工作期间员工花钱做的网站,wordpress文章内容乱码,郑州做网站易云巢,免费追剧软件appTcp与Ip协议的客户端和服务器编程 本文就TCP和Ip协议的客户端和服务器分别进行编程#xff0c;实现了客户端和服务端进行通信的功能#xff0c;服务端对多个客户端进行监听#xff0c;并能与多个客户端通信。 服务器端代码如下#xff1a; using System;
using System.Coll…Tcp与Ip协议的客户端和服务器编程 本文就TCP和Ip协议的客户端和服务器分别进行编程实现了客户端和服务端进行通信的功能服务端对多个客户端进行监听并能与多个客户端通信。 服务器端代码如下 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 服务端
{public partial class Form1 : Form{public Form1(){InitializeComponent();}private void Form1_Load(object sender, EventArgs e){Control.CheckForIllegalCrossThreadCalls false;}/// summary/// 获取本机IP地址/// /summary/// returns返回一个IP/returnsprivate string GetIpAddress(){string hostName Dns.GetHostName();//获取本机名IPHostEntry localhost Dns.GetHostByName(hostName);//方法已过期了只能得到一个IPV4的地址IPAddress localaddr localhost.AddressList[0];return localaddr.ToString();}private void btnStart_Click(object sender, EventArgs e){try{//当点击开始监听时在服务器端创建一个负责监听IP地址和端口号的Socket//IP V4,流式服务TCP协议Socket socketWatch new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);IPAddress ip IPAddress.Any; //IPAddress.Parse(txtServer.Text);我的理解是获取本机IPtxtServer.Text GetIpAddress();//将IP地址给文本//创建端口号对象IPEndPoint point new IPEndPoint(ip, Convert.ToInt32(txtPort.Text));//监听socketWatch.Bind(point);ShowMsg(监听成功);socketWatch.Listen(10);//一次监听10 人///创建一个线程来监听否则没监听时就卡死了Thread th new Thread(Listen);th.IsBackground true;th.Start(socketWatch);}catch { }}Dictionarystring, Socket dicSock new Dictionarystring, Socket();//创建键值对来存放IP和socketSocket socketSend;void Listen(object o)//必须用object类型 因为线程要使用{Socket socketWatch o as Socket;//将传递过来的参数转换为Socket类型while (true){try{//等待客户端的连接 并且创建一个负责通信的SocketsocketSend socketWatch.Accept();//获得远端 IP端口号连接成功ShowMsg(socketSend.RemoteEndPoint.ToString() : 连接成功);dicSock.Add(socketSend.RemoteEndPoint.ToString(), socketSend);//将IP地址添加到下拉列表中comboBox1.Items.Add(socketSend.RemoteEndPoint.ToString());Thread th new Thread(ReciveMsg);//在线程中只写方法名括号和里面的参数不写在这里th.IsBackground true;//写为后台线程这样关闭窗口时线程就关闭了否则关闭不了会报错th.Start(socketSend);}catch{ }}}/// summary/// 用来接收客户端发送来的信息线程来调用他/// /summary/// param nameo/paramvoid ReciveMsg(object o){Socket socketSend o as Socket;while (true){try{//连接成功之后客户端就要给服务端发送数据了byte[] buffer new byte[1024 * 1024 * 2];int r socketSend.Receive(buffer);//实际接收到的有效字符if (r 0){break;}string str Encoding.UTF8.GetString(buffer, 0, r);ShowMsg(socketSend.RemoteEndPoint : str);}catch { }}}/// summary/// 在上面一个文本框中显示信息的方法/// /summary/// param namestr/paramvoid ShowMsg(string str){txtLOg.AppendText(str \r\n);//写AppendText追加不然会覆盖}/// summary/// 服务端给客户端发送消息/// /summary/// param namesender/param/// param namee/paramprivate void button4_Click(object sender, EventArgs e){try{if (comboBox1.Text ){MessageBox.Show(请选中一个客户端地址再发送消息, 谢谢);}string str textBox4.Text;textBox4.Clear();byte[] buffer System.Text.Encoding.UTF8.GetBytes(str);Listbyte list new Listbyte();list.Add(0);list.AddRange(buffer);byte[] newbuffer list.ToArray();string ip comboBox1.SelectedItem.ToString();dicSock[ip].Send(newbuffer);//通过键IP地址找到值socketSend //socketSend.Send(buffer);}catch{ }}private void button2_Click(object sender, EventArgs e){if (comboBox1.Text ){MessageBox.Show(请选择一个客户端IP地址再选择要发送的文件, 提示);}else{OpenFileDialog ofd new OpenFileDialog();ofd.Title 请选择要发送的文件;ofd.InitialDirectory C:\Users\Administrator\Desktop;ofd.Filter 所有文件|*.*;ofd.ShowDialog();textBox5.Text ofd.FileName;//获得选中的一个文件名}}/// summary/// 发送文件/// /summary/// param namesender/param/// param namee/paramprivate void button3_Click(object sender, EventArgs e){try{//发送文件string path textBox5.Text;using (FileStream fsRead new FileStream(path, FileMode.Open, FileAccess.Read)){byte[] buffer new byte[1024 * 1024 * 5];int r fsRead.Read(buffer, 0, buffer.Length);Listbyte list new Listbyte();list.Add(1);list.AddRange(buffer);byte[] newbuffer list.ToArray();//int r fsRead.Read(newbuffer , 0, newbuffer.Length);//实际读取的有效字节dicSock[comboBox1.SelectedItem.ToString()].Send(newbuffer, 0, r 1, SocketFlags.None);}}catch { }}///让客户端震动private void button5_Click(object sender, EventArgs e){try{if (comboBox1.Text ){MessageBox.Show(请选择一个客户端IP地址再震动, 提示);}else{byte[] buffer new byte[1];buffer[0] 2;dicSock[comboBox1.SelectedItem.ToString()].Send(buffer);}}catch { }}}
} 客户端代码如下 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 客户端
{public partial class Form1 : Form{public Form1(){InitializeComponent();}Socket socketConnect new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);private void button1_Click(object sender, EventArgs e){try{//建立负责通讯的Socketif (textBox1.Text || textBox2.Text ){MessageBox.Show(IP地址或者端口号不能为空, 去你大爷的);}IPAddress ip IPAddress.Parse(textBox1.Text);IPEndPoint point new IPEndPoint(ip, Convert.ToInt32(textBox2.Text));socketConnect.Connect(point);ShowMsg(连接成功);Thread th new Thread(Receive);th.IsBackground true;th.Start();}catch { }}void ShowMsg(string str){textBox3.AppendText(str \r\n);}private void button2_Click(object sender, EventArgs e){try{//客户端要给服务器发送消息string str textBox4.Text.Trim();//Trim()就是把所写内容前后空格去除byte[] buffer Encoding.UTF8.GetBytes(str);//System.Text.Encoding.UTF8.GetBytes(str);socketConnect.Send(buffer);textBox4.Clear();}catch { }}///写一个不断接收服务端发过来的消息的方法创建线程来调用他void Receive(){try{while (true)//不停的接收{byte[] buffer new byte[1024 * 1024 * 3];int r socketConnect.Receive(buffer);//实际接收到的有效字节数if (r 0){break;}if (buffer[0] 0)//接收到文字{string str Encoding.UTF8.GetString(buffer, 1, r - 1);ShowMsg(socketConnect.RemoteEndPoint : str);}else if (buffer[0] 1){//接收的是文件SaveFileDialog ofd new SaveFileDialog();//保存对话框
ofd.Title 请选择保存文件的路径;ofd.InitialDirectory C:\Users\Administrator\Desktop;ofd.Filter 所有文件|*.*;ofd.ShowDialog(this);string path ofd.FileName;using (FileStream fsWrite new FileStream(path, FileMode.OpenOrCreate, FileAccess.Write)){fsWrite.Write(buffer, 1, r - 1);}MessageBox.Show(保存成功, kao);}else if(buffer [0]2){ZD();}}}catch { }}
/// summary
/// 写个方法来使窗体震动
/// /summaryvoid ZD(){for (int i 0; i 500; i){this.Location new Point(200 , 200);this.Location new Point(280 , 280);}}private void Form1_Load(object sender, EventArgs e){Control.CheckForIllegalCrossThreadCalls false;}}
} 转载于:https://www.cnblogs.com/xiaoyaohan/p/9755748.html
