DELPHI7网络函数大全

Function GetUserResource(IpAddr: string; var List: TStringList): Boolean;
type
TNetResourceArray = ^TNetResource;//网络类型的数组
Var
i: Integer;
Buf: Pointer;
//检测网络状态
Function CheckNet(IpAddr:string): Boolean;
//检测机器是否登入网络
Function CheckMacAttachNet: Boolean;
//判断Ip协议有没有安装 这个函数有问题
Function IsIPInstalled : 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;
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.
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: ''
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
Function IsIPInstalled : boolean;
var
WSData: TWSAData;
ProtoEnt: PProtoEnt;
begin
Result := True;
try
if WSAStartup(2,WSData) = 0 then
begin
ProtoEnt := GetProtoByName('IP');
unit Net;
interface
uses
SysUtils
,Windows
,dialogs
,winsock
,Classes
,ComObj
,WinInet;
//得到本机的局域网Ip地址
Function GetLocalIp(var LocalIp:string): Boolean;
function GetLocalIP(var LocalIp: string): Boolean;
var
HostEnt: PHostEnt;
Ip: string;
addr: pchar;
Buffer: array [0..63] of char;
GInitData: TWSADATA;
网络函数大全
{=========================================================================
功 能: 网络函数库
时 间: 2002/10/02
版 本: 1.0
=========================================================================}
WNetEnumResource function continues a network-resource
enumeration started by the WNetOpenEnum function.
版 本:
1.0 2002/10/03 07:30:00
=============================================================ourceArray;
lphEnum: THandle;
NetResource: TNetResource;
Count,BufSize,Res: DWord;
Begin
Result := False;
List.Clear;
if copy(Ipaddr,0,2) <> '\\' then
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);
//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;
if ProtoEnt = nil then
Result := False
end;
finally
WSACleanup;
end;
end;
{=================================================================
功 能: 返回网络中的共享资源
begin
Result := False;
if GetSystemMetrics(SM_NETWORK) <> 0 then
Result := True;
end;
{=================================================================
//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;
//检测机器是否上网
Function InternetConnected: Boolean;
implementation
{=================================================================
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 CheckMacAttachNet: Boolean;
if HostEnt <> nil then
MacName := StrPas(Hostent^.h_name);
Result := True;
finally
WSACleanup;
end;
end;
{=================================================================
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;
begin
Result := False;
try
WSAStartup(2, GInitData);
GetHostName(Buffer, SizeOf(Buffer));
HostEnt := GetHostByName(buffer);
if HostEnt = nil then Exit;
function GetNameByIPAddr(IPAddr : String;var MacName:String): Boolean;
var
SockAddrIn: TSockAddrIn;