procedure TForm1.Button1Click(Sender: TObject);
var
xml : OleVariant;
r:string;
p1,p2 : Integer;
I:Integer;
begin
xml := CreateOleObject('Microsoft.XMLHTTP');
xml.Open('GET','http://www.123cha.com/ip/?q='+edt1.Text, False);
xml.Send;
r := xml.responseText;
p1:=Pos('数据',r);
p2:=Pos('