猜数字游戏：do {
System.out.println("请猜一下电脑随机生成的数字为（0-9）");
person = in.nextInt();
if (person < computer) {
System.out.println("猜小了！在" + person + "至8之间");
} else if (person > computer) {
System.out.println("猜大了！在0至" + person + "之间");
}
} while (person != computer);
