Server:
package demo1;
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.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.TextField;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;
public class SocketServer extends MIDlet implements CommandListener{
private ServerSocketConnection ssc = null;
private SocketConnection sc = null;
private DataInputStream dis = null;
private DataOutputStream dos = null;
private TextField tfMsg = new TextField("输入聊天信息","",255,TextField.ANY);
private Command cmdSend = new Command("发送",Command.SCREEN,1);
private Form frmChat = new Form("聊天界面");
private Display display;
protected void startApp() throws MIDletStateChangeException {
display = Display.getDisplay(this);
display.setCurrent(frmChat);
frmChat.addCommand(cmdSend);
frmChat.append(tfMsg);
frmChat.setCommandListener(this);
try{
ssc = (ServerSocketConnection)Connector.open("socket://:9999");
sc = (SocketConnection)ssc.acceptAndOpen();
dis = sc.openDataInputStream();
dos = sc.openDataOutputStream();
new ReceiveThread().start();
}catch(Exception ex){
ex.printStackTrace();
}
}
public void commandAction(Command c,Displayable d){
if(c==cmdSend){
try{
dos.writeUTF(tfMsg.getString());
}catch(Exception ex){}
}
}
class ReceiveThread extends Thread{
public void run(){
while(true){
try{
String msg = dis.readUTF();
frmChat.append(msg + "\n");
}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
}
}
