jfunit1.pas

《delphi 7.0_8.0课程设计与系统开发案例》随书代码

unit jfUnit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, DB, DBTables, DBCtrls, Mask, ExtCtrls, Buttons;

type
  TForm1 = class(TForm)
    Table1: TTable;
    DataSource1: TDataSource;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    Label7: TLabel;
    Label8: TLabel;
    Label9: TLabel;
    Table1BDEDesigner: TFloatField;
    Table1BDEDesigner2: TStringField;
    Table1BDEDesigner3: TStringField;
    Table1BDEDesigner4: TStringField;
    Table1YJF: TCurrencyField;
    Table1BDEDesigner5: TStringField;
    Table1BDEDesigner6: TMemoField;
    Table1BDEDesigner7: TStringField;
    Table1SJ: TCurrencyField;
    Table1ZL: TCurrencyField;
    Table1BDEDesigner8: TStringField;
    Table1BDEDesigner9: TStringField;
    DBEdit1: TDBEdit;
    DBEdit2: TDBEdit;
    DBLookupComboBox1: TDBLookupComboBox;
    Table2: TTable;
    DataSource2: TDataSource;
    DBLookupComboBox2: TDBLookupComboBox;
    DBLookupComboBox3: TDBLookupComboBox;
    DBLookupComboBox4: TDBLookupComboBox;
    DBEdit3: TDBEdit;
    DBEdit4: TDBEdit;
    Label11: TLabel;
    DBLookupComboBox5: TDBLookupComboBox;
    Label12: TLabel;
    DBMemo1: TDBMemo;
    Table2BDEDesigner: TStringField;
    Table2BDEDesigner2: TMemoField;
    Table2BDEDesigner3: TStringField;
    Table2BDEDesigner4: TCurrencyField;
    Table2BDEDesigner5: TStringField;
    Table2BDEDesigner6: TStringField;
    BitBtn1: TBitBtn;
    BitBtn2: TBitBtn;
    BitBtn3: TBitBtn;
    SpeedButton1: TSpeedButton;
    BitBtn4: TBitBtn;
    BitBtn5: TBitBtn;
    BitBtn6: TBitBtn;
    BitBtn7: TBitBtn;
    BitBtn8: TBitBtn;
    BitBtn9: TBitBtn;
    BitBtn10: TBitBtn;
    BitBtn11: TBitBtn;
    procedure Table1CalcFields(DataSet: TDataSet);
    procedure BitBtn5Click(Sender: TObject);
    procedure BitBtn6Click(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
    procedure BitBtn2Click(Sender: TObject);
    procedure BitBtn8Click(Sender: TObject);
    procedure BitBtn3Click(Sender: TObject);
    procedure SpeedButton1Click(Sender: TObject);
    procedure BitBtn4Click(Sender: TObject);
    procedure BitBtn7Click(Sender: TObject);
    procedure BitBtn9Click(Sender: TObject);
    procedure BitBtn10Click(Sender: TObject);
    procedure BitBtn11Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

uses Unit2, Unit3;

{$R *.dfm}

procedure TForm1.Table1CalcFields(DataSet: TDataSet);
begin
table1ZL.VALUE:=table1SJ.value-table1yjf.value;
end;

procedure TForm1.BitBtn5Click(Sender: TObject);
begin
table1.post;
end;

procedure TForm1.BitBtn6Click(Sender: TObject);
begin
table1.Refresh;
end;

procedure TForm1.BitBtn1Click(Sender: TObject);
begin
table1.First;
end;

procedure TForm1.BitBtn2Click(Sender: TObject);
begin
table1.Next;
end;

procedure TForm1.BitBtn8Click(Sender: TObject);
begin
table1.Prior;
end;

procedure TForm1.BitBtn3Click(Sender: TObject);
begin
table1.last
end;

procedure TForm1.SpeedButton1Click(Sender: TObject);
begin
table1.insert;
end;

procedure TForm1.BitBtn4Click(Sender: TObject);
begin
table1.Cancel;
end;

procedure TForm1.BitBtn7Click(Sender: TObject);
begin
table1.Delete;
end;

procedure TForm1.BitBtn9Click(Sender: TObject);
begin
table1.Edit;
end;

procedure TForm1.BitBtn10Click(Sender: TObject);
begin
form2.show;
end;

procedure TForm1.BitBtn11Click(Sender: TObject);
begin
form3.show;
end;

end.