deletefriend.java

手机在线系统 采用Java 中的J2ME, JSP 跟MySql 运行环境是：jsdk1.4以上

/**
 * @(#)DeleteFriend.java	
 * Copyright (c) 2004-2005 wuhua of workroom Inc. All Rights Reserved.
 * @version 	1.0, 10/05/2004
 * @author 	饶荣庆
 * @author 	
 */
package com.j2me.phonebook;

import com.j2me.main.*;	
import javax.microedition.lcdui.*;

/**
 *此类的功能是删除朋友信息
 */
public class  DeleteFriend extends Form implements CommandListener 
{
	private Display display = null;
	private PhoneBookMenu phoneBookMenu = null;
	public Alert alert = null;
	public StringItem idItem = null;
	public Command okCommand = null;			//定义确定软键
	public Command backCommand = null;			//定义离开软键
	private int id;

	public DeleteFriend(String s, int id, String name, String phone, String eMail)	//把参数传进去
	{
		super(s);
		this.id = id;				   //获得朋友id
		this.alert = new Alert("提示", "删除成功", null, AlertType.INFO);	 //初始化信息
		this.alert.setTimeout(1000);
		this.okCommand = new Command("确定", Command.OK, 2);	
		this.backCommand = new Command("返回", Command.BACK, 2);
		this.idItem = new StringItem("删除这个记录", name);
		this.append(idItem);
		this.addCommand(backCommand);
		this.addCommand(okCommand);
		this.setCommandListener(this);
	}

	
	public void showForm(Display display, PhoneBookMenu phoneBookMenu)	//用来显示界面
	{
		this.display = display;
	   	this.phoneBookMenu = phoneBookMenu;
		this.display.setCurrent(this);
	}

	public void commandAction(Command c,Displayable s)
	{
		if(c == backCommand)
		{
			this.display.setCurrent(phoneBookMenu);
		}

		if (c == okCommand)
		{
			PhoneBook pb = new PhoneBook();
			pb.deleteFriend(id);      //调用删除方法
			pb.closeRS();
			this.display.setCurrent(alert, phoneBookMenu);
		}
	}
}