把金额转换为汉字表达式C#代码
jopen
10年前
/* 创建者：菜刀居士的博客 * 创建日期: 2014年09月04号 * 功能：Money类型转换 * */ namespace Net.String.ConsoleApplication { using System; using System.Collections.Generic; public class MoneyHelper { public static string[] chineseDigits = new string[] { "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖" }; /// <summary> /// 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 /// </summary> /// <param name="amount">小写金额</param> /// <returns>人民币大写</returns> public static string amountToChinese(decimal amount) { if (amount > 99999999999999.99m || amount < -99999999999999.99m) { throw new Exception("参数值超出允许范围 (-99999999999999.99 ～ 99999999999999.99)！"); } // 如果是负数，先转换为正数 bool negative = false; if (amount < 0) { negative = true; amount = amount * (-1); } // 乘以100再进行四舍五入，实现小数保留2位 decimal temp_r = Round(amount, 2); int temp = Convert.ToInt32(temp_r * 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; } // bool 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 { // 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” if ("".Equals(partChinese) && !beforeWanIsZero) { chineseStr = "零" + chineseStr; } else { // 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” if (parts[i - 1] < 1000 && parts[i - 1] > 0) { chineseStr = "零" + chineseStr; } chineseStr = "万" + chineseStr; } } } chineseStr = partChinese + chineseStr; } // 最后处理 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; } /// <summary> /// 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 "" /// </summary> /// <param name="amountPart"></param> /// <returns></returns> public static string partTranslate(int amountPart) { if (amountPart < 0 || amountPart >= 10000) { throw new Exception("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 = amountPart.ToString(); int amountStrLength = amountStr.Length; bool 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; } public static decimal Round(decimal data, int digits) { double i = Math.Pow(10, digits); decimal temp = (data * (decimal)(i)); int intData = (int)temp; decimal digData = temp - intData; if (digData >= decimal.Parse("0.5")) intData++; string format = digits > 0 ? "0." : "0"; for (int n = 0; n < digits; n++) { format += "0"; } return Convert.ToDecimal(((decimal)(intData / i)).ToString(format)); } /// <summary> /// 把金额转换为汉字表示 /// </summary> public static string RMBEncode(decimal num) { try { #region string str1 = "零壹贰叁肆伍陆柒捌玖"; //0-9所对应的汉字 string str2 = "万仟佰拾亿仟佰拾万仟佰拾元角分"; //数字位所对应的汉字 string str3 = ""; //从原num值中取出的值 string str4 = ""; //数字的字符串形式 string str5 = ""; //人民币大写金额形式 int i; //循环变量 int j; //num的值乘以100的字符串长度 string ch1 = ""; //数字的汉语读法 string ch2 = ""; //数字位的汉字读法 int nzero = 0; //用来计算连续的零值是几个 int temp; //从原num值中取出的值 num = Math.Round(Math.Abs(num), 2); //将num取绝对值并四舍五入取2位小数 str4 = ((long)(num * 100)).ToString(); //将num乘100并转换成字符串形式 j = str4.Length; //找出最高位 if (j > 15) { return "溢出"; } str2 = str2.Substring(15 - j); //取出对应位数的str2的值。如：200.55,j为5所以str2=佰拾元角分 #endregion //循环取出每一位需要转换的值 for (i = 0; i < j; i++) { #region str3 = str4.Substring(i, 1); //取出需转换的某一位的值 temp = Convert.ToInt32(str3); //转换为数字 if (i != (j - 3) && i != (j - 7) && i != (j - 11) && i != (j - 15)) { #region if (str3 == "0") { ch1 = ""; ch2 = ""; nzero = nzero + 1; } else { if (str3 != "0" && nzero != 0) { ch1 = "零" + str1.Substring(temp * 1, 1); ch2 = str2.Substring(i, 1); nzero = 0; } else { ch1 = str1.Substring(temp * 1, 1); ch2 = str2.Substring(i, 1); nzero = 0; } } #endregion } else { #region if (str3 != "0" && nzero != 0) { ch1 = "零" + str1.Substring(temp * 1, 1); ch2 = str2.Substring(i, 1); nzero = 0; } else { if (str3 != "0" && nzero == 0) { ch1 = str1.Substring(temp * 1, 1); ch2 = str2.Substring(i, 1); nzero = 0; } else { #region if (str3 == "0" && nzero >= 3) { ch1 = ""; ch2 = ""; nzero = nzero + 1; } else { if (j >= 11) { ch1 = ""; nzero = nzero + 1; } else { ch1 = ""; ch2 = str2.Substring(i, 1); nzero = nzero + 1; } } #endregion } } #endregion } if (i == (j - 11) || i == (j - 3)) { ch2 = str2.Substring(i, 1); } str5 = str5 + ch1 + ch2; if (i == j - 1 && str3 == "0") { str5 = str5 + '整'; } #endregion } if (num == 0) { str5 = "零元整"; } return str5; } catch { return "非法数据"; } } } }