JAVA金額格式化

package com.abc.utils;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.math.BigDecimal;
import java.text.DecimalFormat;

public class MoneyFormatUtil {

    private static final Logger logger = LoggerFactory.getLogger(MoneyFormatUtil.class);

    /**
     * 格式化金額為#,###.00 保留兩位小數不四舍五入
     * @return 字元串
     */
    public static String btos(BigDecimal amount) {
        try {
            String format = "#,###.00";
            if (null == amount) {
                //amount = new BigDecimal(0.00);
                return null;
            }
            amount = amount.setScale(2, BigDecimal.ROUND_DOWN);
            //-1:小于 0:等于 1:大于
            //小于0 小于1 等于0
            if (amount.compareTo(new BigDecimal("0")) == -1 || amount.compareTo(new BigDecimal("1")) == -1 || amount.compareTo(new BigDecimal("0")) == 0) {
                format = "#,###0.00";
            }
            DecimalFormat dformat = new DecimalFormat(format);
            return dformat.format(amount);
        } catch (Exception e) {
            logger.error("MoneyFormat | method=btos() is error errorMsg:{}, error:{}", e.getMessage(), e);
        }
        return "0.00";
    }

    public static void main(String[] args) {
        BigDecimal amount = new BigDecimal("1096.75");
        System.out.println("===>>原始值：" + amount);
        String btos = MoneyFormatUtil.btos(amount);
        System.out.println(btos);
    }
}