/// <summary> 
/// 通過數字求金額的大寫 /// decimal p=123758.21m; /// Response.Write (new CommonFunction().ToUpper(p)); /// </summary> /// <param name="d"></param> 
/// <returns></returns> 
public string ToUpper(decimal d) { if (d == 0) return "零元整"; string je = d.ToString("####.00"); if (je.Length > 15) return ""; je = new String('0',15 - je.Length) + je; //若小於15位長，前面補0 string stry = je.Substring(0,4); //取得'億'單元 string strw = je.Substring(4,4); //取得'萬'單元 string strg = je.Substring(8,4); //取得'元'單元 string strf = je.Substring(13,2); //取得小數部分 string str1 = "",str2 = "",str3 = ""; str1 = this.getupper(stry,"億"); //億單元的大寫 str2 = this.getupper(strw,"萬"); //萬單元的大寫 str3 = this.getupper(strg,"元"); //元單元的大寫 string str_y = "", str_w = ""; if (je[3] == '0' || je[4] == '0') //億和萬之間是否有0 str_y = "零"; if (je[7] == '0' || je[8] == '0') //萬和元之間是否有0 str_w = "零"; string ret = str1 + str_y + str2 + str_w + str3; //億，萬，元的三個大寫合併 for (int i = 0 ;i < ret.Length;i++) //去掉前面的"零" 
{ 
if (ret[i] != '零') { ret = ret.Substring(i); break; 
} } for (int i = ret.Length - 1;i > -1 ;i--) //去掉最後的"零" { if (ret[i] != '零') { ret = ret.Substring(0,i+1); break; } } if (ret[ret.Length - 1] != '元') //若最後不位不是'元'，則加一個'元'字 ret = ret + "元"; if (ret == "零零元") //若爲零元，則去掉"元數"，結果只要小數部分 ret = ""; if (strf == "00") //下面是小數部分的轉換 { ret = ret + "整"; } else { string tmp = ""; tmp = this.getint(strf[0]); if (tmp == "零") ret = ret + tmp; else ret = ret + tmp + "角"; tmp = this.getint(strf[1]); if (tmp == "零") ret = ret + "整"; else ret = ret + tmp + "分"; } if (ret[0] == '零') { ret = ret.Substring(1); //防止0.03轉爲"零叄分"，而直接轉爲"叄分" } return ret; //完成，返回 } /// <summary> /// 把一個單元轉爲大寫，如億單元，萬單元，個單元 /// </summary> /// <param name="str">這個單元的小寫數字（4位長，若不足，則前面補零）</param> /// <param name="strDW">億，萬，元</param> /// <returns>轉換結果</returns> private string getupper(string str,string strDW) { if (str == "0000") return ""; string ret = ""; string tmp1 = this.getint(str[0]) ; string tmp2 = this.getint(str[1]) ; string tmp3 = this.getint(str[2]) ; string tmp4 = this.getint(str[3]) ; if (tmp1 != "零") { ret = ret + tmp1 + "仟"; } else { ret = ret + tmp1; } if (tmp2 != "零") { ret = ret + tmp2 + "佰"; } else { if (tmp1 != "零") //保證若有兩個零'00'，結果只有一個零，下同 ret = ret + tmp2; } if (tmp3 != "零") { ret = ret + tmp3 + "拾"; } else { if (tmp2 != "零") ret = ret + tmp3; } if (tmp4 != "零") { ret = ret + tmp4 ; } if (ret[0] == '零') //若第一個字符是'零'，則去掉 ret = ret.Substring(1); if (ret[ret.Length - 1] == '零') //若最後一個字符是'零'，則去掉 ret = ret.Substring(0,ret.Length - 1); return ret + strDW; //加上本單元的單位 } /// <summary> /// 單個數字轉爲大寫 /// </summary> /// <param name="c">小寫阿拉伯數字 0---9</param> /// <returns>大寫數字</returns> private string getint(char c) { string strMoney = ""; switch ( c ) { case '0': strMoney = "零"; break; case '1': strMoney = "壹"; break; case '2': strMoney = "貳"; break; case '3': strMoney = "叄"; break; case '4': strMoney = "肆"; break; case '5': strMoney = "伍"; break; case '6': strMoney = "陸"; break; case '7': strMoney = "柒"; break; case '8': strMoney = "捌"; break; case '9': strMoney = "玖"; break; } return strMoney; }