package com.sp2p.util; public class MoneyUtil { public static String[] chineseDigits = new String[] { "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖" }; /** * 把金额转换为汉字表示的数量,小数点后四舍五入保留两位 * * @param amount * @return */ public static String amountToChinese(double amount) { if (amount > 99999999999999.99 || amount < -99999999999999.99) throw new IllegalArgumentException("参数值超出允许范围 (-99999999999999.99 ~ 99999999999999.99)!"); boolean negative = false; if (amount < 0) { negative = true; amount = amount * (-1); } long temp = Math.round(amount * 100); int numFen = (int) (temp % 10); // 分 temp = temp / 10; int numJiao = (int) (temp % 10); // 角 temp = temp / 10; // temp 目前是金额的整数部分 int[] parts = new int[20]; // 其中的元素是把原来金额整数部分分割为值在 0~9999 之间的数的各个部分 int numParts = 0; // 记录把原来金额整数部分分割为了几个部分(每部分都在 0~9999 之间) for (int i = 0;; i++) { if (temp == 0) break; int part = (int) (temp % 10000); parts[i] = part; numParts++; temp = temp / 10000; } boolean beforeWanIsZero = true; // 标志“万”下面一级是不是 0 String chineseStr = ""; for (int i = 0; i < numParts; i++) { String partChinese = partTranslate(parts[i]); if (i % 2 == 0) { if ("".equals(partChinese)) beforeWanIsZero = true; else beforeWanIsZero = false; } if (i != 0) { if (i % 2 == 0) chineseStr = "亿" + chineseStr; else { if ("".equals(partChinese) && !beforeWanIsZero) // 如果“万”对应的 // part 为 // 0,而“万”下面一级不为 // 0,则不加“万”,而加“零” chineseStr = "零" + chineseStr; else { if (parts[i - 1] < 1000 && parts[i - 1] > 0) // 如果"万"的部分不为 // 0, // 而"万"前面的部分小于 // 1000 // 大于 0, // 则万后面应该跟“零” chineseStr = "零" + chineseStr; chineseStr = "万" + chineseStr; } } } chineseStr = partChinese + chineseStr; } if ("".equals(chineseStr)) // 整数部分为 0, 则表达为"零元" chineseStr = chineseDigits[0]; else if (negative) // 整数部分不为 0, 并且原金额为负数 chineseStr = "负" + chineseStr; chineseStr = chineseStr + "元"; if (numFen == 0 && numJiao == 0) { chineseStr = chineseStr + "整"; } else if (numFen == 0) { // 0 分,角数不为 0 chineseStr = chineseStr + chineseDigits[numJiao] + "角"; } else { // “分”数不为 0 if (numJiao == 0) chineseStr = chineseStr + "零" + chineseDigits[numFen] + "分"; else chineseStr = chineseStr + chineseDigits[numJiao] + "角" + chineseDigits[numFen] + "分"; } return chineseStr; } /** * 把一个 0~9999 之间的整数转换为汉字的字符串,如果是 0 则返回 "" * * @param amountPart * @return */ private static String partTranslate(int amountPart) { if (amountPart < 0 || amountPart > 10000) { throw new IllegalArgumentException("参数必须是大于等于 0,小于 10000 的整数!"); } String[] units = new String[] { "", "拾", "佰", "仟" }; int temp = amountPart; String amountStr = new Integer(amountPart).toString(); int amountStrLength = amountStr.length(); boolean lastIsZero = true; // 在从低位往高位循环时,记录上一位数字是不是 0 String chineseStr = ""; for (int i = 0; i < amountStrLength; i++) { if (temp == 0) // 高位已无数据 break; int digit = temp % 10; if (digit == 0) { // 取到的数字为 0 if (!lastIsZero) // 前一个数字不是 0,则在当前汉字串前加“零”字; chineseStr = "零" + chineseStr; lastIsZero = true; } else { // 取到的数字不是 0 chineseStr = chineseDigits[digit] + units[i] + chineseStr; lastIsZero = false; } temp = temp / 10; } return chineseStr; } }