标签:Java Socket 编程 public IOException new out port socket
文章目录
服务器端(单线程)
public class MySocketServer1 {
private int port;
private ServerSocket serverSocket;
DataInputStream in;
DataOutputStream out;
public MySocketServer1(int port) throws IOException {
this.port = port;
serverSocket = new ServerSocket(port);
}
public void start() throws IOException {
Socket socket = null;
for (; ; ) {
try {
if (socket == null) socket = serverSocket.accept();
in = new DataInputStream(socket.getInputStream());
System.out.println("收到: " + socket.getInetAddress().getHostAddress() + "\n消息: " + in.readUTF() + "\n");
out = new DataOutputStream(socket.getOutputStream());
out.writeUTF("服务器已收到");
} catch (Exception e) {
e.printStackTrace();
if (socket != null) {
socket.close();
socket = null;
}
}
}
}
public static void main(String[] args) throws IOException {
new MySocketServer1(4399).start();
}
}
服务器端(多线程)
public class MySocketServer2 implements Runnable {
private int port;
private ServerSocket serverSocket;
DataInputStream in;
DataOutputStream out;
ExecutorService executorService = Executors.newFixedThreadPool(2);
public MySocketServer2(int port) throws IOException {
this.port = port;
serverSocket = new ServerSocket(port);
}
public void start() throws IOException {
executorService.execute(this);
executorService.execute(this);
}
@Override
public void run() {
Socket socket = null;
for (; ; ) {
try {
if (socket == null) socket = serverSocket.accept();
in = new DataInputStream(socket.getInputStream());
System.out.println("收到: " + socket.getInetAddress().getHostAddress() + "\n消息: " + in.readUTF() + "\n");
out = new DataOutputStream(socket.getOutputStream());
out.writeUTF("服务器已收到");
} catch (Exception e) {
e.printStackTrace();
if (socket != null) {
try {
socket.close();
} catch (IOException ioException) {
ioException.printStackTrace();
}
socket = null;
}
}
}
}
public static void main(String[] args) throws IOException {
new MySocketServer2(4399).start();
}
}
客户端
public class MySocketClient1 {
private int port;
Socket client;
DataInputStream in;
DataOutputStream out;
public MySocketClient1(int port) throws IOException {
this.port = port;
client = new Socket("127.0.0.1", port);
}
public void start() throws IOException, InterruptedException {
int n = 0;
for (int i = 0; i < 3; i++) {
out = new DataOutputStream(client.getOutputStream());
out.writeUTF("hello" + " " + n++);
in = new DataInputStream(client.getInputStream());
System.out.println("收到: " + client.getRemoteSocketAddress() + "\n消息: " + in.readUTF() + "\n");
Thread.sleep(2000);
}
client.close();
}
public static void main(String[] args) throws IOException, InterruptedException {
new MySocketClient1(4399).start();
}
}
标签:Java,Socket,编程,public,IOException,new,out,port,socket 来源: https://blog.csdn.net/zhq9695/article/details/120364662
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