java 整数数值（阿拉伯数字）整数转对应的中文（亲测可用）

public class NumberToChinese {

    private static final String[] units = {"", "十", "百", "千", "万", "十", "百", "千", "亿"};
    private static final String[] digits = {"零", "一", "二", "三", "四", "五", "六", "七", "八", "九"};

    public static String numberToChinese(int num) {
        if (num == 0) {
            return "零";
        }

        StringBuilder chinese = new StringBuilder();
        String numStr = String.valueOf(num);
        int length = numStr.length();

        boolean isZero = false; // 记录上一个数字是否为零
        for (int i = 0; i < length; i++) {
            int digit = numStr.charAt(i) - '0'; // 取得每一位的数字
            int position = length - i - 1; // 位置从高到低

            if (digit == 0) {
                isZero = true;
            } else {
                if (isZero) {
                    chinese.append(digits[0]);
                    isZero = false;
                }
                chinese.append(digits[digit]).append(units[position]);
            }
        }

        // 特殊情况处理：去掉以“一十”开头的“零”
        String result = chinese.toString();
        if (result.startsWith("一十")) {
            result = result.substring(1);
        }

        return result;
    }

	//测试案例
    public static void main(String[] args) {
        int number = 123456789;
        String chineseNumber = numberToChinese(number);
        System.out.println("Number: " + number + " in Chinese: " + chineseNumber);

        number = 1001;
        chineseNumber = numberToChinese(number);
        System.out.println("Number: " + number + " in Chinese: " + chineseNumber);

        number = 10;
        chineseNumber = numberToChinese(number);
        System.out.println("Number: " + number + " in Chinese: " + chineseNumber);
    }
}