第一种方法

function TPrintfrm.NumToChar(n: Real): wideString; //可以到万亿,并可随便扩大
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..11] of string =
(('零仟','零佰','零拾','零零零','零零',
'零亿','零万','零元','亿万','零角','零分','零整'),
( '零','零','零','零','零','亿','万','元','亿','零','整','整'));
var
i: Integer;
sNum :WideString;
begin
Result := '';
//n := Round(n*10)/10;
//FormatFloat('0.0',)
sNum := FormatFloat('0',n*100);
for i := 1 to Length(sNum) do
Result := Result + cNum[ord(sNum[i])-47] + cNum[26-Length(sNum)+i];
for i:= 0 to 11 do // 去掉多余的零
Result := StringReplace(result, cCha[0,i], cCha[1,i], [rfReplaceAll]);
end;

第二种方法function TSnnofrm.LowToUpcase(xx: Real): string;
var
i: Integer;
j,dxhj: string;
zero: boolean;
begin
j := FormatFloat('0.0',xx);
j := Trim(IntToStr(Round(xx*100)));
if pos('.',j) <> 0 then
j := Copy(j,1,pos('.',j)-1);
if j = '' then
j:='0';
if copy(j,length(j),1) = '0' then
begin
dxhj := '整';
zero := True;
end
else
begin
dxhj := '';
zero := False;
end;

for i := 0 to Length(j)-1 do
begin
if StrToInt(Copy(j,Length(j)-i,1)) <> 0 then
case i of
0: dxhj := '分'+dxhj;
1: dxhj := '角'+dxhj;
2: dxhj := '元'+dxhj;
3: dxhj := '拾'+dxhj;
4: dxhj := '佰'+dxhj;
5: dxhj := '仟'+dxhj;
6: dxhj := '万'+dxhj;
7: dxhj := '拾'+dxhj;
8: dxhj := '佰'+dxhj;
9: dxhj := '仟'+dxhj;
10: dxhj := '亿'+dxhj;
11: dxhj := '拾'+dxhj;
end;

case StrToInt(Copy(j,Length(j)-i,1)) of
0:
begin
if not zero then
dxhj := '零'+dxhj;
zero := True;
end;
1:
begin
dxhj := '壹'+dxhj;
zero := False;
end;
2:
begin
dxhj := '贰'+dxhj;
zero := False;
end;
3:
begin
dxhj := '叁'+dxhj;
zero := False;
end;
4:
begin
dxhj := '肆'+dxhj;
zero := False;
end;
5:
begin
dxhj := '五'+dxhj;
zero := False;
end;
6:
begin
dxhj := '六'+dxhj;
zero := False;
end;
7:
begin
dxhj := '七'+dxhj;
zero := False;
end;
8:
begin
dxhj := '八'+dxhj;
zero := False;
end;
9:
begin
dxhj := '玖'+dxhj;
zero := False;
end;
end;
end;
if dxhj = '整' then
dxhj := '';
Result := dxhj;
end;


第三种方法function NumberCn(mNumber: Real): WideString;

const

cPointCn: WideString = '点十百千万十百千亿十百千';

cNumberCn: WideString = '零一二三四五六七八九';

var

I, L, P: Integer;

S: string;

begin

Result := '';

if mNumber = 0 then begin

Result := cNumberCn[1];

Exit;

end;

S := FloatToStr(mNumber);

if Pos('.', S) <= 0 then S := S + '.';

P := Pos('.', S);

L := Length(S);

for I := 1 to L do

if P > I then

Result := Result + cNumberCn[StrToInt(S[I]) + 1] + cPointCn[P - I]

else if P = I then begin

Result := StringReplace(Result, '零十零', '零', [rfReplaceAll]);

Result := StringReplace(Result, '零百零', '零', [rfReplaceAll]);

Result := StringReplace(Result, '零千零', '零', [rfReplaceAll]);

Result := StringReplace(Result, '零十', '零', [rfReplaceAll]);

Result := StringReplace(Result, '零百', '零', [rfReplaceAll]);

Result := StringReplace(Result, '零千', '零', [rfReplaceAll]);

Result := StringReplace(Result, '零万', '万', [rfReplaceAll]);

Result := StringReplace(Result, '零亿', '亿', [rfReplaceAll]);

Result := StringReplace(Result, '亿万', '亿', [rfReplaceAll]);

Result := StringReplace(Result, '零点', '点', [rfReplaceAll]);

end else if P < I then

Result := Result + cNumberCn[StrToInt(S[I]) + 1];

if Result[Length(Result)] = cPointCn[1] then

Result := Copy(Result, 1, Length(Result) - 1);

if Result[1] = cPointCn[1] then Result := cNumberCn[1] + Result;

if (Length(Result) > 1) and (Result[2] = cPointCn[2]) and

(Result[1] = cNumberCn[2]) then

Delete(Result, 1, 1);

end; { NumberCn }

function MoneyCn(mMoney: Real): WideString;

var

P: Integer;

begin

if mMoney = 0 then begin

Result := '无';

Exit; //www.delphitop.com

end;

Result := NumberCn(Round(mMoney * 100) / 100);

Result := StringReplace(Result, '一', '壹', [rfReplaceAll]);

Result := StringReplace(Result, '二', '贰', [rfReplaceAll]);

Result := StringReplace(Result, '三', '叁', [rfReplaceAll]);

Result := StringReplace(Result, '四', '肆', [rfReplaceAll]);

Result := StringReplace(Result, '五', '伍', [rfReplaceAll]);

Result := StringReplace(Result, '六', '陆', [rfReplaceAll]);

Result := StringReplace(Result, '七', '柒', [rfReplaceAll]);

Result := StringReplace(Result, '八', '捌', [rfReplaceAll]);

Result := StringReplace(Result, '九', '玖', [rfReplaceAll]);

Result := StringReplace(Result, '九', '玖', [rfReplaceAll]);

Result := StringReplace(Result, '十', '拾', [rfReplaceAll]);

Result := StringReplace(Result, '百', '佰', [rfReplaceAll]);

Result := StringReplace(Result, '千', '仟', [rfReplaceAll]);

P := Pos('点', Result);

if P > 0 then begin

Insert('分', Result, P + 3);

Insert('角', Result, P + 2);

Result := StringReplace(Result, '点', '圆', [rfReplaceAll]);

Result := StringReplace(Result, '角分', '角', [rfReplaceAll]);

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

Result := StringReplace(Result, '零角', '', [rfReplaceAll]);

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

if Copy(Result, 1, 2) = '零圆' then

Result := StringReplace(Result, '零圆', '', [rfReplaceAll]);

end else Result := Result + '圆整';

Result := '人民币' + Result;

end;


第四种方法给你个函数吧
function Tjfdy.SmallTOBig(small:real):string;
var
SmallMonth,BigMonth:string;
wei1,qianwei1:string[2];
qianwei,dianweizhi,qian:integer;
begin
{------- 修改参数令值更精确 -------}
{小数点后的位数，需要的话也可以改动该值}
qianwei:=-2;

{转换成货币形式，需要的话小数点后加多几个零}
Smallmonth:=formatfloat('0.00',small);
{---------------------------------}

dianweizhi :=pos('.',Smallmonth);{小数点的位置}

{循环小写货币的每一位，从小写的右边位置到左边}
for qian:=length(Smallmonth) downto 1 do
begin
{如果读到的不是小数点就继续}
if qian<>dianweizhi then
begin

{位置上的数转换成大写}
case strtoint(copy(Smallmonth,qian,1)) of

1:wei1:='壹'; 2:wei1:='贰';
3:wei1:='叁'; 4:wei1:='肆';
5:wei1:='伍'; 6:wei1:='陆';
7:wei1:='柒'; 8:wei1:='捌';
9:wei1:='玖'; 0:wei1:='零';
end;

{判断大写位置，可以继续增大到real类型的最大值，可是谁有那么多钱}
case qianwei of
-3:qianwei1:='厘';
-2:qianwei1:='分';
-1:qianwei1:='角';
0 :qianwei1:='元';
1 :qianwei1:='拾';
2 :qianwei1:='佰';
3 :qianwei1:='千';
4 :qianwei1:='万';
5 :qianwei1:='拾';
6 :qianwei1:='佰';
7 :qianwei1:='千';
8 :qianwei1:='亿';
9 :qianwei1:='十';
10:qianwei1:='佰';
11:qianwei1:='千';
end;
inc(qianwei);
BigMonth :=wei1+qianwei1+BigMonth;{组合成大写金额}
end;
end;
SmallTOBig:=BigMonth;
end;

第五种方法Function TFormFhdCw.XxToDx(const hjnum:real):String;
var Vstr,zzz,cc,cc1,Presult:string;

xxbb:array[1..12]of string;

uppna:array[0..9] of string;

iCount,iZero,vPoint,vdtlno:integer;

begin

//*设置大写中文数字和相应单位数组*//

xxbb[1]:='亿';

xxbb[2]:='仟';

xxbb[3]:='佰';

xxbb[4]:='拾';

xxbb[5]:='万';

xxbb[6]:='仟';

xxbb[7]:='佰';

xxbb[8]:='拾';

xxbb[9]:='元';

xxbb[10]:='.';

xxbb[11]:='角';

xxbb[12]:='分';

uppna[0]:='零';

uppna[1]:='壹';

uppna[2]:='贰';

uppna[3]:='叁';

uppna[4]:='肆';

uppna[5]:='伍';

uppna[6]:='陆';

uppna[7]:='柒';

uppna[8]:='捌';

uppna[9]:='玖';

Str(hjnum:12:2,Vstr);

cc:='';

cc1:='';

zzz:='';

result:='';

presult:='';

iZero:=0;

vPoint:=0;

for iCount:=1 to 10 do

begin

cc:=Vstr[iCount];

if cc<>' ' then

begin

zzz:=xxbb[iCount];

if cc='0' then

begin

if iZero<1 then //*对“零”进行判断*//

cc:='零'

else

cc:='';

if iCount=5 then //*对万位“零”的处理*//

if copy(result,length(result)-1,2)='零' then

result:=copy(result,1,length(result)-2)+xxbb[iCount]

+'零'

else

result:=result+xxbb[iCount];

cc1:=cc;

zzz:='';

iZero:=iZero+1;

end

else

begin

if cc='.' then

begin

cc:='';

if (cc1='') or (cc1='零') then

begin

Presult:=copy(result,1,Length(result)-2);

result:=Presult;

iZero:=15;

end;

if iZero>=1 then

zzz:=xxbb[9]

else

zzz:='';

vPoint:=1;

end

else

begin

iZero:=0;

cc:=uppna[StrToInt(cc)];  //www.delphitop.com

end

end;

result:=result+(cc+zzz)

end;

end;

If Vstr[11]='0' then //*对小数点后两位进行处理*//

begin

if Vstr[12]<>'0' then

begin

cc:='零';

result:=result+cc;

cc:=uppna[StrToInt(Vstr[12])];

result:=result+(uppna[0]+cc+xxbb[12]);

end

end

else

begin

if iZero=15 then

begin

cc:='零';

result:=result+cc;

end;

cc:=uppna[StrToInt(Vstr[11])];

result:=result+(cc+xxbb[11]);

if Vstr[12]<>'0' then

begin

cc:=uppna[StrToInt(Vstr[12])];

result:=result+(cc+xxbb[12]);

end;

end;

result:=result+'正';

end;

第六种方法给你一段很短的代码吧，好用，我用过的
function TForm1.xTOd(i:Real):string;
const
d='零壹贰叁肆伍陆柒捌玖分角元拾佰仟万拾佰仟亿';
var
m,k:string;
j:integer;
begin
k:='';
m:=floattostr(int(i*100));
for j:=length(m) downto 1 do
k:=k+d[(strtoint(m[Length(m)-j+1])+1)*2-1]+
d[(strtoint(m[Length(m)-j+1])+1)*2]+d[(10+j)*2-1]+d[(10+j)*2];
xTOd:=k;
end;

调用：
procedure TForm1.Button1Click(Sender: TObject);
var
Sum:real;
begin
sum:=12.34;
showmessage('人民币大写:'+xTOd(Sum));
end;

第七种方法function SmallTOBig(small:real):string;
var SmallMonth,BigMonth:string;
wei1,qianwei1:string[2];
wei,qianwei,dianweizhi,qian:integer;
begin
{------- 修改参数令值更精确 -------}
{小数点后的位置，需要的话也可以改动-2值}
qianwei:=-2;
{转换成货币形式，需要的话小数点后加多几个零}
Smallmonth:=formatfloat('0.00',small);
{---------------------------------}
dianweizhi :=pos('.',Smallmonth);{小数点的位置}
{循环小写货币的每一位，从小写的右边位置到左边}
for qian:=length(Smallmonth) downto 1 do
begin
{如果读到的不是小数点就继续}
if qian<>dianweizhi then
begin
{位置上的数转换成大写}
case strtoint(copy(Smallmonth,qian,1)) of
1:wei1:='壹'; 2:wei1:='贰';
3:wei1:='叁'; 4:wei1:='肆';
5:wei1:='伍'; 6:wei1:='陆';
7:wei1:='柒'; 8:wei1:='捌';
9:wei1:='玖'; 0:wei1:='零';
end;
{判断大写位置，可以继续增大到real类型的最大值}
case qianwei of
-3:qianwei1:='厘';
-2:qianwei1:='分';
-1:qianwei1:='角';
0 :qianwei1:='元';
1 :qianwei1:='拾';
2 :qianwei1:='佰';
3 :qianwei1:='千';
4 :qianwei1:='万';
5 :qianwei1:='拾';
6 :qianwei1:='佰';
7 :qianwei1:='千';
8 :qianwei1:='亿';
9 :qianwei1:='十';
10:qianwei1:='佰';
11:qianwei1:='千';
end;
inc(qianwei);
BigMonth :=wei1+qianwei1+BigMonth;{组合成大写金额}
end;
end;
SmallTOBig:=BigMonth;
end;

第八种是小写转大写用Delphi编写人民币大小写转换程序 本文是大写==>>小写 要小写==>>大写请跟我联系!
在财务管理系统中，有时需要打印大写人民币数字，于是笔者编写了以下一些函数使这一需要得以满足，现介绍如下：
注：copy(2005-Jey-QQ:344430663)本程序在Delphi7、Winwin2000下调试通过。}
function TForm1.shuzi(jey: string):string ;
var
i:integer;
s,s1,s2:integer;
ab:integer;
a,b,s3,s4:string;
begin
i:=1; ab:=0; a:=''; b:='';s:=0;s1:=0;s2:=0;s3:='0';s4:='0';
while i<=length(jey) do
begin
ab:=strtoint(shuzi1(copy(jey,i,2)));
if ab=10000000 then
begin
b:=copy(jey,i+2,length(jey));
a:=copy(jey,1,i-1)+'元';
end;
i:=i+2;
end; //end-- while
if length(b)=0 then b:=jey;
i:=1;
while i<=length(b) do
begin
s1:=strtoint(shuzi1(copy(b,i,2)));
if s1 in [0..9] then
begin
s:=s1;
end
else
begin
s:=s1*s;
s3:=inttostr((s)+strtoint(s3));
s:=0;
end;
i:=i+2;
end; //end-- while

i:=1;s:=0;s1:=0;s2:=0;
while i<=length(a) do
begin
s1:=strtoint(shuzi1(copy(a,i,2)));
if s1 in [0..9] then
begin
s:=s1;
end
else
begin
s:=s1*s;
s4:=inttostr((s)+strtoint(s4));
s:=0;
end;
i:=i+2;
end; //end-- while

if length(s4)>1 then
result:=inttostr(strtoint(copy(s4,1,length(s4)-3))*10000+(strtoint(s3)div 1000))
else
result:=inttostr(strtoint(s3)div 1000);
if strtoint(copy(s3,length(s3)-1,1))<>0 then
result:=result+'.'+copy(s3,length(s3)-2,2)
else if strtoint(copy(s3,length(s3)-2,1))<>0 then
result:=result+'.'+copy(s3,length(s3)-2,1);

end; //end-- begin

function TForm1.shuzi1(jey: string):string;
var
i:integer;
s:integer;
s1:string;
shu1:array of string[2];
begin
s1:='168';
i:=0;
SetLength(shu1,17);
shu1[16]:='万';shu1[15]:='仟';
shu1[14]:='佰'; shu1[13]:='拾'; shu1[12]:='元';shu1[11]:='角';shu1[10]:='分';
SHU1[0]:='零';SHU1[1]:='壹';SHU1[2]:='贰';SHU1[3]:='叁';SHU1[4]:='肆';
SHU1[5]:='伍';SHU1[6]:='陆';SHU1[7]:='柒';SHU1[8]:='捌';SHU1[9]:='玖';
for i:=0 to 16 do
begin
if jey<>shu1[i] then continue;
s:=i;
break;
end;
case s of
0:s1:='0';
1:s1:='1';
2:s1:='2';
3:s1:='3';
4:s1:='4';
5:s1:='5';
6:s1:='6';
7:s1:='7';
8:s1:='8';
9:s1:='9';
10:s1:='10';
11:s1:='100';
12:s1:='1000';
13:s1:='10000';
14:s1:='100000';
15:s1:='1000000';
16:s1:='10000000';
end;
result:=s1;
end;

第九种方法
Function NtoC(n0 :real) :String;
Function IIF(b :boolean; s1,s2:string):string;
begin //本函数在VFP和VB中均为系统内部函数
if b then IIF:=s1 else IIF:=s2;
end;
Const c = '零壹贰叁肆伍陆柒捌玖◇分角圆拾佰仟万拾佰仟亿拾佰仟万';
var L,i,n, code :integer;
Z :boolean;
s, st,st1 :string;
begin
s :=FormatFloat( '0.00', n0);
L :=Length(s);
Z :=n0<1;
For i:= 1 To L-3 do
begin
Val(Copy(s, L-i-2, 1), n, code);
st:=IIf((n=0)And(Z Or (i=9)Or(i=5)Or(i=1)), '', Copy(c, n*2+1, 2))
+ IIf((n=0)And((i<>9)And(i<>5)And(i<>1)Or Z And(i=1)),'',Copy(c,(i+13)*2-1,2))
+ st;
Z := (n=0);
end;
Z := False;
For i:= 1 To 2 do
begin
Val(Copy(s, L-i+1, 1), n, code);
st1:= IIf((n=0)And((i=1)Or(i=2)And(Z Or (n0<1))), '', Copy(c, n*2+1, 2))
+ IIf((n>0), Copy(c,(i+11)*2-1, 2), IIf((i=2) Or Z, '', '整'))
+ st1;
Z := (n=0);
end;
For i := 1 To Length(st) do If Copy(st, i, 4) = '亿万' Then Delete(st,i+2,2);
NtoC := IIf( n0=0, '零圆整', st + st1);
End;

第十种 FastReport 创建"人民币大小写转换"自定义函数 FastReport 3.23.12 创建"人民币大小写转换"自定义函数

控件版本是:FastReport 3.23.12 Enterpise for d2006 (DeXter)

设置如下:

function TJzpzEdit1.MoneyCn(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;
//////////
procedure TJzpzEdit1.FormCreate(Sender: TObject);
begin
frxReport1.AddFunction('function MoneyCn(mmje: Double): String;','Myfunction','小写金额转大写的函数');
end;
//////////
function TJzpzEdit1.frxReport1UserFunction(const MethodName: string;
var Params: Variant): Variant;
begin
if UpperCase(MethodName) = UpperCase('MoneyCn') then
Result := MoneyCn(Params[0]);
end;
//////////
报表中调用方法
MoneyCn(50000000)




第十一种方法 10行搞定数字转换成大写金额//10行搞定数字转换成大写金额
//原创 渴死的鱼 hanlin2020@hotmail.com
//改编 inRm inrm@263.net
function NumToChar( n:Real): wideString; //可以到万亿,并可随便扩大
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..11]of string =
(( '零仟','零佰','零拾','零零零','零零',
'零亿','零万','零元','亿万','零角','零分','零整'),
( '零','零','零','零','零','亿','万','元','亿','零','整','整'));
var i :Integer;
sNum :WideString;
begin
result := '';
sNum := FormatFloat('0',n*100);
for i := 1 to Length(sNum) do
result := result + cNum[ord(sNum[i])-47] + cNum[26-Length(sNum)+i];
for i:= 0 to 11 do //去掉多余的零
result := StringReplace(result, cCha[0,i], cCha[1,i], [rfReplaceAll]);
end;

第十二种方法 小写金额转换为大写 小写金额转换为大写



function MoneyToUpper(const NumBer: Double): string;
var StrNumber, AUpperNum, AMoneyUnit: string;
UpperNum: array[0..9] of string;
MoneyUnit: array[1..16] of string;
I: Integer;
AZero: Boolean;
N: Double;
begin
UpperNum[1] := '壹';
UpperNum[2] := '贰';
UpperNum[3] := '叁';
UpperNum[4] := '肆';
UpperNum[5] := '伍';
UpperNum[6] := '陆';
UpperNum[7] := '柒';
UpperNum[8] := '捌';  //www.delphitop.com
UpperNum[9] := '玖';

MoneyUnit[1] := '万';
MoneyUnit[2] := '仟';
MoneyUnit[3] := '佰';
MoneyUnit[4] := '拾';
MoneyUnit[5] := '亿';
MoneyUnit[6] := '仟';
MoneyUnit[7] := '佰';
MoneyUnit[8] := '拾';
MoneyUnit[9] := '万';
MoneyUnit[10] := '仟';
MoneyUnit[11] := '佰';
MoneyUnit[12] := '拾';
MoneyUnit[13] := '元';
MoneyUnit[14] := '.';
MoneyUnit[15] := '角';
MoneyUnit[16] := '分';

AZero := False;
AUpperNum := '';
AMoneyUnit := '';
result := '';
if NumBer < 0 then
begin
result := '负';
N := -NumBer;
end
else
N := NumBer;
Str(N: 16: 2, StrNumber);

for I := 1 to 16 do
begin
if StrNumber[I] <> ' ' then
begin
AMoneyUnit := MoneyUnit[I];
if StrNumber[I] = '0' then
begin
if AZero and (copy(result, Length(result) - 1, 2) = '零') then
result := copy(result, 1, Length(result) - 2);
case I of
1..4, 6..8, 10..12: begin // 万，仟，佰，拾
AUpperNum := '零';
AMoneyUnit := '';
end;
5, 9, 13: begin // 亿，万，元
if StrToFloat(StrNumber) < 1 then AMoneyUnit := '';
AUpperNum := '';
end;
15: begin // 角
if StrToFloat(StrNumber) < 1 then AUpperNum := ''
else AUpperNum := '零';
AMoneyUnit := '';
end;
16: begin // 分
AUpperNum := '';
AMoneyUnit := '';
end;
end;
AZero := True;
end
else
begin
if StrNumber[I] = '.' then
begin
AUpperNum := '';
AMoneyUnit := '';
end
else
begin
AZero := False;
AUpperNum := UpperNum[StrToInt(StrNumber[I])];
end
end;  //www.delphitop.com
result := result + (AUpperNum + AMoneyUnit)
end;
end;
result := result + '整';
end;