springboot-base/src/main/java/cn/efunbox/base/util/MoneyUtil.java

package cn.efunbox.base.util;

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

/**
 * MoneyUtil
 * Created by xusq on 2020/1/6.
 */
public class MoneyUtil {

    /**
     * 元转分，确保price保留两位有效数字
     * @return
     */
    public static long changeY2F(double price) {
        DecimalFormat df = new DecimalFormat("#.00");
        price = Double.valueOf(df.format(price));
        long money = (long)price * 100;
        return money;
    }

    /**
     * 分转元，转换为bigDecimal在toString
     * @return
     */
    public static String changeF2Y(long price) {
        return BigDecimal.valueOf(price).divide(new BigDecimal(100)).toString();
    }
}