searchtermform.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

/**
 * @(#)SearchTermForm.java	
 * 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.england;	  

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

/**
 *此类为搜索球队的类
 */
public class  SearchTermForm extends Form implements CommandListener 
{
	private Display display = null;
	private TeamMenuList team = null;
	public DetailTeamInfoForm detail;
	public static Alert errorAlert = null; 	  //找不到记录是显示错误信息
	public static TextField searchTextField= null;
	public Command okCommand = null;			//定义确定软键
	public Command backCommand = null;			//


	public SearchTermForm(String s)
	{
		super(s);
		this.errorAlert = new Alert("错误", "找不到这个球队的详细信息", null, AlertType.ERROR);	 //初始化信息
		this.errorAlert.setTimeout(1000);
		this.searchTextField = new TextField(null, null, 30, TextField.ANY);
		this.append(searchTextField);
		this.okCommand = new Command("确定", Command.OK, 2);	
		this.backCommand = new Command("返回", Command.BACK, 2);
		this.addCommand(backCommand);
		this.addCommand(okCommand);
		this.setCommandListener(this);
	}
    
	/*显示界面*/
	public void showForm(Display display, TeamMenuList team)
	{
		this.display = display;
		this.team = team;
		this.display.setCurrent(this);
	}

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

		if (c == okCommand)
		{
			String html = "";
			Image image = null;
			String isOk = "";  //判断找到没有
			String str = searchTextField.getString().trim();	//获得要搜索的球队名
			int i = 0;//用于获得图片的绝对路径

			/* Thread t = new Thread() 
		    {   				 				 
			public void run() 
			{ */
			try
			{	
				//从列表中获取球队名字用于查询
				String parameter = "name=" + str;
				System.out.println(parameter);
				
				//获得服务器用户保存的内容
			    html = ConnectHttp.invokeJSP(WebServerURL.getURL() + "football/england_team_info.jsp", parameter);
				
				

				//处理HTML标记语言
				html = DisposeHTML.getBody(html);	
				//System.out.println("dfsdfsd"+html);
				
				//把Unicode转换为中文
				html = Unicode.unicodeToString(html);	
				isOk = html;
			}
			catch(IOException e)
			{
				this.display.setCurrent(errorAlert);
				System.out.println(e);
			}

			try
			{
			/*------------------------------------------------------
				 *获得图片路径
				 */
				String s1 = html.trim();
				int j;
				j = s1.indexOf("~");
				i = Integer.parseInt(s1.substring(0, j));
			/*-----------------------------------------------------------------*/
			}
			catch(StringIndexOutOfBoundsException e)
			{
				isOk = "false";
				System.out.println(e);
			}

			try
			{
				
				//从网络上获取图象资源
				image = ConnectHttp.getJspImage(WebServerURL.getURL() + "football/image/" + i +".png");
			}
			catch(IOException e)
			{
				System.out.println(e);
			}
			catch(NullPointerException e)
		    {
				System.out.println(e);
		    }
			catch(IllegalArgumentException e)
		    {
				System.out.println(e);
			}
			/* }						
		    };
		    t.start();*/	  //启动线程让它进行连网
			if (isOk.trim().compareTo("false") == 0 || searchTextField.getString() == null)
			{	
				this.display.setCurrent(errorAlert); 
				
			}
			else
			{	  
				DowloandGuage d = new DowloandGuage();	//连网的进度条
				//创建球队详细列表的对象
				if (Language.isEnglish)
				{
					detail = new DetailTeamInfoForm("Team Info", image, html, display, null, this);
				}
				else
				{
					detail = new DetailTeamInfoForm("球队详细信息", image, html, display, null, this);
				}
				d.showForm(display, detail);
				
			}

		}
	}
}