unit Unit1;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;type
TForm1 = class(TForm)
Memo1: TMemo;
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;
i:Integer=1;
implementation{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject);
var TmpStr,Str:String;
j:integer;
begin
Str:='asdfs';
TmpStr:=Copy(Memo1.Text,i,Length(Memo1.Text)-i);
j:=pos(Str,TmpStr);
if j<>0 then
begin
memo1.SelStart:=i+j-2;
memo1.SelLength:=Length(Str);
memo1.SetFocus;
i:=i+j;
end else
showmessage('搜索完成');
end;end.
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;type
TForm1 = class(TForm)
Memo1: TMemo;
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;
i:Integer=1;
implementation{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject);
var TmpStr,Str:String;
j:integer;
begin
Str:='asdfs';
TmpStr:=Copy(Memo1.Text,i,Length(Memo1.Text)-i);
j:=pos(Str,TmpStr);
if j<>0 then
begin
memo1.SelStart:=i+j-2;
memo1.SelLength:=Length(Str);
memo1.SetFocus;
i:=i+j;
end else
showmessage('搜索完成');
end;end.
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货