在WIN2000与WIN98中创建共享文件夹的方法

在去年写的‘使用SQLSERVER的扩展存储过程实现远程备份与恢复 （http://www.csdn.net/Develop/read_article.ASP?id=21304）’一文中许多人都提到如何在程序中创建共享文件夹的问题，我当时因为工作忙，只看到了留言没有及时去回复，对读者造成的不便深感抱歉。在此文中，我就把如何在WIN2000与WIN98中创建共享文件夹的代码一一列出（包括相关的一系列网络函数等），以慰大家。

unit PubLib;

interface

uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
Menus, ComCtrls, ToolWin, Db, ADODB, DBCtrls, StdCtrls,Math,dbgrids,
Buttons, ExtCtrls,cliPBrd,ReGIStry, variants;

const
NTlib = 'NETAPI32.DLL';
MElib = 'SVRAPI.DLL';
{共享类型}
STYPE_DISKTREE = 0 ;
STYPE_PRINTQ = 1 ;
STYPE_DEVICE = 2 ;
STYPE_IPC = 3 ;
{访问权限}
Access_READ = 0 ;
ACCESS_WRITE = 1 ;
ACCESS_CREATE = 2 ;
ACCESS_EXEC = 3 ;
ACCESS_DELETE = 4 ;
ACCESS_ALL = 7 ;

type
NET_API_STATUS = DWORD;
//纪录类型声明，注意参数类型的正确对应，最好别看 Delphi 的帮助，引起误导
TSHARE_INFO_502 = record
shi502_netname: PWideChar;
shi502_type: DWORD;
shi502_remark: PWideChar;
shi502_permissions: DWORD;
shi502_max_uses: DWORD;
shi502_current_uses: DWORD;
shi502_path: PWideChar;
shi502_passwd: PWideChar;
shi502_reserved: DWORD;
shi502_security_descriptor: PSECURITY_DESCRIPTOR;
end;
Share_Info50 = packed record
shi50_netname : array[0..12] of Char; {13}
shi50_type : Byte;
shi50_flags : Word;
shi50_remark : PChar;
shi50_path : PChar;
shi50_rw_password : array[0..8] of Char; {9}
shi50_ro_password : array[0..8] of Char;
end;

//******************************************网络函数********************
function IsWinNT: Boolean; //判断是否NT系统
function GetPDCName: string; //取得主域控制器名称
function GetDomainName: AnsiString; //获取域名
//建立、删除共享文件夹
//for win2000,winnt
function AppendShareResource(ServerName,FilePath,NetName, Remark : string): Integer;
function DeleteShareResource(ServerName: string; NetName: string): Integer;
//for win98
function AddShareResource (ServerName : PChar; FilePath : PChar;
NetName : PChar; Remark : PChar ) : Integer;
function DelShareResource(ServerName: string; NetName: string): Integer;

var NTNetGetDCName : function(Server, Domain: pWideChar; var DC: pWideChar): NET_API_STATUS; StdCall; NTNetApiBufferFree: function(lpBuffer: Pointer):NET_API_STATUS; StdCall; NTNetShareAdd : function (servername:Widestring; level: DWORD; Buf: PBYTE; var parm_err: PDWORD ): DWORD; stdcall;//建立共享目录函数 NTNetShareDel : function (ServerName:Widestring; NetName: Widestring; Reserved: DWord): Integer; stdcall; //撤销共享目录函数 MENetShareAdd : function (ServerName : PChar; ShareLevel : SmallInt; Buffer : Pointer; Size : Word) : Integer; StdCall; MENetShareDel : function (ServerName : PChar; NetName : PChar; Reserved : Word) : Integer; StdCall;

implementation

function IsWinNT: Boolean;
var
VersionInfo: TOSVersionInfo;
begin
VersionInfo.dwOSVersionInfoSize := SizeOf(TOSVersionInfo);
Result := GetVersionEx(VersionInfo);
if Result then
Result := VersionInfo.dwPlatformID = VER_PLATFORM_WIN32_NT;
end;

function GetPDCName: string;
var
pDomain : PWideChar;
LibHandle : THandle;
begin
Result := '';
LibHandle := LoadLibrary(NTlib);
if LibHandle = 0 then
raise Exception.Create('Unable to map library: ' NTlib);
try
@NTNetGetDCName := GetProcAddress(Libhandle, 'NetGetDCName');
@NTNetApiBufferFree := GetProcAddress(Libhandle, 'NetApiBufferFree');
try
if NTNetGetDCName(nil, nil, pDomain) = 0 then
Result := WideCharToString(pDomain);
finally
NTNetApiBufferFree(pDomain);
end;
finally
FreeLibrary(Libhandle);
end;
end;

function GetDomainName: AnsiString;
type
WKSTA_INFO_100 = record
wki100_platform_id: Integer;
wki100_computername: PWideChar;
wki100_langroup: PWideChar;
wki100_ver_major: Integer;
wki100_ver_minor: Integer;
end;

WKSTA_USER_INFO_1 = record
wkui1_username: PChar;
wkui1_logon_domain: PChar;
wkui1_logon_server: PChar;
wkui1_oth_domains: PChar;
end;
type
//Win9X ANSI prototypes from RADMIN32.DLL and RLOCAL32.DLL

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