请问如何获得一个网址的IP地址?
例如:我想获得http://www.163.com.的IP地址,要如何用Delphi的程序或控件获得呢!谢谢! 问题点数：50、回复次数：1Top
1 楼erik（狮子）回复于 2005-06-04 16:14:17 得分 50
使用 WinSock 单元；
过程如下：
function HostToIP(Name: string; var Ip: string): Boolean;
var
wsdata : TWSAData;
hostName : array [0..255] of char;
hostEnt : PHostEnt;
addr : PChar;
begin
WSAStartup ($0101, wsdata);
try
gethostname (hostName, sizeof (hostName));
StrPCopy(hostName, Name);
hostEnt := gethostbyname (hostName);
if Assigned (hostEnt) then
if Assigned (hostEnt^.h_addr_list) then begin
addr := hostEnt^.h_addr_list^;
if Assigned (addr) then begin
IP := Format ('%d.%d.%d.%d', [byte (addr [0]),
byte (addr [1]), byte (addr [2]), byte (addr [3])]);
Result := True;
end
else
Result := False;
end
else
Result := False
else begin
Result := False;
end;
finally
WSACleanup;
end
end;
var
IP: string;
DNS: string;
begin
DNS := InputBox('输入DNS域名', '主机名称：', '');
if HostToIp(DNS, IP) then showmessage(IP);
end;Top
