C#人民幣大小寫轉換

 

using System; using System.Collections.Generic; using System.Text; namespace Xyz.Common { /// <summary> /// 轉換人民幣大小金額。 /// </summary> public class Rmb { /// <summary> /// 轉換人民幣大小金額 /// </summary> /// <param name="num">金額</param> /// <returns>返回大寫形式</returns> public static string CmycurD(decimal num) { string str1 = "零壹貳叄肆伍陸柒捌玖"; //0-9所對應的漢字 string str2 = "萬仟佰拾億仟佰拾萬仟佰拾元角分"; //數字位所對應的漢字 string str3 = ""; //從原num值中取出的值 string str4 = ""; //數字的字符串形式 string str5 = ""; //人民幣大寫金額形式 int i; //循環變量 int j; //num的值乘以100的字符串長度 string ch1 = ""; //數字的漢語讀法 string ch2 = ""; //數字位的漢字讀法 int nzero = 0; //用來計算連續的零值是幾個 int temp; //從原num值中取出的值 num = Math.Round(Math.Abs(num), 2); //將num取絕對值並四捨五入取2位小數 str4 = ((long)(num * 100)).ToString(); //將num乘100並轉換成字符串形式 j = str4.Length; //找出最高位 if (j > 15) { return "溢出"; } str2 = str2.Substring(15 - j); //取出對應位數的str2的值。如：200.55,j爲5所以str2=佰拾元角分 //循環取出每一位需要轉換的值 for (i = 0; i < j; i++) { str3 = str4.Substring(i, 1); //取出需轉換的某一位的值 temp = Convert.ToInt32(str3); //轉換爲數字 if (i != (j - 3) && i != (j - 7) && i != (j - 11) && i != (j - 15)) { //當所取位數不爲元、萬、億、萬億上的數字時 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 { //該位是萬億，億，萬，元位等關鍵位 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)) { //如果該位是億位或元位，則必須寫上 ch2 = str2.Substring(i, 1); } str5 = str5 + ch1 + ch2; if (i == j - 1 && str3 == "0") { //最後一位（分）爲0時，加上“整” str5 = str5 + "整"; } } if (num == 0) { str5 = "零元整"; } return str5; } /// <summary> /// 轉換人民幣大小金額 (一個重載，將字符串先轉換成數字在調用CmycurD) /// </summary> /// <param name="num">用戶輸入的金額，字符串形式未轉成decimal</param> /// <returns></returns> public static string CmycurD(string numstr) { try { decimal num = Convert.ToDecimal(numstr); return CmycurD(num); } catch { return "非數字形式！"; } } } }

不用說大家都知道怎麼用了！