金额元转分并比较大小

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/**
 * 金额校验，判断两个金额是否相等
 *
 * @param money_1 金额单位为元(网关返回金额)
 * @param money_2 金额单位为分(用户下单金额)
 * @return
 */
public static boolean CheckAmount(String money_1, Integer money_2) {
    try {
        BigDecimal m_1 = new BigDecimal(changeY2F(money_1));
        BigDecimal m_2 = BigDecimal.valueOf(money_2);
        log.info("比对金额m_1:" + m_1 + "----m_2:" + m_2);
        if (m_1.compareTo(m_2) == 0) {
            return true;
        } else {
            return false;
        }
    } catch (Exception e) {
        log.info("金额判断出现错误：money_1-->" + money_1 + "----money_2-->" + money_2);
        log.info("错误信息：" + e);
    }
    return false;
}

/**
 * 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();
}