读取本机的ip: function LocalIP:string; type TaPInAddr = array [0..10] of PInAddr; PaPInAddr = ^TaPInAddr; var phe : PHostEnt; pptr : PaPInAddr; Buffer : array [0..63] of char; I : Integer; GInitData : TWSADATA;begin WSAStartup($101, GInitData); Result := ''; GetHostName(Buffer, SizeOf(Buffer)); phe :=GetHostByName(buffer); if phe = nil then Exit; pptr := PaPInAddr(Phe^.h_addr_list); I := 0; while pptr^[I] <> nil do begin result:=StrPas(inet_ntoa(pptr^[I]^)); Inc(I); end; WSACleanup; end; ======================================== program get_ip; uses winsock,sysutils; VAR ch : ARRAY[1..32] OF Char; i : Integer; WSData: TWSAData; MyHost: PHostEnt; begin IF WSAstartup(2,wsdata)<>0 THEN BEGIN Writeln('can''t start Winsock: Error ',WSAGetLastError); Halt(2); END; try IF getHostName(@ch[1],32)<>0 THEN BEGIN Writeln('getHostName failed'); Halt(3); END; except Writeln('getHostName failed'); halt(3); end; MyHost:=GetHostByName(@ch[1]); IF MyHost=NIL THEN BEGIN Writeln(GetHostName('+StrPas(@ch[1])+') failed : Error '+IntToStr(WSAGetLastError)); Halt(4); END ELSE BEGIN Write('address '); FOR i:=1 TO 4 DO BEGIN Write(Ord(MyHost.h_addr^[i-1])); IF i<4 THEN then write('.') ELSE writeln; END; END; end. ===========================================
function LocalIP : string; type TaPInAddr = array [0..10] of PInAddr; PaPInAddr = ^TaPInAddr; var phe : PHostEnt; pptr : PaPInAddr; Buffer : array [0..63] of char; I : Integer; GInitData : TWSADATA; begin WSAStartup($101, GInitData); Result := ``; GetHostName(Buffer, SizeOf(Buffer)); phe :=GetHostByName(buffer); if phe = nil then Exit; pptr := PaPInAddr(Phe^.h_addr_list); I := 0; while pptr^[I] <> nil do begin result:=StrPas(inet_ntoa(pptr^[I]^)); Inc(I); end; WSACleanup; end;
Function TListener.GetLocalIP: String; type TaPInAddr = Array [0..10] Of PInAddr;//声明一个数据类型TaPInAddr,它是PInAddr类型的指针数组,长度为10个元素。 PaPInAddr = ^TaPInAddr;//声明一个TaPInAddr类型的指针。 var loc_prt_Ph: PHostEnt; loc_prt_pAddr: PaPInAddr; loc_ary_Buf: array [0..63] of char; loc_int_I: Integer; Ret: String; begin Ret:= ''; GetHostName (loc_ary_Buf, SizeOf (loc_ary_Buf)); loc_prt_Ph:= GetHostByName (loc_ary_Buf); loc_prt_pAddr:= PaPInAddr (loc_prt_Ph^.h_addr_list); loc_int_I:= 0; while loc_prt_pAddr^[loc_int_I] <> nil do Begin Ret:=StrPas(Inet_ntoa(loc_prt_pAddr^[loc_int_I^)); Inc(loc_int_I); End; GetLocalIP:= Ret; end;
function LocalIP:string; type TaPInAddr = array [0..10] of PInAddr; PaPInAddr = ^TaPInAddr; var phe : PHostEnt; pptr : PaPInAddr; Buffer : array [0..63] of char; I : Integer; GInitData : TWSADATA;begin WSAStartup($101, GInitData); Result := ''; GetHostName(Buffer, SizeOf(Buffer)); phe :=GetHostByName(buffer); if phe = nil then Exit; pptr := PaPInAddr(Phe^.h_addr_list); I := 0; while pptr^[I] <> nil do begin result:=StrPas(inet_ntoa(pptr^[I]^)); Inc(I); end; WSACleanup; end; ======================================== program get_ip; uses winsock,sysutils; VAR ch : ARRAY[1..32] OF Char; i : Integer; WSData: TWSAData; MyHost: PHostEnt; begin IF WSAstartup(2,wsdata)<>0 THEN BEGIN Writeln('can''t start Winsock: Error ',WSAGetLastError); Halt(2); END; try IF getHostName(@ch[1],32)<>0 THEN BEGIN Writeln('getHostName failed'); Halt(3); END; except Writeln('getHostName failed'); halt(3); end; MyHost:=GetHostByName(@ch[1]); IF MyHost=NIL THEN BEGIN Writeln(GetHostName('+StrPas(@ch[1])+') failed : Error '+IntToStr(WSAGetLastError)); Halt(4); END ELSE BEGIN Write('address '); FOR i:=1 TO 4 DO BEGIN Write(Ord(MyHost.h_addr^[i-1])); IF i<4 THEN then write('.') ELSE writeln; END; END; end.
function LocalIP:string; type TaPInAddr = array [0..10] of PInAddr; PaPInAddr = ^TaPInAddr; var phe : PHostEnt; pptr : PaPInAddr; Buffer : array [0..63] of char; I : Integer; GInitData : TWSADATA;begin WSAStartup($101, GInitData); Result := ''; GetHostName(Buffer, SizeOf(Buffer)); phe :=GetHostByName(buffer); if phe = nil then Exit; pptr := PaPInAddr(Phe^.h_addr_list); I := 0; while pptr^[I] <> nil do begin result:=StrPas(inet_ntoa(pptr^[I]^)); Inc(I); end; WSACleanup; end; ======================================== program get_ip; uses winsock,sysutils; VAR ch : ARRAY[1..32] OF Char; i : Integer; WSData: TWSAData; MyHost: PHostEnt; begin IF WSAstartup(2,wsdata)<>0 THEN BEGIN Writeln('can''t start Winsock: Error ',WSAGetLastError); Halt(2); END; try IF getHostName(@ch[1],32)<>0 THEN BEGIN Writeln('getHostName failed'); Halt(3); END; except Writeln('getHostName failed'); halt(3); end; MyHost:=GetHostByName(@ch[1]); IF MyHost=NIL THEN BEGIN Writeln(GetHostName('+StrPas(@ch[1])+') failed : Error '+IntToStr(WSAGetLastError)); Halt(4); END ELSE BEGIN Write('address '); FOR i:=1 TO 4 DO BEGIN Write(Ord(MyHost.h_addr^[i-1])); IF i<4 THEN then write('.') ELSE writeln; END; END; end.
function LocalIP:string; type TaPInAddr = array [0..10] of PInAddr; PaPInAddr = ^TaPInAddr; var phe : PHostEnt; pptr : PaPInAddr; Buffer : array [0..63] of char; I : Integer; GInitData : TWSADATA;begin WSAStartup($101, GInitData); Result := ''; GetHostName(Buffer, SizeOf(Buffer)); phe :=GetHostByName(buffer); if phe = nil then Exit; pptr := PaPInAddr(Phe^.h_addr_list); I := 0; while pptr^[I] <> nil do begin result:=StrPas(inet_ntoa(pptr^[I]^)); Inc(I); end; WSACleanup; end; ======================================== program get_ip; uses winsock,sysutils; VAR ch : ARRAY[1..32] OF Char; i : Integer; WSData: TWSAData; MyHost: PHostEnt; begin IF WSAstartup(2,wsdata)<>0 THEN BEGIN Writeln('can''t start Winsock: Error ',WSAGetLastError); Halt(2); END; try IF getHostName(@ch[1],32)<>0 THEN BEGIN Writeln('getHostName failed'); Halt(3); END; except Writeln('getHostName failed'); halt(3); end; MyHost:=GetHostByName(@ch[1]); IF MyHost=NIL THEN BEGIN Writeln(GetHostName('+StrPas(@ch[1])+') failed : Error '+IntToStr(WSAGetLastError)); Halt(4); END ELSE BEGIN Write('address '); FOR i:=1 TO 4 DO BEGIN Write(Ord(MyHost.h_addr^[i-1])); IF i<4 THEN then write('.') ELSE writeln; END; END; end.function LocalIP:string; type TaPInAddr = array [0..10] of PInAddr; PaPInAddr = ^TaPInAddr; var phe : PHostEnt; pptr : PaPInAddr; Buffer : array [0..63] of char; I : Integer; GInitData : TWSADATA;begin WSAStartup($101, GInitData); Result := ''; GetHostName(Buffer, SizeOf(Buffer)); phe :=GetHostByName(buffer); if phe = nil then Exit; pptr := PaPInAddr(Phe^.h_addr_list); I := 0; while pptr^[I] <> nil do begin result:=StrPas(inet_ntoa(pptr^[I]^)); Inc(I); end; WSACleanup; end; ======================================== program get_ip; uses winsock,sysutils; VAR ch : ARRAY[1..32] OF Char; i : Integer; WSData: TWSAData; MyHost: PHostEnt; begin IF WSAstartup(2,wsdata)<>0 THEN BEGIN Writeln('can''t start Winsock: Error ',WSAGetLastError); Halt(2); END; try IF getHostName(@ch[1],32)<>0 THEN BEGIN Writeln('getHostName failed'); Halt(3); END; except Writeln('getHostName failed'); halt(3); end; MyHost:=GetHostByName(@ch[1]); IF MyHost=NIL THEN BEGIN Writeln(GetHostName('+StrPas(@ch[1])+') failed : Error '+IntToStr(WSAGetLastError)); Halt(4); END ELSE BEGIN Write('address '); FOR i:=1 TO 4 DO BEGIN Write(Ord(MyHost.h_addr^[i-1])); IF i<4 THEN then write('.') ELSE writeln; END; END; end.
function LocalIP : string; type TaPInAddr = array[0..10] of PInAddr; PaPInAddr = ^TaPInAddr; var phe: PHostEnt; pptr: PaPInAddr; Buffer: array[0..63] of char; I: Integer; GInitData: TWSADATA; begin Result := ''; WSAStartup($101, GInitData); try GetHostName(Buffer, SizeOf(Buffer)); phe := GetHostByName(buffer); if phe <> nil then begin pptr := PaPInAddr(Phe^.h_addr_list); I := 0; while pptr^[I] <> nil do begin result := StrPas(inet_ntoa(pptr^[I]^)); Inc(I); end; end; finally WSACleanup; end; end;
function LocalIP:string;
type
TaPInAddr = array [0..10] of PInAddr;
PaPInAddr = ^TaPInAddr;
var
phe : PHostEnt;
pptr : PaPInAddr;
Buffer : array [0..63] of char;
I : Integer;
GInitData : TWSADATA;begin
WSAStartup($101, GInitData);
Result := '';
GetHostName(Buffer, SizeOf(Buffer));
phe :=GetHostByName(buffer);
if phe = nil then Exit;
pptr := PaPInAddr(Phe^.h_addr_list);
I := 0;
while pptr^[I] <> nil do begin
result:=StrPas(inet_ntoa(pptr^[I]^));
Inc(I);
end;
WSACleanup;
end;
========================================
program get_ip;
uses
winsock,sysutils;
VAR
ch : ARRAY[1..32] OF Char;
i : Integer;
WSData: TWSAData;
MyHost: PHostEnt;
begin
IF WSAstartup(2,wsdata)<>0 THEN
BEGIN
Writeln('can''t start Winsock: Error ',WSAGetLastError);
Halt(2);
END;
try
IF getHostName(@ch[1],32)<>0 THEN
BEGIN
Writeln('getHostName failed');
Halt(3);
END;
except
Writeln('getHostName failed');
halt(3);
end;
MyHost:=GetHostByName(@ch[1]);
IF MyHost=NIL THEN
BEGIN
Writeln(GetHostName('+StrPas(@ch[1])+') failed : Error
'+IntToStr(WSAGetLastError));
Halt(4);
END
ELSE
BEGIN
Write('address ');
FOR i:=1 TO 4 DO
BEGIN
Write(Ord(MyHost.h_addr^[i-1]));
IF i<4 THEN
then write('.')
ELSE
writeln;
END;
END;
end.
===========================================
type
TaPInAddr = array [0..10] of PInAddr;
PaPInAddr = ^TaPInAddr;
var
phe : PHostEnt;
pptr : PaPInAddr;
Buffer : array [0..63] of char;
I : Integer;
GInitData : TWSADATA;
begin
WSAStartup($101, GInitData);
Result := ``;
GetHostName(Buffer, SizeOf(Buffer));
phe :=GetHostByName(buffer);
if phe = nil then Exit;
pptr := PaPInAddr(Phe^.h_addr_list);
I := 0;
while pptr^[I] <> nil do begin
result:=StrPas(inet_ntoa(pptr^[I]^));
Inc(I);
end;
WSACleanup;
end;
type
TaPInAddr = Array [0..10] Of PInAddr;//声明一个数据类型TaPInAddr,它是PInAddr类型的指针数组,长度为10个元素。
PaPInAddr = ^TaPInAddr;//声明一个TaPInAddr类型的指针。
var
loc_prt_Ph: PHostEnt;
loc_prt_pAddr: PaPInAddr;
loc_ary_Buf: array [0..63] of char;
loc_int_I: Integer;
Ret: String;
begin
Ret:= '';
GetHostName (loc_ary_Buf, SizeOf (loc_ary_Buf));
loc_prt_Ph:= GetHostByName (loc_ary_Buf);
loc_prt_pAddr:= PaPInAddr (loc_prt_Ph^.h_addr_list);
loc_int_I:= 0;
while loc_prt_pAddr^[loc_int_I] <> nil
do
Begin
Ret:=StrPas(Inet_ntoa(loc_prt_pAddr^[loc_int_I^));
Inc(loc_int_I);
End;
GetLocalIP:= Ret;
end;
type
TaPInAddr = array [0..10] of PInAddr;
PaPInAddr = ^TaPInAddr;
var
phe : PHostEnt;
pptr : PaPInAddr;
Buffer : array [0..63] of char;
I : Integer;
GInitData : TWSADATA;begin
WSAStartup($101, GInitData);
Result := '';
GetHostName(Buffer, SizeOf(Buffer));
phe :=GetHostByName(buffer);
if phe = nil then Exit;
pptr := PaPInAddr(Phe^.h_addr_list);
I := 0;
while pptr^[I] <> nil do begin
result:=StrPas(inet_ntoa(pptr^[I]^));
Inc(I);
end;
WSACleanup;
end;
========================================
program get_ip;
uses
winsock,sysutils;
VAR
ch : ARRAY[1..32] OF Char;
i : Integer;
WSData: TWSAData;
MyHost: PHostEnt;
begin
IF WSAstartup(2,wsdata)<>0 THEN
BEGIN
Writeln('can''t start Winsock: Error ',WSAGetLastError);
Halt(2);
END;
try
IF getHostName(@ch[1],32)<>0 THEN
BEGIN
Writeln('getHostName failed');
Halt(3);
END;
except
Writeln('getHostName failed');
halt(3);
end;
MyHost:=GetHostByName(@ch[1]);
IF MyHost=NIL THEN
BEGIN
Writeln(GetHostName('+StrPas(@ch[1])+') failed : Error
'+IntToStr(WSAGetLastError));
Halt(4);
END
ELSE
BEGIN
Write('address ');
FOR i:=1 TO 4 DO
BEGIN
Write(Ord(MyHost.h_addr^[i-1]));
IF i<4 THEN
then write('.')
ELSE
writeln;
END;
END;
end.
http://expert.csdn.net/Expert/topic/1149/1149863.xml?temp=.4290735
type
TaPInAddr = array [0..10] of PInAddr;
PaPInAddr = ^TaPInAddr;
var
phe : PHostEnt;
pptr : PaPInAddr;
Buffer : array [0..63] of char;
I : Integer;
GInitData : TWSADATA;begin
WSAStartup($101, GInitData);
Result := '';
GetHostName(Buffer, SizeOf(Buffer));
phe :=GetHostByName(buffer);
if phe = nil then Exit;
pptr := PaPInAddr(Phe^.h_addr_list);
I := 0;
while pptr^[I] <> nil do begin
result:=StrPas(inet_ntoa(pptr^[I]^));
Inc(I);
end;
WSACleanup;
end;
========================================
program get_ip;
uses
winsock,sysutils;
VAR
ch : ARRAY[1..32] OF Char;
i : Integer;
WSData: TWSAData;
MyHost: PHostEnt;
begin
IF WSAstartup(2,wsdata)<>0 THEN
BEGIN
Writeln('can''t start Winsock: Error ',WSAGetLastError);
Halt(2);
END;
try
IF getHostName(@ch[1],32)<>0 THEN
BEGIN
Writeln('getHostName failed');
Halt(3);
END;
except
Writeln('getHostName failed');
halt(3);
end;
MyHost:=GetHostByName(@ch[1]);
IF MyHost=NIL THEN
BEGIN
Writeln(GetHostName('+StrPas(@ch[1])+') failed : Error
'+IntToStr(WSAGetLastError));
Halt(4);
END
ELSE
BEGIN
Write('address ');
FOR i:=1 TO 4 DO
BEGIN
Write(Ord(MyHost.h_addr^[i-1]));
IF i<4 THEN
then write('.')
ELSE
writeln;
END;
END;
end.
type
TaPInAddr = array [0..10] of PInAddr;
PaPInAddr = ^TaPInAddr;
var
phe : PHostEnt;
pptr : PaPInAddr;
Buffer : array [0..63] of char;
I : Integer;
GInitData : TWSADATA;begin
WSAStartup($101, GInitData);
Result := '';
GetHostName(Buffer, SizeOf(Buffer));
phe :=GetHostByName(buffer);
if phe = nil then Exit;
pptr := PaPInAddr(Phe^.h_addr_list);
I := 0;
while pptr^[I] <> nil do begin
result:=StrPas(inet_ntoa(pptr^[I]^));
Inc(I);
end;
WSACleanup;
end;
========================================
program get_ip;
uses
winsock,sysutils;
VAR
ch : ARRAY[1..32] OF Char;
i : Integer;
WSData: TWSAData;
MyHost: PHostEnt;
begin
IF WSAstartup(2,wsdata)<>0 THEN
BEGIN
Writeln('can''t start Winsock: Error ',WSAGetLastError);
Halt(2);
END;
try
IF getHostName(@ch[1],32)<>0 THEN
BEGIN
Writeln('getHostName failed');
Halt(3);
END;
except
Writeln('getHostName failed');
halt(3);
end;
MyHost:=GetHostByName(@ch[1]);
IF MyHost=NIL THEN
BEGIN
Writeln(GetHostName('+StrPas(@ch[1])+') failed : Error
'+IntToStr(WSAGetLastError));
Halt(4);
END
ELSE
BEGIN
Write('address ');
FOR i:=1 TO 4 DO
BEGIN
Write(Ord(MyHost.h_addr^[i-1]));
IF i<4 THEN
then write('.')
ELSE
writeln;
END;
END;
end.function LocalIP:string;
type
TaPInAddr = array [0..10] of PInAddr;
PaPInAddr = ^TaPInAddr;
var
phe : PHostEnt;
pptr : PaPInAddr;
Buffer : array [0..63] of char;
I : Integer;
GInitData : TWSADATA;begin
WSAStartup($101, GInitData);
Result := '';
GetHostName(Buffer, SizeOf(Buffer));
phe :=GetHostByName(buffer);
if phe = nil then Exit;
pptr := PaPInAddr(Phe^.h_addr_list);
I := 0;
while pptr^[I] <> nil do begin
result:=StrPas(inet_ntoa(pptr^[I]^));
Inc(I);
end;
WSACleanup;
end;
========================================
program get_ip;
uses
winsock,sysutils;
VAR
ch : ARRAY[1..32] OF Char;
i : Integer;
WSData: TWSAData;
MyHost: PHostEnt;
begin
IF WSAstartup(2,wsdata)<>0 THEN
BEGIN
Writeln('can''t start Winsock: Error ',WSAGetLastError);
Halt(2);
END;
try
IF getHostName(@ch[1],32)<>0 THEN
BEGIN
Writeln('getHostName failed');
Halt(3);
END;
except
Writeln('getHostName failed');
halt(3);
end;
MyHost:=GetHostByName(@ch[1]);
IF MyHost=NIL THEN
BEGIN
Writeln(GetHostName('+StrPas(@ch[1])+') failed : Error
'+IntToStr(WSAGetLastError));
Halt(4);
END
ELSE
BEGIN
Write('address ');
FOR i:=1 TO 4 DO
BEGIN
Write(Ord(MyHost.h_addr^[i-1]));
IF i<4 THEN
then write('.')
ELSE
writeln;
END;
END;
end.
type
TaPInAddr = array[0..10] of PInAddr;
PaPInAddr = ^TaPInAddr;
var
phe: PHostEnt;
pptr: PaPInAddr;
Buffer: array[0..63] of char;
I: Integer;
GInitData: TWSADATA;
begin
Result := '';
WSAStartup($101, GInitData);
try
GetHostName(Buffer, SizeOf(Buffer));
phe := GetHostByName(buffer);
if phe <> nil then
begin
pptr := PaPInAddr(Phe^.h_addr_list);
I := 0;
while pptr^[I] <> nil do
begin
result := StrPas(inet_ntoa(pptr^[I]^));
Inc(I);
end;
end;
finally
WSACleanup;
end;
end;