网络编程-TCP协议（客户端和服务端）

package com.hidata.devops.paas.udp;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;
/**
 * @Description :
 * @Date: 2023-09-25 15:21
 */
public class TCPserver {
    public static void main(String[] args) throws IOException {
        //TCP协议，服务端，接收数据
        //1、创建服务端ServerSocket对象
        ServerSocket serverSocket = new ServerSocket(10000);
        //2、监听客户端的连接
        Socket socket = serverSocket.accept();
        //3、从连接通道中获取输入流读取数据
        InputStream inputStream = socket.getInputStream();
        int b;
        while ((b = br.read()) != -1){
            System.out.print((char)b);
        }
        //4、释放资源
        socket.close();
        serverSocket.close();
    }
}

package com.hidata.devops.paas.udp;
import java.io.IOException;
import java.io.OutputStream;
import java.net.Socket;
/**
 * @Description :
 * @Date: 2023-09-25 15:21
 */
public class TCPclient {
    public static void main(String[] args) throws IOException {
        //TCP协议，客户端，发送数据
        //1、创建socket对象，
        //细节：在创建对象的同时，会连接服务器，如果连接不上，代码会报错
        Socket socket = new Socket("127.0.0.1",10000);
        //2、从连接通道中获取输出流对象
        OutputStream os = socket.getOutputStream();
        os.write("你好".getBytes());
        //3、释放资源
        os.close();
        socket.close();
    }
}

package com.hidata.devops.paas.udp;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;
/**
 * @Description :
 * @Date: 2023-09-25 15:21
 */
public class TCPserver {
    public static void main(String[] args) throws IOException {
        //TCP协议，服务端，接收数据
        //1、创建服务端ServerSocket对象
        ServerSocket serverSocket = new ServerSocket(10000);
        //2、监听客户端的连接
        Socket socket = serverSocket.accept();
        //3、从连接通道中获取输入流读取数据
        InputStream inputStream = socket.getInputStream();
        //字节流转为字符流，解决中文乱码问题
        InputStreamReader isr = new InputStreamReader(inputStream);
        BufferedReader br = new BufferedReader(isr);
        int b;
        while ((b = br.read()) != -1){
            System.out.print((char)b);
        }
        //4、释放资源
        socket.close();
        serverSocket.close();
    }
}