数字类型转换成文字类型？

Question

c#方法
例如：
10020002.23 转换成 壹仟零贰万零贰元贰角叁分
1020         转换成 壹仟零贰拾元整。
100000       转换成 拾万元整
0.13         转换成 壹角叁分

Answer 1

LOOK
http://www.cnblogs.com/esshs/archive/2005/03/30/128318.aspx

Answer 2

          /// 转换数字金额主函数（包括小数） 
           /// 
          /// 数字字符串 
           /// 转换成中文大写后的字符串或者出错信息提示字符串 
           public string ConvertSum(string str) 
           { 
                if(!IsPositveDecimal(str)) 
                return "输入的不是正数字！"; 
                if(Double.Parse(str)>999999999999.99) 
                return "数字太大，无法换算，请输入一万亿元以下的金额"; 
                char[] ch=new char[1]; 
                ch[0]='.'; //小数点 
                string[] splitstr=null; //定义按小数点分割后的字符串数组 
                splitstr=str.Split(ch[0]);//按小数点分割字符串 
                if(splitstr.Length==1) //只有整数部分 
                return ConvertData(str)+"圆整"; 
                else //有小数部分 
                { 
                     string rstr; 
                     rstr=ConvertData(splitstr[0])+"圆";//转换整数部分 
                     rstr+=ConvertXiaoShu(splitstr[1]);//转换小数部分 
                     return rstr; 
                } 
           } 
            /// 
           /// 判断是否是正数字字符串 
           /// 
           /// 判断字符串 
           /// 如果是数字，返回true，否则返回false 
           public bool IsPositveDecimal(string str) 
           { 
                Decimal d; 
                try 
                { 
                     d=Decimal.Parse(str); 
                } 
                catch(Exception) 
                { 
                    return false; 
                } 
                if(d>0) 
                return true; 
                else 
                return false; 
           } 
           /// 
           /// 转换数字（整数） 
           /// 
           /// 需要转换的整数数字字符串 
           /// 转换成中文大写后的字符串 
           public string ConvertData(string str) 
           { 
                string tmpstr=""; 
                string rstr=""; 
                int strlen=str.Length; 
                if (strlen<=4)//数字长度小于四位 
                { 
                     rstr= ConvertDigit(str);                 } 
                else 
                { 
                     if (strlen<=8)//数字长度大于四位，小于八位 
                     { 
                          tmpstr=str.Substring(strlen-4,4);//先截取最后四位数字 
                          rstr=ConvertDigit(tmpstr);//转换最后四位数字 
                          tmpstr=str.Substring(0,strlen-4);//截取其余数字 
                          //将两次转换的数字加上萬后相连接 
                          rstr= String.Concat(ConvertDigit(tmpstr)+"萬",rstr); 
                          rstr=rstr.Replace("零零","零"); 
                     } 
                 else 
                 if(strlen<=12)//数字长度大于八位，小于十二位 
                 { 
                      tmpstr=str.Substring(strlen-4,4);//先截取最后四位数字 
                      rstr=ConvertDigit(tmpstr);//转换最后四位数字 
                      tmpstr=str.Substring(strlen-8,4);//再截取四位数字 
                      rstr= String.Concat(ConvertDigit(tmpstr)+"萬",rstr); 
                      tmpstr=str.Substring(0,strlen-8); 
                      rstr= String.Concat(ConvertDigit(tmpstr)+"億",rstr); 
                      rstr=rstr.Replace("零億","億"); 
                      rstr=rstr.Replace("零萬","零"); 
                      rstr=rstr.Replace("零零","零"); 
                      rstr=rstr.Replace("零零","零"); 
                 } 
                } 
                strlen=rstr.Length; 
                if (strlen>=2) 
                { 
                     switch(rstr.Substring(strlen-2,2)) 
                     { 
                          case "佰零":rstr=rstr.Substring(0,strlen-2)+"佰"; break; 
                          case "仟零":rstr=rstr.Substring(0,strlen-2)+"仟"; break; 
                          case "萬零":rstr=rstr.Substring(0,strlen-2)+"萬";break; 
                          case "億零":rstr=rstr.Substring(0,strlen-2)+"億";break; 
                     } 
                } 
                return rstr; 
           }             /// 
           /// 转换数字（小数部分） 
           /// 
           /// 需要转换的小数部分数字字符串 
           /// 转换成中文大写后的字符串 
           public string ConvertXiaoShu(string str) 
           { 
                int strlen=str.Length ; 
                string rstr; 
                if(strlen==1) 
                { 
                     rstr=ConvertChinese(str)+"角"; 
                     return   rstr; 
                } 
                else 
                { 
                     string tmpstr=str.Substring(0,1); 
                     rstr=ConvertChinese(tmpstr)+"角"; 
                     tmpstr=str.Substring(1,1); 
                     rstr+=ConvertChinese(tmpstr)+"分"; 
                     rstr=rstr.Replace("零分",""); 
                     rstr=rstr.Replace("零角",""); 
                     return rstr; 
                } 
           } 
            /// 
           /// 转换数字 
           /// 
           /// 转换的字符串（四位以内） 
           /// 
           public string ConvertDigit(string str) 
           { 
                int strlen=str.Length; 
                string rstr=""; 
                switch (strlen) 
                { 
                     case 1: rstr=ConvertChinese(str);break; 
                     case 2: rstr=Convert2Digit(str);break; 
                     case 3: rstr=Convert3Digit(str);break; 
                     case 4: rstr=Convert4Digit(str);break; 
                } 
                rstr=rstr.Replace("拾零","拾"); 
                strlen=rstr.Length; 
                return rstr; 
           } 
            /// 
           /// 转换四位数字 
           /// 
           public string Convert4Digit(string str) 
           { 
                string str1=str.Substring(0,1); 
                string str2=str.Substring(1,1); 
                string str3=str.Substring(2,1); 
                string str4=str.Substring(3,1); 
                string rstring=""; 
                rstring+=ConvertChinese(str1)+"仟"; 
                rstring+=ConvertChinese(str2)+"佰"; 
                rstring+=ConvertChinese(str3)+"拾"; 
                rstring+=ConvertChinese(str4); 
                rstring=rstring.Replace("零仟","零"); 
                rstring=rstring.Replace("零佰","零"); 
                rstring=rstring.Replace("零拾","零"); 
                rstring=rstring.Replace("零零","零"); 
                rstring=rstring.Replace("零零","零"); 
                rstring=rstring.Replace("零零","零"); 
                return rstring; 
           }        /// 
           /// 转换三位数字 
           /// 
           public string Convert3Digit(string str) 
           { 
                string str1=str.Substring(0,1); 
                string str2=str.Substring(1,1); 
                string str3=str.Substring(2,1); 
                string rstring=""; 
                rstring+=ConvertChinese(str1)+"佰"; 
                rstring+=ConvertChinese(str2)+"拾"; 
                rstring+=ConvertChinese(str3); 
                rstring=rstring.Replace("零佰","零"); 
                rstring=rstring.Replace("零拾","零"); 
                rstring=rstring.Replace("零零","零"); 
                rstring=rstring.Replace("零零","零"); 
                return rstring; 
           } 
            /// 
           /// 转换二位数字 
           /// 
           public string Convert2Digit(string str) 
           { 
                string str1=str.Substring(0,1); 
                string str2=str.Substring(1,1); 
                string rstring=""; 
                rstring+=ConvertChinese(str1)+"拾"; 
                rstring+=ConvertChinese(str2); 
                rstring=rstring.Replace("零拾","零"); 
                rstring=rstring.Replace("零零","零"); 
                return rstring; 
           } 
           /// 
           /// 将一位数字转换成中文大写数字 
           /// 
           public string ConvertChinese(string str) 
           { 
                //"零壹贰叁肆伍陆柒捌玖拾佰仟萬億圆整角分" 
                string cstr=""; 
                switch(str) 
                { 
                     case "0": cstr="零";break; 
                     case "1": cstr="壹";break; 
                     case "2": cstr="贰";break; 
                     case "3": cstr="叁";break; 
                     case "4": cstr="肆";break; 
                     case "5": cstr="伍";break; 
                     case "6": cstr="陆";break; 
                     case "7": cstr="柒";break; 
                     case "8": cstr="捌";break; 
                     case "9": cstr="玖";break; 
                } 
                return(cstr); 
           } 

Answer 3

http://hi.baidu.com/china_cdj/blog/item/86362e0224767f0b4afb51c1.html
http://www.cnblogs.com/chinadhf/archive/2005/12/13/296125.html
看看~~