bs/framework/com/behosoft/util/DigitUpperUtils.java

/** 
 * 
 * Copyright (c) behosoft Co.,Ltd. 
 * All Rights Reserved.
 * 
 * This software is the confidential and proprietary information of behosoft.
 * (Social Security Department). You shall not disclose such
 * Confidential Information and shall use it only in accordance with 
 * the terms of the license agreement you entered into with behosoft. 
 *
 * Distributable under GNU LGPL license by gnu.org
 */

package com.behosoft.util;

/**
 * <p>
 * Title: behosoft_[子系统统名]_[模块名]
 * </p>
 * <p>
 * Description: [描述该类概要功能介绍]
 * </p>
 * 
 * @author behosoft
 * @version $Revision$ 2012-5-14
 * @author (lastest modification by $Author$)
 * @since 1.0
 */
public class DigitUpperUtils {

	public static final String fraction[] = { "角", "分" };

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

	public static final String unit[][] = { { "元", "万", "亿" }, { "", "拾", "佰", "仟" } };

	public static final String sign[] = { "负", "正 " };

	/**
	 * <p>
	 * Description:[数字金额大写转换，思想先写个完整的然后将如零拾替换成零 要用到正则表达式]
	 * </p>
	 * 
	 * @param n
	 * @return
	 */
	public static String digitUppercase(double n) {

		String head = n < 0 ? sign[0] : "";

		n = Math.abs(n);
		String s = "";
		for (int i = 0; i < fraction.length; i++) {
			s += (digit[(int) (Math.floor(n * 10 * Math.pow(10, i)) % 10)] + fraction[i]).replaceAll("(零.)+", "");
		}

		if (s.length() < 1) {
			s = "整";
		}

		int integerPart = (int) Math.floor(n);
		for (int i = 0; i < unit[0].length && integerPart > 0; i++) {
			String p = "";
			for (int j = 0; j < unit[1].length && n > 0; j++) {
				p = digit[integerPart % 10] + unit[1][j] + p;
				integerPart = integerPart / 10;
			}
			s = p.replaceAll("(零.)*零$", "").replaceAll("^$", "零") + unit[0][i] + s;
		}

		return head
				+ s.replaceAll("(零.)*零元", "元").replaceFirst("(零.)+", "").replaceAll("(零.)+", "零").replaceAll("^整$",
						"零元整");
	}

	public static void main(String[] args) {
		String fee = DigitUpperUtils.digitUppercase(1000000D);

		System.out.println(fee);

	}

}