socket进行简单聊天
简单聊天:UDP实现
发送端代码
package com.wangjie.chat;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetSocketAddress;
import java.net.SocketException;
public class UdpSenderDemo01 {
public static void main(String[] args) throws Exception {
DatagramSocket socket = new DatagramSocket(9999);
// 准备数据,控制台读取system.in
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
while (true) {
String data = reader.readLine();
byte[] datas = data.getBytes();
DatagramPacket packet = new DatagramPacket(datas, 0, datas.length, new InetSocketAddress("localhost", 6666));
socket.send(packet);
if (data.equals("bye")) {
break;
}
}
socket.close();
}
}
发送端调用代码:
package com.wangjie.chat;
public class TalkStudent {
public static void main(String[] args) {
// 开启两个线程
new Thread(new TalkSend(7777,"localhost",9899)).start();
new Thread(new TalkReceive(8890,"老师")).start();
}
}
接收端代码:
package com.wangjie.chat;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.SocketException;
public class UdpReceiveDemo01 {
public static void main(String[] args) throws Exception {
DatagramSocket socket = new DatagramSocket(6666);
while (true) {
// 准备接收包裹
byte[] container = new byte[1024];
DatagramPacket packet = new DatagramPacket(container,0,container.length);
socket.receive(packet); // 阻塞式接收包裹
// 断开连接
byte[] data = packet.getData();
String receiveData = new String(data, 0, data.length);
System.out.println(receiveData);
if (receiveData.equals("bye")) {
break;
}
}
socket.close();
}
}
接收端调用代码:
package com.wangjie.chat;
public class TalkTeacher {
public static void main(String[] args) {
new Thread(new TalkSend(5555,"localhost",8890)).start();
new Thread(new TalkReceive(9899,"学生")).start();
}
}