unit10.~pas

一个简单的旅游管理系统

unit Unit10;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, ExtCtrls, DB, ADODB;

type
  TForm10 = class(TForm)
    Panel1: TPanel;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    Label7: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Edit4: TEdit;
    Edit5: TEdit;
    Edit6: TEdit;
    Edit7: TEdit;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    ADOConnection1: TADOConnection;
    ADOQuery1: TADOQuery;
    Label8: TLabel;
    procedure FormCreate(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form10: TForm10;

implementation

uses Unit9;

{$R *.dfm}

procedure TForm10.FormCreate(Sender: TObject);
begin
edit1.Text:='';
edit2.Text:='';
edit3.Text:='';
edit4.Text:='';
edit5.Text:='';
edit6.Text:='';
edit7.Text:='';
end;

procedure TForm10.Button2Click(Sender: TObject);
begin
edit1.Text:='';
edit2.Text:='';
edit3.Text:='';
edit4.Text:='';
edit5.Text:='';
edit6.Text:='';
edit7.Text:='';
end;

procedure TForm10.Button3Click(Sender: TObject);
begin
form10.close;
end;

procedure TForm10.Button1Click(Sender: TObject);
begin
if(edit1.text='') then
begin
showmessage('请输入航次');
exit;
end;
adoquery1.close;
adoquery1.sql.clear;
adoquery1.sql.add('select * from 航班信息表 where 航次=:id');
adoquery1.Parameters.ParamByName('id').Value:=trim(edit1.text);
adoquery1.Open;
if adoquery1.Bof and adoquery1.Eof then
begin
adoquery1.sql.Clear;
adoquery1.SQL.Add('insert into 航班信息表(航次,起飞时间,到达时间,出发地,到达地,价格,限乘人数)');
adoquery1.SQL.Add(' values(:id,:start,:finish,:begin,:end,:price,:people)');
adoquery1.Parameters.ParamByName('id').value:=trim(edit1.text);
adoquery1.Parameters.ParamByName('start').value:=trim(edit2.text);
adoquery1.Parameters.ParamByName('finish').value:=trim(edit3.text);
adoquery1.Parameters.ParamByName('begin').value:=trim(edit4.text);
adoquery1.Parameters.ParamByName('end').value:=trim(edit5.text);
adoquery1.Parameters.ParamByName('price').value:=trim(edit6.text);
adoquery1.Parameters.ParamByName('people').value:=trim(edit7.text);
adoquery1.ExecSQL;
showmessage('添加航班成功');
end
else
begin
showmessage('航次已经存在');
adoquery1.Close;
exit;
end;
end;

end.