pass1unit.pas

基于DELPHI+SQL的校园自助银行系统

unit PASS1Unit;

interface

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

type
  TForm5 = class(TForm)
    Panel1: TPanel;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    SpeedButton1: TSpeedButton;
    SpeedButton2: TSpeedButton;
    Label7: TLabel;
    DBEdit1: TDBEdit;
    DBEdit2: TDBEdit;
    DBEdit3: TDBEdit;
    DBEdit4: TDBEdit;
    DBEdit5: TDBEdit;
    Edit1: TEdit;
    DBEdit6: TDBEdit;
    Table1: TTable;
    Table1BDEDesigner: TStringField;
    Table1BDEDesigner2: TStringField;
    Table1BDEDesigner3: TStringField;
    Table1BDEDesigner4: TFloatField;
    Table1BDEDesigner5: TStringField;
    Table1BDEDesigner6: TStringField;
    Table1BDEDesigner7: TStringField;
    DataSource1: TDataSource;
    procedure SpeedButton2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form5: TForm5;

implementation

{$R *.dfm}

procedure TForm5.SpeedButton2Click(Sender: TObject);
Var
R1:real;
R2:real;
Code1:Integer;
Code2:Integer;
s1:string;
s2:string;
s3:string;
begin
Table1.Edit;
s1:=DBEdit5.text;
S2:=Edit1.text;
Val(S1,R1,CODE1);
Val(s2,R2,CODE2);
STR(R1-R2,S3);
DBEdit5.Text:=S3;
If R1-R2>=0 Then begin
Table1.Post;
Edit1.text:='';
SpeedButton2.Enabled:=False;
Showmessage('取款业务结束，下次再见！');
 end else begin
showmessage('对不起你帐上已经不足支取数！或帐上金额已经为0，请减少支取数或存入金额！');
end;
end;
end.