发布时间 : 星期四 文章火车售票系统（毕业论文）更新完毕开始阅读
number:='number'+riqi+leixing;
num_a:=ADOQuery1.FieldValues[amount]; num_num:=ADOQuery1.FieldValues[number];
if num_a>0 then begin
Qbuy:=TADOQuery.Create(nil); with Qbuy do begin
Connection:=ADOConnection1; if leixing='7' then begin
zuo:=120; //一节车厢中硬座的个数 SQL.Clear; sqlstr:='update '+amount+'='+inttostr(num_a-1)+'
train_no=\ SQL.Add(sqlstr); ExecSQL;
SQL.Clear; sqlstr:='update
checi
set
train_node
set where
'+number+'='+inttostr(num_num+1)+' train_no=\ SQL.Add(sqlstr); ExecSQL; end else begin
zuo:=60; //一节车厢中卧铺，软卧的个数 sqlstr:='update
checi
where
set
'+amount+'='+inttostr(num_a-1)+','+number+'='+inttostr(num_num+1)+' where train_no=\ SQL.Clear; SQL.Add(sqlstr); ExecSQL; end; Close; end;
//打印车票 ，可以用报表更简单，但我没有装！ with form2 do begin show;
zhanm.Caption:=ADOQuery1.FieldValues['zhanm'];
no.Caption:=ADOQuery1.FieldValues['train_node.train_no']; riqi.Caption:=r_riqi.Text;
etime.Caption:=ADOQuery1.FieldValues['emit_time']; xiang.Caption:=inttostr(num_num div zuo); hao.Caption:=inttostr(num_num mod zuo); jiage.Caption:=price.Text; leixing.Caption:=r_leixing.Text; end;
ADOQuery1.Close; ADOQuery1.Open;
ADOQuery1.MoveBy(Distance); end else begin
//GroupBox1.Hide;
Qbuy:=TADOQuery.Create(nil); with Qbuy do begin
Connection:=ADOConnection1; DataSource3.DataSet:=Qbuy; SQL.Clear;
SQL.Add('select * from tui where 目的站=\ Open; end;
if Qbuy.RecordCount<=0 then begin
GroupBox2.Hide;
showmessage('对不起！这趟车的票已经售完.'); end else
GroupBox2.Show; end; end;
procedure Tmain.N7Click(Sender: TObject); begin if log then
main.BitBtn2.Click else
showmessage('请先登陆！谢谢！'); end;
procedure Tmain.N8Click(Sender: TObject);