本机装有多块网卡,有多个ip地址,在delphi中如何才能获取所有的ip地址,将ip地址放入listbox,
用ipudpserver组件能获取地址吗?它有个bindings属性,在Object Inspector中单击bindings后的...出现的对话框中就有个ip addess列表,我就想要获取其中的内容,请大家帮帮忙!
用ipudpserver组件能获取地址吗?它有个bindings属性,在Object Inspector中单击bindings后的...出现的对话框中就有个ip addess列表,我就想要获取其中的内容,请大家帮帮忙!
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;
lpOutBuffer: PChar; dwOutBufferLen: DWORD;
lpdwOutBytesReturned: LPDWORD;
lpOverLapped: POINTER;
lpOverLappedRoutine: POINTER): integer; stdcall; external 'WS2_32.DLL';{Constants taken from C header files}
const
SIO_GET_INTERFACE_LIST = $4004747F;
IFF_UP = $00000001;
IFF_BROADCAST = $00000002;
IFF_LOOPBACK = $00000004;
IFF_POINTTOPOINT = $00000008;
IFF_MULTICAST = $00000010;type
sockaddr_gen = packed record
AddressIn: sockaddr_in;
filler: packed array[0..7] of char;
end;type
INTERFACE_INFO = packed record
iiFlags: u_long; // Interface flags
iiAddress: sockaddr_gen; // Interface address
iiBroadcastAddress: sockaddr_gen; // Broadcast address
iiNetmask: sockaddr_gen; // Network mask
end;implementationprocedure EnumInterfaces;
var
s: TSocket;
wsaD: WSADATA;
NumInterfaces: integer;
BytesReturned, SetFlags: u_long;
pAddrInet: SOCKADDR_IN;
//pAddrString: PCHAR;
PtrA: pointer;
Buffer: array[0..20] of INTERFACE_INFO;
i: integer; dwIP, dwMask, dwAddr_SubNetFisrt, dwAddr_SubNetLast, dwAddr_CNetFirst,
dwAddr_CNetLast: DWORD;
strStatus, strType, strIP, strMask, strRange, strRange2, strBroadAddr: string;
begin
WSAStartup($0101, wsaD); // Start WinSock
s := Socket(AF_INET, SOCK_STREAM, 0);// Open a socket
if (s = INVALID_SOCKET) then
exit;
try // Call WSAIoCtl
PtrA := @bytesReturned;
if (WSAIoCtl(s, SIO_GET_INTERFACE_LIST, nil, 0, @Buffer, 1024,
PtrA, nil, nil) <> SOCKET_ERROR) then
begin // If ok, find out how
// many interfaces exist
NumInterfaces := BytesReturned div SizeOf(INTERFACE_INFO);
for i := 0 to NumInterfaces - 1 do // For every interface
begin
SetFlags := Buffer[i].iiFlags;
if (SetFlags and IFF_UP) = IFF_UP then
strStatus := '正常' // Interface up/down
else
strStatus := '断开';
if (SetFlags and IFF_LOOPBACK) = IFF_LOOPBACK then // Loopback
begin
strType := ' Loopback interface';
continue;
end
else
strType := ' Network interface';
pAddrInet := Buffer[i].iiAddress.addressIn; // IP ADDRESS
dwIP := pAddrInet.sin_addr.S_addr;
strIP := inet_ntoa(pAddrInet.sin_addr); pAddrInet := Buffer[i].iiNetMask.addressIn;
dwMask := Buffer[i].iiNetMask.addressIn.sin_addr.S_addr;
strMask := inet_ntoa(pAddrInet.sin_addr); dwAddr_SubNetFisrt := dwIP and dwMask; //d3 := htonl(ntohl(d3) + 1);
dwAddr_SubNetLast := dwIP or (not dwMask); strRange := inet_ntoa(in_addr(dwAddr_SubNetFisrt)) + ' <--> ' +
inet_ntoa(in_addr(dwAddr_SubNetLast)); strRange2 := '';
if dwMask <> $00FFFFFF then
begin
dwAddr_CNetFirst := dwIP and $00FFFFFF; //d5 := htonl(ntohl(d5) + 1);
dwAddr_CNetLast := dwIP or $FF000000;
strRange2 := inet_ntoa(in_addr(dwAddr_CNetFirst)) + ' <--> ' +
inet_ntoa(in_addr(dwAddr_CNetLast));
end; pAddrInet := Buffer[i].iiBroadCastAddress.addressIn; // Broadcast addr
strBroadAddr := inet_ntoa(pAddrInet.sin_addr);
memIpCfg.Lines.Add('您的IP地址:' + strIP);
memIpCfg.Lines.Add('子网掩码:' + strMask);
memIpCfg.Lines.Add('本子网的IP地址范围:' + strRange);
if strRange2 <> '' then
begin
memIpCfg.Lines.Add('本C类网的IP地址范围:' + strRange2);
end;
memIpCfg.Lines.Add('连接状态:' + strStatus);
memIpCfg.Lines.Add(' ');
end;
end;
except
end;
// Close sockets
CloseSocket(s);
WSACleanUp;
end;end.
uses
SysUtils, Windows, dialogs, winsock, Classes, ComObj, WinInet, Variants;//错误信息常量
const
C_Err_GetLocalIp = '获取本地ip失败';
C_Err_GetNameByIpAddr = '获取主机名失败';
C_Err_GetSQLServerList = '获取SQLServer服务器失败';
C_Err_GetUserResource = '获取共享资失败';
C_Err_GetGroupList = '获取所有工作组失败';
C_Err_GetGroupUsers = '获取工作组中所有计算机失败';
C_Err_GetNetList = '获取所有网络类型失败';
C_Err_CheckNet = '网络不通';
C_Err_CheckAttachNet = '未登入网络';
C_Err_InternetConnected ='没有上网'; C_Txt_CheckNetSuccess = '网络畅通';
C_Txt_CheckAttachNetSuccess = '已登入网络';
C_Txt_InternetConnected ='上网了'; //检测机器是否登入网络
function IsLogonNet: Boolean; //得到本机的局域网Ip地址
function GetLocalIP(var LocalIp:string): Boolean; //通过Ip返回机器名
function GetNameByIPAddr(IPAddr: string; var MacName: string): Boolean ; //获取网络中SQLServer列表
function GetSQLServerList(var List: Tstringlist): Boolean; //获取网络中的所有网络类型
function GetNetList(var List: Tstringlist): Boolean; //获取网络中的工作组
function GetGroupList(var List: TStringList): Boolean; //获取工作组中所有计算机
function GetUsers(GroupName: string; var List: TStringList): Boolean; //获取网络中的资源
function GetUserResource(IpAddr: string; var List: TStringList): Boolean; //映射网络驱动器
function NetAddConnection(NetPath: Pchar; PassWord: Pchar;LocalPath: Pchar): Boolean; //检测网络状态
function CheckNet(IpAddr:string): Boolean; //判断Ip协议有没有安装 这个函数有问题
function IsIPInstalled : boolean; //检测机器是否上网
function InternetConnected: Boolean; //关闭网络连接
function NetCloseAll:boolean;
///////////////////////////////////////////////////////////////
/////////////////////////////////////////////////
////////////// 代码实现部门////////////{=================================================================
功 能: 检测机器是否登入网络
参 数: 无
返回值: 成功: True 失败: False
备 注:
版 本:
1.0 2002/10/03 09:55:00
=================================================================}
function IsLogonNet: Boolean;
begin
Result := False;
if GetSystemMetrics(SM_NETWORK) <> 0 then
Result := True;
end;
{=================================================================
功 能: 返回本机的局域网Ip地址
参 数: 无
返回值: 成功: True, 并填充LocalIp 失败: False
备 注:
版 本:
1.0 2002/10/02 21:05:00
=================================================================}
function GetLocalIP(var LocalIp: string): Boolean;
var
HostEnt: PHostEnt;
IP: String;
Addr: PChar;
Buffer: array [0..63] of Char;
WSData: TWSADATA;
begin
Result := False;
try
WSAStartUp(2, WSData);
GetHostName(Buffer, SizeOf(Buffer));
//Buffer:='ZhiDa16';
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;{=================================================================
功 能: 通过Ip返回机器名
参 数:
IpAddr: 想要得到名字的Ip
返回值: 成功: 机器名 失败: ''
备 注:
inet_addr function converts a string containing an Internet
Protocol dotted address into an in_addr.
版 本:
1.0 2002/10/02 22:09:00
=================================================================}
function GetNameByIPAddr(IPAddr : String;var MacName:String): Boolean;
var
SockAddrIn: TSockAddrIn;
HostEnt: PHostEnt;
WSAData: TWSAData;
begin
Result := False;
if IpAddr = '' then exit;
try
WSAStartup(2, WSAData);
SockAddrIn.sin_addr.s_addr := inet_addr(PChar(IPAddr));
HostEnt := gethostbyaddr(@SockAddrIn.sin_addr.S_addr, 4, AF_INET);
if HostEnt <> nil then
MacName := StrPas(Hostent^.h_name);
Result := True;
finally
WSACleanup;
end;
end;
功 能: 返回网络中SQLServer列表
参 数:
List: 需要填充的List
返回值: 成功: True,并填充List 失败 False
备 注:
版 本:
1.0 2002/10/02 22:44:00
=================================================================}
function GetSQLServerList(var List: Tstringlist): boolean;
var
i: integer;
//sRetValue: String;
SQLServer: Variant;
ServerList: Variant;
begin
//Result := False;
List.Clear;
try
SQLServer := CreateOleObject('SQLDMO.Application');
ServerList := SQLServer.ListAvailableSQLServers;
for i := 1 to Serverlist.Count do
list.Add (Serverlist.item(i));
Result := True;
Finally
SQLServer := NULL;
ServerList := NULL;
end;
end;{=================================================================
功 能: 判断IP协议有没有安装
参 数: 无
返回值: 成功: True 失败: False;
备 注: 该函数还有问题
版 本:
1.0 2002/10/02 21:05:00
=================================================================}
function IsIPInstalled : boolean;
var
WSData: TWSAData;
ProtoEnt: PProtoEnt;
begin
Result := True;
try
if WSAStartup(2,WSData) = 0 then
begin
ProtoEnt := GetProtoByName('IP');
if ProtoEnt = nil then
Result := False
end;
finally
WSACleanup;
end;
end;
{=================================================================
功 能: 返回网络中的共享资源
参 数:
IpAddr: 机器Ip
List: 需要填充的List
返回值: 成功: True,并填充List 失败: False;
备 注:
WNetOpenEnum function starts an enumeration of network
resources or existing connections.
WNetEnumResource function continues a network-resource
enumeration started by the WNetOpenEnum function.
版 本:
1.0 2002/10/03 07:30:00
=================================================================}
function GetUserResource(IpAddr: string; var List: TStringList): Boolean;
type
TNetResourceArray = ^TNetResource;//网络类型的数组
Var
i: Integer;
Buf: Pointer;
Temp: TNetResourceArray;
lphEnum: THandle;
NetResource: TNetResource;
Count,BufSize,Res: DWord;
Begin
Result := False;
List.Clear;
if copy(Ipaddr,0,2) <> '\\' then
IpAddr := '\\'+IpAddr; //填充Ip地址信息
FillChar(NetResource, SizeOf(NetResource), 0);//初始化网络层次信息
NetResource.lpRemoteName := @IpAddr[1];//指定计算机名称
//获取指定计算机的网络资源句柄
Res := WNetOpenEnum( RESOURCE_GLOBALNET, RESOURCETYPE_ANY,
RESOURCEUSAGE_CONNECTABLE, @NetResource,lphEnum);
Buf:=nil;
if Res <> NO_ERROR then exit;//执行失败
while True do//列举指定工作组的网络资源
begin
Count := $FFFFFFFF;//不限资源数目
BufSize := 8192;//缓冲区大小设置为8K
GetMem(Buf, BufSize);//申请内存,用于获取工作组信息
//获取指定计算机的网络资源名称
Res := WNetEnumResource(lphEnum, Count, Pointer(Buf), BufSize);
if Res = ERROR_NO_MORE_ITEMS then break;//资源列举完毕
if (Res <> NO_ERROR) then Exit;//执行失败
Temp := TNetResourceArray(Buf);
for i := 0 to Count - 1 do
begin
//获取指定计算机中的共享资源名称,+2表示删除"\\",
//如\\192.168.0.1 => 192.168.0.1
List.Add(Temp^.lpRemoteName + 2);
Inc(Temp);
end;
end;
Res := WNetCloseEnum(lphEnum);//关闭一次列举
if Res <> NO_ERROR then exit;//执行失败
Result := True;
FreeMem(Buf);
End;{=================================================================
功 能: 返回网络中的工作组
参 数:
List: 需要填充的List
返回值: 成功: True,并填充List 失败: False;
备 注:
版 本:
1.0 2002/10/03 08:00:00
=================================================================}
function GetGroupList( var List : TStringList ) : Boolean;
type
TNetResourceArray = ^TNetResource;//网络类型的数组
Var
NetResource: TNetResource;
Buf: Pointer;
Count,BufSize,Res: DWORD;
lphEnum: THandle;
p: TNetResourceArray;
i,j: SmallInt;
NetworkTypeList: TList;
Begin
Result := False;
NetworkTypeList := TList.Create;
List.Clear;
//获取整个网络中的文件资源的句柄,lphEnum为返回名柄
Res := WNetOpenEnum( RESOURCE_GLOBALNET, RESOURCETYPE_DISK,
RESOURCEUSAGE_CONTAINER, Nil,lphEnum);
if Res <> NO_ERROR then exit;//Raise Exception(Res);//执行失败
//获取整个网络中的网络类型信息
Count := $FFFFFFFF;//不限资源数目
BufSize := 8192;//缓冲区大小设置为8K
GetMem(Buf, BufSize);//申请内存,用于获取工作组信息
Res := WNetEnumResource(lphEnum, Count, Pointer(Buf), BufSize);
//资源列举完毕 //执行失败
if ( Res = ERROR_NO_MORE_ITEMS ) or (Res <> NO_ERROR ) then Exit;
P := TNetResourceArray(Buf);
for i := 0 to Count - 1 do//记录各个网络类型的信息
begin
NetworkTypeList.Add(p);
Inc(P);
end;
Res := WNetCloseEnum(lphEnum);//关闭一次列举
if Res <> NO_ERROR then exit;
for j := 0 to NetworkTypeList.Count-1 do //列出各个网络类型中的所有工作组名称
begin//列出一个网络类型中的所有工作组名称
NetResource := TNetResource(NetworkTypeList.Items[J]^);//网络类型信息
//获取某个网络类型的文件资源的句柄,NetResource为网络类型信息,lphEnum为返回名柄
Res := WNetOpenEnum(RESOURCE_GLOBALNET, RESOURCETYPE_DISK,
RESOURCEUSAGE_CONTAINER, @NetResource,lphEnum);
if Res <> NO_ERROR then break;//执行失败
while true do//列举一个网络类型的所有工作组的信息
begin
Count := $FFFFFFFF;//不限资源数目
BufSize := 8192;//缓冲区大小设置为8K
GetMem(Buf, BufSize);//申请内存,用于获取工作组信息
//获取一个网络类型的文件资源信息,
Res := WNetEnumResource(lphEnum, Count, Pointer(Buf), BufSize);
//资源列举完毕 //执行失败
if ( Res = ERROR_NO_MORE_ITEMS ) or (Res <> NO_ERROR) then break;
P := TNetResourceArray(Buf);
for i := 0 to Count - 1 do//列举各个工作组的信息
begin
List.Add( StrPAS( P^.lpRemoteName ));//取得一个工作组的名称
Inc(P);
end;
end;
Res := WNetCloseEnum(lphEnum);//关闭一次列举
if Res <> NO_ERROR then break;//执行失败
end;
Result := True;
FreeMem(Buf);
NetworkTypeList.Destroy;
End;