clientdemo.java

互联网多人联机对垒游戏-分服务端、客户端

import java.net.Socket;
import java.io.InputStreamReader;
import java.io.BufferedReader;
import java.io.PrintStream;
import java.io.IOException;
class ClientDemo{
	public static void main(String[] args){
		int serverPort;
		String serverHost;
		Socket cSocket=null;
		BufferedReader reader=null;
		PrintStream writer=null;
		String receiveMsg;
		String msg="This is the message from the client.";
		try{
			serverPort=6000;
			serverHost="168.23.8.50";
			cSocket=new Socket(serverHost,serverPort);
			reader=new BufferedReader(new InputStreamReader(cSocket.getInputStream()));
			writer=new PrintStream(cSocket.getOutputStream());
			//先接收服务器发送过来的Hello信息
			receiveMsg=reader.readLine();
			System.out.println(receiveMsg);
			//再向服务器发送信息
			writer.println(msg);
			//关闭套接字,然后退出.
			reader.close();
			writer.close();
			cSocket.close();
		}
		catch(IOException e){
			System.out.println("创建套接字、输入输出流或网络IO出错:"+e);
			try{
				if(reader!=null) reader.close();
				if(writer!=null) writer.close();
				if(cSocket!=null) cSocket.close();
			}catch(IOException e2){}
		}
	}
}