?? modifytrain.pas
字號:
unit ModifyTrain;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, DB, ADODB, StdCtrls, ExtCtrls, DBCtrls, Mask;
type
TModifyTrainFrm = class(TForm)
Button1: TButton;
Button2: TButton;
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;
Edit7: TEdit;
Label7: TLabel;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Edit2KeyPress(Sender: TObject; var Key: Char);
procedure Edit4KeyPress(Sender: TObject; var Key: Char);
procedure Edit5KeyPress(Sender: TObject; var Key: Char);
procedure Edit6KeyPress(Sender: TObject; var Key: Char);
procedure Edit7KeyPress(Sender: TObject; var Key: Char);
private
{ Private declarations }
public
{ Public declarations }
end;
var
ModifyTrainFrm: TModifyTrainFrm;
implementation
uses Login, Main;
{$R *.dfm}
procedure TModifyTrainFrm.Button1Click(Sender: TObject);
begin
with LoginFrm.ADOQuery1 do
begin
close;
sql.clear;
sql.add('select * from 管理員 where admiid='+''''+LoginFrm.edit1.text+'''');
open;
first;
if recordcount=0 then
begin
showmessage('對不起,您沒有權限進入此單元,詳情請看幫助欄') ;
edit1.Text:='';
edit2.text:='';
edit3.text:='';
edit4.text:='';
end
else
begin
if edit1.text='' then
showmessage('請輸入車次號!')
else
if edit2.text='' then
showmessage('請輸入票價')
else
if edit3.text='' then
showmessage('請輸入站點名稱!')
else
if edit4.text='' then
showmessage('請輸入到達時間!')
else
if edit5.text='' then
showmessage('請輸入最大人限!')
else
if edit6.text='' then
showmessage('請輸入站點號!')
else
begin
begin
close;
sql.clear;
sql.add('select * from 車次 where trainnum='+''''+edit1.text+'''');
open;
first;
if recordcount<>0 then
begin
showmessage('對不起,此趟列車已經存在!請重新選擇車次號!');
edit1.Text:='';
edit2.text:='';
edit3.text:='';
edit4.text:='';
edit5.text:='';
edit6.text:='';
end
else
begin
close;
sql.clear;
sql.add('insert into 車次 (maxnum,trainnum,price,passed,arrivetime,prove,passnum,admiid,traindate) values('+''''+edit5.text+''''+','+''''+edit1.text+''''+','+''''+edit2.text+''''+','+''''+edit3.text+''''+','+''''+edit4.text+''''+','+''''+edit5.text+''''+','+''''+edit6.text+''''+','+''''+LoginFrm.Edit1.Text+''''+','+''''+edit7.text+''''+')');
execsql;
showmessage('新車次添加成功!,請查閱幫助信息一進行完整添加');
edit1.Text:='';
edit2.text:='';
edit3.text:='';
edit4.text:='';
edit5.Text:='';
edit6.text:='';
edit7.text:='';
end;
end;
end;
end;
end;
end;
procedure TModifyTrainFrm.Button2Click(Sender: TObject);
begin
edit1.text:='';
edit2.text:='';
edit3.text:='';
edit4.text:='';
MainFrm.Show;
end;
procedure TModifyTrainFrm.Edit2KeyPress(Sender: TObject; var Key: Char);
begin
if not(key in ['0'..'9','.']) then
begin
showmessage('請輸入正確的票價');
key:=#0;
end
end;
procedure TModifyTrainFrm.Edit4KeyPress(Sender: TObject; var Key: Char);
begin
if not(key in ['0'..'9',':']) then
begin
showmessage('請輸入正確的時間');
key:=#0;
end
end;
procedure TModifyTrainFrm.Edit5KeyPress(Sender: TObject; var Key: Char);
begin
if not(key in ['0'..'9']) then
begin
showmessage('請輸入正確負載');
key:=#0;
end
end;
procedure TModifyTrainFrm.Edit6KeyPress(Sender: TObject; var Key: Char);
begin
if not(key in ['0'..'9']) then
begin
showmessage('請輸入正確站點號');
key:=#0;
end
end;
procedure TModifyTrainFrm.Edit7KeyPress(Sender: TObject; var Key: Char);
begin
if not(key in ['0'..'9','-']) then
begin
showmessage('請輸入正確的日期');
key:=#0;
end
end;
end.
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