获得本机IP地址

uses winsock;

function GetLocalIP(var LocalIp: string): Boolean; var HostEnt: PHostEnt; Ip: string; addr: pchar; Buffer: array [0..63] of char; GInitData: TWSADATA; begin Result := False; try WSAStartup(2, GInitData); GetHostName(Buffer, SizeOf(Buffer)); HostEnt := GetHostByName(buffer); if HostEnt = nil then Exit; addr := HostEnt^.h_addr_list^; ip := Format('%d.%d.%d.%d', [byte(addr [0]), byte (addr [1]), byte (addr [2]), byte (addr [3])]); LocalIp := Ip; Result := True; finally WSACleanup; end; end;

var strIP:string; begin if GetLocalIP(strIP) then Caption:=strip; end;