tel.java

J2ME书中重点教学程序

package src;

import java.io.IOException;
import java.io.OutputStream;

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;

public class Tel implements CommandListener
{
	private Form form;
	private TextField text;
	
	private Display display;
	
	private Command cancel,ok;
	
	private SendMessage message;
	
	private OutputStream os;
	
	public Tel(Display x,SendMessage y)
	{
		message = y;
		display = x;
		form = new Form("地址");
		
		text = new TextField("地址","",20,TextField.NUMERIC);
		
		os = message.getOut();
		
		form.append(text);
		
		ok = new Command("确定",Command.OK,1);
		cancel = new Command("返回",Command.CANCEL,1);
		
		form.addCommand(ok);
		form.addCommand(cancel);
		
		form.setCommandListener(this);
		
		x.setCurrent(form);
		// TODO 自动生成构造函数存根
	}

	public void commandAction(Command com, Displayable arg1)
	{
		String lab = com.getLabel();
		
		if(lab.equals("确定"))
		{
			String temp = text.getString()+'\n';
			
			try 
			{
				os.write(temp.getBytes());
				
				String mes = message.getText();
				
				os.write(mes.getBytes());
				
			} 
			catch (IOException e) 
			{
				
				// TODO 自动生成 catch 块
				e.printStackTrace();
			}
			
			
		}
		
		if(lab.equals("返回"))
		{
			message.show();
		}
		// TODO 自动生成方法存根
		
	}

}