.Enabled = false;            btnSend.Enabled = false;        }        private void btnSend_Click(object sender, EventArgs e)//发送消息        {            //将要发送的文本转换为字符数组形式            byte[] sendData = Encoding.Default.GetBytes(txtsend.Text);            //将数据写入到网络数据流中            ns.Write(sendData, 0, sendData.Length);        }        #endregion        #region 线程        private void ReceiveMsg()        {            while (true)            {                try                {                    //创建接受数据的字节流                    byte[] getData = new byte[1024];                    //从网络流中读取数据                    ns.Read(getData, 0, getData.Length);                    //将字节数组转换成文本形式                    string getMsg = Encoding.Default.GetString(getData);                    //将消息添加到接受消息列表中                    lstMessage.Invoke(showMsgCallBack, getMsg);                }                catch (ThreadAbortException)                {                    //捕捉到线程被终止异常则表示是人为的断开TCP连接                    //不弹出错误提示                }                catch (Exception e)                {                    //接受消息发生异常                    MessageBox.Show(e.Message);                    //并释放相关资源                    if (ns != null)                        ns.Dispose();                    break;                }            }        }        #endregion        #region 回调        private void ShowMsg(string msg)        {            lstMessage.Items.Add(msg);        }        #endregion    }   }
在自己电脑上做测试时，可以把IP设置为127.0.0.1 端口随便设置一个没被占用的就行
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