给你一个函数: uses WinSock 过程如下: function IPAddrToName(IPAddr : String): String; var SockAddrIn: TSockAddrIn; HostEnt: PHostEnt; WSAData: TWSAData; begin WSAStartup($101, WSAData); SockAddrIn.sin_addr.s_addr:= inet_addr(PChar(IPAddr)); HostEnt:= gethostbyaddr(@SockAddrIn.sin_addr.S_addr, 4, AF_INET); if HostEnt<>nil then begin result:=StrPas(Hostent^.h_name) end else begin result:=''; end; end; 使用函数: var Name: string; begin Name := InputBox('输入对方主机IP', '主机IP地址:', ''); showmessage(IpAddrToName(Name)); end;
给你一个函数: uses WinSock 过程如下: function IPAddrToName(IPAddr : String): String; var SockAddrIn: TSockAddrIn; HostEnt: PHostEnt; WSAData: TWSAData; begin WSAStartup($101, WSAData); SockAddrIn.sin_addr.s_addr:= inet_addr(PChar(IPAddr)); HostEnt:= gethostbyaddr(@SockAddrIn.sin_addr.S_addr, 4, AF_INET); if HostEnt<>nil then begin result:=StrPas(Hostent^.h_name) end else begin result:=''; end; end; 使用函数: var Name: string; begin Name := InputBox('输入对方主机IP', '主机IP地址:', ''); showmessage(IpAddrToName(Name)); end;
解析IP地址为主机域名。使用 WinSock 单元; 过程如下: function IPAddrToName(IPAddr : String): String; var SockAddrIn: TSockAddrIn; HostEnt: PHostEnt; WSAData: TWSAData; begin WSAStartup($101, WSAData); SockAddrIn.sin_addr.s_addr:= inet_addr(PChar(IPAddr)); HostEnt:= gethostbyaddr(@SockAddrIn.sin_addr.S_addr, 4, AF_INET); if HostEnt<>nil then begin result:=StrPas(Hostent^.h_name) end else begin result:=''; end; end; 测试时请在在线状态。测试代码: var Name: string; begin Name := InputBox('输入对方主机IP', '主机IP地址:', ''); showmessage(IpAddrToName(Name));end; 作者:Latfi Baran
uses WinSock
过程如下:
function IPAddrToName(IPAddr : String): String;
var
SockAddrIn: TSockAddrIn;
HostEnt: PHostEnt;
WSAData: TWSAData;
begin
WSAStartup($101, WSAData);
SockAddrIn.sin_addr.s_addr:= inet_addr(PChar(IPAddr));
HostEnt:= gethostbyaddr(@SockAddrIn.sin_addr.S_addr, 4, AF_INET);
if HostEnt<>nil then
begin
result:=StrPas(Hostent^.h_name)
end
else
begin
result:='';
end;
end;
使用函数:
var
Name: string;
begin
Name := InputBox('输入对方主机IP', '主机IP地址:', '');
showmessage(IpAddrToName(Name));
end;
uses WinSock
过程如下:
function IPAddrToName(IPAddr : String): String;
var
SockAddrIn: TSockAddrIn;
HostEnt: PHostEnt;
WSAData: TWSAData;
begin
WSAStartup($101, WSAData);
SockAddrIn.sin_addr.s_addr:= inet_addr(PChar(IPAddr));
HostEnt:= gethostbyaddr(@SockAddrIn.sin_addr.S_addr, 4, AF_INET);
if HostEnt<>nil then
begin
result:=StrPas(Hostent^.h_name)
end
else
begin
result:='';
end;
end;
使用函数:
var
Name: string;
begin
Name := InputBox('输入对方主机IP', '主机IP地址:', '');
showmessage(IpAddrToName(Name));
end;
过程如下:
function IPAddrToName(IPAddr : String): String;
var
SockAddrIn: TSockAddrIn;
HostEnt: PHostEnt;
WSAData: TWSAData;
begin
WSAStartup($101, WSAData);
SockAddrIn.sin_addr.s_addr:= inet_addr(PChar(IPAddr));
HostEnt:= gethostbyaddr(@SockAddrIn.sin_addr.S_addr, 4, AF_INET);
if HostEnt<>nil then
begin
result:=StrPas(Hostent^.h_name)
end
else
begin
result:='';
end;
end;
测试时请在在线状态。测试代码:
var
Name: string;
begin
Name := InputBox('输入对方主机IP', '主机IP地址:', '');
showmessage(IpAddrToName(Name));end;
作者:Latfi Baran