servermidlet2.java

这是郭克华老师的J2ME视频的源代码

package prj18_1;

import java.io.DataInputStream;
import java.io.DataOutputStream;

import javax.microedition.io.Connector;
import javax.microedition.io.ServerSocketConnection;
import javax.microedition.io.SocketConnection;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;
//服务器端
public class ServerMIDlet2 extends MIDlet {
	
	protected void startApp() throws MIDletStateChangeException {
		try{
			ServerSocketConnection ssc = 
				(ServerSocketConnection)Connector.open("socket://:9999");//监听9999端口
			SocketConnection sc = (SocketConnection)ssc.acceptAndOpen();	//等待客户端连接,如果有客户端连上，返回SocketConnection充当通信桥梁
			/*以后就可以通过sc与客户端通信*/
			System.out.println("客户端：" + sc.getAddress());
			/*接受客户端送来的字符串*/
			DataInputStream dis = sc.openDataInputStream();
			String msg = dis.readUTF();
			System.out.println(msg);
			
			DataOutputStream dos = sc.openDataOutputStream();
			dos.writeUTF("欢迎您连接服务器");

		}catch(Exception ex){
			ex.printStackTrace();
		}


	}
	
	protected void destroyApp(boolean arg0) throws MIDletStateChangeException {
		// TODO Auto-generated method stub

	}
	protected void pauseApp() {
		// TODO Auto-generated method stub

	}



}