C#数字转大写

using System;namespace ManPowerManage.BussinessRule{/// <summary>/// DecimalToUpper 的摘要说明。/// </summary>public class DecimalToUpper{public DecimalToUpper(){//// TODO: 在此处添加构造函数逻辑//}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;//若小于15位长，前面补0string stry = je.Substring(0,4);//取得'亿'单元string strw = je.Substring(4,4);//取得'万'单元string strg = je.Substring(8,4);//取得'元'单元string strf = je.Substring(13,2);//取得小数部分string str1 = "",str2 = "",str3 = "";str1 = this.getupper(stry,"亿");//亿单元的大写str2 = this.getupper(strw,"万");//万单元的大写str3 = this.getupper(strg,"元");//元单元的大写string str_y = "", str_w = "";if (je[3] == '0' || je[4] == '0')//亿和万之间是否有0str_y = "零";if (je[7] == '0' || je[8] == '0')//万和元之间是否有0str_w = "零";string ret = str1 + str_y + str2 + str_w + str3;//亿，万，元的三个大写合并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--)//去掉最后的"零"{if (ret[i] != '零'){ret = ret.Substring(0,i+1);break;}}if (ret[ret.Length  - 1] != '元')//若最后不位不是'元'，则加一个'元'字ret = ret + "元";if (ret == "零零元")//若为零元，则去掉"元数"，结果只要小数部分ret = "";if (strf == "00")//下面是小数部分的转换{ret = ret + "整";}else{string tmp = "";tmp = this.getint(strf[0]);if (tmp == "零")ret = ret + tmp;elseret = ret + tmp + "角";tmp = this.getint(strf[1]);if (tmp == "零")ret = ret + "整";elseret = ret + tmp + "分";}if (ret[0] == '零'){ret = ret.Substring(1);//防止0.03转为"零叁分"，而直接转为"叁分"}return  ret;//完成，返回}/// <summary>/// 把一个单元转为大写，如亿单元，万单元，个单元/// </summary>/// <param name="str">这个单元的小写数字（4位长，若不足，则前面补零）</param>/// <param name="strDW">亿，万，元</param>/// <returns>转换结果</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")//保证若有两个零'00'，结果只有一个零，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')//若第一个字符是'零'，则去掉ret = ret.Substring(1);if (ret[ret.Length - 1] == '零')//若最后一个字符是'零'，则去掉ret = ret.Substring(0,ret.Length - 1);return ret + strDW;//加上本单元的单位}/// <summary>/// 单个数字转为大写/// </summary>/// <param name="c">小写阿拉伯数字 0---9</param>/// <returns>大写数字</returns>private string getint(char c){string str = "";switch ( c ){case '0':str = "零";break;case '1':str = "壹";break;case '2':str = "贰";break;case '3':str = "叁";break;case '4':str = "肆";break;case '5':str = "伍";break;case '6':str = "陆";break;case '7':str = "柒";break;case '8':str = "拐";break;case '9':str = "玖";break;}return str;}}}

 

using System;

namespace ManPowerManage.BussinessRule
{
 /// <summary>
 /// DecimalToUpper 的摘要说明。
 /// </summary>
 public class DecimalToUpper
 {
  public DecimalToUpper()
  {
   //
   // TODO: 在此处添加构造函数逻辑
   //
  }

  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; //若小于15位长，前面补0

   string stry = je.Substring(0,4);        //取得'亿'单元
   string strw = je.Substring(4,4);        //取得'万'单元
   string strg = je.Substring(8,4);        //取得'元'单元
   string strf = je.Substring(13,2);        //取得小数部分
  
   string str1 = "",str2 = "",str3 = "";

   str1 = this.getupper(stry,"亿");        //亿单元的大写
   str2 = this.getupper(strw,"万");        //万单元的大写
   str3 = this.getupper(strg,"元");        //元单元的大写

   string str_y = "", str_w = "";         
   if (je[3] == '0' || je[4] == '0')        //亿和万之间是否有0
    str_y = "零";
   if (je[7] == '0' || je[8] == '0')        //万和元之间是否有0
    str_w = "零";

 

   string ret = str1 + str_y + str2 + str_w + str3;    //亿，万，元的三个大写合并

   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--)      //去掉最后的"零" 
   {
    if (ret[i] != '零')
    {
     ret = ret.Substring(0,i+1);
     break;
    }
   }
   
   if (ret[ret.Length  - 1] != '元')        //若最后不位不是'元'，则加一个'元'字
    ret = ret + "元";

   if (ret == "零零元")           //若为零元，则去掉"元数"，结果只要小数部分
    ret = "";
   
   if (strf == "00")            //下面是小数部分的转换
   {
    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转为"零叁分"，而直接转为"叁分"
   }

   return  ret;             //完成，返回

        
  }
  /// <summary>
  /// 把一个单元转为大写，如亿单元，万单元，个单元
  /// </summary>
  /// <param name="str">这个单元的小写数字（4位长，若不足，则前面补零）</param>
  /// <param name="strDW">亿，万，元</param>
  /// <returns>转换结果</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")           //保证若有两个零'00'，结果只有一个零，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')            //若第一个字符是'零'，则去掉
    ret = ret.Substring(1);
   if (ret[ret.Length - 1] == '零')        //若最后一个字符是'零'，则去掉
    ret = ret.Substring(0,ret.Length - 1);

   return ret + strDW;            //加上本单元的单位
   
  }
  /// <summary>
  /// 单个数字转为大写
  /// </summary>
  /// <param name="c">小写阿拉伯数字 0---9</param>
  /// <returns>大写数字</returns>
  private string getint(char c)
  {
   string str = "";
   switch ( c )
   {
    case '0':
     str = "零";
     break;
    case '1':
     str = "壹";
     break;
    case '2':
     str = "贰";
     break;
    case '3':
     str = "叁";
     break;
    case '4':
     str = "肆";
     break;
    case '5':
     str = "伍";
     break;
    case '6':
     str = "陆";
     break;
    case '7':
     str = "柒";
     break;

using System;namespace ManPowerManage.BussinessRule{/// <summary>/// DecimalToUpper 的摘要说明。/// </summary>public class DecimalToUpper{public DecimalToUpper(){//// TODO: 在此处添加构造函数逻辑//}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;//若小于15位长，前面补0string stry = je.Substring(0,4);//取得'亿'单元string strw = je.Substring(4,4);//取得'万'单元string strg = je.Substring(8,4);//取得'元'单元string strf = je.Substring(13,2);//取得小数部分string str1 = "",str2 = "",str3 = "";str1 = this.getupper(stry,"亿");//亿单元的大写str2 = this.getupper(strw,"万");//万单元的大写str3 = this.getupper(strg,"元");//元单元的大写string str_y = "", str_w = "";if (je[3] == '0' || je[4] == '0')//亿和万之间是否有0str_y = "零";if (je[7] == '0' || je[8] == '0')//万和元之间是否有0str_w = "零";string ret = str1 + str_y + str2 + str_w + str3;//亿，万，元的三个大写合并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--)//去掉最后的"零"{if (ret[i] != '零'){ret = ret.Substring(0,i+1);break;}}if (ret[ret.Length  - 1] != '元')//若最后不位不是'元'，则加一个'元'字ret = ret + "元";if (ret == "零零元")//若为零元，则去掉"元数"，结果只要小数部分ret = "";if (strf == "00")//下面是小数部分的转换{ret = ret + "整";}else{string tmp = "";tmp = this.getint(strf[0]);if (tmp == "零")ret = ret + tmp;elseret = ret + tmp + "角";tmp = this.getint(strf[1]);if (tmp == "零")ret = ret + "整";elseret = ret + tmp + "分";}if (ret[0] == '零'){ret = ret.Substring(1);//防止0.03转为"零叁分"，而直接转为"叁分"}return  ret;//完成，返回}/// <summary>/// 把一个单元转为大写，如亿单元，万单元，个单元/// </summary>/// <param name="str">这个单元的小写数字（4位长，若不足，则前面补零）</param>/// <param name="strDW">亿，万，元</param>/// <returns>转换结果</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")//保证若有两个零'00'，结果只有一个零，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')//若第一个字符是'零'，则去掉ret = ret.Substring(1);if (ret[ret.Length - 1] == '零')//若最后一个字符是'零'，则去掉ret = ret.Substring(0,ret.Length - 1);return ret + strDW;//加上本单元的单位}/// <summary>/// 单个数字转为大写/// </summary>/// <param name="c">小写阿拉伯数字 0---9</param>/// <returns>大写数字</returns>private string getint(char c){string str = "";switch ( c ){case '0':str = "零";break;case '1':str = "壹";break;case '2':str = "贰";break;case '3':str = "叁";break;case '4':str = "肆";break;case '5':str = "伍";break;case '6':str = "陆";break;case '7':str = "柒";break;case '8':str = "拐";break;case '9':str = "玖";break;}return str;}}}

    case '8':
     str = "拐";
     break;
    case '9':
     str = "玖";
     break;
   }
   return str;
  }

 }
}