deleterecordform.java

本光盘是《J2ME无线移动游戏开发》一书的配套光盘

package ch12;

import javax.microedition.lcdui.*;

public class DeleteRecordForm
    extends Form
    implements CommandListener {
  //声明一个Display对象
  private Display display;

  //声明一个Displayable对象承载父窗体
  private Displayable parent;

  //声明一个返回上一级窗体按钮Command对象
  private Command backCommand;

  //声明代表被删除记录的StringItem
  private StringItem si;

  /*
    1.构造器
   */
  public DeleteRecordForm(Display d, Displayable p, int id, String name,
                          String score, String rank, String date) {
    super("删除记录:" + name);
    display = d;
    parent = p;

    si = new StringItem("删除记录", name);
    append(si);

    RecordDB rdb = new RecordDB();
    rdb.deleteRecord(id);
    rdb.closeRS();

    backCommand = new Command("返回", Command.BACK, 1);
    addCommand(backCommand);
    setCommandListener(this);
  }

  /*
   2.响应按钮事件
   */
  public void commandAction(Command c, Displayable s) {
    if (c == backCommand) {
      display.setCurrent(parent);
    }

  }
}