clientmidlet2.java

这是郭克华老师的J2ME视频的源代码

package prj18_1;
//客户端
import java.io.DataInputStream;
import java.io.DataOutputStream;

import javax.microedition.io.Connector;
import javax.microedition.io.SocketConnection;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;

public class ClientMIDlet2 extends MIDlet {
	
	protected void startApp() throws MIDletStateChangeException {
		try{
			SocketConnection sc = 
				(SocketConnection)Connector.open("socket://127.0.0.1:9999");//连接到服务器端，连接成功，返回SocketConnection充当通信桥梁
			/*以后就可以通过sc与服务器端通信*/
			DataOutputStream dos = sc.openDataOutputStream();
			//送出去一个“你好”
			dos.writeUTF("你好");
			
			DataInputStream dis = sc.openDataInputStream();
			String msg = dis.readUTF();
			System.out.println(msg);
			
		}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

	}



}