https://www.cnblogs.com/niuyaoBolg/p/5654113.html
public class Tool {
private static final String UNIT = "万千佰拾亿千佰拾万千佰拾元角分";
private static final String DIGIT = "零壹贰叁肆伍陆柒捌玖";
private static final double MAX_VALUE = 9999999999999.99D;
public static String change(double v) {
if (v < 0 || v > MAX_VALUE){
return "参数非法!";
}
long l = Math.round(v * 100);
if (l == 0){
return "零元整";
}
String strValue = l + "";
// i用来控制数
int i = 0;
// j用来控制单位
int j = UNIT.length() - strValue.length();
String rs = "";
boolean isZero = false;
for (; i < strValue.length(); i++, j++) {
char ch = strValue.charAt(i);
if (ch == '0') {
isZero = true;
if (UNIT.charAt(j) == '亿' || UNIT.charAt(j) == '万' || UNIT.charAt(j) == '元') {
rs = rs + UNIT.charAt(j);
isZero = false;
}
} else {
if (isZero) {
rs = rs + "零";
isZero = false;
}
rs = rs + DIGIT.charAt(ch - '0') + UNIT.charAt(j);
}
}
if (!rs.endsWith("分")) {
rs = rs + "整";
}
rs = rs.replaceAll("亿万", "亿");
return rs;
}
public static void main(String[] args){
System.out.println(Tool.change(12356789.9845));
}
}
Java货币金额转换为大写形式
package com.test;
import java.math.BigDecimal;
/**
*
*
* 数字转换为汉语中人民币的大写<br>
*
*/
public class NumberToCN {
/**
* 汉语中数字大写
*/
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", "元",
"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 = "零元" + CN_FULL;
/**
* 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, 11
if (!(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();
}
public static void main(String[] args) {
double money = 3000.66;
BigDecimal numberOfMoney = new BigDecimal(money);
String s = NumberToCN.number2CNMontrayUnit(numberOfMoney);
System.out.println("你输入的金额为：【" + money + "】 #--# [" + s.toString()
+ "]");
}
}