myself.pas

这是我给一单位开以的支票打印系统,开发环境为delphi,控件为fastreport

unit MYSELF;

interface
   uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  Menus, ComCtrls, ToolWin, Buttons, ImgList, ExtCtrls, jpeg, StdCtrls,ShellAPI,
  DBTables;
  function DaysInMonth(MYdate:TDate):Integer;   //统计任意月份的天数
  Function DXZH(f : String) : String;     //人民币转换
  Function my_strtoyear(yy :tdatetime):String;
  Function my_strtomonth(yy:tdatetime):String;
  Function my_strtodday(yy:tdatetime):String;
  function GetIdeSerialNumber: pchar;
implementation

function DaysInMonth(MYdate:TDate):Integer;
var
   MyMonth,MyYear,MyDay : Word;
   MyDayTable : TDayTable;
   tmpBool : Boolean;
begin
   DecodeDate(MYdate, MyYear, MyMonth, MyDay);
   tmpBool := IsLeapYear(MyYear);
   MyDayTable := MonthDays[tmpBool];
   DaysInMonth := MyDayTable[MyMonth];
end;

Function DXZH(f : String) : String;
var dx,d2,zs,xs,s1,s2,h,jg:string;
   i,ws,l,w,j,lx:integer;
begin
  f := Trim(f);
  if copy(f,1,1)='0' then begin
    Delete(f,1,1);end
  else ;
  dx:='零壹贰叁肆伍陆柒捌玫';
  d2:='拾佰仟万亿';
  i := AnsiPos('.',f);   //小数点位置
  If i = 0 Then
     zs := f     //整数
  Else begin
     zs:=copy(f,1,i - 1);  //整数部分
     xs:=copy(f,i + 1,200);
  End;
  ws:= 0; l := 0;
  For i :=Length(zs) downTo 1 do begin
    ws := ws + 1; h := '';
    w:=strtoint(copy(zs, i, 1));
    if (w=0) and (i=1) then jg:='零';
    If w > 0 Then
       Case ws of
         2..5:h:=copy(d2,(ws-1)*2-1,2);
         6..8:begin
           h:=copy(d2,(ws-5)*2-1,2);
           If AnsiPos('万',jg)=0 Then h:=h+'万';
           end;
         10..13:h :=copy(d2,(ws-9)*2-1, 2);
       End;
    jg:=copy(dx,(w+1)*2-1,2) + h + jg;
    If ws=9 Then jg :=copy(jg,1,2)+'亿'+copy(jg,3,200);
  end;
  j:=AnsiPos('零零',jg);
  While j>0 do begin
    jg :=copy(jg, 1, j - 1)+copy(jg,j+2,200);
    j :=AnsiPos('零零',jg);
  end;
  If (Length(jg)>1)And(copy(jg,length(jg)-1,2)='零')Then jg :=copy(jg,1,Length(jg)-2);
  j := AnsiPos('零亿',jg);
  If j > 0 Then jg:=copy(jg,1, j - 1)+copy(jg, j + 2,200);
  //转换小数部分
  If (Length(jg)>1) then    //定义元
     jg :=jg+'元'
  else
     jg:=jg;    
  lx := Length(xs);
  If lx=0Then begin          //如果小数为零
    jg :=jg + '整' ;
  End;
  If lx=1Then begin         //如果小数为一位
    s1:=copy(dx, strtoint(copy(xs,1,1))*2 + 1, 2);
    if s1<>'零' then
      jg := jg+s1+'角'+'整' ;
    if s1='零' then
      jg := jg+'整' ;
  End;
  If lx>=2Then begin        //小数为两位
    s1:=copy(dx, strtoint(copy(xs,1,1))*2 + 1, 2);
    s2:=copy(dx, strtoint(copy(xs,2,1))*2 + 1, 2) ;
    if (s1='零')and (s2='零') then
       jg := jg +'整' ;
    if (s1<>'零')and (s2<>'零') then
       jg := jg +s1+'角'+s2+'分' ;
    if (s1<>'零')and (s2='零') then
       jg := jg +s1+'角'+'整' ;
    if (s1='零')and (s2<>'零') then
       jg := jg +s1+s2+'分' ;
  End;
  DXZH:=jg;
End;

Function my_strtoyear(yy :tdatetime):String;       //时间转转换
var
   DX,dn,y:string;
   n,nn:integer;
begin
  DX:='零壹贰叁肆伍陆柒捌玫';
  Y:=formatdatetime('yyyy',yy);
  nn:=Length(Y)  ;
  For n := 1 To nn do begin
     dn:=dn+copy(DX, strtoint(copy(Y,n,1))*2+1, 2);
  end;
   result:=dn;
end;


Function my_strtomonth(yy:tdatetime):String;      //时间转转换
var
   DX1,dy,yf:string;
   n1,nn1,x:integer;
begin
  DX1:='零壹贰叁肆伍陆柒捌玫';
  yf:=formatdatetime('m',yy);
  nn1:=Length(Yf)  ;
  For n1 := 1 To nn1 do begin
     dy:=dy+copy(dx1, strtoint(copy(yf,n1,1))*2+1, 2);
  end;
  if length(dy)=2 then
       dy:=dy
  else
      dy:=copy(dy,1, 2)+'拾'+copy(dy,3, 2) ;
  if strtoint(yf)<10 then
      dy:='零'+copy(dy,1, 2)  ;
  x:=AnsiPos('零',dy);
  If x>4 then
    dy:='零'+copy(dy,1, 4)  ;
   result:=dy;
end;

Function my_strtodday(yy:tdatetime):String;     //时间转转换
var
   DX2,dr,df:string;
   r,rr,z:integer;
begin
  DX2:='零壹贰叁肆伍陆柒捌玫';
  df:=formatdatetime('d',yy);
  rr:=Length(df)  ;
  For r := 1 To rr do begin
     dr:=dr+copy(DX2, strtoint(copy(df,r,1))*2+1, 2);
  end;
  if length(dr)=2 then
     dr:='零'+dr
  else
     dr:=copy(dr,1, 2)+'拾'+copy(dr,3, 2) ;
  z:=AnsiPos('零',dr);
  If z>4 then
    dr:='零'+copy(dr,1, 4);
  result:=dr;
end;
function GetIdeSerialNumber: pchar;
const IDENTIFY_BUFFER_SIZE = 512;
type
   TIDERegs = packed record
     bFeaturesReg: BYTE; // Used for specifying SMART "commands".
     bSectorCountReg: BYTE; // IDE sector count register
     bSectorNumberReg: BYTE; // IDE sector number register
     bCylLowReg: BYTE; // IDE low order cylinder value
     bCylHighReg: BYTE; // IDE high order cylinder value
     bDriveHeadReg: BYTE; // IDE drive/head register
     bCommandReg: BYTE; // Actual IDE command.
     bReserved: BYTE; // reserved for future use. Must be zero.
  end;
  TSendCmdInParams = packed record
    // Buffer size in bytes
    cBufferSize: DWORD;
    // Structure with drive register values.
    irDriveRegs: TIDERegs;
    // Physical drive number to send command to (0,1,2,3).
    bDriveNumber: BYTE;
    bReserved: array[0..2] of Byte;
    dwReserved: array[0..3] of DWORD;
    bBuffer: array[0..0] of Byte; // Input buffer.
  end;
  TIdSector = packed record
    wGenConfig: Word;
    wNumCyls: Word;
    wReserved: Word;
    wNumHeads: Word;
    wBytesPerTrack: Word;
    wBytesPerSector: Word;
    wSectorsPerTrack: Word;
    wVendorUnique: array[0..2] of Word;
    sSerialNumber: array[0..19] of CHAR;
    wBufferType: Word;
    wBufferSize: Word;
    wECCSize: Word;
    sFirmwareRev: array[0..7] of Char;
    sModelNumber: array[0..39] of Char;
    wMoreVendorUnique: Word;
    wDoubleWordIO: Word;
    wCapabilities: Word;
    wReserved1: Word;
    wPIOTiming: Word;
    wDMATiming: Word;
    wBS: Word;
    wNumCurrentCyls: Word;
    wNumCurrentHeads: Word;
    wNumCurrentSectorsPerTrack: Word;
    ulCurrentSectorCapacity: DWORD;
    wMultSectorStuff: Word;
    ulTotalAddressableSectors: DWORD;
    wSingleWordDMA: Word;
    wMultiWordDMA: Word;
    bReserved: array[0..127] of BYTE;
  end;
  PIdSector = ^TIdSector;
  TDriverStatus = packed record
    // 驱动器返回的错误代码，无错则返回0
    bDriverError: Byte;
    // IDE出错寄存器的内容，只有当bDriverError 为 SMART_IDE_ERROR 时有效
    bIDEStatus: Byte;
    bReserved: array[0..1] of Byte;
    dwReserved: array[0..1] of DWORD;
  end;
  TSendCmdOutParams = packed record
    // bBuffer的大小
    cBufferSize: DWORD;
    // 驱动器状态
    DriverStatus: TDriverStatus;
    // 用于保存从驱动器读出的数据的缓冲区，实际长度由cBufferSize决定
    bBuffer: array[0..0] of BYTE;
  end;
var
  hDevice: Thandle;
  cbBytesReturned: DWORD;
  SCIP: TSendCmdInParams;
  aIdOutCmd: array[0..(SizeOf(TSendCmdOutParams) + IDENTIFY_BUFFER_SIZE - 1) - 1] of Byte;
  IdOutCmd: TSendCmdOutParams absolute aIdOutCmd;
procedure ChangeByteOrder(var Data; Size: Integer);
var
  ptr: Pchar;
  i: Integer;
  c: Char;
begin
  ptr := @Data;
  for I := 0 to (Size shr 1) - 1 do begin
    c := ptr^;
    ptr^ := (ptr + 1)^;
    (ptr + 1)^ := c;
    Inc(ptr, 2);
  end;
end;
begin
Result := ''; // 如果出错则返回空串
if SysUtils.Win32Platform = VER_PLATFORM_WIN32_NT then begin // Windows NT, Windows 2000
// 提示! 改变名称可适用于其它驱动器，如第二个驱动器： '\\.\PhysicalDrive1\'
hDevice := CreateFile('\\.\PhysicalDrive0', GENERIC_READ or GENERIC_WRITE,
FILE_SHARE_READ or FILE_SHARE_WRITE, nil, OPEN_EXISTING, 0, 0);
end else // Version Windows 95 OSR2, Windows 98
hDevice := CreateFile('\\.\SMARTVSD', 0, 0, nil, CREATE_NEW, 0, 0);
if hDevice = INVALID_HANDLE_VALUE then Exit;
try
FillChar(SCIP, SizeOf(TSendCmdInParams) - 1, #0);
FillChar(aIdOutCmd, SizeOf(aIdOutCmd), #0);
cbBytesReturned := 0;
// Set up data structures for IDENTIFY command.
with SCIP do begin
cBufferSize := IDENTIFY_BUFFER_SIZE;
// bDriveNumber := 0;
with irDriveRegs do begin
bSectorCountReg := 1;
bSectorNumberReg := 1;
// if Win32Platform=VER_PLATFORM_WIN32_NT then bDriveHeadReg := $A0
// else bDriveHeadReg := $A0 or ((bDriveNum and 1) shl 4);
bDriveHeadReg := $A0;
bCommandReg := $EC;
end;
end;
if not DeviceIoControl(hDevice, $0007C088, @SCIP, SizeOf(TSendCmdInParams) - 1,
@aIdOutCmd, SizeOf(aIdOutCmd), cbBytesReturned, nil) then Exit;
finally
CloseHandle(hDevice);
end;
with PIdSector(@IdOutCmd.bBuffer)^ do begin
ChangeByteOrder(sSerialNumber, SizeOf(sSerialNumber));
(Pchar(@sSerialNumber) + SizeOf(sSerialNumber))^ := #0;
Result := Pchar(@sSerialNumber);
end;
end;
end.