function NumToChar(const n: Real): string; //可以到万亿，并且可以随便扩大范围 
const cNum: WideString = '零壹贰叁肆伍陆柒捌玖--万仟佰拾亿仟佰拾万仟佰拾元角分'; 
cCha:array[0..1, 0..12]of string = (( '零元','零拾','零佰','零仟','零万','零亿','亿万','零零零','零零','零万','零亿','亿万','零元'), ( '元','零','零','零','万','亿','亿','零','零','万','亿','亿','元')); 

var i : Integer; 
sNum,sTemp : WideString; 
begin 
result :=''; 
sNum := format('%15d',[round(n * 100)]); 
for i := 0 to 14 do 
begin 
stemp := copy(snum,i+1,1); 
if stemp=' ' then continue 
else result := result + cNum[strtoint(stemp)+1] + cNum[i+13]; 
end; 
for i:= 0 to 12 do 
Result := StringReplace(Result, cCha[0,i], cCha[1,i], [rfReplaceAll]); 
if pos('零分',result)=0 then 
Result := StringReplace(Result, '零角', '零', [rfReplaceAll]) 
else Result := StringReplace(Result, '零角','整', [rfReplaceAll]); 

Result := StringReplace(Result, '零分','', [rfReplaceAll]); 
end; 

function Changdx2(mmje: Double): String; 
const s1: String = '零壹贰叁肆伍陆柒捌玖'; 
s2: String = '分角元拾佰仟万拾佰仟亿拾佰仟万'; 
function StrTran(const S, S1, S2: String): String; 
begin 
Result := StringReplace(S, S1, S2, [rfReplaceAll]); 
end; 
var s, dx: String; 
i, Len: Integer; 
begin 
if mmje < 0 then 
begin 
dx := '负'; 
mmje := -mmje; 
end; 
s := Format('%.0f', [mmje*100]); 
Len := Length(s); 
for i := 1 to Len do 
dx := dx + Copy(s1, (Ord(s[i]) - Ord('0'))*2 + 1, 2) + Copy(s2, (Len - i)*2 + 1, 2); 
dx := StrTran(StrTran(StrTran(StrTran(StrTran(dx, '零仟', '零'), '零佰', '零'), '零拾', '零'), '零角', '零'), '零分', '整'); dx := StrTran(StrTran(StrTran(StrTran(StrTran(dx, '零零', '零'), '零零', '零'), '零亿', '亿'), '零万', '万'), '零元', '元'); if dx = '整' then 
Result := '零元整' 
else Result := StrTran(StrTran(dx, '亿万', '亿零'), '零整', '整'); 
end;