怎么建设一个营销型网站,手机软件开发和网站开发,公司网站开发费用账务处理,用织梦做网站都需要用什么需要提前了解的Socket知识点#xff1a;
Client端输入的IP都是Server所在电脑的IPServer最好设置0.0.0.0这样无论迁移到哪个电脑上#xff0c;都是那台电脑的IPClient和Server必须在同一个局域网之下#xff0c;否则不能通信#xff1b;如果要实现跨局域网通信#xff0c…需要提前了解的Socket知识点
Client端输入的IP都是Server所在电脑的IPServer最好设置0.0.0.0这样无论迁移到哪个电脑上都是那台电脑的IPClient和Server必须在同一个局域网之下否则不能通信如果要实现跨局域网通信需要使用公网IP通过阿里云等
整个聊天室的代码分为两个模块
Server服务器模块只能有一个用来存储监听用户发送的内容Client客户模块可以有多个各个用户直接进行收发信息
以下是Server代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading.Tasks;namespace Server
{class Program{static Socket socket null;static void Main(string[] args){socket new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);socket.Bind(new IPEndPoint(IPAddress.Parse(0.0.0.0), 60000));socket.Listen(10);Console.WriteLine(已启动侦听);Task.Run(Connect);Console.ReadLine();}static ListSocket socketPool new ListSocket();static Socket acceptSocket null;static void Connect(){while (true){try{acceptSocket socket.Accept();var receiveSocket acceptSocket;Console.WriteLine($已接受连接{receiveSocket.RemoteEndPoint});socketPool.Add(receiveSocket);Task.Run(Receive);}catch (Exception ex){Console.WriteLine($连接失败{ex.Message});}}}static void Receive(){var receiveSocket acceptSocket;while (true){if (receiveSocket null) continue;if (!receiveSocket.Connected) continue;try{byte[] buffer new byte[1024];var len receiveSocket.Receive(buffer);if (len 1) continue;var msg Encoding.UTF8.GetString(buffer, 0, len);Console.WriteLine($来自 {receiveSocket.RemoteEndPoint} 的消息 {msg});var responseBuffer Encoding.UTF8.GetBytes($来自{receiveSocket.RemoteEndPoint} 的消息{msg});// receiveSocket.Send(responseBuffer);//清理失效的连接for (int i socketPool.Count - 1; i 0; i--){if (socketPool[i] null || !socketPool[i].Connected){socketPool.RemoveAt(i);}}//广播消息除了发送消息方之外的全部广播foreach (var s in socketPool){if (s ! receiveSocket){s.Send(responseBuffer);}}buffer null;}catch (Exception ex){Console.WriteLine(ex.Message \n);}}}}
}以下是Client代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;/// summary
/// 客户端
/// /summary
namespace WpfApp1
{/// summary/// MainWindow.xaml 的交互逻辑/// /summarypublic partial class MainWindow : Window{Socket socket null;public MainWindow(){InitializeComponent();btnConnect.Click btnConnect_Click;btnSend.Click btnSend_Click;Task.Run(Receive);}private void btnConnect_Click(object sender, RoutedEventArgs e){if (socket ! null socket.Connected){ShowMessage($无需重复连接);return;}try{socket new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);ShowMessage($LocalEndPoint{socket.LocalEndPoint},RemoteEndPoint{socket.RemoteEndPoint});var ipEndPoint new IPEndPoint(IPAddress.Parse(txtIP.Text), int.Parse(txtPort.Text));socket.Connect(ipEndPoint);if (socket.Connected){ShowMessage($成功连接到{socket.RemoteEndPoint});}}catch (Exception ex){ShowMessage($连接失败{ex.Message});socket null;}}private void btnSend_Click(object sender, RoutedEventArgs e){if (!socket.Connected){ShowMessage($未连接无法发送);return;}try{if (rtxtSend.Text ! ){var buffer Encoding.UTF8.GetBytes(rtxtSend.Text);socket.Send(buffer);ShowMessage($发送到{socket.RemoteEndPoint},消息{rtxtSend.Text});}rtxtSend.Text null;}catch (Exception ex){ShowMessage($发送失败{socket.RemoteEndPoint},{ex.Message});socket null;}}private void Receive(){while (true){if (socket null) continue;if (!socket.Connected) continue;try{byte[] buffer new byte[1024];if (buffer ! null){int len socket.Receive(buffer);if (len 1) continue;string msg Encoding.UTF8.GetString(buffer, 0, len);ShowMessage(msg);}buffer null;}catch (Exception ex){ShowMessage(ex.Message \n);socket null;}}}private void ShowMessage(string msg){///这是Winform的用法//子线程调用 //if (rtxtLog.InvokeRequired) //c#中禁止跨线程直接访问控件InvokeRequired是为了解决这个问题而产生的//{// rtxtLog.Invoke(new Action(() rtxtLog.Text msg \n));//}//主线程调用//else//{// rtxtLog.Text msg \n;//}if (!CheckAccess()) //WPF使用Dispatcher控制对消息泵的访问而不是让每个控件负责访问UI线程。{Dispatcher.Invoke(new Action(() rtxtLog.Text msg \n));}//主线程调用else{rtxtLog.Text msg \n;}}}
}
