金额换算（数字换汉字）

/**
 * 金额数据中文格式化工具类
 * 
 * @since version1.0
 */
public class MoneyToChinese {

	public MoneyToChinese() {
		super();
	}

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

	private final static String HanDiviStr[] = new String[] { "", "拾", "佰", "仟", "万", "拾", "佰", "仟",
			"亿", "拾", "佰", "仟", "万", "拾", "佰", "仟", "亿", "拾", "佰", "仟", "万",
			"拾", "佰", "仟" };

	/**
	 * 将数字转为大写的汉字表示形式
	 * 
	 * @param String NumStr
	 * @return String
	 */
	public static String PositiveIntegerToHanStr(String NumStr) { // 输入字符串必须正整数，只允许前置空格(必须右对齐)，不宜有前置零
		String RMBStr = "";
		boolean lastzero = false;
		boolean hasvalue = false; // 亿、万进位前有数值标记
		int len, n;
		len = NumStr.length();
		if (len > 15)
			return "数值过大!";
		for (int i = len - 1; i >= 0; i--) {
			if (NumStr.charAt(len - i - 1) == ' ')
				continue;
			n = NumStr.charAt(len - i - 1) - '0';
			if (n < 0 || n > 9)
				return "输入含非数字字符!";

			if (n != 0) {
				if (lastzero)
					RMBStr += HanDigiStr[0]; // 若干零后若跟非零值，只显示一个零
				// 如十进位前有零也不发壹音用此行
				if (!(n == 1 && (i % 4) == 1 && i == len - 1)) // 十进位处于第一位不发壹音
					RMBStr += HanDigiStr[n];
				RMBStr += HanDiviStr[i]; // 非零值后加进位，个位为空
				hasvalue = true; // 置万进位前有值标记

			} else {
				if ((i % 8) == 0 || ((i % 8) == 4 && hasvalue)) // 亿万之间必须有非零值方显示万
					RMBStr += HanDiviStr[i]; // “亿”或“万”
			}
			if (i % 8 == 0)
				hasvalue = false; // 万进位前有值标记逢亿复位
			lastzero = (n == 0) && (i % 4 != 0);
		}

		if (RMBStr.length() == 0)
			return HanDigiStr[0]; // 输入空字符或"0"，返回"零"
		return RMBStr;
	}

	/**
	 * 将浮点型数值转为人民币的表示方式（前面带￥）
	 * 
	 * @param double val（传入的数值）
	 * @return String（转化后的人民币数值表示方式字符串）
	 */
	public static String NumToRMBStr(double val) {
		String SignStr = "";
		String TailStr = "";
		long fraction, integer;
		int jiao, fen;

		if (val < 0) {
			val = -val;
			SignStr = "负";
		}
		if (val > 99999999999999.999 || val < -99999999999999.999)
			return "数值位数过大!";
		// 四舍五入到分
		long temp = Math.round(val * 100);
		integer = temp / 100;
		fraction = temp % 100;
		jiao = (int) fraction / 10;
		fen = (int) fraction % 10;
		if (jiao == 0 && fen == 0) {
			TailStr = "整";
		} else {
			TailStr = HanDigiStr[jiao];
			if (jiao != 0)
				TailStr += "角";
			if (integer == 0 && jiao == 0) // 零元后不写零几分
				TailStr = "";
			if (fen != 0)
				TailStr += HanDigiStr[fen] + "分";
		}

		// 下一行可用于非正规金融场合，0.03只显示“叁分”而不是“零元叁分”
		// if( !integer ) return SignStr+TailStr;

		return "￥" + SignStr + PositiveIntegerToHanStr(String.valueOf(integer))
				+ "圆" + TailStr;
	}

	/**
	 * 将浮点型数值转为人民币的表示方式
	 * 
	 * @param double val（传入的数值）
	 * @return String（转化后的人民币数值表示方式字符串）
	 */
	public static String NumToCNMoney(double val) {
		String SignStr = "";
		String TailStr = "";
		long fraction, integer;
		int jiao, fen;

		if (val < 0) {
			val = -val;
			SignStr = "负";
		}
		if (val > 99999999999999.999 || val < -99999999999999.999)
			return "数值位数过大!";
		// 四舍五入到分
		long temp = Math.round(val * 100);
		integer = temp / 100;
		fraction = temp % 100;
		jiao = (int) fraction / 10;
		fen = (int) fraction % 10;
		if (jiao == 0 && fen == 0) {
			TailStr = "整";
		} else {
			TailStr = HanDigiStr[jiao];
			if (jiao != 0)
				TailStr += "角";
			if (integer == 0 && jiao == 0) // 零元后不写零几分
				TailStr = "";
			if (fen != 0)
				TailStr += HanDigiStr[fen] + "分";
		}

		// 下一行可用于非正规金融场合，0.03只显示“叁分”而不是“零元叁分”
		// if( !integer ) return SignStr+TailStr;

		return SignStr + PositiveIntegerToHanStr(String.valueOf(integer))
				+ "圆" + TailStr;
	}
	
	public static void main(String[] args) {
		String amount = MoneyToChinese.NumToCNMoney(456465145);
		System.out.println(amount);
		String rmb = MoneyToChinese.NumToRMBStr(8754);
		System.out.println(rmb);
	}
}