ServerSoket/Socket聊天簡單實現V1(單線程，一個客戶端對一個服務器，客戶端單向發送，服務器被動接收)

package communication;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;

/**

• @author Dylaniou
• 需要先啓動服務器
  */
  public class Server {
  static ServerSocket serverSocket = null;
  static int port = 18000;
  static Socket socket = null;
  public static void main(String[] args) throws IOException {
  serverSocket = new ServerSocket(port);
  System.out.println(“服務器啓動成功，等待客戶端請求”);
  socket = serverSocket.accept();
  System.out.println(“收到客戶端請求”);
  BufferedReader br = new BufferedReader(new InputStreamReader(socket.getInputStream()));
  String line = null;
  while((line = br.readLine())!=null){
  System.out.println(“客戶端：” + line);
  }
  }
  }

package communication;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.Socket;
import java.net.UnknownHostException;

/**

• @author Dylaniou
• 需要先啓動服務器
  */
  public class Client {
  static Socket socket = null;
  static int port = 18000;
  public static void main(String[] args) throws UnknownHostException, IOException {
  socket = new Socket(“localhost”,port);
  System.out.println(“客戶端成功建立socket連接”);
  //發送命令行消息給服務器
  //將命令行字節輸入流轉換爲字符輸入流，利用緩衝字符輸入流讀取命令行消息
  BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
  //將socket字節輸出流轉換爲字符輸出流，利用緩衝字符輸出流輸出命令行消息
  BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
  String line =null;
  while((line = br.readLine())!=null){
  bw.write(line);
  bw.newLine();//注意：用於終止輸出行，不然命令行輸入再多內容也無法發送出去
  bw.flush();
  System.out.println(“客戶端：” + line);
  }
  }
  }