1 package com;
2
3 import java.io.*;
4 import java.net.Socket;
5
6 /**
7 * Socket Client
8 * <p>
9 * Created by Administrator on 2018/5/2.
10 */
11 public class Client {
12
13 public static void main(String[] args) {
14
15 try {
16
17 // 1.初始化客户端socket连接
18 Socket socket = new Socket("localhost", 8888);
19
20 // 2.client发送消息
21 OutputStream outputStream = socket.getOutputStream();
22 PrintWriter printWriter = new PrintWriter(outputStream);
23 printWriter.write("[name:jim, pwd:123]");
24 printWriter.flush();
25 socket.shutdownOutput();
26
27 // 3.client接收消息
28 InputStream inputStream = socket.getInputStream();
29 InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
30 BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
31 String str;
32 while ((str = bufferedReader.readLine()) != null) {
33 System.out.println("I am Client, now get message from Server:" + str);
34 }
35
36 // 4.关闭资源
37 bufferedReader.close();
38 inputStreamReader.close();
39 inputStream.close();
40
41 printWriter.close();
42 outputStream.close();
43 socket.close();
44
45 } catch (IOException e) {
46 e.printStackTrace();
47 }
48 }
49 }
1 package com;
2
3 import java.io.*;
4 import java.net.ServerSocket;
5 import java.net.Socket;
6
7 /**
8 * Socket Server
9 * <p>
10 * Created by Administrator on 2018/5/2.
11 */
12 public class Server {
13
14 public static void main(String[] args) {
15
16 try {
17
18 // 初始化服务端socket连接，并监听8888端口的socket请求
19 ServerSocket serverSocket = new ServerSocket(8888);
20
21 System.out.println("****** I am Server, now begin to wait the client ******");
22
23 int count = 0;
24
25 // 处理socket请求
26 Socket socket = null;
27 while (true) {
28
29 socket = serverSocket.accept();
30 ServerThread serverThread = new ServerThread(socket);
31 System.out.println("client host address is: " + socket.getInetAddress().getHostAddress());
32 serverThread.start();
33 count++;
34 System.out.println("now client count is: " + count);
35
36 }
37 } catch (IOException e) {
38 e.printStackTrace();
39 }
40 }
41 }
1 package com;
2
3 import java.io.*;
4 import java.net.Socket;
5
6 /**
7 * Created by Administrator on 2018/5/3.
8 */
9 public class ServerThread extends Thread {
10
11 private Socket socket;
12
13 public ServerThread(Socket socket) {
14 this.socket = socket;
15 }
16
17 @Override
18 public void run() {
19
20 InputStream inputStream = null;
21 InputStreamReader inputStreamReader = null;
22 BufferedReader bufferedReader = null;
23 OutputStream outputStream = null;
24 PrintWriter printWriter = null;
25
26 try {
27
28 // server接收消息
29 inputStream = socket.getInputStream();
30 inputStreamReader = new InputStreamReader(inputStream);
31 bufferedReader = new BufferedReader(inputStreamReader);
32
33 String str;
34 if ((str = bufferedReader.readLine()) != null) {
35 System.out.println("I am Server, now get message from Client: " + str);
36 }
37 socket.shutdownInput();
38
39 // server发送消息
40 outputStream = socket.getOutputStream();
41 printWriter = new PrintWriter(outputStream);
42 printWriter.write("[welcome to you!]");
43 printWriter.flush();
44
45 } catch (IOException e) {
46 e.printStackTrace();
47 } finally {
48 // 关闭资源
49 try {
50 if (printWriter != null) {
51 printWriter.close();
52 }
53 if (outputStream != null) {
54 outputStream.close();
55
56 }
57 if (bufferedReader != null) {
58 bufferedReader.close();
59 }
60 if (inputStreamReader != null) {
61 inputStreamReader.close();
62 }
63 if (inputStream != null) {
64 inputStream.close();
65 }
66 if (socket != null) {
67 socket.close();
68 }
69 } catch (IOException e) {
70 e.printStackTrace();
71 }
72 }
73 }
74 }
