J2ME實驗報告

1、實驗報告姓名: 專業(yè)： 學(xué)號：一 題目：高層用戶界面設(shè)計二 設(shè)備：計算機名稱:配置:三 軟件環(huán)境： JDK(jdk-6u11-windows-i586-p), WTK(sun_java_wireless_toolkit-2_5_2-ml-windows), Eclipse(eclipse-java-ganymede-SR1-win32), EclipseME(eclipseme.feature_1.7.9_site) ，操作系統(tǒng)：WINDOWS 7旗艦版。四 程序流程圖：五 程序代碼：import javax.microedition.midlet.*;import javax.microed

2、ition.lcdui.*;public class UserLogin extends MIDlet implements CommandListener private Display display; private Command exitCommand; private Command loginCommand; private TextField textfield1; private TextField textfield2; private TextBox textBox; private Alert alert; private Alert alert2; private F

3、orm myform; public UserLogin() display = Display.getDisplay(this); loginCommand = new Command("登陸",Command.SCREEN,1); exitCommand = new Command("退出",Command.SCREEN,1); myform = new Form("用戶登錄"); textfield1 = new TextField("用戶名：","",20,TextField.ANY);

4、 textfield2=new TextField("密 碼","",20,TextField.PASSWORD); textBox = new TextBox("歡迎您","",200,TextField.ANY); myform.addCommand(loginCommand); myform.addCommand(exitCommand); myform.append(textfield1); myform.append(textfield2); myform.setCommandListener(this)

5、; alert = new Alert("用戶窗口","登陸成功！",null,AlertType.INFO); alert2 = new Alert("警告","輸入用戶或密碼有誤，請重新輸入！",null,AlertType.INFO); alert.setTimeout(Alert.FOREVER); public void startApp() display.setCurrent(myform); public void pauseApp() public void destroyApp(boolean

6、uncondition) public void commandAction(Command c, Displayable d) if(c = loginCommand) if(textfield1.getString().equals("lien")&&textfield2.getString().equals("lien") display.setCurrent(alert,display.getCurrent(); textBox.setString("用戶名:"+textfield1.getString()+" "+"密碼:"+textfield2.getString(); display.setCurrent(textBox); else display.setCurrent(alert2,display.getCurrent(); if(c = exitCommand) destroyApp(false); notifyD