給個例子給你,多給點分 unit Unit_Main;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, DB, ADODB, StdCtrls,IniFiles, Grids, DBGrids, ComCtrls;type TfrmMain = class(TForm) btUpgrade: TButton; btCancel: TButton; up_sql: TADOCommand; OpenDial: TOpenDialog; ProgressBar1: TProgressBar; Label1: TLabel; procedure btUpgradeClick(Sender: TObject); procedure btCancelClick(Sender: TObject); private function SqlConnectionStr:String; { Private declarations } public { Public declarations } end;var frmMain: TfrmMain;implementation {$R *.dfm}function TfrmMain.SqlConnectionStr:String; var Udltext:TiniFile; providerStr,filePath:string; begin filePath:=ExtractFileDir(Application.ExeName)+'\connection.udl'; Udltext:=Tinifile.Create(filePath); if not FileExists(filePath) then begin result:=''; exit; end; providerStr:='provider='+Udltext.ReadString('oledb','Provider',''); result:=providerStr; end; procedure TfrmMain.btUpgradeClick(Sender: TObject); var fileload:string; Data1,data2:TStringList; i,j,k:integer; s,sql:string; begin if OpenDial.Execute then fileload:=OpenDial.FileName ; if fileload<>'' then begin Data1:=TStringList.Create ; data2:=TStringList.Create ; try try Data1.Clear; Data1.LoadFromFile(fileload); j:=0; for i:=0 to Data1.Count-1 do begin if (trim(data1[i])<>'go') and (trim(data1[i])<>'GO') and (trim(data1[i])<>'gO') and (trim(data1[i])<>'Go') then begin s:=s+data1[i]+' ' end else begin data2.Insert(j,s); j:=j+1; s:=''; end; end; up_sql.ConnectionString:=SqlConnectionStr; ProgressBar1.Max :=data2.Count-1; ProgressBar1.Min :=0; progressbar1.StepIt; for k:=0 to data2.Count-1 do begin sql:= data2[k]; up_sql.CommandText:=sql; up_sql.Prepared ; up_sql.Execute; ProgressBar1.StepBy(k); self.Update ; self.Refresh ; end; label1.Caption :='完成'; except begin data2[k]:=data2[k]+'【運行到這裡出錯了,請檢查語法】'; data2.SaveToFile('d:\history.txt'); showmessage('運行中出現語法錯語,請查看執行過程'); end; end; finally data2[k+1]:='.....執行到這裡結束......'; data2.SaveToFile('d:\history.txt'); data1.Free; data2.Free; end; end; end;procedure TfrmMain.btCancelClick(Sender: TObject); begin close; end;end.
<IMG alt="" border=0 src="http://www.qjsq.com/qjsq/admin/webedit/uploadfile/2004102810478599.JPG" style="BORDER-BOTTOM-COLOR: #000000; BORDER-LEFT-COLOR: #000000; BORDER-RIGHT-COLOR: #000000; BORDER-TOP-COLOR: #000000; FILTER: ">
用1.udl连接。如果连接不上调用
ShellExecute(0, nil, 'C:\Documents and Settings\Administrator\My Documents\1.udl', nil, nil, 1);
设置。点确定自动将设置保存在1.udl中。
在1.udl中就保存多种数据库接连字符串,可以用文本打开。
unit Unit_Main;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, DB, ADODB, StdCtrls,IniFiles, Grids, DBGrids, ComCtrls;type
TfrmMain = class(TForm)
btUpgrade: TButton;
btCancel: TButton;
up_sql: TADOCommand;
OpenDial: TOpenDialog;
ProgressBar1: TProgressBar;
Label1: TLabel;
procedure btUpgradeClick(Sender: TObject);
procedure btCancelClick(Sender: TObject);
private
function SqlConnectionStr:String;
{ Private declarations }
public
{ Public declarations }
end;var
frmMain: TfrmMain;implementation
{$R *.dfm}function TfrmMain.SqlConnectionStr:String;
var Udltext:TiniFile;
providerStr,filePath:string;
begin
filePath:=ExtractFileDir(Application.ExeName)+'\connection.udl';
Udltext:=Tinifile.Create(filePath);
if not FileExists(filePath) then
begin
result:='';
exit;
end;
providerStr:='provider='+Udltext.ReadString('oledb','Provider','');
result:=providerStr;
end;
procedure TfrmMain.btUpgradeClick(Sender: TObject);
var fileload:string;
Data1,data2:TStringList;
i,j,k:integer;
s,sql:string;
begin
if OpenDial.Execute then
fileload:=OpenDial.FileName ;
if fileload<>'' then
begin
Data1:=TStringList.Create ;
data2:=TStringList.Create ;
try
try
Data1.Clear;
Data1.LoadFromFile(fileload);
j:=0;
for i:=0 to Data1.Count-1 do
begin
if (trim(data1[i])<>'go') and (trim(data1[i])<>'GO') and
(trim(data1[i])<>'gO') and (trim(data1[i])<>'Go') then
begin
s:=s+data1[i]+' '
end else
begin
data2.Insert(j,s);
j:=j+1;
s:='';
end;
end;
up_sql.ConnectionString:=SqlConnectionStr;
ProgressBar1.Max :=data2.Count-1;
ProgressBar1.Min :=0;
progressbar1.StepIt;
for k:=0 to data2.Count-1 do
begin
sql:= data2[k];
up_sql.CommandText:=sql;
up_sql.Prepared ;
up_sql.Execute;
ProgressBar1.StepBy(k);
self.Update ;
self.Refresh ;
end;
label1.Caption :='完成';
except
begin
data2[k]:=data2[k]+'【運行到這裡出錯了,請檢查語法】';
data2.SaveToFile('d:\history.txt');
showmessage('運行中出現語法錯語,請查看執行過程');
end;
end;
finally
data2[k+1]:='.....執行到這裡結束......';
data2.SaveToFile('d:\history.txt');
data1.Free;
data2.Free;
end;
end;
end;procedure TfrmMain.btCancelClick(Sender: TObject);
begin
close;
end;end.