金额小数转换成中文大写金额

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package com.itext.test;

/**
* 金额小数转换成中文大写金额
* @author Neil Han
*
*/
public class ConvertMoneyToUppercase {

    private static final String UNIT[] = { "万", "千", "佰", "拾", "亿", "千", "佰",
            "拾", "万", "千", "佰", "拾", "元", "角", "分" };

    private static final String NUM[] = { "零", "壹", "贰", "叁", "肆", "伍", "陆",
            "柒", "捌", "玖" };

    private static final double MAX_VALUE = 9999999999999.99D;

    /**
     * 将金额小数转换成中文大写金额
     * @param money
     * @return result
     */
    public static String convertMoney(double money) {
        if (money < 0 || money > MAX_VALUE)
            return "参数非法!";
        long money1 = Math.round(money * 100); // 四舍五入到分
        if (money1 == 0)
            return "零元整";
        String strMoney = String.valueOf(money1);
        int numIndex = 0; // numIndex用于选择金额数值
        int unitIndex = UNIT.length - strMoney.length(); // unitIndex用于选择金额单位
        boolean isZero = false; // 用于判断当前为是否为零
        String result = "";
        for (; numIndex < strMoney.length(); numIndex++, unitIndex++) {
            char num = strMoney.charAt(numIndex);
            if (num == '0') {
                isZero = true;
                if (UNIT[unitIndex] == "亿" || UNIT[unitIndex] == "万"
                        || UNIT[unitIndex] == "元") { // 如果当前位是亿、万、元，且数值为零
                    result = result + UNIT[unitIndex]; //补单位亿、万、元
                    isZero = false;
                }
            }else {
                if (isZero) {
                    result = result + "零";
                    isZero = false;
                }
                result = result + NUM[Integer.parseInt(String.valueOf(num))] + UNIT[unitIndex];
            }
        }
        //不是角分结尾就加"整"字
        if (!result.endsWith("角")&&!result.endsWith("分")) {
            result = result + "整";
        }
        //例如没有这行代码，数值"400000001101.2"，输出就是"肆千亿万壹千壹佰零壹元贰角"
        result = result.replaceAll("亿万", "亿");
        return result;
    }

    public static void main(String[] args) {
        double value = Double.parseDouble("210");
        System.out.println("您输入的金额（小写）为：" + value);
        System.out.println("您输入的金额（大写）为：" + convertMoney(value));
    }

}

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