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USES IdHTTP;
function GetPublicIP: string;var strIP, URL: string; iStart, iEnd, i: Integer; MyIdHTTP: TIdHTTP;begin Result := ''; MyIdHTTP := TIdHTTP.Create(nil);
//第1次尝试获取IP try try
MyIdHTTP.request.UserAgent:= 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; MyIE2; CustomExchangeBrowser; .NET CLR 1.1.4322) '; //URL := MyIdHTTP.Get('http://www.ip138.com/ip2city.asp'); http://www.ip138.com/ URL := MyIdHTTP.Get('http://www.net.cn/static/customercare/yourip.asp'); //URL := MyIdHTTP.Get('http://www.ip.cn/'); except
end; finally MyIdHTTP.Free; end; //Form1.Memo1.Lines.Add(url); if Length(URL) <> 0 then begin iStart := Pos('<h2>', URL); if (iStart <> 0) then begin for I := 0 to 15 do begin if URL[istart+4+i] in [',' , ' ', '<'] then break; //strIP[i] := URL[istart+4+i]; //Result := strIP; end; strIP := Trim(Copy(URL, iStart + 4, i)); if strIP <> '' then begin Result := strIP; //ShowMessage('2 ' + Result); Exit; end; end; end;
// 第2次尝试获取IP try try
MyIdHTTP.request.UserAgent:= 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; MyIE2; CustomExchangeBrowser; .NET CLR 1.1.4322) '; //URL := MyIdHTTP.Get('http://www.ip138.com/ip2city.asp'); http://www.ip138.com/ //URL := MyIdHTTP.Get('http://www.net.cn/static/customercare/yourip.asp'); URL := MyIdHTTP.Get('http://www.ip.cn/'); except
end; finally MyIdHTTP.Free; end; //Form1.Memo1.Lines.Add(url); if Length(URL) <> 0 then begin iStart := Pos('code>', URL); iEnd := Pos('</code', URL); if (iStart <> 0) and (iEnd <> 0) then begin strIP := Trim(Copy(URL, iStart + 5, iEnd - iStart - 5)); if strIP <> '' then begin Result := strIP; //ShowMessage('1 ' + Result); Exit; end; end; end;end; 相关阅读 >>
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