Java Socket编程关键代码详解

Java Socket编程如何才能更好的进行相关代码的学习，当然我们只有不断的研究才能更好的使用。下面我们就详细的学习下。

Java Socket编程在我们编程序的时候有很广泛的应用，在应用的时候我们就会遇到不少的障碍。下面我们就看看如何才能更好的进行相关问题的学习。希望大家看完下面的代码对JavaSocket编程有所收获。

package sterning;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.*;
import java.util.concurrent.*;
public class MultiThreadServer {
private int port=8821;
private ServerSocket serverSocket;
private ExecutorService executorService;//线程池
private final int POOL_SIZE=10;//单个CPU线程池大小
public MultiThreadServer() throws IOException{
serverSocket=new ServerSocket(port);
//Runtime的availableProcessor()方法返回当前系统的CPU数目.
executorService=Executors.newFixedThreadPool
(Runtime.getRuntime().availableProcessors()*POOL_SIZE);
System.out.println("服务器启动");
}
public void service(){
while(true){
Socket socket=null;
try {
//接收客户连接,只要客户进行了连接,就会触发accept();从而建立连接
socket=serverSocket.accept();
executorService.execute(new Handler(socket));
} catch (Exception e) {
e.printStackTrace();
}
}
}
public static void main(String[] args) throws IOException {
new MultiThreadServer().service();
}
}
class Handler implements Runnable{
private Socket socket;
public Handler(Socket socket){
this.socket=socket;
}
private PrintWriter getWriter(Socket socket) throws
IOException{
OutputStream socketsocketOut=socket.getOutputStream();
return new PrintWriter(socketOut,true);
}
private BufferedReader getReader(Socket socket) throws
IOException{
InputStream socketsocketIn=socket.getInputStream();
return new BufferedReader(new InputStreamReader
(socketIn));
}
public String echo(String msg){
return "echo:"+msg;
}
public void run(){
try {
System.out.println("New connection accepted "+
socket.getInetAddress()+":"+socket.getPort());
BufferedReader br=getReader(socket);
PrintWriter pw=getWriter(socket);
String msg=null;
while((msg=br.readLine())!=null){
System.out.println(msg);
pw.println(echo(msg));
if(msg.equals("bye"))
break;
}
} catch (IOException e) {
e.printStackTrace();
}finally{
try {
if(socket!=null)
socket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}

以上就是对Java Socket编程的相关代码介绍。

转载地址：http://developer.51cto.com/art/201003/189354.htm