TCP
客戶(hù)端：
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import java.io.BufferedReader;import java.io.InputStreamReader;import java.io.PrintWriter;import java.net.Socket;public class MyClient { public static void main(String[] args) throws Exception{ Socket socket = null; BufferedReader in = null; PrintWriter out = null; BufferedReader input = null; // 請(qǐng)求指定ip和端口號(hào)的服務(wù)器 socket = new Socket("127.0.0.1",3333); while(true){ in = new BufferedReader(new InputStreamReader(socket.getInputStream())); out = new PrintWriter(socket.getOutputStream(), true); // 接收控制臺(tái)的輸入 input = new BufferedReader(new InputStreamReader(System.in)); // out.println("this is client info!"); String info = input.readLine(); out.println(info); String str = in.readLine(); System.out.println("客戶(hù)端顯示--》服務(wù)器的信息：" + str); } //in.close(); //out.close(); }} |
服務(wù)端：
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import java.io.BufferedReader;import java.io.InputStreamReader;import java.io.PrintWriter;import java.net.ServerSocket;import java.net.Socket;public class MyServices { public static void main(String[] args) throws Exception{ ServerSocket ss = null; Socket socket = null; BufferedReader in = null; PrintWriter out = null; BufferedReader input = null; // 監(jiān)聽(tīng)3333端口 ss = new ServerSocket(3333); // 等待接收客戶(hù)端的請(qǐng)求 socket = ss.accept(); while(true){ // 獲取連接對(duì)象的輸入流 in = new BufferedReader(new InputStreamReader(socket.getInputStream())); // 獲取客戶(hù)端的輸入信息 String str = in.readLine(); input = new BufferedReader(new InputStreamReader(System.in)); System.out.println("服務(wù)器顯示-->客戶(hù)端輸入數(shù)據(jù)：" + str); out = new PrintWriter(socket.getOutputStream(),true); // 將數(shù)據(jù)輸出到客戶(hù)端 // out.println("hehe"); String info = input.readLine(); out.println(info); }// in.close();// out.flush();// out.close(); }} |
UDP
客戶(hù)端：
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import java.net.DatagramPacket;import java.net.DatagramSocket;public class UDPClient { public static void main(String[] args) throws Exception { DatagramSocket ds = null; DatagramPacket dp = null; byte[] buf = new byte[1024]; ds = new DatagramSocket(3333); dp = new DatagramPacket(buf, 1024); // 接收數(shù)據(jù)，放入數(shù)據(jù)報(bào) ds.receive(dp); // 從數(shù)據(jù)報(bào)中取出數(shù)據(jù) String info = new String(dp.getData(),0, dp.getLength()); System.out.println("接收到的信息是：" + info); }} |
服務(wù)端：
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import java.net.DatagramPacket;import java.net.DatagramSocket;import java.net.InetAddress;public class UDPServer { public static void main(String[] args) throws Exception { DatagramSocket ds = null; DatagramPacket dp = null; // 構(gòu)建發(fā)送對(duì)象 ds = new DatagramSocket(); // 將數(shù)據(jù)打包-->打成數(shù)據(jù)報(bào) String info = "hello world!"; dp = new DatagramPacket(info.getBytes(), info.length(), InetAddress.getByName("localhost"),3333); // 發(fā)出數(shù)據(jù)報(bào) ds.send(dp); }} |
以上這篇淺談java的TCP和UDP編程(附實(shí)例講解)就是小編分享給大家的全部?jī)?nèi)容了，希望能給大家一個(gè)參考，也希望大家多多支持服務(wù)器之家。
