在此献丑了
server端
package demo;
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 server extends MIDlet implements CommandListener{
private Display display;
private Form form = new Form("服务器聊天");
private Command cmd = new Command("发送",Command.SCREEN,1);
private TextField tf_msg = new TextField("请输入：","",50,TextField.ANY);
private ServerSocketConnection ssc = null;
private SocketConnection sc = null;
private DataInputStream dis = null;
private DataOutputStream dos = null;
protected void destroyApp(boolean arg0) throws MIDletStateChangeException {
}
protected void pauseApp() {
}
protected void startApp() throws MIDletStateChangeException {
display = Display.getDisplay(this);
display.setCurrent(form);
form.addCommand(cmd);
form.append(tf_msg);
form.setCommandListener(this);
try{
ssc = (ServerSocketConnection)Connector.open("socket://:8888");
sc = (SocketConnection)ssc.acceptAndOpen();
dos = sc.openDataOutputStream();
dis = sc.openDataInputStream();
new ChatThread().start();
ex.printStackTrace();
}
}
public void commandAction(Command c, Displayable d) {
if(c == cmd){
try{
String str = tf_msg.getString();
dos.writeUTF(str);
form.append("server say:" + str + " ");
}catch(Exception ex){
ex.printStackTrace();
}
}
}
class ChatThread extends Thread{
public void run(){
while(true){
try{
String str = dis.readUTF();
form.append("client say:" + str + " ");
}catch(Exception ex){
ex.printStackTrace();
}
}
}
}
}
client端
package demo;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import javax.microedition.io.Connector;
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 client extends MIDlet implements CommandListener{