网络图获取程序

http://www.loncomip.com/Product/net_work.htm>>自动生成网络图
以前公司做過, 但無法提供代碼
不行啊，眼睛同志，那个网址不可用
不要代码也行，我就是有一个设备的ip地址不知道，现在最着急的是找出她的ip地址
不过也想写一个这个东东，免得以后麻烦，如果好用的话就和大家共享，呵呵
unit Unit1;interfaceuses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls,Winsock, Sockets, ComCtrls, Buttons,shellapi,ComObj,WinInet;type
  TForm1 = class(TForm)
    TreeView1: TTreeView;
    TreeView2: TTreeView;
    Edit1: TEdit;
    procedure FormCreate(Sender: TObject);
    function GetLocalName():string;
    function GetLocalIP(aname:string):string;
    procedure GetComputerInGroupName();
    procedure GetGroupName();
    procedure TreeView1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure TreeView2Click(Sender: TObject);
  private
    { Private declarations }
  public    { Public declarations }
  end;
type
    TNetResourceArray = ^TNetResource;//网络类型的数组var
  Form1: TForm1;
strr:string;
implementation{$R *.dfm}procedure TForm1.FormCreate(Sender: TObject);
begin
GetGroupName();
end; function tform1.GetLocalIP (aname:string):string; //»ñÈ¡±¾µØipµØÖ·£»
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 := '';
StrPCopy(Buffer, AName);
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 tform1.GetLocalName ():string;//»ñÈ¡±¾µØÖ÷»úÃû£»
var
pComputerName:pchar ;
ComputerNameLen:longword;
begin
ComputerNameLen:=255;
GetMem(pComputerName,ComputerNameLen);
try
if not GetComputerName(pComputerName,ComputerNameLen) then
pComputerName:='No computer name';
                result:=pComputerName;
finally
FreeMem(pComputerName);
End;
end;procedure tform1.GetGroupName();
var
  NetResource: TNetResource;
  Buf: Pointer;
  Node: TtreeNode;
  Count, BufSize, Res: DWORD;
  lphEnum: THandle;
  p: TNetResourceArray;
  i, j: SmallInt;
  NetworkTypeList: TList;
  my_node_1: Ttreenode;
begin
  screen.Cursor := crHourGlass;
  Node :=TreeView1.Selected;
  NetworkTypeList := TList.Create;
  //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; //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);
  if (Res = ERROR_NO_MORE_ITEMS) //资源列举完毕
    or (Res <> NO_ERROR) //执行失败
    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;
  //WNetCloseEnum关闭一个列举句柄
  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);
      if (Res = ERROR_NO_MORE_ITEMS) //资源列举完毕
        or (Res <> NO_ERROR) //执行失败
        then break;
      P := TNetResourceArray(Buf);
      for I := 0 to Count - 1 do //列举各个工作组的信息
      begin
        my_node_1 := treeview1.Items.addchild(node, StrPAS(P^.lpRemoteName)); //取得一个工作组的名称
        my_node_1.imageindex := 1;
        Inc(P);
      end;
    end;
    Res := WNetCloseEnum(lphEnum); //关闭一次列举
    if Res <> NO_ERROR then break; //执行失败
  end;
  FreeMem(Buf);
  NetworkTypeList.Destroy;
  screen.Cursor := crDefault;
end;//获取计算机名
procedure tform1.GetComputerInGroupName();
var
  NetResource: TNetResource;
  Buf: Pointer;
  Count, BufSize, Res: DWord;
  Ind: Integer;
  lphEnum: THandle;
  Temp: TNetResourceArray;
  groupname: string;
  my_node: Ttreenode;
  my_node_2: Ttreenode;
begin
  screen.Cursor := crHourGlass;
  my_node := treeview2.Selected;
  groupname:= treeview1.Selected.text;
  FillChar(NetResource, SizeOf(NetResource), 0); //初始化网络层次信息
  NetResource.lpRemoteName := @GroupName[1]; //指定工作组名称
  NetResource.dwDisplayType := RESOURCEDISPLAYTYPE_SERVER; //类型为服务器（工作组）
  NetResource.dwUsage := RESOURCEUSAGE_CONTAINER;
  NetResource.dwScope := RESOURCETYPE_DISK; //列举文件资源信息
  //获取指定工作组的网络资源句柄
  Res := WNetOpenEnum(RESOURCE_GLOBALNET, RESOURCETYPE_DISK,
    RESOURCEUSAGE_CONTAINER, @NetResource, lphEnum);  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
   //获取计算机名称
    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 Ind := 0 to Count - 1 do //列举工作组的计算机名称
    begin
      //获取工作组的计算机名称，+2表示删除"\\"，如\\wangfajun=>wangfajun
      my_node_2 := treeview2.Items.AddChild(my_node, Temp^.lpRemoteName + 2);
      my_node_2.imageindex := 2;
        Inc(Temp);
    end;
  end;
  Res := WNetCloseEnum(lphEnum); //关闭一次列举
  if Res <> NO_ERROR then exit; //执行失败
  FreeMem(Buf);
  screen.Cursor := crDefault;
end;
procedure TForm1.TreeView1Click(Sender: TObject);
begin
TreeView2.Items.Clear;
GetComputerInGroupName();
end;procedure TForm1.Button2Click(Sender: TObject);
begin
close;
end;procedure TForm1.TreeView2Click(Sender: TObject);
begin
edit1.Text:=GetLocalIP(TreeView2.Selected.Text)
end;end.

调试易

网络图获取程序

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