00e5c7f8f09a001b1a36b107245978e8

《J2ME实用教程》 源文件下载 本书没有仅仅局限于J2ME单机游戏的开发

package bankbillClent;

import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;

import shared.AccountInfo;



public class AccountInfoUI extends Form implements CommandListener {

	private TextField userNameField;
	private TextField passwordField;	
	private TextField cardHolderNameField;
	private TextField cardNumberField;


	private Command sendCommand;
	private Command backCommand;

	private MIDlet midlet;
	private Display display;
	
	private Displayable parent;

	private ProgressObserverUI progressObserverUI;

	public AccountInfoUI(MIDlet midlet,Displayable parent) {
		super("登陆");

		userNameField = new TextField("用户名:", null, 12, TextField.ANY);
		passwordField = new TextField("密码:", null, 20, TextField.PASSWORD);
		cardHolderNameField = new TextField("信用卡拥有人:", null, 12, TextField.ANY);
		cardNumberField = new TextField("卡号:", null, 30, TextField.NUMERIC);
		
		
		
		sendCommand = new Command("发送", Command.OK, 5);
		backCommand = new Command("返回", Command.BACK, 5);
		this.midlet = midlet;
		this.display = Display.getDisplay(midlet);
		this.parent = parent;
		
		progressObserverUI = new ProgressObserverUI();
		append("请输入你的用户名和密码");
		append(userNameField);
		append(passwordField);
		append(cardHolderNameField);
		append(cardNumberField);
		addCommand(sendCommand);
		addCommand(backCommand);
		setCommandListener(this);
	}

	public void init() {

		userNameField.setString(null);
		passwordField.setString(null);
	}

	public void commandAction(Command command, Displayable displayable) {
		if(command == sendCommand){
		sendInfo(userNameField.getString(), passwordField.getString());
		}
		if(command == backCommand){
			display.setCurrent(parent);
		}
	}

	public void sendInfo(final String userName, final String password) {
		Thread thread = new Thread() {
			public void run() {
				try {
					System.out.println("处理用户登陆");
					//model.login(userName, password);
					
					BankBillListUI bbui=null; 
					String url = "http://127.0.0.1:8080/BankBillServlet";
					HTTPCommunication  hc = new HTTPCommunication(url,progressObserverUI);
					
					//发送用户信息
					AccountInfo accinfo = new AccountInfo();
					accinfo.setUserName(userNameField.getString());
					accinfo.setPassword(passwordField.getString());
					accinfo.setCreditCardNumber(cardNumberField.getString());
					accinfo.setCreditCardHolderName(cardHolderNameField.getString());
					
					if(hc.updateAccount(accinfo)==false){
						showErrorAlert("发送不成功，请重新发送信息!",AccountInfoUI.this);
					}else{					
							showErrorAlert("发送成功，将返回主屏幕!",AccountInfoUI.this);						
					}
					
					
					
					//关闭progressObserverUI对象
					if(progressObserverUI != null)
						progressObserverUI = null;
					
				} catch (Exception e) {
					showErrorAlert(e.getMessage(), display.getCurrent());
				}
			}

		};

		runWithProgress(thread, "正在登陆", false);
	}

	public void runWithProgress(Thread thread, String title, boolean stoppable) {
		progressObserverUI.init(title, stoppable);
		display.setCurrent(progressObserverUI);
		thread.start();
	}

	private void showErrorAlert(String message, Displayable d) {
		Alert alert = new Alert("错误");

		alert.setType(AlertType.ERROR);
		alert.setTimeout(Alert.FOREVER);
		alert.setString(message);
		display.setCurrent(alert, d);
	}

}