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1 uses IdHTTP;
2 function GetPublicIP: string; 3 var 4 strIP, URL: string; 5 iStart, iEnd: Integer; 6 MyIdHTTP: TIdHTTP; 7 begin 8 Result := ''; 9 MyIdHTTP := TIdHTTP.Create(nil); 10 try 11 try 12 URL := MyIdHTTP.Get('http://www.ip138.com/ip2city.asp'); 13 except 14 end; 15 finally 16 MyIdHTTP.Free; 17 end; 18 19 if Length(URL) <> 0 then 20 begin 21 iStart := Pos('[', URL); 22 iEnd := Pos(']', URL); 23 if (iStart <> 0) and (iEnd <> 0) then 24 begin 25 strIP := Trim(Copy(URL, iStart + 1, iEnd - iStart - 1)); 26 if strIP <> '' then 27 Result := strIP; 28 end; 29 end; 30 end;
获取公网IP地址函数,需要引用IdHTTP
1 uses IdHTTP;
2 function GetPublicIP: string; 3 var 4 strIP, URL: string; 5 iStart, iEnd: Integer; 6 MyIdHTTP: TIdHTTP; 7 begin 8 Result := ''; 9 MyIdHTTP := TIdHTTP.Create(nil); 10 try 11 try 12 URL := MyIdHTTP.Get('http://www.ip138.com/ip2city.asp'); 13 except 14 end; 15 finally 16 MyIdHTTP.Free; 17 end; 18 19 if Length(URL) <> 0 then 20 begin 21 iStart := Pos('[', URL); 22 iEnd := Pos(']', URL); 23 if (iStart <> 0) and (iEnd <> 0) then 24 begin 25 strIP := Trim(Copy(URL, iStart + 1, iEnd - iStart - 1)); 26 if strIP <> '' then 27 Result := strIP; 28 end; 29 end; 30 end;
获取公网IP地址函数,需要引用IdHTTP
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