using System; using System.Collections.Generic; using System.Text; namespace Class_ZhH { /// <summary> /// 金额小写转中文大写类(附带一个数字转大写)。 /// 整数支持到万亿；小数部分支持到分(超过两位将进行Banker舍入法处理) /// </summary> public class NumGetString { private static String[] Ls_ShZ ={ "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖", "拾" }; private static String[] Ls_DW_Zh ={ "元", "拾", "佰", "仟", "万", "拾", "佰", "仟", "亿", "拾", "佰", "仟", "万" }; private static String[] Num_DW ={ "","拾", "佰", "仟", "万", "拾", "佰", "仟", "亿", "拾", "佰", "仟", "万" }; private static String[] Ls_DW_X ={ "角", "分" }; /// <summary> /// 金额小写转中文大写。 /// 整数支持到万亿；小数部分支持到分(超过两位将进行Banker舍入法处理) /// </summary> /// <param name="Num">需要转换的双精度浮点数</param> /// <returns>转换后的字符串</returns> public static String NumGetStr(Double Num) { Boolean iXSh_bool = false;//是否含有小数，默认没有(0则视为没有) Boolean iZhSh_bool = true;//是否含有整数,默认有(0则视为没有) string NumStr;//整个数字字符串 string NumStr_Zh;//整数部分 string NumSr_X = "";//小数部分 string NumStr_DQ;//当前的数字字符 string NumStr_R = "";//返回的字符串 Num = Math.Round(Num, 2);//四舍五入取两位 //各种非正常情况处理 if (Num < 0) return "不转换欠条"; if (Num > 9999999999999.99) return "很难想象谁会有这么多钱！"; if (Num == 0) return Ls_ShZ[0]; //判断是否有整数 if (Num < 1.00) iZhSh_bool = false; NumStr = Num.ToString(); NumStr_Zh = NumStr;//默认只有整数部分 if (NumStr_Zh.Contains(".")) {//分开整数与小数处理 NumStr_Zh = NumStr.Substring(0, NumStr.IndexOf(".")); NumSr_X = NumStr.Substring((NumStr.IndexOf(".") + 1), (NumStr.Length - NumStr.IndexOf(".") - 1)); iXSh_bool = true; } if (NumSr_X == "" || int.Parse(NumSr_X) <= 0) {//判断是否含有小数部分 iXSh_bool = false; } if (iZhSh_bool) {//整数部分处理 NumStr_Zh = Reversion_Str(NumStr_Zh);//反转字符串 for (int a = 0; a < NumStr_Zh.Length; a++) {//整数部分转换 NumStr_DQ = NumStr_Zh.Substring(a, 1); if (int.Parse(NumStr_DQ) != 0) NumStr_R = Ls_ShZ[int.Parse(NumStr_DQ)] + Ls_DW_Zh[a] + NumStr_R; else if (a == 0 || a == 4 || a == 8) { if (NumStr_Zh.Length > 8 && a == 4) continue; NumStr_R = Ls_DW_Zh[a] + NumStr_R; } else if (int.Parse(NumStr_Zh.Substring(a - 1, 1)) != 0) NumStr_R = Ls_ShZ[int.Parse(NumStr_DQ)] + NumStr_R; } if (!iXSh_bool) return NumStr_R + "整"; //NumStr_R += "零"; } for (int b = 0; b < NumSr_X.Length; b++) {//小数部分转换 NumStr_DQ = NumSr_X.Substring(b, 1); if (int.Parse(NumStr_DQ) != 0) NumStr_R += Ls_ShZ[int.Parse(NumStr_DQ)] + Ls_DW_X[b]; else if (b != 1 && iZhSh_bool) NumStr_R += Ls_ShZ[int.Parse(NumStr_DQ)]; } return NumStr_R; } /// <summary> /// 提供一个数字直接转大写（即不带单位） /// </summary> /// <param name="NumStr">需要转换的数字字符串</param> /// <param name="Dw">是否带单位</param> /// <returns>转换后的字符串</returns> public static String LowercaseGetCap(String NumStr,Boolean Dw) { String CapStr=""; String NumStr_LS; if (NumStr == String.Empty) return String.Empty; if (Dw) NumStr = Reversion_Str(NumStr); try { for (Int32 c = 0; c < NumStr.Length; c++) { NumStr_LS = NumStr.Substring(c, 1); if (Dw) { if (int.Parse(NumStr_LS) != 0) CapStr = Ls_ShZ[int.Parse(NumStr_LS)] + Num_DW[c] + CapStr; else if (c == 0 || c == 4 || c == 8) { if (NumStr_LS.Length > 8 && c == 4) continue; CapStr = Num_DW[c] + CapStr; } else if (int.Parse(NumStr.Substring(c - 1, 1)) != 0) CapStr = Ls_ShZ[int.Parse(NumStr_LS)] + CapStr; } else CapStr += Ls_ShZ[int.Parse(NumStr_LS)]; } return CapStr; } catch (Exception Err) { return "转换错误！"+Err.Message; } } /// <summary> /// 反转字符串 /// </summary> /// <param name="Rstr">需要反转的字符串</param> /// <returns>反转后的字符串</returns> private static String Reversion_Str(String Rstr) { Char[] LS_Str = Rstr.ToCharArray(); Array.Reverse(LS_Str); String ReturnSte = ""; ReturnSte = new String(LS_Str);//反转字符串 return ReturnSte; } } }
DEMO:
private void btn_Ok_Click(object sender, EventArgs e) { Double iNum = 0.0; if (Double.TryParse(txt_Num.Text, out iNum) == false) { txt_Num.Focus(); txt_Num.SelectAll(); MessageBox.Show("非法的金额数字"); return; } txt_Ret.Text = NumGetString.NumGetStr(iNum); }