springboot 转换为金额大写工具类

代码如下

public static String getDX(int a){String num=String.valueOf(a);StringBuffer buffer=new StringBuffer("");if(num.length()==4){buffer.append(getChar(num.substring(0,1))).append("仟");if(num.substring(1,2).equals("0")){buffer.append(getChar(num.substring(1,2)));}else{buffer.append(getChar(num.substring(1,2))).append("佰");}if(num.substring(2,3).equals("0")){buffer.append(getChar(num.substring(2,3)));}else{buffer.append(getChar(num.substring(2,3))).append("拾");}if(num.substring(3,4).equals("0")){buffer.append("圆");}else{buffer.append(getChar(num.substring(3,4))).append("圆");}}if(num.length()==3){buffer.append(getChar(num.substring(1,2))).append("佰");buffer.append(getChar(num.substring(2,3))).append("拾");buffer.append(getChar(num.substring(3,4))).append("圆");}return  buffer.toString();}public static void main(String[] args) {System.out.println(getDX(2112));}public static String getChar(String num){if(num.equals("1")){return "壹";}else if(num.equals("2")){return "贰";}else{return "零";}}private static final String[] CN_UPPER_NUMBER = {"零","壹","贰","叁","肆","伍","陆","柒","捌","玖"};/*** 汉语中货币单位大写，这样的设计类似于占位符*/private static final String[] CN_UPPER_MONETRAY_UNIT = {"分","角","圆","拾","佰","仟","万","拾","佰","仟","亿","拾","佰","仟","兆","拾","佰","仟"};/*** 特殊字符：整*/private static final String CN_FULL = "整";/*** 特殊字符：负*/private static final String CN_NEGATIVE = "负";/*** 金额的精度，默认值为2*/private static final int MONEY_PRECISION = 2;/*** 特殊字符：零元整*/private static final String CN_ZEOR_FULL = "万千百拾圆角分" ;private static SysUtils NumToCN;/*** 把输入的金额转换为汉语中人民币的大写** @param numberOfMoney* 输入的金额* @return 对应的汉语大写*/public static String number2CNMontrayUnit(BigDecimal numberOfMoney) {StringBuffer sb = new StringBuffer();
// -1, 0, or 1 as the value of this BigDecimal is negative, zero, or
// positive.int signum = numberOfMoney.signum();
// 零元整的情况if (signum == 0) {return CN_ZEOR_FULL;}
//这里会进行金额的四舍五入long number = numberOfMoney.movePointRight(MONEY_PRECISION).setScale(0, 4).abs().longValue();
// 得到小数点后两位值long scale = number % 100;int numUnit = 0;int numIndex = 0;boolean getZero = false;
// 判断最后两位数，一共有四中情况：00 = 0, 01 = 1, 10, 11if (!(scale > 0)) {numIndex = 2;number = number / 100;getZero = true;}if ((scale > 0) && (!(scale % 10 > 0))) {numIndex = 1;number = number / 10;getZero = true;}int zeroSize = 0;while (true) {if (number <= 0) {break;}
// 每次获取到最后一个数numUnit = (int) (number % 10);if (numUnit > 0) {if ((numIndex == 9) && (zeroSize >= 3)) {sb.insert(0, ""+CN_UPPER_MONETRAY_UNIT[6]);}if ((numIndex == 13) && (zeroSize >= 3)) {sb.insert(0, ""+CN_UPPER_MONETRAY_UNIT[10]);}sb.insert(0, ""+CN_UPPER_MONETRAY_UNIT[numIndex]);sb.insert(0, ""+CN_UPPER_NUMBER[numUnit]);getZero = false;zeroSize = 0;} else {++zeroSize;if (!(getZero)) {sb.insert(0, ""+CN_UPPER_NUMBER[numUnit]);}if (numIndex == 2) {if (number > 0) {sb.insert(0, ""+CN_UPPER_MONETRAY_UNIT[numIndex]);}} else if (((numIndex - 2) % 4 == 0) && (number % 1000 > 0)) {sb.insert(0, ""+CN_UPPER_MONETRAY_UNIT[numIndex]);}getZero = true;}
// 让number每次都去掉最后一个数number = number / 10;++numIndex;}
// 如果signum == -1，则说明输入的数字为负数，就在最前面追加特殊字符：负if (signum == -1) {sb.insert(0, CN_NEGATIVE);}
// 输入的数字小数点后两位为"00"的情况，则要在最后追加特殊字符：整if (!(scale > 0)) {sb.append(CN_FULL);}return sb.toString();}

最后方法调用就ok了

BigDecimal numberOfMoney = new BigDecimal(user.getUserMoney());
String dx=SysUtils.number2CNMontrayUnit(numberOfMoney) ;

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