public String convertRMB(long money) {
        String[] digits = new String[]{"零", "壹", "貳", "叄", "肆", "伍", "陸", "柒", "捌", "玖"};
        String[] units = new String[]{"元","拾", "佰", "仟", "萬", "拾", "佰", "仟", "億", "拾", "佰", "仟","萬"};
        StringBuilder sb = new StringBuilder();
        int i = 0;
        while (money>0){
            int num = (int) (money%10);
            if(num == 0){
                i++;
            }else{
                sb.insert(0,units[i++]);
            }
            sb.insert(0,digits[num]);
            money /= 10;
        }
        return sb.toString();
    }