笔试题：金额转换，阿拉伯数字的金额转换成中国传统的形式如：（￥1011）－>（一千零一拾一元整）输出

public class RenMingBi {

    private static final char[] data = new char[] { ‘零‘, ‘壹‘, ‘贰‘, ‘叁‘, ‘肆‘,
            ‘伍‘, ‘陆‘, ‘柒‘, ‘捌‘, ‘玖‘ };
    private static final char[] units = new char[] { ‘元‘, ‘拾‘, ‘佰‘, ‘仟‘, ‘万‘,
            ‘拾‘, ‘佰‘, ‘仟‘, ‘亿‘,‘拾‘, ‘佰‘, ‘仟‘};

    // 简单那整数    int：-2147483648~2147483647 
    public static String convert(long money) {
        StringBuffer sbf = new StringBuffer(40);
        int unit = 0;
        while (money != 0) {
            sbf.insert(0,units[unit++]);
            int number = (int) money % 10;
            sbf.insert(0, data[number]);
            money /= 10;
        }
        // System.out.println(sbf.toString());
        return sbf.toString().replaceAll("零[拾佰仟]", "零").replaceAll("零+亿","亿").replaceAll("零+万", "万")
                .replaceAll("零+元", "元").replaceAll("零+", "零").replaceAll("亿万", "亿");
    }
    //复杂带小数 long    :-2^63    +2^63-1
    public static String convert(double value) {
        long midVal = (long) (value * 100);
        String valStr = String.valueOf(midVal); // 转化成字符串
        String rail = valStr.substring(valStr.length() - 2); // 取小数部分

        long preint = (midVal / 100);
        String prefix = convert(preint);
        String suffix = "";
        // 处理小数点后面的数
        if (rail.equals("00")) {
            suffix = "整";
        } else {
            suffix = data[rail.charAt(0) - ‘0‘] + "角" + data[rail.charAt(1) - ‘0‘] + "分";
        }
        return prefix + suffix; // 返回正确表示
    }

    public static void main(String[] args) {
          System.out.println(convert(2000000007));
          System.out.println(convert(2000000007.211));
    }

}