java将数字价格转换为中文大写代码示例(工具类)

import java.math.BigDecimal;

public class PriceConverter {

    private static final String[] CHINESE_NUMBERS = {"零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"};
    private static final String[] UNITS = {"", "拾", "佰", "仟"};
    private static final String[] BIG_UNITS = {"", "万", "亿", "兆", "京", "垓", "秭", "穰", "沟", "涧", "正", "载", "极"}; // 根据需要可以增加更多大单位

    public static String convertToChinese(BigDecimal price) {
        if (price == null || price.compareTo(BigDecimal.ZERO) < 0) {
            throw new IllegalArgumentException("价格不能为空或小于0");
        }

        // 转换为字符串并截取小数点前后部分
        String priceStr = price.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString();
        String integerPart = priceStr.split("\\.")[0]; // 整数部分
        String decimalPart = priceStr.split("\\.")[1]; // 小数部分（角、分）

        // 处理整数部分
        String integerChinese = convertToChinesePart(integerPart, UNITS, BIG_UNITS);

        // 处理小数部分
        String decimalChinese = "";
        if (!"00".equals(decimalPart)) {
            decimalChinese = convertToDecimalChinese(decimalPart);
        }

        // 合并结果
        return integerChinese + "元" + decimalChinese;
    }

    private static String convertToChinesePart(String numberStr, String[] units, String[] bigUnits) {
        if ("0".equals(numberStr)) {
            return CHINESE_NUMBERS[0];
        }

        StringBuilder sb = new StringBuilder();
        int unitIndex = 0;
//        int zeroCount = 0;

        for (int i = numberStr.length() - 1; i >= 0; i--) {
            int digit = numberStr.charAt(i) - '0';
            String chineseDigit = CHINESE_NUMBERS[digit];

            if (digit == 0) {
//                zeroCount++;
                // 连续零的处理：只在非零数字后面、单位变化处或字符串开始处添加一个零
                if (sb.length() > 0 && (sb.charAt(sb.length() - 1) != CHINESE_NUMBERS[0].charAt(0) || unitIndex == 0 || i == 0)) {
                    sb.insert(0, chineseDigit);
                }
            } else {
                // 添加非零数字和对应单位
                sb.insert(0, chineseDigit + units[unitIndex]);
//                zeroCount = 0; // 重置连续零的计数
            }

            // 切换到下一个单位
            if (++unitIndex == units.length) {
                unitIndex = 0; // 循环使用单位数组
                if (sb.length() > 0 && i > 0) {
                    sb.insert(0, bigUnits[(numberStr.length()-i) / units.length]);
                }
            }
        }

        // 去除末尾可能多余的零
        while (sb.length() > 0 && sb.charAt(0) == CHINESE_NUMBERS[0].charAt(0)) {
            sb.deleteCharAt(0);
        }

        return sb.toString();
    }

    private static String convertToDecimalChinese(String decimalPart) {
        StringBuilder sb = new StringBuilder();
        if (decimalPart.charAt(0) != '0') {
            sb.append(CHINESE_NUMBERS[decimalPart.charAt(0) - '0']).append("角");
        }
        if (decimalPart.length() > 1 && decimalPart.charAt(1) != '0') {
            sb.append(CHINESE_NUMBERS[decimalPart.charAt(1) - '0']).append("分");
        }
        return sb.toString();
    }

    public static void main(String[] args) {
        System.out.println(convertToChinese(new BigDecimal("4545444444111141233123522212345.67"))); // 肆佰伍拾肆穰伍仟肆佰肆拾肆秭肆仟肆佰肆拾壹垓壹仟壹佰壹拾肆京壹仟贰佰叁拾叁兆壹仟贰佰叁拾伍亿贰仟贰佰贰拾壹万贰仟叁佰肆拾伍元陆角柒分
        System.out.println(convertToChinese(new BigDecimal("100.00"))); // 壹佰元
        System.out.println(convertToChinese(new BigDecimal("0.01"))); // 零元壹分
        System.out.println(convertToChinese(new BigDecimal("0.00"))); // 零元
    }
}

package com.ithm.stringdemo;
import java.util.Scanner;
 
public class Demo1 {
    //获取每一个数字对应的中文大写
    public static String getCapitalNumber(int number){
        String []capitalnumber={"零","壹","贰","叁","肆","伍","陆","柒","捌","玖"};
        return capitalnumber[number];
    }
    public static void main(String[] args) {
        //数组里面放入输入的金额的每一位数字
        int []sz=new int[7];
        Scanner sc=new Scanner(System.in);
        int money;
       while (true){
           System.out.print("请输入任意金额:");
           money=sc.nextInt();
           if(money>=0 ||money<=9999999) {
           break;
       }else {
               System.out.println("金额无效，请重新输入");
           }
       }
       String capmoney="";
       int i=0;
       while (true){
           int ge=money%10;
           sz[i++]=ge;
           money=money/10;
           if(money==0) break;
       }
       //获取大写数字的字符串
        String capitalnumber="";
        for (int j = 0; j < sz.length; j++) {
            capitalnumber=getCapitalNumber(sz[j]);
            capmoney=capitalnumber+capmoney;
        }
        //定义一个字符串数组存放单位
        String []arr={"佰","拾","万","仟","佰","拾","元"};
        //将大写数字和单位数组进行字符串的拼接
        String result="";
        for (int k = 0; k < capmoney.length(); k++) {
            char c=capmoney.charAt(k);
            result=result+c+arr[k];
        }
        System.out.println(result);
    }
}