personform.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

/*
 * @(#)PersonForm.java	1.11 01/08/23
 * Copyright (c) 2004-2005 wuhua of workroom Inc. All Rights Reserved.
 * @version 	1.0, 10/05/2004
 * @author 	饶荣庆
 * @author 	余煜辉
 */

package com.j2me.football.football_lottery;	 

import com.j2me.football.*;
import com.j2me.language.*;
import com.j2me.common.*;
import java.io.*;
import javax.microedition.lcdui.*;


/**
 *此类是用来查找个人中奖没有类
 */
public class PersonForm extends Form implements CommandListener
{
	private Display display;

	/*表示层类*/
	private Displayable dsa;
	private LotteryInfoForm l_I_F;

	/*错误*/
	private Alert errorAlert = null;

	/*数据输入对象*/
	public TextField userID; //输入用户ID;
	public TextField point;  //由用户输入期数

	//定义离开软键
	public Command backCommand = null;		
	public Command okCommand = null;

	public PersonForm(String title)
	{
		super(title);
		this.point =  new TextField("*请输入期数", "", 30, TextField.NUMERIC);
		this.userID = new TextField("*输入用户ID：", "", 30, TextField.ANY);
		this.backCommand = new Command("返回", Command.BACK, 2);	
		this.okCommand = new Command("确定", Command.BACK, 2);	
		this.addCommand(backCommand);
		this.addCommand(okCommand);
		this.append(userID);
		this.append(point);
		this.setCommandListener(this);
	}

	/**
	 *显示菜单界面方法
	 */
	public void showForm(Display display, Displayable dsa)	//用来显示界面
	{		
		this.display = display;
	   	this.dsa = dsa;
		this.display.setCurrent(this);
	} 
    
	/**
	 *定义私有方法下载数据
	 */
	private String getHtml(String URLString, String parameter)
	{
		String html = "";
		/* Thread t = new Thread() 
		{   				 				 
			public void run() 
			{ */
			try
			{	
				
				//获得服务器用户保存的内容
			    html = ConnectHttp.invokeJSP(URLString, parameter);
				
				//处理HTML标记语言
				html = DisposeHTML.getBody(html);	
			}
			catch(IOException e)
			{
			    this.display.setCurrent(errorAlert);
				System.out.println(e);
			}
		/* }						
		};
	   t.start();*/	  //启动线程让它进行连网	
	   
	   return html;
	}

	public void commandAction(Command c,Displayable s)
	{
		if(c == backCommand)
		{	
			this.display.setCurrent(dsa);
		}
		if (c == okCommand)
		{
			if (userID.getString().trim().compareTo("") != 0 && point.getString().trim().compareTo("") != 0)
			{
				//参数
			    String parameter =  "userID=" + userID.getString().trim() + "&point=" + point.getString().trim();
				if (Language.isEnglish)
				{
					if (this.getHtml(LotteryServerURL.getURL() + "/lottery_person.jsp", parameter).trim().compareTo("false") != 0)
					{
						l_I_F = new LotteryInfoForm("Result", this.getHtml(LotteryServerURL.getURL() + "/lottery_person.jsp", parameter), display, this );
					    l_I_F.showForm();
					}
					else
					{
						errorAlert  = new Alert("ERROR", "对不起！连接网络错误", null, AlertType.ERROR);	
         				errorAlert.setTimeout(2000);
				        this.display.setCurrent(errorAlert);
					}
					
				}
				else
				{
					if (this.getHtml(LotteryServerURL.getURL() + "/lottery_person.jsp", parameter).trim().compareTo("false") != 0)
					{
						l_I_F = new LotteryInfoForm("中奖没有", this.getHtml(LotteryServerURL.getURL() + "/lottery_person.jsp", parameter), display, this );
					    l_I_F.showForm();
					}
					else
					{
						errorAlert  = new Alert("ERROR", "对不起！连接网络错误", null, AlertType.ERROR);	
         				errorAlert.setTimeout(2000);
				        this.display.setCurrent(errorAlert);
					}
				}


			}
			else
			{
				errorAlert  = new Alert("ERROR", "先生请添完整您的数据。谢谢！", null, AlertType.ERROR);	
				errorAlert.setTimeout(2000);
				this.display.setCurrent(errorAlert);
			}
		}
	}
}