人民币大写

/// <summary>/// Rmb 的摘要说明/// </summary>public class Rmb{/**//// <summary> /// 转换人民币大小金额 /// </summary> /// <param name="num">金额</param> /// <returns>返回大写形式</returns> public static string CmycurD(decimal num) { 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 //循环取出每一位需要转换的值 for(i=0;i<j;i++) { 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)) { //当所取位数不为元、万、亿、万亿上的数字时 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; } } } else { //该位是万亿，亿，万，元位等关键位 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 { 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; } } } } } if (i == (j-11) || i == (j-3)) { //如果该位是亿位或元位，则必须写上 ch2 = str2.Substring(i,1); } str5 = str5 + ch1 + ch2; if (i == j-1 && str3 == "0" ) { //最后一位（分）为0时，加上“整” str5 = str5 + '整'; } } if (num == 0) { str5 = "零元整"; } return str5; } /**//// <summary> /// 一个重载，将字符串先转换成数字在调用CmycurD(decimal num) /// </summary> /// <param name="num">用户输入的金额，字符串形式未转成decimal</param> /// <returns></returns> public static string CmycurD(string numstr) { try { decimal num = Convert.ToDecimal(numstr); return CmycurD(num); } catch { return "非数字形式！"; } } }