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unit UnitXZLYDSJ;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, Grids, DBGrids, StdCtrls, ComCtrls, ExtCtrls, DB, ADODB;
type
TFrmXZLYDSJ = class(TForm)
Panel4: TPanel;
LblMessage: TLabel;
BtnRetry: TButton;
Panel3: TPanel;
ProgressBar1: TProgressBar;
GroupBox9: TGroupBox;
BtnStart: TButton;
BtnClose: TButton;
PanelFCSJ: TPanel;
GroupBox5: TGroupBox;
DBGrid03: TDBGrid;
LabelInfo: TLabel;
ADOConnection1: TADOConnection;
DataSource1: TDataSource;
ADOQuery1: TADOQuery;
ADOQuery2: TADOQuery; // FrmMain.ADOConnection1
procedure BtnRetryClick(Sender: TObject);
procedure FormShow(Sender: TObject);
procedure ShowData;
procedure BtnStartClick(Sender: TObject);
procedure BtnCloseClick(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
FrmXZLYDSJ: TFrmXZLYDSJ;
threadid:dword;
hthread:thandle;
do1:boolean;
procedure down1;
implementation
uses UnitMain;
{$R *.dfm}
procedure down1;
begin
ProgressBar1.Max:=ADOQuery1.RecordCount; // 54行
ProgressBar1.Step:=1;
ADOQuery1.First ;
while not ADOQuery1.Eof do
begin
with ADOQuery2 do
begin
close;
sql.Clear ;
sql.add('select TOP 1 * from 运单表 where 运单号 = '''+ADOQuery1.FieldByName('运单号').AsString+'''');
open;
if not eof then
begin
ADOQuery2.Edit ;
ADOQuery2.FieldByName('持票人').AsString:=ADOQuery1.FieldByName('持票人').AsString;
ADOQuery2.FieldByName('领票日期').AsString:=ADOQuery1.FieldByName('领票日期').AsString;
ADOQuery2.FieldByName('出车编号').AsString:=ADOQuery1.FieldByName('出车编号').AsString;
ADOQuery2.Post ;
end;
end;
ADOQuery1.Edit;
ADOQuery1.FieldByName('已下载').AsBoolean:=true;
ADOQuery1.Post;
ADOQuery1.Next;
ProgressBar1.StepIt;
end;
LabelInfo.Visible :=true;
showdata;
do1:=true;
end;
procedure TFrmXZLYDSJ.BtnRetryClick(Sender: TObject);
begin
try
ADOConnection1.Connected:=False;
ADOConnection1.ConnectionString:='Provider=SQLOLEDB.1;Password=88888888;Persist Security Info=True;User ID=jld56;Initial Catalog=jld56;Data Source=255.255.255.255';
ADOConnection1.LoginPrompt:=false;
ADOConnection1.Connected:=true;
LblMessage.Caption:='数据库连接成功!';
BtnReTry.Enabled:=False;
except
LblMessage.Caption:='数据库连接失败,请确认网络连接无误后,按“重新连接”按钮!';
BtnStart.Enabled:=False;
BtnReTry.Enabled:=True;
end;
ShowData;
end;
procedure TFrmXZLYDSJ.FormShow(Sender: TObject);
begin
BtnRetry.Click;
do1:=true;
end;
procedure TFrmXZLYDSJ.ShowData;
begin
LabelInfo.Visible :=false;
with ADOQuery1 do
begin
close;
sql.Clear ;
sql.Add(' select * from 领运单数据表 where 已下载 = 0 ');
open;
if RecordCount<=0 then
BtnStart.Enabled :=false
else
BtnStart.Enabled :=true;
end;
end;
procedure TFrmXZLYDSJ.BtnStartClick(Sender: TObject);
begin
if MessageDlg('您确定要下载 领运单 数据吗?',mtConfirmation,[mbYes,mbNo],0)=mrNo then
exit;
if do1=true then
begin
hthread:=createthread(nil,0,@down1,nil,0,threadid);
do1:=false;
end;
end;
procedure TFrmXZLYDSJ.BtnCloseClick(Sender: TObject);
begin
if hthread>0 then
terminatethread(hthread,2);
close;
end;
end.