8ad6b9f08b5c7238a777c8edc4128283812fc620,src/lyons/tools/ScannerChoice.java,ScannerChoice,ScannerInfo,#,24

Before Change


			String regex = "(([1-9][0-9]*)\\.([0-9]{2}))|[0]\\.([0-9]{2})";//保留小数点后2位小数
			if (info.matches(regex))
			{
				return Double.parseDouble(info);
			}else 
				{
					System.err.println("!输入有误!");

After Change


			String regex = "(([1-9][0-9]*)\\.([0-9]{2}))|[0]\\.([0-9]{2})";//保留小数点后2位小数
			if (info.matches(regex))
			{
				num = Double.parseDouble(info);
			}else 
				{
					System.err.println("!输入有误!");
					continue;
				}
			break;
		} while (true);
			
		return num;
	}
		/*
		 * 获取用户--輸入图书信息