modifypassword.java

手机理财软件

/**
 * <p>Title: CowriePixie</p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2005</p>
 * <p>Company: xidian</p>
 * @author yangyong
 * @version 1.0
 */

import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.AlertType;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.TextField;
import javax.microedition.rms.RecordStore;
/*
 * 创建日期 2005-9-23
 *
 * TODO 要更改此生成的文件的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */

/**
 * @author Administrator
 *
 * TODO 要更改此生成的类型注释的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
public class ModifyPassword extends Form implements CommandListener {

        private Command ok;
    private Command back;
    private TextField pswone;
    private TextField pswtwo;
    private Display dis;
    private String psw1;
    private String psw2;
    protected RecordStore pswdb;

    public ModifyPassword(Display display)
    {
        super("修改密码");
        psw1 = new String();
        psw2 = new String();
        dis = display;
        try
        {
            append(Financing.secur);
        }
        catch(Exception exception) { }
        pswone = new TextField("输入新密码", null, 6, TextField.PASSWORD);//密码输入最多为6位字符
        append(pswone);
        pswtwo = new TextField("确认新密码", null, 6, TextField.PASSWORD);//确认密码为6位
        append(pswtwo);
        ok = new Command("修改", Command.OK, 2);
        addCommand(ok);
        back = new Command("返回",Command.BACK, 2);
        addCommand(back);
        setCommandListener(this);
    }

    public void commandAction(Command c, Displayable d)
    {
        if(c == back)
        {
            Main_Form mainform = new Main_Form(dis);
            dis.setCurrent(mainform);
            return;
        }
        if(c == ok)
        {
            psw1 = pswone.getString();
            psw2 = pswtwo.getString();
            if(psw1.equals(psw2))
            {
                //通过RMS保存修改的密码.
                UpdatePassword();
                try
                {
                    Alert alert = new Alert("提示", "                密码更新完毕", Financing.alert, AlertType.ALARM);
                    alert.setTimeout(500);
                    dis.setCurrent(alert);
                    Main_Form mainform = new Main_Form(dis);
                    dis.setCurrent(mainform);
                    return;
                }
                catch(Exception exception) { }

            } else
            {
                Alert alert = new Alert("告警", "             密码输入有误,请重输", Financing.alert, AlertType.ALARM);
                alert.setTimeout(500);
                dis.setCurrent(alert);
                pswone.setString(null);
                pswtwo.setString(null);
            }
        }
    }

    //密码保存至以pswdb为名RecordStore中.
    void UpdatePassword() {
        String filename = "psw";
        byte psw[] = new byte[8];
        try {
            pswdb = RecordStore.openRecordStore(filename, true);
        }
        catch(Exception ex) {
            return;
        }
        try {
            byte temp[] = psw1.getBytes();
            pswdb.setRecord(1, temp, 0, temp.length);
        }
        catch(Exception exception) { }
        try {
            pswdb.closeRecordStore();
        }
        catch(Exception exception1) { }
    }




}