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delphi公用函数

原作者: [db:作者] 来自: [db:来源] 收藏 邀请 
unit YzDelphiFunc;

interface

uses
  ComCtrls, Forms, Windows, Classes, SysUtils, ComObj, ActiveX, ShlObj, Messages,
  Graphics, Registry, Dialogs, Controls, uProcess, uCpuUsage, StrUtils, CommCtrl,
  jpeg, WinInet, ShellAPI, SHFolder, ADODB, WinSock;

{ 保存日志文件 }
procedure YzWriteLogFile(Msg: String);

{ 延时函数,单位为毫秒 }
procedure YzDelayTime(MSecs: Longint);

{ 判断字符串是否为数字 }
function YzStrIsNum(Str: string):boolean;

{ 判断文件是否正在使用 }
function YzIsFileInUse(fName: string): boolean;

{ 删除字符串列表中的空字符串 }
procedure YzDelEmptyChar(AList: TStringList);

{ 删除文件列表中的"Thumbs.db"文件 }
procedure YzDelThumbsFile(AList: TStrings);

{ 返回一个整数指定位数的带"0"字符串 }
function YzIntToZeroStr(Value, ALength: Integer): string;

{ 取日期年份分量 }
function YzGetYear(Date: TDate): Integer;

{ 取日期月份分量 }
function YzGetMonth(Date: TDate): Integer;

{ 取日期天数分量 }
function YzGetDay(Date: TDate): Integer;

{ 取时间小时分量 }
function YzGetHour(Time: TTime): Integer;

{ 取时间分钟分量 }
function YzGetMinute(Time: TTime): Integer;

{ 取时间秒钟分量 }
function YzGetSecond(Time: TTime): Integer;

{ 返回时间分量字符串 }
function YzGetTimeStr(ATime: TTime;AFlag: string): string;

{ 返回日期时间字符串 }
function YzGetDateTimeStr(ATime: TTime;ADate: TDate): string;

{ 获取计算机名称 }
function YzGetComputerName(): string;

{ 通过窗体子串查找窗体 }
procedure YzFindSpecWindow(ASubTitle: string);

{ 判断进程CPU占用率 }
procedure YzJudgeCPU(ProcessName: string;CPUUsage: Single);

{ 分割字符串 }
procedure YzSeparateTerms(Source: string;Separator: Char;Terms: TStringList);

{ 切换页面控件的活动页面 }
procedure YzGotoNewPage(AOwerPage: TPageControl;ANewPage: TTabSheet);

{ 设置页面控件标签的可见性 }
procedure YzSetTableVisible(PageControl: TPageControl;ShowFlag: Boolean);

{ 根据产品名称获取产品编号 }
function YzGetLevelCode(AName:string;ProductList: TStringList): string;

{ 取文件的主文件名 }
function YzGetMainFileName(AFileName: string): string;

{ 按下一个键 }
procedure YzPressOneKey(AByteCode: Byte);overload;

{ 按下一个指定次数的键 }
procedure YzPressOneKey(AByteCode: Byte;ATimes: Integer);overload;

{ 按下二个键 }
procedure YzPressTwoKeys(AFirstByteCode, ASecByteCode: Byte);

{ 按下三个键 }
procedure YzPressThreeKeys(AFirstByteCode, ASecByteCode, AThirdByteCode: Byte);

{ 创建桌面快捷方式 }
procedure YzCreateShortCut(const sPath: string; sShortCutName: WideString);

{ 删除桌面快捷方式 }
procedure YzDeleteShortCut(sShortCutName: WideString);

{ 通过光标位置进行鼠标左键单击 }
procedure YzMouseLeftClick(X, Y: Integer);overload;

{ 鼠标左键双击 }
procedure YzMouseDoubleClick(X, Y: Integer);

{ 通过窗口句柄进行鼠标左键单击 }
procedure YzMouseLeftClick(lpClassName, lpWindowName: PAnsiChar);overload;

{ 通过光标位置查找窗口句柄 }
function YzWindowFromPoint(X, Y: Integer): THandle;

{ 等待窗口在指定时间后出现 }
function YzWaitWindowExist(lpClassName, lpWindowName: PAnsiChar;
  ASecond: Integer = 0): THandle;overload;

{ 通光标位置,窗口类名与标题查找窗口是否存在 }
function YzWaitWindowExist(X, Y: Integer;AClassName, AWinName: string;
  ASecond: Integer = 0):THandle; overload;

{ 等待指定窗口消失 }
procedure YzWaitWindowClose(lpClassName, lpWindowName: PAnsiChar;
  ASecond: Integer = 0);

{ 通过窗口句柄设置文本框控件文本 }
procedure YzSetEditText(lpClassName, lpWindowName: PAnsiChar;
  AText: string);overload;

{ 通过光标位置设置文本框控件文本 }
procedure YzSetEditText(X, Y: Integer;AText: string);overload;

{ 获取Window操作系统语言 }
function YzGetWindowsLanguageStr: String;

{ 清空动态数组 }
procedure YzDynArraySetZero(var A);

{ 动态设置屏幕分辨率 }
function YzDynamicResolution(X, Y: WORD): Boolean;

{ 检测系统屏幕分辨率 }
function YzCheckDisplayInfo(X, Y: Integer): Boolean;

type
  TFontedControl = class(TControl)
  public
    property Font;
  end;
  TFontMapping = record
    SWidth : Integer;
    SHeight: Integer;
    FName: string;
    FSize: Integer;
  end;

  procedure YzFixForm(AForm: TForm);
  procedure YzSetFontMapping;

{---------------------------------------------------
 以下是关于获取系统软件卸载的信息的类型声明和函数
 ----------------------------------------------------}
type
  TUninstallInfo = array of record
    RegProgramName: string;
    ProgramName   : string;
    UninstallPath : string;
    Publisher     : string;
    PublisherURL  : string;
    Version       : string;
    HelpLink      : string;
    UpdateInfoURL : string;
    RegCompany    : string;
    RegOwner      : string;
  end;

{ GetUninstallInfo 返回系统软件卸载的信息 }
function YzGetUninstallInfo : TUninstallInfo;

{ 检测Java安装信息 }
function YzCheckJavaInfo(AUninstallInfo: TUninstallInfo;CheckJava6 : Boolean = False): Boolean;

{ 窗口自适应屏幕大小 }
procedure YzAdjustForm(Form: TForm;const OrgWidth, OrgHeight: integer);

{ 设置窗口为当前窗体 }
procedure YzBringMyAppToFront(AppHandle: THandle);

{ 获取文件夹大小 }
function YzGetDirSize(Dir: string;SubDir: Boolean): LongInt;

{ 获取文件夹文件数量 }
function YzGetDirFiles(Dir: string;SubDir: Boolean): LongInt;

{ 获取文件大小(KB) }
function YzGetFileSize(const FileName: String): LongInt;

{ 获取文件大小(字节) }
function YzGetFileSize_Byte(const FileName: String): LongInt;

{ 算术舍入法的四舍五入取整函数 }
function YzRoundEx (const Value: Real): LongInt;

{ 弹出选择目录对话框 }
function YzSelectDir(const iMode: integer;const sInfo: string): string;

{ 获取指定路径下文件夹的个数 }
procedure YzListFolders(const Path: String; const ShowPath: Boolean;var List: TStrings);

{ 禁用窗器控件的所有子控件 }
procedure YzSetSubCtlState(AOwer: TWinControl;AState: Boolean);

{ 模拟键盘按键操作(处理字节码) }
procedure YzFKeyent(byteCard: byte); overload;

{ 模拟键盘按键操作(处理字符串 }
procedure YzFKeyent(strCard: string); overload;

{ 锁定窗口位置 }
procedure YzLockWindow(ClassName,WinName: PChar;poX,poY: Integer);

{   注册一个DLL形式或OCX形式的OLE/COM控件
    参数strOleFileName为一个DLL或OCX文件名，
    参数OleAction表示注册操作类型，1表示注册，0表示卸载
    返回值True表示操作执行成功，False表示操作执行失败
}
function YzRegisterOleFile (strOleFileName: STRING;OleAction: Byte): BOOLEAN;

function YzListViewColumnCount(mHandle: THandle): Integer;

function YzGetListViewText(mHandle: THandle; mStrings: TStrings): Boolean;

{ 删除目录树 }
function YzDeleteDirectoryTree(Path: string): boolean;

{ Jpg格式转换为bmp格式 }
function JpgToBmp(Jpg: TJpegImage): TBitmap;

{ 设置程序自启动函数 }
function YzSetAutoRun(AFilePath: string;AFlag: Boolean): boolean;

{ 检测URL地址是否有效 }
function YzCheckUrl(url: string): Boolean;

{ 获取程序可执行文件名 }
function YzGetExeFName: string;

{ 目录浏览对话框函数 }
function YzBrowseFolder(AOwer: TWinControl;ATitle: string):string;

{ 重启计算机 }
function YzShutDownSystem(AFlag: Integer):BOOL;

{ 程序运行后删除自身 }
procedure YzDeleteSelf;

{ 程序重启 }
procedure YzAppRestart;

{ 压缩Access数据库 }
function YzCompactAccessDB(const AFileName, APassWord: string): Boolean;

{ 标题:获取其他进程中TreeView的文本 }
function YzTreeNodeGetNext(mHandle: THandle; mTreeItem: HTreeItem): HTreeItem;
function YzTreeNodeGetLevel(mHandle: THandle; mTreeItem: HTreeItem): Integer;
function YzGetTreeViewText(mHandle: THandle; mStrings: TStrings): Boolean;

{ 获取本地Application Data目录路径 }
function YzLocalAppDataPath : string;

{ 获取Windows当前登录的用户名 }
function YzGetWindwosUserName: String;

{枚举托盘图标 }
function YzEnumTrayNotifyWnd(AFindList: TStringList;ADestStr: string): BOOL;

{ 获取SQL Server用户数据库列表 }
procedure YzGetSQLServerDBList(ADBHostIP, ALoginPwd: string;ADBList: TStringList);

{ 读取据库中所有的表 }
procedure YzGetTableList(ConncetStr: string;ATableList: TStringList);

{ 将域名解释成IP地址 }
function YzDomainToIP(HostName: string): string;

{ 等待进程结束 }
procedure YzWaitProcessExit(AProcessName: string);

{ 移去系统托盘失效图标 }
procedure YzRemoveDeadIcons();

{ 转移程序占用内存至虚拟内存 }
procedure YzClearMemory;

{ 检测允许试用的天数是否已到期 }
function YzCheckTrialDays(AllowDays: Integer): Boolean;

{ 指定长度的随机小写字符串函数 }
function YzRandomStr(aLength: Longint): string;

var
  FontMapping : array of TFontMapping;

implementation

uses
  uMain;

{ 保存日志文件 }
procedure YzWriteLogFile(Msg: String);
var
  FileStream: TFileStream;
  LogFile   : String;
begin
  try
    { 每天一个日志文件 }
    Msg := '[' + DateTimeToStr(Now)+ '] '+ Msg;
    LogFile := ExtractFilePath(Application.ExeName) + '/Logs/' + DateToStr(Now) + '.log';
    if not DirectoryExists(ExtractFilePath(LogFile)) then
      CreateDir(ExtractFilePath(LogFile));
    if FileExists(LogFile) then
      FileStream := TFileStream.Create(LogFile, fmOpenWrite or fmShareDenyNone)
    else
      FileStream:=TFileStream.Create(LogFile,fmCreate or fmShareDenyNone);
    FileStream.Position:=FileStream.Size;
    Msg := Msg + #13#10;
    FileStream.Write(PChar(Msg)^, Length(Msg));
    FileStream.Free;
  except
  end;
end;

{ 延时函数,单位为毫秒 }
procedure YZDelayTime(MSecs: Longint);
var
  FirstTickCount, Now: Longint;
begin
  FirstTickCount := GetTickCount();
  repeat
    Application.ProcessMessages;
    Now := GetTickCount();
  until (Now - FirstTickCount>=MSecs) or (Now < FirstTickCount);
end;

{ 判断字符串是否为数字 }
function YzStrIsNum(Str: string):boolean;
var
  I: integer;
begin
  if Str = '' then
  begin
    Result := False;
    Exit;
  end;
  for I:=1 to length(str) do
    if not (Str[I] in ['0'..'9']) then
    begin
      Result := False;
      Exit;
    end;
  Result := True;
end;

{ 判断文件是否正在使用 }
function YzIsFileInUse(fName: string): boolean;
var
  HFileRes: HFILE;
begin
  Result := false;
  if not FileExists(fName) then exit;
  HFileRes := CreateFile(pchar(fName), GENERIC_READ or GENERIC_WRITE, 0, nil,
    OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
  Result := (HFileRes = INVALID_HANDLE_VALUE);
  if not Result then CloseHandle(HFileRes);
end;

{ 删除字符串列表中的空字符串 }
procedure YzDelEmptyChar(AList: TStringList);
var
  I: Integer;
  TmpList: TStringList;
begin
  TmpList := TStringList.Create;
  for I := 0 to AList.Count - 1 do
    if AList.Strings[I] <> '' then TmpList.Add(AList.Strings[I]);
  AList.Clear;
  AList.Text := TmpList.Text;
  TmpList.Free;
end;

{ 删除文件列表中的"Thumbs.db"文件 }
procedure YzDelThumbsFile(AList: TStrings);
var
  I: Integer;
  TmpList: TStringList;
begin
  TmpList := TStringList.Create;
  for I := 0 to AList.Count - 1 do
    if ExtractFileName(AList.Strings[I]) <> 'Thumbs.db' then
      TmpList.Add(AList.Strings[I]);
  AList.Clear;
  AList.Text := TmpList.Text;
  TmpList.Free;
end;

{-------------------------------------------------------------
  功能:    返回一个整数指定位数的带"0"字符串
  参数:    Value:要转换的整数 ALength:字符串长度
  返回值:  string
--------------------------------------------------------------}
function YzIntToZeroStr(Value, ALength: Integer): string;
var
  I, ACount: Integer;
begin
  Result := '';
  ACount := Length(IntToStr(Value));
  if ACount >= ALength then Result := IntToStr(Value)
  else
  begin
    for I := 1 to ALength-ACount do
      Result := Result + '0';
    Result := Result + IntToStr(Value)
  end;
end;

{ 取日期年份分量 }
function YzGetYear(Date: TDate): Integer;
var
  y, m, d: WORD;
begin
  DecodeDate(Date, y, m, d);
  Result := y;
end;

{ 取日期月份分量 }
function YzGetMonth(Date: TDate): Integer;
var
  y, m, d: WORD;
begin
  DecodeDate(Date, y, m, d);
  Result := m;
end;

{ 取日期天数分量 }
function YzGetDay(Date: TDate): Integer;
var
  y, m, d: WORD;
begin
  DecodeDate(Date, y, m, d);
  Result := d;
end;

{ 取时间小时分量 }
function YzGetHour(Time: TTime): Integer;
var
  h, m, s, ms: WORD;
begin
  DecodeTime(Time, h, m, s, ms);
  Result := h;
end;

{ 取时间分钟分量 }
function YzGetMinute(Time: TTime): Integer;
var
  h, m, s, ms: WORD;
begin
  DecodeTime(Time, h, m, s, ms);
  Result := m;
end;

{ 取时间秒钟分量 }
function YzGetSecond(Time: TTime): Integer;
var
  h, m, s, ms: WORD;
begin
  DecodeTime(Time, h, m, s, ms);
  Result := s;
end;

{ 返回时间分量字符串 }
function YzGetTimeStr(ATime: TTime;AFlag: string): string;
var
  wTimeStr: string;
  FH, FM, FS, FMS: WORD;
const
  HOURTYPE    = 'Hour';
  MINUTETYPE  = 'Minute';
  SECONDTYPE  = 'Second';
  MSECONDTYPE = 'MSecond';
begin
  wTimeStr := TimeToStr(ATime);
  if Pos('上午', wTimeStr) <> 0 then
    wTimeStr := Copy(wTimeStr, Pos('上午', wTimeStr) + 4, 10)
  else if Pos('下午', wTimeStr) <> 0 then
    wTimeStr := Copy(wTimeStr, Pos('下午', wTimeStr) + 4, 10);
  DecodeTime(ATime, FH, FM, FS, FMS);
  if AFlag = HOURTYPE then
  begin
    { 如果是12小时制则下午的小时分量加12 }
    if Pos('下午', wTimeStr) <> 0 then
      Result := YzIntToZeroStr(FH + 12, 2)
    else
      Result := YzIntToZeroStr(FH, 2);
  end;
  if AFlag = MINUTETYPE  then Result := YzIntToZeroStr(FM, 2);
  if AFlag = SECONDTYPE  then Result := YzIntToZeroStr(FS, 2);
  if AFlag = MSECONDTYPE then Result := YzIntToZeroStr(FMS, 2);
end;

{ 返回日期时间字符串 }
function YzGetDateTimeStr(ATime: TTime;ADate: TDate): string;
var
  wYear, wMonth, wDay: string;
  wHour, wMinute, wSecond: string;
begin
  wYear := RightStr(YzIntToZeroStr(YzGetYear(ADate), 4), 2);
  wMonth := YzIntToZeroStr(YzGetMonth(ADate), 2);
  wDay := YzIntToZeroStr(YzGetDay(ADate), 2);

  wHour := YzGetTimeStr(ATime, 'Hour');
  wMinute := YzGetTimeStr(ATime, 'Minute');
  wSecond := YzGetTimeStr(ATime, 'Second');

  Result := wYear + wMonth + wDay + wHour + wMinute + wSecond;
end;

{ 通过窗体子串查找窗体 }
procedure YzFindSpecWindow(ASubTitle: string);

  function EnumWndProc(AWnd: THandle;AWinName: string): Boolean;stdcall;
  var
    WindowText: array[0..255] of Char;
    WindowStr: string;
  begin
    GetWindowText(AWnd, WindowText, 255);
    WindowStr := StrPas(WindowText);
    WindowStr := COPY(WindowStr, 1, StrLen(PChar(AWinName)));
    if CompareText(AWinName, WindowStr) = 0 then
    begin
      SetForegroundWindow(AWnd);
      Result := False; Exit;
    end;
    Result := True;
  end;

begin
  EnumWindows(@EnumWndProc, LongInt(@ASubTitle));
  YzDelayTime(1000);
end;

{ 获取计算机名称 }
function YzGetComputerName(): string;
var
  pcComputer: PChar;
  dwCSize: DWORD;
begin
  dwCSize := MAX_COMPUTERNAME_LENGTH + 1;
  Result := '';
  GetMem(pcComputer, dwCSize);
  try
    if Windows.GetComputerName(pcComputer, dwCSize) then
      Result := pcComputer;
  finally
    FreeMem(pcComputer);
  end;
end;

{ 判断进程CPU占用率 }
procedure YzJudgeCPU(ProcessName: string;CPUUsage: Single);
var
  cnt: PCPUUsageData;
  usage: Single;
begin
  cnt := wsCreateUsageCounter(FindProcess(ProcessName));
  while True do
  begin
    usage := wsGetCpuUsage(cnt);
    if usage <= CPUUsage then
    begin
      wsDestroyUsageCounter(cnt);
      YzDelayTime(2000);
      Break;
    end;
    YzDelayTime(10);
    Application.ProcessMessages;
  end;
end;

{ 分割字符串 }
procedure YzSeparateTerms(Source: string;Separator: Char;Terms: TStringList);

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