Java網絡編程篇一《簡單CS通信》

package network;
import java.io.IOException;
/**
 * @function : 入口文件
 * @author   :jy
 * @company  :萬里網
 * @date     :2011-6-29
 */
public class SocketMainTest {
/**
* @param args
* @throws IOException 
*/
public static void main(String[] args) throws IOException {
if(args.length > 0){
new ServerSocketP().run();
}else{
new ClientSocketP().send();
}
}

}

package network;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;


/**
 * @function : 服務器端，當接收到客戶端請求後，發送並接收數據，最後關閉連接與服務器。
 * @author   :jy
 * @company  :萬里網
 * @date     :2011-6-29
 */
public class ServerSocketP {
public void run() throws IOException{
java.net.ServerSocket server = new java.net.ServerSocket(6000);

Socket client = server.accept();
OutputStream o = client.getOutputStream();
InputStream in = client.getInputStream();

o.write("hello, this server send".getBytes());

byte[] b = new byte[100];
int len = in.read(b);

System.out.println(new String(b, 0, len));

o.close();
in.close();
client.close();
server.close();
}
}

package network;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.Socket;
/**
 * @function : 客戶端，請求服務器端後發送並接收數據，最後關閉與服務器連接。
 * @author   :jy
 * @company  :萬里網
 * @date     :2011-6-29
 */
public class ClientSocketP {
public void send() throws IOException{
Socket client = new Socket(InetAddress.getByName("localhost"), 6000);

OutputStream out = client.getOutputStream();
InputStream in = client.getInputStream();

byte[] b = new byte[100];
int len = in.read(b);
System.out.println(new String(b, 0, len));

out.write("this is client".getBytes());
out.close();
in.close();
client.close();
}
}