JavaSE——TCP網絡編程（二），javasetcp網絡編程

JavaSE——TCP網絡編程（二），javasetcp網絡編程

實現服務端與客戶端簡單的通信；

package 網絡編程;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Scanner;


public class Server1 {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);

        try {
            @SuppressWarnings("resource")
            ServerSocket server = new ServerSocket(9880);
            while (true){
                 Socket client = server.accept();
                 System.out.println("來自"+ client.getInetAddress().getHostAddress()+"的客戶端已連接成功！");
                 if(client != null){
                     //開始對話
                     OutputStream os = client.getOutputStream();//從 client 獲取一個輸出字節流
                        PrintWriter pw = new PrintWriter(new BufferedWriter(new OutputStreamWriter(os)));
                        System.out.print("我說：");
                        String serverMsg = input.nextLine();
                        pw.println(serverMsg); //發送 serverMsg 給客戶端
                        pw.flush();
                        
                        //服務端讀取客戶端發送來的信息
                        InputStream is = client.getInputStream();  //獲取來自 客戶端的字節流
                        //讀取字節流（字節流轉換成字符流）帶緩沖
                        BufferedReader reader = new BufferedReader(new InputStreamReader(is));
                        String msg = reader.readLine(); //每次讀取一行信息
                        System.out.print("客戶端說："+msg);
                        
                         
                 }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        
        
        input.close();

    }

}

package 網絡編程;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Scanner;


public class Client1 {

    public static void main(String[] args) {
        @SuppressWarnings("resource")
        Scanner input = new Scanner(System.in);
        try {
            @SuppressWarnings("resource")
            Socket client = new Socket("127.0.0.1",9880);
            //通過socket獲得輸入流
            InputStream is = client.getInputStream();  
            //將輸入字節流轉換成字符流並緩沖
            BufferedReader reader= new BufferedReader(new InputStreamReader(is));
            //讀取輸入流
            String msg = reader.readLine();
            //打印來自服務端的信息
            System.out.println("服務端說："+msg);
            
            //向服務端發送消息
            
            System.out.print("我說：");
　　　　　　　//輸入要向服務端發送的信息
            String clientMsg = input.nextLine();
             //獲得輸出字節流
             OutputStream os = client.getOutputStream();//
　　　　　　　　//將輸出字節流轉換為字節流加緩沖（緩沖後的為字符流）寫入打印流
                PrintWriter pw = new PrintWriter(new BufferedWriter(new OutputStreamWriter(os)));
                pw.println(clientMsg); //將打印流裡的文本信息發送 clientMsg 給服務端
                pw.flush();
            
            
       
        } catch (UnknownHostException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }

}

Output：