元转分工具

 /**
     * 将元为单位的转换为分 替换小数点，支持以逗号区分的金额
     *
     * @param amount
     * @return
     */
    public static String changeY2F(String amount) {
        String currency = amount.replaceAll("\\$|\\￥|\\,", "");  //处理包含,￥或者$的金额
        int index = currency.indexOf(".");
        int length = currency.length();
        Long amLong = 0l;
        if (index == -1) {
            amLong = Long.valueOf(currency + "00");
        } else if (length - index >= 3) {
            amLong = Long.valueOf((currency.substring(0, index + 3)).replace(".", ""));
        } else if (length - index == 2) {
            amLong = Long.valueOf((currency.substring(0, index + 2)).replace(".", "") + 0);
        } else {
            amLong = Long.valueOf((currency.substring(0, index + 1)).replace(".", "") + "00");
        }
        return amLong.toString();
    }