unit5.pas

学生缴费管理系统是以面向对象的观点进行开发的。根据对学生缴费信息与软件要求所做分析然后利用DELPHI开发出来的软件

unit Unit5;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Grids, DBGrids, DB, DBTables, StdCtrls;

type
  TForm5 = class(TForm)
    GroupBox1: TGroupBox;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Edit4: TEdit;
    Edit5: TEdit;
    Edit6: TEdit;
    Label7: TLabel;
    Button1: TButton;
    DataSource1: TDataSource;
    Query1: TQuery;
    DBGrid1: TDBGrid;
    Button2: TButton;
    Button3: TButton;
    procedure Button2Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form5: TForm5;

implementation
   uses unit2;
{$R *.dfm}

procedure TForm5.Button2Click(Sender: TObject);
begin
 form2.Show;
 form5.close;
end;

procedure TForm5.FormCreate(Sender: TObject);
begin
    query1.Close;
query1.SQL.Clear;
query1.SQL.Add('select * from 学生缴费');
query1.Prepare;
query1.open;
end;

procedure TForm5.Button1Click(Sender: TObject);
begin
if (edit1.Text<>'') and (edit2.Text<>'') and (edit3.Text<>'') and (edit4.Text<>'') and (edit5.Text<>'') and (edit6.Text<>'') then
begin
 query1.Close;
query1.SQL.Clear;
try
begin
query1.SQL.Add('insert into 学生缴费');
query1.SQL.Add('(学生编号,学生姓名,年级,班级,学年年度,应缴费用,缴费)');
query1.SQL.Add('values('''+edit1.text+''','''+edit2.text+''','''+edit3.text+''','''+edit4.text+''','''+edit5.text+''','''+edit6.text+''',false);');
query1.ExecSQL;
end
except
showmessage('your input is wrong! ');
end;
query1.SQL.Clear;
query1.SQL.Add('select * from 学生缴费');
query1.Prepare;
query1.open;
end
else showmessage('输入有误');
end;

procedure TForm5.Button3Click(Sender: TObject);
begin
application.Terminate;
end;

procedure TForm5.FormClose(Sender: TObject; var Action: TCloseAction);
begin
form2.Show;
     
end;

end.