jsowell-charger-web/jsowell-common/src/main/java/com/jsowell/common/util/AdapayUtil.java

package com.jsowell.common.util;

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

public class AdapayUtil {
	public static void main(String[] args) {
		String amount = "1110.5309";
		String s = formatAmount(amount);
		System.out.println(s);

		BigDecimal bigDecimal = new BigDecimal(amount);
		String s2 = formatAmount(bigDecimal);
		System.out.println(s2);
	}

	// 格式化数字  保留两位小数，不足补0
	public static String formatAmount(String amount) {
		//保留2位小数
		double score = new BigDecimal(amount).setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue();
		//不足两位则补0
		DecimalFormat decimalFormat = new DecimalFormat("0.00#");
		return decimalFormat.format(score);
	}

	public static String formatAmount(BigDecimal amount) {
		return formatAmount(amount.toString());
	}
}