小写金额转换成大写

  private     string  RMBEncode( decimal  num)
    {

         try
        {

             string  str1  =   " 零壹贰叁肆伍陆柒捌玖 " ;

             string  str2  =   " 万仟佰拾亿仟佰拾万仟佰拾元角分 " ;

             string  str3  =   "" ;

             string  str4  =   "" ;

             string  str5  =   "" ;

             string  ch1  =   "" ;

             string  ch2  =   "" ;

             int  nzero  =   0 ;

            num  =  Math.Round(Math.Abs(num),  2 );

            str4  =  (( long )(num  *  100M)).ToString();

             int  j  =  str4.Length;

             if  (j  >   15 )
            {

                 return   " 溢出 " ;

            }

            str2  =  str2.Substring( 15   -  j);

             for  ( int  i  =   0 ; i  <  j; i ++ )
            {

                str3  =  str4.Substring(i,  1 );

                 int  temp  =  Convert.ToInt32(str3);

                 if  ((((i  !=  (j  -   3 ))  &&  (i  !=  (j  -   7 )))  &&  (i  !=  (j  -   11 )))  &&  (i  !=  (j  -   15 )))
                {

                     if  (str3  ==   " 0 " )
                    {

                        ch1  =   "" ;

                        ch2  =   "" ;

                        nzero ++ ;

                    }

                     else   if  ((str3  !=   " 0 " )  &&  (nzero  !=   0 ))
                    {

                        ch1  =   " 零 "   +  str1.Substring(temp,  1 );

                        ch2  =  str2.Substring(i,  1 );

                        nzero  =   0 ;

                    }

                     else
                    {

                        ch1  =  str1.Substring(temp,  1 );

                        ch2  =  str2.Substring(i,  1 );

                        nzero  =   0 ;

                    }

                }

                 else   if  ((str3  !=   " 0 " )  &&  (nzero  !=   0 ))
                {

                    ch1  =   " 零 "   +  str1.Substring(temp,  1 );

                    ch2  =  str2.Substring(i,  1 );

                    nzero  =   0 ;

                }

                 else   if  ((str3  !=   " 0 " )  &&  (nzero  ==   0 ))
                {

                    ch1  =  str1.Substring(temp,  1 );

                    ch2  =  str2.Substring(i,  1 );

                    nzero  =   0 ;

                }

                 else   if  ((str3  ==   " 0 " )  &&  (nzero  >=   3 ))
                {

                    ch1  =   "" ;

                    ch2  =   "" ;

                    nzero ++ ;

                }

                 else   if  (j  >=   11 )
                {

                    ch1  =   "" ;

                    nzero ++ ;

                }

                 else
                {

                    ch1  =   "" ;

                    ch2  =  str2.Substring(i,  1 );

                    nzero ++ ;

                }

                 if  ((i  ==  (j  -   11 ))  ||  (i  ==  (j  -   3 )))
                {

                    ch2  =  str2.Substring(i,  1 );

                }

                str5  =  str5  +  ch1  +  ch2;

                 if  ((i  ==  (j  -   1 ))  &&  (str3  ==   " 0 " ))
                {

                    str5  =  str5  +   ' 整 ' ;

                }

            }

             if  (num  ==  0M)
            {

                str5  =   " 零元整 " ;

            }

             return  str5;

        }

         catch
        {

             return   " 非法数据 " ;

        }

    }



     public    string  RMBEncode( string  numstr)
    {

         try
        {

             return  RMBEncode(Convert.ToDecimal(numstr));

        }

         catch
        {

             return   " 非数字形式！ " ;

        }

    }