while (isntdone) {                    
                    System.out.println("test");
                    String str = in.readLine();
                    System.out.println("你輸入了" + str);
                    try {
                        pp1 = Integer.parseInt(str);
                    } catch (Exception ex) {
                        System.out.println("Parameter must be integer!");
                        return false;
                    }
                    if(opponentPlayer.act強制拆除(pp1))
                    {
                        isntdone=false;
                    }
                    else{
                        System.out.println("這不是有效的目標");
                    }
                }

                交換當前操作玩家();
                break;