Число английской строкой
01.01.2007
unit uNum2Str;
// Possible enhancements
// Move strings out to resource files
// Put in a general num2str utility
interface
function Num2Dollars(dNum: double): string;
implementation
uses SysUtils;
function LessThan99(dNum: double): string; forward;
// floating point modulus
function FloatMod(i, j: double): double;
begin
result := i - (Int(i / j) * j);
end;
function Hundreds(dNum: double): string;
var
workVar: double;
begin
if (dNum < 100) or (dNum > 999) then raise Exception.Create('hundreds range exceeded');
result := '';
workVar := Int(dNum / 100);
if workVar > 0 then result := LessThan99(workVar) + ' Hundred';
end;
function OneToNine(dNum: Double): string;
begin
if (dNum < 1) or (dNum > 9) then raise exception.create('onetonine: value out of range');
result := 'woops';
if dNum = 1 then result := 'One' else
if dNum = 2 then result := 'Two' else
if dNum = 3 then result := 'Three' else
if dNum = 4 then result := 'Four' else
if dNum = 5 then result := 'Five' else
if dNum = 6 then result := 'Six' else
if dNum = 7 then result := 'Seven' else
if dNum = 8 then result := 'Eight' else
if dNum = 9 then result := 'Nine';
end;
function ZeroTo19(dNum: double): string;
begin
if (dNum < 0) or (dNum > 19) then raise Exception.Create('Bad value in dNum');
result := '';
if dNum = 0 then result := 'Zero' else
if (dNum <= 1) and (dNum >= 9) then result := OneToNine(dNum) else
if dNum = 10 then result := 'Ten' else
if dNum = 11 then result := 'Eleven' else
if dNum = 12 then result := 'Twelve' else
if dNum = 13 then result := 'Thirteen' else
if dNum = 14 then result := 'Fourteen' else
if dNum = 15 then result := 'Fifteen' else
if dNum = 16 then result := 'Sixteen' else
if dNum = 17 then result := 'Seventeen' else
if dNum = 18 then result := 'Eighteen' else
if dNum = 19 then result := 'Nineteen' else
result := 'woops!';
end;
function TwentyTo99(dNum: double): string;
var BigNum: string;
begin
if (dNum < 20) or (dNum > 99) then raise exception.Create('TwentyTo99: dNum out of range!');
BigNum := 'woops';
if dNum >= 90 then BigNum := 'Ninety' else
if dNum >= 80 then BigNum := 'Eighty' else
if dNum >= 70 then BigNum := 'Seventy' else
if dNum >= 60 then BigNum := 'Sixty' else
if dNum >= 50 then BigNum := 'Fifty' else
if dNum >= 40 then BigNum := 'Forty' else
if dNum >= 30 then BigNum := 'Thirty' else
if dNum >= 20 then BigNum := 'Twenty';
// lose the big num
dNum := FloatMod(dNum, 10);
if dNum > 0.00 then
result := BigNum + ' ' + OneToNine(dNum)
else
result := BigNum;
end;
function LessThan99(dNum: double): string;
begin
if dNum <= 19 then
result := ZeroTo19(dNum)
else
result := TwentyTo99(dNum);
end;
function Num2Dollars(dNum: double): string;
var
centsString: string;
cents: double;
workVar: double;
begin
result := '';
if dNum < 0 then raise Exception.Create('Negative numbers not supported');
if dNum > 999999999.99 then
raise Exception.Create('Num2Dollars only supports up to the millions at this point!');
cents := (dNum - Int(dNum)) * 100.0;
if cents = 0.0 then centsString := 'and 00/100 Dollars' else
if cents < 10 then centsString := Format('and 0%1.0f/100 Dollars', [cents]) else
centsString := Format('and %2.0f/100 Dollars', [cents]);
dNum := Int(dNum - (cents / 100.0)); // lose the cents
// deal with million's
if (dNum >= 1000000) and (dNum <= 999999999) then
begin
workVar := dNum / 1000000;
workVar := Int(workVar);
if (workVar <= 9) then result := ZeroTo19(workVar) else
if (workVar <= 99) then result := LessThan99(workVar) else
if (workVar <= 999) then result := Hundreds(workVar) else
result := 'mill fubar';
result := result + ' Million';
dNum := dNum - (workVar * 1000000);
end;
// deal with 1000's
if (dNum >= 1000) and (dNum <= 999999.99) then
begin
// doing the two below statements in one line of code yields some really
// freaky floating point errors
workVar := dNum / 1000;
workVar := Int(workVar);
if (workVar <= 9) then result := ZeroTo19(workVar) else
if (workVar <= 99) then result := LessThan99(workVar) else
if (workVar <= 999) then result := Hundreds(workVar) else
result := 'thou fubar';
result := result + ' Thousand';
dNum := dNum - (workVar * 1000);
end;
// deal with 100's
if (dNum >= 100.00) and (dNum <= 999.99) then
begin
result := result + ' ' + Hundreds(dNum);
dNum := FloatMod(dNum, 100);
end;
// format in anything less than 100
if (dNum > 0) or ((dNum = 0) and (Length(result) = 0)) then
begin
result := result + ' ' + LessThan99(dNum);
end;
result := result + ' ' + centsString;
end;
end.
function HundredAtATime(TheAmount: Integer): string;
var
TheResult: string;
begin
TheResult := '';
TheAmount := Abs(TheAmount);
while TheAmount > 0 do
begin
if TheAmount >= 900 then
begin
TheResult := TheResult + 'Nine hundred ';
TheAmount := TheAmount - 900;
end;
if TheAmount >= 800 then
begin
TheResult := TheResult + 'Eight hundred ';
TheAmount := TheAmount - 800;
end;
if TheAmount >= 700 then
begin
TheResult := TheResult + 'Seven hundred ';
TheAmount := TheAmount - 700;
end;
if TheAmount >= 600 then
begin
TheResult := TheResult + 'Six hundred ';
TheAmount := TheAmount - 600;
end;
if TheAmount >= 500 then
begin
TheResult := TheResult + 'Five hundred ';
TheAmount := TheAmount - 500;
end;
if TheAmount >= 400 then
begin
TheResult := TheResult + 'Four hundred ';
TheAmount := TheAmount - 400;
end;
if TheAmount >= 300 then
begin
TheResult := TheResult + 'Three hundred ';
TheAmount := TheAmount - 300;
end;
if TheAmount >= 200 then
begin
TheResult := TheResult + 'Two hundred ';
TheAmount := TheAmount - 200;
end;
if TheAmount >= 100 then
begin
TheResult := TheResult + 'One hundred ';
TheAmount := TheAmount - 100;
end;
if TheAmount >= 90 then
begin
TheResult := TheResult + 'Ninety ';
TheAmount := TheAmount - 90;
end;
if TheAmount >= 80 then
begin
TheResult := TheResult + 'Eighty ';
TheAmount := TheAmount - 80;
end;
if TheAmount >= 70 then
begin
TheResult := TheResult + 'Seventy ';
TheAmount := TheAmount - 70;
end;
if TheAmount >= 60 then
begin
TheResult := TheResult + 'Sixty ';
TheAmount := TheAmount - 60;
end;
if TheAmount >= 50 then
begin
TheResult := TheResult + 'Fifty ';
TheAmount := TheAmount - 50;
end;
if TheAmount >= 40 then
begin
TheResult := TheResult + 'Fourty ';
TheAmount := TheAmount - 40;
end;
if TheAmount >= 30 then
begin
TheResult := TheResult + 'Thirty ';
TheAmount := TheAmount - 30;
end;
if TheAmount >= 20 then
begin
TheResult := TheResult + 'Twenty ';
TheAmount := TheAmount - 20;
end;
if TheAmount >= 19 then
begin
TheResult := TheResult + 'Nineteen ';
TheAmount := TheAmount - 19;
end;
if TheAmount >= 18 then
begin
TheResult := TheResult + 'Eighteen ';
TheAmount := TheAmount - 18;
end;
if TheAmount >= 17 then
begin
TheResult := TheResult + 'Seventeen ';
TheAmount := TheAmount - 17;
end;
if TheAmount >= 16 then
begin
TheResult := TheResult + 'Sixteen ';
TheAmount := TheAmount - 16;
end;
if TheAmount >= 15 then
begin
TheResult := TheResult + 'Fifteen ';
TheAmount := TheAmount - 15;
end;
if TheAmount >= 14 then
begin
TheResult := TheResult + 'Fourteen ';
TheAmount := TheAmount - 14;
end;
if TheAmount >= 13 then
begin
TheResult := TheResult + 'Thirteen ';
TheAmount := TheAmount - 13;
end;
if TheAmount >= 12 then
begin
TheResult := TheResult + 'Twelve ';
TheAmount := TheAmount - 12;
end;
if TheAmount >= 11 then
begin
TheResult := TheResult + 'Eleven ';
TheAmount := TheAmount - 11;
end;
if TheAmount >= 10 then
begin
TheResult := TheResult + 'Ten ';
TheAmount := TheAmount - 10;
end;
if TheAmount >= 9 then
begin
TheResult := TheResult + 'Nine ';
TheAmount := TheAmount - 9;
end;
if TheAmount >= 8 then
begin
TheResult := TheResult + 'Eight ';
TheAmount := TheAmount - 8;
end;
if TheAmount >= 7 then
begin
TheResult := TheResult + 'Seven ';
TheAmount := TheAmount - 7;
end;
if TheAmount >= 6 then
begin
TheResult := TheResult + 'Six ';
TheAmount := TheAmount - 6;
end;
if TheAmount >= 5 then
begin
TheResult := TheResult + 'Five ';
TheAmount := TheAmount - 5;
end;
if TheAmount >= 4 then
begin
TheResult := TheResult + 'Four ';
TheAmount := TheAmount - 4;
end;
if TheAmount >= 3 then
begin
TheResult := TheResult + 'Three ';
TheAmount := TheAmount - 3;
end;
if TheAmount >= 2 then
begin
TheResult := TheResult + 'Two ';
TheAmount := TheAmount - 2;
end;
if TheAmount >= 1 then
begin
TheResult := TheResult + 'One ';
TheAmount := TheAmount - 1;
end;
end;
HundredAtATime := TheResult;
end;
function Real2CheckAmount(TheAmount: Real): string;
var
IntVal: LongInt;
TmpVal: Integer;
TmpStr,
RetVal: string;
begin
TheAmount := Abs(TheAmount);
{ центы }
TmpVal := Round(Frac(TheAmount) * 100);
IntVal := Trunc(TheAmount);
TmpStr := HundredAtATime(TmpVal);
if TmpStr = '' then TmpStr := 'Zero ';
RetVal := TmpStr + 'cents';
if IntVal > 0 then RetVal := 'dollars and ' + RetVal;
{ сотни }
TmpVal := Round(Frac((IntVal * 1.0) / 1000.0) * 1000);
IntVal := Trunc((IntVal * 1.0) / 1000.0);
TmpStr := HundredAtATime(TmpVal);
RetVal := TmpStr + RetVal;
{ тысячи }
TmpVal := Round(Frac((IntVal * 1.0) / 1000.0) * 1000);
IntVal := Trunc((IntVal * 1.0) / 1000.0);
TmpStr := HundredAtATime(TmpVal);
if TmpStr <> '' then
RetVal := TmpStr + 'Thousand ' + RetVal;
{ миллионы }
TmpVal := Round(Frac((IntVal * 1.0) / 1000.0) * 1000);
IntVal := Trunc((IntVal * 1.0) / 1000.0);
TmpStr := HundredAtATime(TmpVal);
if TmpStr <> '' then
RetVal := TmpStr + 'Million ' + RetVal;
{ миллиарды }
TmpVal := Round(Frac((IntVal * 1.0) / 1000.0) * 1000);
IntVal := Trunc((IntVal * 1.0) / 1000.0);
TmpStr := HundredAtATime(TmpVal);
if TmpStr <> '' then
RetVal := TmpStr + 'Billion ' + RetVal;
Real2CheckAmount := RetVal;
end;
Хммммм...вроде бы работает, но как все громоздко и неуклюже....добавьте в код немного рекурсии и вы получите более элегантную программу..: )))
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls;
type
TForm1 = class(TForm)
num: TEdit;
spell: TEdit;
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
function trans9(num: integer): string;
function trans19(num: integer): string;
function trans99(num: integer): string;
function IntToSpell(num: integer): string;
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.DFM}
function TForm1.IntToSpell(num: integer): string;
var
spell: string;
hspell: string;
hundred: string;
thousand: string;
tthousand: string;
hthousand: string;
million: string;
begin
if num ≶ 10 then
spell := trans9(num);
{endif}
if (num < 20) and (num > 10) then
spell := trans19(num);
{endif}
if (((num < 100) and (num > 19)) or (num = 10)) then
begin
hspell := copy(IntToStr(num), 1, 1) + '0';
spell := trans99(StrToInt(hspell));
hspell := copy(IntToStr(num), 2, 1);
spell := spell + ' ' + IntToSpell(StrToInt(hspell));
end;
if (num < 1000) and (num > 100) then
begin
hspell := copy(IntToStr(num), 1, 1);
hundred := IntToSpell(StrToInt(hspell));
hspell := copy(IntToStr(num), 2, 2);
hundred := hundred + ' hundred and ' + IntToSpell(StrToInt(hspell));
spell := hundred;
end;
if (num < 10000) and (num > 1000) then
begin
hspell := copy(IntToStr(num), 1, 1);
thousand := IntToSpell(StrToInt(hspell));
hspell := copy(IntToStr(num), 2, 3);
thousand := thousand + ' thousand ' + IntToSpell(StrToInt(hspell));
spell := thousand;
end;
if (num < 100000) and (num > 10000) then
begin
hspell := copy(IntToStr(num), 1, 2);
tthousand := IntToSpell(StrToInt(hspell));
hspell := copy(IntToStr(num), 3, 3);
tthousand := tthousand + ' thousand ' + IntToSpell(StrToInt(hspell));
spell := tthousand;
end;
if (num < 1000000) and (num > 100000) then
begin
hspell := copy(IntToStr(num), 1, 3);
hthousand := IntToSpell(StrToInt(hspell));
hspell := copy(IntToStr(num), 4, 3);
hthousand := hthousand + ' thousand and ' +
IntToSpell(StrToInt(hspell));
spell := hthousand;
end;
if (num < 10000000) and (num > 1000000) then
begin
hspell := copy(IntToStr(num), 1, 1);
million := IntToSpell(StrToInt(hspell));
hspell := copy(IntToStr(num), 2, 6);
million := million + ' million and ' + IntToSpell(StrToInt(hspell));
spell := million;
end;
IntToSpell := spell;
end;
function TForm1.trans99(num: integer): string;
var
spell: string;
begin
case num of
10: spell := 'ten';
20: spell := 'twenty';
30: spell := 'thirty';
40: spell := 'fourty';
50: spell := 'fifty';
60: spell := 'sixty';
70: spell := 'seventy';
80: spell := 'eighty';
90: spell := 'ninty';
end;
trans99 := spell;
end;
function TForm1.trans19(num: integer): string;
var
spell: string;
begin
case num of
11: spell := 'eleven';
12: spell := 'twelve';
13: spell := 'thirteen';
14: spell := 'fourteen';
15: spell := 'fifteen';
16: spell := 'sixteen';
17: spell := 'seventeen';
18: spell := 'eighteen';
19: spell := 'nineteen';
end;
trans19 := spell;
end;
function TForm1.trans9(num: integer): string;
var
spell: string;
begin
case num of
1: spell := 'one';
2: spell := 'two';
3: spell := 'three';
4: spell := 'four';
5: spell := 'five';
6: spell := 'six';
7: spell := 'seven';
8: spell := 'eight';
9: spell := 'nine';
end;
trans9 := spell;
end;
procedure TForm1.Button1Click(Sender: TObject);
var
numb: integer;
begin
spell.text := IntToSpell(StrToInt(num.text));
end;
Взято из Советов по Delphi от Валентина Озерова
Сборник Kuliba