delphi的一个公用函数库
delphi的一个公用函数库
{********************************************** *** Name: PublicFunc; *** Author: lyz 2004-3-17; *** *** Function: 公共函数； **********************************************} unit PublicFunc; interface uses Windows, Math , SysUtils, Classes ,ShlObj, ActiveX, ComObj, Registry, Db, Controls, Dialogs, XMLDoc, XMLIntf; type { TStream seek origins } TFolderNo = (Desktop, StartMenu, Programs); type TCPUID = array[1..4] of Longint; TVendor = array [0..11] of char; TObjList=class (TList) public destructor Destroy; override; procedure Clear; override; procedure SaveToStream(stream: TStream); virtual; procedure LoadFromStream(stream: TStream); virtual; end; var _DecNum: Integer; _RoundValue: Double; _EquMinValue: Double; _ZeroMinValue: Double; //*************LYZ function StrIsEmpty (s: String): Boolean; //procedure StringWrite (f: file; s: String); //procedure StringRead (f: file; s: String); function SLtrim (s: String): String; function STrim (s: String): String; function SAllTrim (s: String): String; function SRemoveSpace (s: String): String;//除掉空格 procedure SSplitString (s: String; s1: String; s2: String); procedure SSplitString1 (s: String; s1: String; s2: String); function SIntToStrFix (n: Integer; cnt: Integer): String; function ARound (v: Double): Double; //求整 function ARoundN (v: Double; n: Integer): Double; //保留几位小数 function AEqu (v1: Double; v2: Double): Boolean; //两个是否相等 function ASmall (v1: Double; v2: Double): Boolean; file://v1 < v2 function ABig (v1: Double; v2: Double): Boolean; file://v1 > v2 function AIsZero (v1: Double): Boolean; file://判断是否为零 function AMax (a: Double; b: Double): Double; file://返回大值 function AMin (a: Double; b: Double): Double; file://返回小值 procedure ASwap (p1: Double; p2: Double); file://交换 function IMax (a: Integer; b: Integer): Integer; file://返回大值 function IMin (a: Integer; b: Integer): Integer; file://返回小值 procedure ISwap (p1: Integer; p2: Integer); file://交换 function RealToStr (v: Double): String; file://Double转换成String function RealToStr1 (v: Double): String; function StrToReal (s: String): Double; file://String转换成Double function RealStr (v: Double): String; file://Double转换成String function RealStrN (v: Double; dec: Integer): String; file://保留几位小数 Double转换成String function RealDateN(v: Double): String; file://日期转化成字符 function IsDate(const str: string): Boolean; function GetDate(const str: string): TDateTime; file://字符转化成日期 function RealStr1 (v: Double; len: Integer; dec: Integer): String; function RealStr2 (v: Double; len: Integer; dec: Integer): String; function RealStr3 (v: Double; len: Integer; dec: Integer): String; function RealStr4 (v: Double; len: Integer; dec: Integer): String; function StrInt (s: String): Integer; file://string 转换成 integer file://xml procedure WriteXMLValue(XML : IXMLNode; Const mc : string; Var Val: string); procedure ReadXMLValue(XML : IXMLNode; Const mc : string; Var Val: string); file://以下是保存为数据流 procedure WriteToStream (stream: TStream; const Number: Integer); overload; procedure WriteToStream (stream: TStream; const Number: Int64); overload; procedure WriteToStream (stream: TStream; const v: Cardinal); overload; procedure WriteToStream (stream: TStream; const v: Word); overload; procedure WriteToStream (stream: TStream; const Filestr: String); overload; procedure WriteToStream (stream: TStream; const v: Double); overload; procedure WriteToStream (stream: TStream; const Bool: Boolean); overload; procedure ReadFromStream (stream: TStream; var v: Cardinal); overload; procedure WriteToStream (stream: TStream; const Number: Extended); overload; procedure ReadFromStream (stream: TStream; var v: Extended); overload; procedure ReadFromStream (stream: TStream; var Number: Integer); overload; procedure ReadFromStream (stream: TStream; var Number: Int64); overload; procedure ReadFromStream (stream: TStream; var v: Word); overload; procedure ReadFromStream (stream: TStream; var Filestr: String); overload; procedure ReadFromStream (stream: TStream; var v: Double); overload; procedure ReadFromStream (stream: TStream; var Bool: Boolean); overload; procedure WriteToStream (stream: TStream; const sList: TStringList); overload; procedure ReadFromStream (stream: TStream; var sList: TStringList); overload; procedure WriteToStream (stream: TStream; const iary: array of Integer); overload; procedure ReadFromStream (stream: TStream; var iary: array of Integer); overload; function StrLike (sou: String; key: String): Boolean; file://sou中是否包括key function SRight (s: String; n: Integer): String; file://取右边多少个字符 procedure LoadFileList (Path: String; slist: TStrings; noPath: Boolean); function TimeTicket: Longint; function MonthOfDate (date: TDateTime): Integer; function DayOfDate (date: TDateTime): Integer; function YearOfDate (date: TDateTime): Integer; function GetSplitWord (s: String; splitc: Char): String; function HexToInt (s: String): Integer; file://16进制转换成10进制 function TransStrByTable (sou: String; ori: TStringList; des: TStringList): String; procedure LoadTransTable (fn: String; sou: TStringList; tag: TStringList); function MakeFilePath (s: String): String; function RemoveNote (s: String): String; function MakePath (path: String): String; function Blone (tj: String; v: String): Boolean; function CodeStr (s: String): String; function DeCodeStr (s: String): String; function GetValueFromStr (vname: String; s: String; txt: String): Boolean; function GetParaList (txt: String; ss: TStringList): Boolean; function SReplace (txt: String; sou: String; tag: String): String; Function GetOSInfo: String; file://NT 还是 Windows 98?取得当前操作平台 function GetCurrentUserName : string; file://获取当前Windows用户的登录名 Procedure SetLink(FolderNo: TFolderNo; ACmdFile, Parameter, LinkName: string);//创建快捷方式 function Myrandom(Num: Integer): integer;//一个利用系统时间产生随机数的程序该随机数的范围是0到Num function GetMouseHwndAndClassName(Sender: TObject): string; function GetMousePosHwndAndClassName(Sender: TPoint): string; file://获取当前鼠标位置的类名和句柄 function GetIdeDiskSerialNumber : String; file://取Ide硬盘序列号函数 file://得到CpuID号 function GetCPUID : TCPUID; assembler; register; function GetCPUVendor : TVendor; assembler; register; function GetCPUIDStr: String; {日期型字段显示过程,在OnGetText事件中调用} procedure DateFieldGetText(Sender: TField; var Text: String); {日期型字段输入判断函数,在OnSetText事件中调用} function DateFieldSetText(Sender: TField; const Text: String):Boolean; file://不能输入字符 function CheckNullValue(var Key: Char): Boolean; {判断输入的字符是否是数字} function CheckInputNum(const IsInteger: Boolean; AStr: string; var Key: Char): Boolean; file://得到下一编号 function GetNextStrId(const PreId: string): string; // preId := 'LX000000'; implementation file://得到下一编号 function GetNextStrId(const PreId: string): string; // preId := 'LX000000'; var I,n,n1: Integer; s,s1: string; c: char; begin n := Length(PreId); n1 := 0; for I := n downto 1 do begin c := PreId[I]; if (Ord(c) >= 65) and (Ord(c) <= 90) then begin n1 := I; Break; end; end; s := Copy(PreId, 1, n1); s1 := Copy(PreId, n1 + 1, 100); s1 := IntToStr(StrInt(s1) + 1); result := s1; for I := 1 to n - n1 - Length(s1) do Result := '0' + Result; result := s + Result; end; file://不能输入字符 function CheckNullValue(var Key: Char): Boolean; const ControlKeySet = [Char(#13)]; begin Key := #0; Result := True; end; {判断输入的字符是否是数字} function CheckInputNum(const IsInteger: Boolean; AStr: string; var Key: Char): Boolean; const NumberSet = ['0' .. '9', '.', '-']; ControlKeySet = [Char(#8), Char(#13)]; begin if Key in ControlKeySet then begin Result := True; Exit; end; if not (Key in NumberSet) then Key := #0; if (Key = '.') and ((Length(AStr) = 0) or (Pos('.', AStr) > 0)) then Key := #0; file://不能前两个同时为0 if (Length(AStr) = 1) and (AStr[1] = '0') and (Key = '0') then Key := #0; file://不能有多个负号 if (Pos('-', AStr) >= 0) and (Key = '-') then Key := #0; if IsInteger then begin if key = '.' then Key := #0; // if (Length(AStr) = 1) and (AStr[1] = '0') or (Key = '.') then Key := #0; end; Result := Key <> #0; end; {日期型字段显示过程,在OnGetText事件中调用} procedure DateFieldGetText(Sender: TField; var Text: String); var dDate: TDate; wYear,wMonth,wDay: Word; aryTestYMD: Array [1..2] of Char ;{测试输入掩码用临时数组} iYMD: Integer; begin iYMD := 0; dDate:= Sender.AsDateTime; DecodeDate(dDate,wYear,wMonth,wDay); {测试输入掩码所包含的格式.} aryTestYMD:= '年'; if StrScan(PChar(Sender.EditMask), aryTestYMD[1]) <> nil then iYMD:= 1; aryTestYMD:= '月'; if StrScan(PChar(Sender.EditMask), aryTestYMD[1]) <> nil then iYMD:= 2; aryTestYMD:= '日'; if StrScan(PChar(Sender.EditMask), aryTestYMD[1]) <> nil then iYMD:= 3; case iYMD of 1:{输入掩码为:”yyyy年”的格式.} Text:= IntToStr(wYear) + '年'; 2: {输入掩码为:”yyyy年mm月”的格式.} Text:= IntToStr(wYear) + '年' + IntToStr(wMonth) + '月'; 3: {输入掩码为:”yyyy年mm月dd日”的格式.} Text:= IntToStr(wYear) + '年' + IntToStr(wMonth) + '月' + IntToStr(wDay) + '日'; else {默认为:”yyyy年mm月dd日”的格式.} Text:= IntToStr(wYear) + '年' + IntToStr(wMonth) + '月' + IntToStr(wDay) + '日'; end; end; {日期型字段输入判断函数,在OnSetText事件中调用} function DateFieldSetText(Sender: TField; const Text: String):Boolean; var dDate: TDate; sYear,sMonth,sDay: String; aryTestYMD: Array [1..2] of Char; iYMD: Integer; begin iYMD := 0; {获得用户输入的日期} sYear := Copy(Text, 1, 4); sMonth:= Copy(Text, 7, 2); SDay := Copy(Text, 11, 2); {测试输入掩码所包含的格式.} aryTestYMD := '年'; if StrScan( PChar(Sender.EditMask), aryTestYMD[1] ) <> nil then iYMD := 1; aryTestYMD := '月'; if StrScan( PChar(Sender.EditMask), aryTestYMD[1] ) <> nil then iYMD := 2; aryTestYMD := '日'; if StrScan( PChar(Sender.EditMask), aryTestYMD[1] ) <> nil then iYMD := 3; {利用Try…Except进行输入的日期转换} try begin case iYMD of 1: {输入掩码为:”yyyy年”的格式.} begin dDate := StrToDate( sYear + '-01-01' );{中文Windows默认的日期格式为:yyyy-mm-dd.下同} Sender.AsDateTime := dDate; end; 2: {输入掩码为:”yyyy年mm月”的格式.} begin dDate := StrToDate( sYear + '-' + sMonth + '-01' ); Sender.AsDateTime:=dDate; end; 3: {输入掩码为:”yyyy年mm月dd日”的格式.} begin dDate := StrToDate( sYear + '-' + sMonth + '-' + sDay ); Sender.AsDateTime := dDate; end; else {默认为:”yyyy年mm月dd日”的格式.} begin dDate := StrToDate( sYear + '-' + sMonth + '-' + sDay ); Sender.AsDateTime := dDate; end; end; DateFieldSetText := True; end; except {日期转换出错} begin showmessage( PChar ( Text + '不是有效的日期!')); DateFieldSetText := False; end; end; end; function GetMouseHwndAndClassName(Sender: TObject): string; var rPos: TPoint; begin Result := ''; if boolean(GetCursorPos(rPos)) then Result := GetMousePosHwndAndClassName(rPos); end; function GetMousePosHwndAndClassName(Sender: TPoint): string; var hWnd: THandle; aName: array [0..255] of char; tmpstr: string; begin tmpstr := ''; hWnd := WindowFromPoint(Sender); tmpstr := 'Handle : ' + IntToStr(hWnd); if boolean(GetClassName(hWnd, aName, 256)) then tmpstr := 'ClassName : ' + string(aName) else tmpstr := 'ClassName : not found'; Result := tmpstr; end; function Myrandom(Num: Integer): integer; var T: _SystemTime; X: integer; I: integer; begin Result := 0; Randomize; If Num = 0 then Exit; GetSystemTime(T); X := Trunc(T.wMilliseconds/10) * T.wSecond * 1231; X := X + random(1); if X < 0 then X := -X; X := Random(X); X := X mod num; for I := 0 to X do X := Random(Num); Result := X; end; function GetCurrentUserName : string; const cnMaxUserNameLen = 254; var sUserName : string; dwUserNameLen : Dword; begin dwUserNameLen := cnMaxUserNameLen-1; SetLength( sUserName, cnMaxUserNameLen ); GetUserName(Pchar( sUserName ), dwUserNameLen ); SetLength( sUserName, dwUserNameLen ); Result := sUserName; end; Procedure SetLink(FolderNo: TFolderNo; ACmdFile, Parameter, LinkName: string); var MyObject : Iunknown; MySLink : IShellLink; MyPFile : IPersistFile; FileName : string; Directory : string; WFileName : WideString; MyReg : TRegIniFile; tmpFolderNo : string; begin if FolderNo = Desktop then tmpFolderNo:= 'Desktop'; if FolderNo = StartMenu then tmpFolderNo:= 'StartMenu'; if FolderNo = Programs then tmpFolderNo:= 'Programs'; MyObject := CreateComObject(CLSID_ShellLink); MySLink := MyObject as IShellLink; MyPFile := MyObject as IPersistFile; FileName := ACmdFile; with MySLink do begin SetArguments(Pchar(Parameter)); SetPath(Pchar(FileName)); SetWorkingDirectory(Pchar(ExtractFilePath(FileName))); end; MyReg := TRegIniFile.Create('Software/MicroSoft/Windows/CurrentVersion/Explorer'); Directory := MyReg.ReadString('Shell Folders', tmpFolderNo,''); file://CreateDir(Directory); WFileName := Directory + '/' + LinkName + '.lnk'; MyPFile.Save(PWChar(WFileName),False); MyReg.Free; end; Function GetOSInfo: String; var VI: TOSVersionInfo; begin Result:= ''; VI.dwOSVersionInfoSize := SizeOf(VI); GetVersionEx(VI);//取得正在运行的Windeows和Win32操作系统的版本 // VI.dwPlatformId Result:= Result + Format('%d%d%d',[VI.dwMajorVersion,VI.dwMinorVersion,VI.dwBuildNumber]); Result:= Result + GetIdeDiskSerialNumber + GetCPUIDStr; case Win32Platform of VER_PLATFORM_WIN32_WINDOWS: Result := Result + 'Windows 95/98'; VER_PLATFORM_WIN32_NT: Result := Result + 'Windows NT'; else Result := Result + 'Windows32'; end; end; function GetCPUID : TCPUID; assembler; register; asm PUSH EBX {Save affected register} PUSH EDI MOV EDI,EAX {@Resukt} MOV EAX,1 DW $A20F {CPUID Command} STOSD {CPUID[1]} MOV EAX,EBX STOSD {CPUID[2]} MOV EAX,ECX STOSD {CPUID[3]} MOV EAX,EDX STOSD {CPUID[4]} POP EDI {Restore registers} POP EBX end; function GetCPUVendor : TVendor; assembler; register; asm PUSH EBX {Save affected register} PUSH EDI MOV EDI,EAX {@Result (TVendor)} MOV EAX,0 DW $A20F {CPUID Command} MOV EAX,EBX XCHG EBX,ECX {save ECX result} MOV ECX,4 @1: STOSB SHR EAX,8 LOOP @1 MOV EAX,EDX MOV ECX,4 @2: STOSB SHR EAX,8 LOOP @2 MOV EAX,EBX MOV ECX,4 @3: STOSB SHR EAX,8 LOOP @3 POP EDI {Restore registers} POP EBX end; function GetCPUIDStr: String; var CPUID : TCPUID; I : Integer; S : TVendor; begin Result := ''; for I := Low(CPUID) to High(CPUID) do CPUID[I] := -1; CPUID := GetCPUID; Result := Result + IntToHex(CPUID[1],8); Result := Result + IntToHex(CPUID[2],8); Result := Result + IntToHex(CPUID[3],8); Result := Result + IntToHex(CPUID[4],8); S := GetCPUVendor; Result := Result + S; end; function GetIdeDiskSerialNumber : String; file://取Ide硬盘序列号函数 type TSrbIoControl = packed record HeaderLength : ULONG; Signature : Array[0..7] of Char; Timeout : ULONG; ControlCode : ULONG; ReturnCode : ULONG; Length : ULONG; end; SRB_IO_CONTROL = TSrbIoControl; PSrbIoControl = ^TSrbIoControl; 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. Must be zero. end; IDEREGS = TIDERegs; PIDERegs = ^TIDERegs; TSendCmdInParams = packed record cBufferSize : DWORD; irDriveRegs : TIDERegs; bDriveNumber : Byte; bReserved : Array[0..2] of Byte; dwReserved : Array[0..3] of DWORD; bBuffer : Array[0..0] of Byte; end; SENDCMDINPARAMS = TSendCmdInParams; PSendCmdInParams = ^TSendCmdInParams; 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 : ULONG; wMultSectorStuff : Word; ulTotalAddressableSectors : ULONG; wSingleWordDMA : Word; wMultiWordDMA : Word; bReserved : Array[0..127] of Byte; end; PIdSector = ^TIdSector; const IDE_ID_FUNCTION = $EC; IDENTIFY_BUFFER_SIZE = 512; DFP_RECEIVE_DRIVE_DATA = $0007c088; IOCTL_SCSI_MINIPORT = $0004d008; IOCTL_SCSI_MINIPORT_IDENTIFY = $001b0501; DataSize = sizeof(TSendCmdInParams)-1+IDENTIFY_BUFFER_SIZE; BufferSize = SizeOf(SRB_IO_CONTROL)+DataSize; W9xBufferSize = IDENTIFY_BUFFER_SIZE+16; var hDevice : THandle; cbBytesReturned : DWORD; pInData : PSendCmdInParams; pOutData : Pointer; // PSendCmdOutParams Buffer : Array[0..BufferSize-1] of Byte; srbControl : TSrbIoControl absolute Buffer; 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 := ''; FillChar(Buffer,BufferSize,#0); if Win32Platform=VER_PLATFORM_WIN32_NT then begin // Windows NT, Windows 2000 // Get SCSI port handle hDevice := CreateFile( '//./Scsi0:',GENERIC_READ or GENERIC_WRITE, FILE_SHARE_READ or FILE_SHARE_WRITE, nil, OPEN_EXISTING, 0, 0 ); if hDevice=INVALID_HANDLE_VALUE then Exit; try srbControl.HeaderLength := SizeOf(SRB_IO_CONTROL); System.Move('SCSIDISK',srbControl.Signature,8); srbControl.Timeout := 2; srbControl.Length := DataSize; srbControl.ControlCode := IOCTL_SCSI_MINIPORT_IDENTIFY; pInData := PSendCmdInParams(PChar(@Buffer) + SizeOf(SRB_IO_CONTROL)); pOutData := pInData; with pInData^ do begin cBufferSize := IDENTIFY_BUFFER_SIZE; bDriveNumber := 0; with irDriveRegs do begin bFeaturesReg := 0; bSectorCountReg := 1; bSectorNumberReg := 1; bCylLowReg := 0; bCylHighReg := 0; bDriveHeadReg := $A0; bCommandReg := IDE_ID_FUNCTION; end; end; if not DeviceIoControl( hDevice, IOCTL_SCSI_MINIPORT, @Buffer, BufferSize, @Buffer, BufferSize, cbBytesReturned, nil ) then Exit; finally CloseHandle(hDevice); end; end else begin // Windows 95 OSR2, Windows 98 hDevice := CreateFile( '//./SMARTVSD', 0, 0, nil, CREATE_NEW, 0, 0 ); if hDevice=INVALID_HANDLE_VALUE then Exit; try pInData := PSendCmdInParams(@Buffer); pOutData := @pInData^.bBuffer; with pInData^ do begin cBufferSize := IDENTIFY_BUFFER_SIZE; bDriveNumber := 0; with irDriveRegs do begin bFeaturesReg := 0; bSectorCountReg := 1; bSectorNumberReg := 1; bCylLowReg := 0; bCylHighReg := 0; bDriveHeadReg := $A0; bCommandReg := IDE_ID_FUNCTION; end; end; if not DeviceIoControl( hDevice, DFP_RECEIVE_DRIVE_DATA, pInData, SizeOf(TSendCmdInParams)-1, pOutData, W9xBufferSize, cbBytesReturned, nil ) then Exit; finally CloseHandle(hDevice); end; end; with PIdSector(PChar(pOutData)+16)^ do begin ChangeByteOrder(sSerialNumber,SizeOf(sSerialNumber)); SetString(Result,sSerialNumber,SizeOf(sSerialNumber)); end; end; procedure TObjList.Clear; begin inherited; end; destructor TObjList.Destroy; begin inherited; end; function StrIsEmpty (s: String): Boolean; begin Result := False; if s = '' then Result := True; end; {procedure StringWrite (f: file; s: String); begin end; procedure StringRead (f: file; s: String); begin end; } function SLtrim (s: String): String; begin end; function STrim (s: String): String; begin end; function SAllTrim (s: String): String; begin end; function SRemoveSpace (s: String): String; var I : Integer; Count : Integer; begin Result:= ''; Count := length(s); for I := 1 to Count do begin if s[I] <> ' ' then begin Result := Result + s[I]; end; end; end; procedure SSplitString (s: String; s1: String; s2: String); begin end; procedure SSplitString1 (s: String; s1: String; s2: String); begin end; function SIntToStrFix (n: Integer; cnt: Integer): String; begin end; function ARound (v: Double): Double; begin Result := Round(V); end; function ARoundN (v: Double; n: Integer): Double; var I : Integer; begin result := v; for I := 0 to N - 1 do begin Result := Result * 10; end; Result := Round(Result); for I := 0 to N - 1 do begin Result := Result / 10; end; end; function AEqu (v1: Double; v2: Double): Boolean; begin result := False; if v1 = v2 then result := True end; function ASmall (v1: Double; v2: Double): Boolean; begin result := False; if v1 < v2 then result := True; end; function ABig (v1: Double; v2: Double): Boolean; begin result := False; if v1 > v2 then result := True; end; function AIsZero (v1: Double): Boolean; begin Result := False; if V1 = 0 then Result := True; end; function AMax(a: Double; b: Double): Double; begin if a >= b then result := a else result := b; end; function AMin(a: Double; b: Double): Double; begin if a >= b then result := b else result := a; end; procedure ASwap (p1: Double; p2: Double); begin end; function IMax(a: Integer; b: Integer): Integer; begin if a >= b then result := a else result := b; end; function IMin(a: Integer; b: Integer): Integer; begin if a >= b then result := b else result := a; end; procedure ISwap (p1: Integer; p2: Integer); begin end; function RealToStr (v: Double): String; begin result := FloatToStr(v); end; function RealToStr1 (v: Double): String; begin end; function StrToReal(s: String): Double; var I : Integer; B : Boolean; begin B := True; result := 0; for I := 1 to length(s) do begin if (ord(s[I]) > 57) or (ord(s[I]) < 48) then begin if ord(s[I]) <> 46 then begin B := False; Break; end; end; end; if B and (Length(s) <> 0) then result := StrToFloat(s) end; function RealStr (v: Double): String; begin result := FloatToStr(v); end; function FloatToFloat(Const D: Double; Const N: integer): Double; var I : integer; Max : LongInt; begin Max := 1; for I := 1 to N do begin Max := Max * 10; end; result := D * Max; result := Round(result); result := result / Max; end; function RealStrN (v: Double; dec: Integer): String; var TD : Double; begin TD := FloatToFloat(V, dec); result := FloatToStr(TD); end; function RealDateN(v: Double): String; var Year, Month, Day : word; begin DecodeDate(v, Year, Month, Day); result := IntToStr(year) + '年' + IntToStr(Month) + '月' + IntToStr(Day) + '日'; end; function IsDate(const str: string): Boolean; begin try StrToDate(str); except Result := False; Exit; end; Result := True; end; function GetDate(const str: string): TDateTime; var NewStr: string; begin NewStr := str; NewStr := StringReplace(NewStr,'年','-',[]); NewStr := StringReplace(NewStr,'月','-',[]); NewStr := StringReplace(NewStr,'日','',[]); if IsDate(NewStr) then Result := StrToDate(NewStr) else Result := SysUtils.Date; end; function RealStr1 (v: Double; len: Integer; dec: Integer): String; begin end; function RealStr2 (v: Double; len: Integer; dec: Integer): String; begin end; function RealStr3 (v: Double; len: Integer; dec: Integer): String; begin end; function RealStr4 (v: Double; len: Integer; dec: Integer): String; begin end; function StrInt (s: String): Integer; var I : Integer; B : Boolean; begin B := True; result := 0; if s = '' then begin result := 0; Exit; end; for I := 1 to length(s) do begin if (ord(s[I]) > 57) or (ord(s[I]) < 48) then begin B := False; Break; end; end; if B and (Length(s) <> 0) then result := StrToInt(s) end; procedure WriteXMLValue(XML : IXMLNode; Const mc : string; Var Val: string); var Child_Node : IXMLNode; begin Child_Node := XML.AddChild(mc); Child_Node.Text := Val; end; procedure ReadXMLValue(XML : IXMLNode; Const mc : string; Var Val: string); var Child_Node : IXMLNode; begin Child_Node := XML.ChildNodes.First; if (Child_Node.NodeName = mc) then Val := Child_Node.Text; end; procedure ReadFromStream(Stream: TStream; var Bool: Boolean); begin Stream.Read(Bool,SizeOf(Bool)); end; procedure ReadFromStream(Stream: TStream; var Number: integer); begin Stream.Read(Number,SizeOf(Number)); end; procedure ReadFromStream (stream: TStream; var Number: Int64); overload; begin Stream.Read(Number,SizeOf(Number)); end; procedure ReadFromStream(Stream: TStream; var Filestr: string); var Count : integer; I : integer; S : Char; begin Filestr := ''; Count := 0; ReadFromStream(Stream, Count); for I := 1 to Count do begin Stream.Read(S, 1); Filestr:= Filestr + s; end; end; procedure WriteToStream(Stream: TStream; const Number: integer); begin Stream.Write(Number,SizeOf(Number)); end; procedure WriteToStream (stream: TStream; const Number: Int64); overload; begin Stream.Write(Number,SizeOf(Number)); end; file://将filestr 写入流中 procedure WriteToStream(Stream: TStream; const Filestr: string); var Count : integer; I : integer; S : Char; begin Count:= length(Filestr); WriteToStream(Stream,Count); for I:= 1 to Count do begin S := FileStr[I]; Stream.Write(S, 1); end; end; procedure WriteToStream (stream: TStream; const Number: Extended); overload; begin Stream.Write(Number,SizeOf(Number)); end; procedure ReadFromStream (stream: TStream; var v: Extended); overload; begin Stream.Read(v,SizeOf(v)); end; procedure WriteToStream(Stream: TStream; const Bool: Boolean); begin Stream.Write(Bool,Sizeof(Bool)); end; procedure WriteToStream (stream: TStream; const v: Cardinal); overload; begin end; procedure WriteToStream (stream: TStream; const v: Word); overload; begin end; procedure WriteToStream (stream: TStream; const v: Double); overload; begin Stream.Write(V , sizeof(V)); end; procedure ReadFromStream (stream: TStream; var v: Cardinal); overload; begin end; procedure ReadFromStream (stream: TStream; var v: Word); overload; begin end; procedure ReadFromStream (stream: TStream; var v: Double); overload; begin Stream.Read(V , sizeof(v)); end; procedure WriteToStream (stream: TStream; const sList: TStringList); overload; begin end; procedure ReadFromStream (stream: TStream; var sList: TStringList); overload; begin end; procedure WriteToStream (stream: TStream; const iary: array of Integer); overload; begin end; procedure ReadFromStream (stream: TStream; var iary: array of Integer); overload; begin end; function StrLike (sou: String; key: String): Boolean; begin result := False; if pos(sou, key) > 0 then result := True; end; function SRight (s: String; n: Integer): String; var I : Integer; begin Result := ''; for I := 1 to n do begin Result := Result + s[I]; end; end; procedure LoadFileList (Path: String; slist: TStrings; noPath: Boolean); begin end; function TimeTicket: Longint; begin Result := 0; end; function MonthOfDate (date: TDateTime): Integer; begin Result := 0; end; function DayOfDate (date: TDateTime): Integer; begin Result := 0; end; function YearOfDate (date: TDateTime): Integer; begin Result := 0; end; function GetSplitWord (s: String; splitc: Char): String; begin end; function HexToInt (s: String): Integer; begin Result := 0; end; function TransStrByTable (sou: String; ori: TStringList; des: TStringList): String; begin end; procedure LoadTransTable (fn: String; sou: TStringList; tag: TStringList); begin end; function MakeFilePath (s: String): String; begin end; function RemoveNote (s: String): String; begin end; function MakePath (path: String): String; begin end; function Blone (tj: String; v: String): Boolean; begin Result := False; end; function CodeStr (s: String): String; begin end; function DeCodeStr (s: String): String; begin end; function GetValueFromStr (vname: String; s: String; txt: String): Boolean; begin Result := False; end; function GetParaList (txt: String; ss: TStringList): Boolean; begin Result := False; end; function SReplace (txt: String; sou: String; tag: String): String; begin end; procedure TObjList.LoadFromStream(stream: TStream); var I : integer; tmpCount : integer; tmp: TObject; begin ReadFromStream(Stream, tmpCount); for I:= 0 to tmpCount - 1 do begin Stream.Read(tmp, SizeOf(tmp)); Add(tmp); end; end; procedure TObjList.SaveToStream(stream: TStream); var I : integer; tmp: TObject; begin WriteToStream(Stream, Count); for I:= 0 to Count - 1 do begin tmp := Items[I]; Stream.Write(tmp, Sizeof(tmp)); end; end; end.
好的代码像粥一样，都是用时间熬出来的
