livingguestunit.pas

很好地delphi书籍源码

unit LivingGuestUnit;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, ExtCtrls, ImgList, ComCtrls, ToolWin, Grids, DBGrids,
  Buttons, DBActns, ActnList,printers;

type
  TFrmLivingGuest = class(TForm)
    DBGrid1: TDBGrid;
    ToolBar1: TToolBar;
    ToolButton7: TToolButton;
    ToolButton3: TToolButton;
    ToolButton5: TToolButton;
    ToolButton6: TToolButton;
    Panel1: TPanel;
    NameCB: TComboBox;
    Label1: TLabel;
    Label3: TLabel;
    Label2: TLabel;
    SexCB: TComboBox;
    Label4: TLabel;
    AgeCB: TComboBox;
    ActionList1: TActionList;
    DataSetFirst1: TDataSetFirst;
    DataSetPrior1: TDataSetPrior;
    DataSetNext1: TDataSetNext;
    DataSetLast1: TDataSetLast;
    DataSetDelete1: TDataSetDelete;
    ToolButton2: TToolButton;
    ToolButton1: TToolButton;
    ActionList2: TActionList;
    DataSetFirst2: TDataSetFirst;
    DataSetPrior2: TDataSetPrior;
    DataSetNext2: TDataSetNext;
    DataSetLast2: TDataSetLast;
    DataSetDelete2: TDataSetDelete;
    ImageList1: TImageList;
    procedure FormCreate(Sender: TObject);
    procedure NameCBChange(Sender: TObject);
    procedure SexCBChange(Sender: TObject);
    procedure AgeCBChange(Sender: TObject);
    procedure ToolButton2Click(Sender: TObject);
    procedure ToolButton1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  FrmLivingGuest: TFrmLivingGuest;
  function GetMyDateTime : TDateTime; stdcall; external 'MyDll.dll';

implementation

uses DataModuleUnit, Dy_QReport, DynamicFormUnit;

{$R *.dfm}

procedure TFrmLivingGuest.FormCreate(Sender: TObject);
begin
  with DataModule1.qGInfo do
  begin
    Close;
    SQL.Clear;
    SQL.Add('SELECT GuestID as 客户编号,GuestName as 客户姓名, Age as 年龄,');
    SQL.Add('Sex as 性别, BornPlace as 出生地, CardName as 证件类型,');
    SQL.Add('CardID as 证件号码, Company as 工作单位, Duty as 职务,');
    SQL.Add('PlanDays as 预住天数, Foregift as 预付押金,');
    SQL.Add('EnterDateTime as 入住时间,LeaveDateTime as 结算时间 From tbGInfo');
    SQL.Add('where GuestID>=0 ');
    Open;
  end;
end;

procedure TFrmLivingGuest.NameCBChange(Sender: TObject);
begin
 with DataModule1.qGInfo do
 begin
    Close;
    SQL.Clear;
    SQL.Add('SELECT GuestID as 客户编号,GuestName as 客户姓名, Age as 年龄,');
    SQL.Add('Sex as 性别, BornPlace as 出生地, CardName as 证件类型,');
    SQL.Add('CardID as 证件号码, Company as 工作单位, Duty as 职务,');
    SQL.Add('PlanDays as 预住天数, Foregift as 预付押金,');
    SQL.Add('EnterDateTime as 入住时间,LeaveDateTime as 结算时间 From tbGInfo');
    SQL.Add('where GuestID>=0 AND GuestName like:Str ');
    ParamByName('Str').AsString:='%'+NameCB.Text+'%';
    Open;
  end;

end;

procedure TFrmLivingGuest.SexCBChange(Sender: TObject);
begin
  with DataModule1.qGInfo do
  begin
    Close;
    SQL.Clear;
    SQL.Add('SELECT GuestID as 客户编号,GuestName as 客户姓名, Age as 年龄,');
    SQL.Add('Sex as 性别, BornPlace as 出生地, CardName as 证件类型,');
    SQL.Add('CardID as 证件号码, Company as 工作单位, Duty as 职务,');
    SQL.Add('PlanDays as 预住天数, Foregift as 预付押金,');
    SQL.Add('EnterDateTime as 入住时间,LeaveDateTime as 结算时间 From tbGInfo');
    SQL.Add('where GuestID>=0 AND Sex like:Str ');
    ParamByName('Str').AsString:='%'+SexCB.Text+'%';
    Open;
  end;

end;

procedure TFrmLivingGuest.AgeCBChange(Sender: TObject);
begin
  with DataModule1.qGInfo do
  begin
    Close;
    SQL.Clear;
    SQL.Add('SELECT GuestID as 客户编号,GuestName as 客户姓名, Age as 年龄,');
    SQL.Add('Sex as 性别, BornPlace as 出生地, CardName as 证件类型,');
    SQL.Add('CardID as 证件号码, Company as 工作单位, Duty as 职务,');
    SQL.Add('PlanDays as 预住天数, Foregift as 预付押金,');
    SQL.Add('EnterDateTime as 入住时间,LeaveDateTime as 结算时间 From tbGInfo');
    SQL.Add('where Age<'+AgeCB.Text);
    Open;
  end;

end;

procedure TFrmLivingGuest.ToolButton2Click(Sender: TObject);
begin
  Close;
end;

procedure TFrmLivingGuest.ToolButton1Click(Sender: TObject);
var
 DynamicForm:TDynamicForm;
 GridPrint:TGridPrint;
begin
  DynamicForm:=TDynamicForm.Create(Application);
  with DynamicForm do
  begin
    DynamicForm.QuickRep.Page.Orientation:=poLandscape;
    GridPrint:=TGridPrint.Create(QuickRep,DBGrid1,TitleB,HeaderB,DetailB,
                      '宾馆在住客户信息表');
    GridPrint.DoPreview();
    GridPrint.Free;
  end;
end;

end.