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

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package com.jsowell.common.util;
import java.math.BigDecimal;
import java.text.DecimalFormat;
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/**
* 汇付支付的工具类
*/
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public class AdapayUtil {
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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);
}
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/**
* 格式化数字 保留两位小数不足补0
* @param amount
* @return
*/
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public static String formatAmount(String amount) {
//保留2位小数
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double d = new BigDecimal(amount).setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue();
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//不足两位则补0
DecimalFormat decimalFormat = new DecimalFormat("0.00#");
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return decimalFormat.format(d);
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}
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/**
* 格式化数字 保留两位小数不足补0
* @param amount
* @return
*/
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public static String formatAmount(BigDecimal amount) {
return formatAmount(amount.toString());
}
}