exec.java

在NETBEANS环境下

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

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

/**
 * @author Administrator
 */
public class Exec extends MIDlet implements CommandListener {

    Display display;
    List list = new List("                               通讯录", Choice.IMPLICIT);
    Command cmdexit = new Command("退出", Command.OK, 1);
    Command cmdadd = new Command("添加", Command.BACK, 1);
    Command cmdlook = new Command("查看详情", Command.OK, 1);
    Command cmdsave = new Command("保存", Command.BACK, 1);
    Command cmddel = new Command("删除记录", Command.OK, 1);
    Form f = new Form("                               增加新记录");
    Form f1 = new Form("                                 详细情况");
    Form f2 = new Form("                                 详细情况");
    Form f3 = new Form("                                 详细情况");
    Form f4 = new Form("                                 详细情况");  
    TextField name = new TextField("姓名", "", 8, TextField.ANY);
    TextField num1 = new TextField("手机号码", "", 11, TextField.PHONENUMBER);
    TextField num2 = new TextField("家庭电话", "", 11, TextField.PHONENUMBER);
    TextField addr = new TextField("家庭住址", "", 18, TextField.ANY);

    public void startApp() {
        display = Display.getDisplay(this);
        list.addCommand(cmdlook);
        list.addCommand(cmdadd);
        list.addCommand(cmddel);

        list.setCommandListener(this);

        f.append(name);
        f.append(num1);
        f.append(num2);
        f.append(addr);
        f.addCommand(cmdsave);
        f.addCommand(cmdexit);
        f.setCommandListener(this);

        f1.addCommand(cmdexit);
        f1.setCommandListener(this);
        
        f2.addCommand(cmdexit);
        f2.setCommandListener(this);
        
        f3.addCommand(cmdexit);
        f3.setCommandListener(this);
        
        f3.addCommand(cmdexit);
        f3.setCommandListener(this);

        display.setCurrent(list);

    }

    public void pauseApp() {
    }

    public void destroyApp(boolean unconditional) {
    }

    public void commandAction(Command c, Displayable s) {
        int i = list.getSelectedIndex();
        String n = name.getString();
        if (c == cmdadd) {
            display.setCurrent(f);
        }
        if (c == cmdexit) {
            display.setCurrent(list);
        }
        if (c == cmdsave) {

            if (i < 0) {
                list.append(n, null);
           
             
            } else {
                list.insert(i + 1, n, null);
             
            }
         switch (i){
             case -1 :   f1.append("姓名： "+name.getString()+'\n'+'\n'+'\n'+"手机号码: "+num1.getString()+'\n'+'\n'+'\n'+"家庭电话： "+num2.getString()+'\n'+'\n'+'\n'+"家庭住址： "+addr.getString());
             case 0 :    f2.append("姓名： "+name.getString()+'\n'+'\n'+'\n'+"手机号码: "+num1.getString()+'\n'+'\n'+'\n'+"家庭电话： "+num2.getString()+'\n'+'\n'+'\n'+"家庭住址： "+addr.getString());
             case 1 :    f3.append("姓名： "+name.getString()+'\n'+'\n'+'\n'+"手机号码: "+num1.getString()+'\n'+'\n'+'\n'+"家庭电话： "+num2.getString()+'\n'+'\n'+'\n'+"家庭住址： "+addr.getString());
             case 2 :    f4.append("姓名： "+name.getString()+'\n'+'\n'+'\n'+"手机号码: "+num1.getString()+'\n'+'\n'+'\n'+"家庭电话： "+num2.getString()+'\n'+'\n'+'\n'+"家庭住址： "+addr.getString());
             default : 
         }

                
             display.setCurrent(list);
        }
        if (c == cmdlook) {
            switch (i){
                case -1 :  display.setCurrent(f1);  break;
              
                default : display.setCurrent(f2);break;
            }
           
        }
        if (c == cmddel) {
            list.delete(i);
            display.setCurrent(list);
        }
    }
}