{
的所有方法都只是在DELPHI7下通过编译;
极少部分通过具体应用;
}
unit Unit2;
interface
uses Windows, SysUtils, ShellAPI, Messages, Classes, Forms, Controls, ComCtrls,
Dialogs, Graphics, Registry, winsock, ComObj, WinInet;//,FileCtrl;
//{$IFDEF Delphi6},Variants{$EndIf};
type
TMyClass = class
private
procedure CleanDirectoryProc(sFileName: string; var bContinue: Boolean);
end;
TEnumDirectoryFileProc = procedure (Filename: string; var bContinue: Boolean) of object;
type
Tpub = class
private
public
//求不定个数的整数的和;
function GetIntSum(const a: array of Integer): Integer;
//把小写阿拉伯数字转成大写
function ConvertSmallNumToBig(SmallNum: real):string;
//取得系统路径;
function PathGetSystemPath: string;
//路径最后没有’/’则加’/’
function PathWithSlash(const Path: string): string;
//取得Windows路径
function PathGetWindowsPath: string;
//移动文件夹
procedure FileMoveDirectory(sDir, tDir:string;AHandle:Thandle);
//删除给定路径及以下的所有路径和文件
procedure FileDeleteDirectory(sDir: string);overload;
//删除给定路径及以下的所有路径和文件 用WinApi
procedure FileDeleteDirectory(AHandle: THandle;const ADirName: string);overload;
//删除给定路径及以下的所有路径和文件 到回收站
procedure FileDeleteDirectoryToCycle(AHandle: THandle;const ADirName: string);
//取得路径最后部分和其他部分 如d:\aa\aa result:=aa sPath:=d:\aa\
function PathGetLeafDir(var sPath: string): string;
//路径最后有’/’则去’/’
function PathWithoutSlash(const Path: string): string;
//拷贝一个文件，封装CopyFile
procedure FileCopyFile(const sSrcFile, sDstFile: string);
//取得当前应用程序的路径
function PathExeDir(FileName: string = ”): string;
//使鼠标变忙和恢复正常
procedure DoBusy(Busy: Boolean);
//系统处理起
//提示窗口
procedure MsgBox(const Msg: string);
//询问窗口 带’是’,’否’按钮
function MsgYesNoBox(const Msg: string): Boolean;
//询问窗口 带’是’,’否,’取消’按钮//返回值smbYes,smbNo,smbCancel
function MsgYesNoCancelBox(const Msg: string): Integer;
//网络起
//得到本机的局域网Ip地址
Function NetGetLocalIp(var LocalIp:string): Boolean;
//通过Ip返回机器名
Function NetGetNameByIPAddr(IPAddr: string; var MacName: string): Boolean ;
//获取网络中SQLServer列表
Function NetGetSQLServerList(var List: Tstringlist): Boolean;
//获取网络中的工作组
Function NetGetGroupList(var List: TStringList): Boolean;
//获取工作组中所有计算机
Function NetGetUsers(GroupName: string; var List: TStringList): Boolean;
//判断Ip协议有没有安装 这个函数有问题
Function NetIsIPInstalled : boolean;
//检测机器是否上网
Function NetInternetConnected: Boolean;
//EMail起
function CheckMailAddress(Text: string): boolean;
//EMail止
end;
var
Pub: TPub;
implementation
{ Tpub }
procedure MyFileCopyDirectory(sDir, tDir:string;AHandle:Thandle;Flag: integer = 0);
var
fromdir,todir{,dirname}:pchar;
SHFileOpStruct:TSHFileOpStruct;
begin
GetMem(fromdir,length(sDir)+2);
try
GetMem(todir,length(tdir)+2);
try
FIllchar(fromdir^,length(sDir)+2,0);
FIllchar(todir^,length(tDir)+2,0);
strcopy(fromdir,pchar(sDir));
strcopy(todir,pchar(tDir));
with SHFileOpStruct do
begin
wnd := AHandle;
if Flag = 1 then
WFunc := FO_MOVE
else
WFunc := FO_COPY;
//该参数指明shFileOperation函数将执行目录的拷贝
pFrom:=fromdir;
pTO:=todir;
fFlags:=FOF_NOCONFIRMATION OR FOF_RENAMEONCOLLISION;
fAnyOperationsAborted:=false;
hnamemappings:=nil;
lpszprogresstitle:=nil;
end;
if shFileOperation(SHFileOpStruct)<>0 then
Raiselastwin32Error;
finally
FreeMem(todir,length(tDir)+2);
end;
finally
FreeMem(fromdir,length(sDir)+2);
end;
end;
procedure EnumDirectoryFiles(sDir, SMASK: string; Attr: Integer; EnumDirectoryFileProc: TEnumDirectoryFileProc);
var
SearchRec: TSearchRec;
Status : Integer;
bContinue: Boolean;
begin
sDir := Pub.PathWithSlash(sDir);
// traverse child directories
Status := FindFirst(sDir + ‘*.*’, faDirectory, SearchRec);
try
while Status = 0 do
begin
if (SearchRec.name <> ‘.’) and (SearchRec.name <> ‘..’) then
EnumDirectoryFiles(sDir + SearchRec.name, SMASK, Attr, EnumDirectoryFileProc);
Status := FindNext(SearchRec);
end;
finally
SysUtils.FindClose(SearchRec);
end;
// exam each valid file and invoke the callback func
Status := FindFirst(sDir + SMASK, faAnyFile, SearchRec);
try
while Status = 0 do
begin
if (SearchRec.Attr and Attr <> 0) and (FileExists(sDir + SearchRec.name) or DirectoryExists(sDir + SearchRec.name)) and
not ((SearchRec.Attr and faDirectory <> 0) and ((SearchRec.name = ‘.’) or (SearchRec.name = ‘..’))) then
begin
bContinue := True;
EnumDirectoryFileProc(sDir + SearchRec.name, bContinue);
if not bContinue then Break;
end;
Status := FindNext(SearchRec);
end;
finally
SysUtils.FindClose(SearchRec);
end;
end;
procedure Tpub.FileDeleteDirectory(sDir: string);
begin
//if not MsgYesNoBox(‘确信要删除该目录及以下所有文件夹和文件吗？’) then exit;
with TMyClass.Create do
try
EnumDirectoryFiles(sDir, ‘*.*’, faAnyFile, CleanDirectoryProc);
finally
Free;
end;
RMDir(sDir);
end;
procedure Tpub.FileCopyFile(const sSrcFile, sDstFile: string);
begin
if AnsiCompareFileName(sSrcFile, sDstFile) <> 0 then
CopyFile(PChar(sSrcFile), PChar(sDstFile), False);
end;
procedure Tpub.FileDeleteDirectory(AHandle: THandle;
const ADirName: string);
var
SHFileOpStruct:TSHFileOpStruct;
DirName: PChar;
BufferSize: Cardinal;
begin
// 调用shFileOperation函数可以实现对目录的拷贝、移动、重命名或删除操作
BufferSize := length(ADirName) + 2;
GetMem(DirName,BufferSize);
try
FIllChar(DirName^, BufferSize, 0);
StrCopy(DirName,PChar(ADirName));
with SHFileOpStruct do
begin
Wnd := AHandle;
WFunc := FO_DELETE;
pFrom := DirName;
pTO := nil;
fFlags := FOF_ALLOWUNDO;
fAnyOperationsAborted := false;
hNameMappings := nil;
lpszProgressTitle := nil;
end;
if SHFileOperation(SHFileOpStruct) <> 0 then
Raiselastwin32Error;
finally
FreeMem(DirName,BufferSize);
end;
end;
procedure TPub.FileDeleteDirectoryToCycle(AHandle: THandle;const ADirName: string);
var
SHFileOpStruct:TSHFileOpStruct;
DirName: PChar;
BufferSize: Cardinal;
aa: string;
begin
// 调用shFileOperation函数可以实现对目录的拷贝、移动、重命名或删除操作
if not DirectoryExists(ADirName) then
begin
aa := ADirName;
MsgBox(‘不存在文件夹“’ + PathGetLeafDir(aa) + ‘”,删除失败！’);
exit;
end;
BufferSize := length(ADirName) + 2;
GetMem(DirName,BufferSize);
try
FIllChar(DirName^, BufferSize, 0);
StrCopy(DirName,PChar(ADirName));
with SHFileOpStruct do
begin
Wnd := AHandle;
WFunc := FO_DELETE;
pFrom := DirName;
pTO := nil;
fFlags := FOF_ALLOWUNDO;
fAnyOperationsAborted:=false;
hNameMappings:=nil;
lpszProgressTitle:=nil;
end;
if SHFileOperation(SHFileOpStruct) <> 0 then
Raiselastwin32Error;
finally
FreeMem(DirName,BufferSize);
end;
end;
procedure Tpub.FileMoveDirectory(sDir, tDir: string; AHandle: Thandle);
begin
// 调用shFileOperation函数可以实现对目录的拷贝、移动、重命名或删除操作
if not DirectoryExists(sDir) then
begin
MsgBox(‘不存在源路径“’ + sDir + ‘”，移动数据失败！’);
exit;
end;
if DirectoryExists(tDir) then
begin
if Pub.MsgYesNoBox(‘已存在该文件夹确信要覆盖吗？’) then
FileDeleteDirectory(tDir)
else exit;
end else
if not MsgYesNoBox(‘不存在目标路径“’ + tDir + ‘”，要创建吗？’) then exit;
ForceDirectories(tDir);
MyFileCopyDirectory(sDir, tDir, AHandle, 1);
end;
procedure Tpub.MsgBox(const Msg: string);
begin
Application.MessageBox(PChar(Msg), PChar(Application.Title), MB_ICONINFORMATION);
end;
function Tpub.MsgYesNoBox(const Msg: string): Boolean;
begin
Result := Application.MessageBox(PChar(Msg), PChar(Application.Title), MB_ICONQUESTION or
MB_YESNO or MB_DEFBUTTON1) = IDYES;
end;
function Tpub.PathGetLeafDir(var sPath: string): string;
begin
sPath := PathWithoutSlash(sPath);
Result := ExtractFileName(sPath);
sPath := ExtractFilePath(sPath);
end;
function Tpub.PathGetSystemPath: string;
var
Buf: array[0..255] of Char;
begin
GetSystemDirectory(@Buf, 255);
Result := PathWithSlash(StrPas(@Buf));
end;
function Tpub.PathGetWindowsPath: string;
var
Buf: array[0..255] of Char;
begin
GetWindowsDirectory(@Buf, 255);
Result := PathWithSlash(StrPas(@Buf));
end;
function Tpub.PathWithoutSlash(const Path: string): string;
begin
if (Length(Path) > 0) and (Path[Length(Path)] = ‘\’) then Result := Copy(Path, 1, Length(Path) – 1)
else Result := Path;
end;
function TPub.PathWithSlash(const Path: string): string;
begin
Result := Path;
if (Length(Result) > 0) and (Result[Length(Result)] <> ‘\’) then Result := Result + ‘\’;
end;
function Tpub.PathExeDir(FileName: string): string;
begin
Result := ExtractFilePath(ParamStr(0)) + FileName;
end;
function Tpub.MsgYesNoCancelBox(const Msg: string): Integer;
begin
Result := Application.MessageBox(PChar(Msg),
PChar(Application.Title), MB_ICONQUESTION or MB_YESNOCANCEL or MB_DEFBUTTON1)
end;
procedure Tpub.DoBusy(Busy: Boolean);
var
Times: Integer;
begin
Times := 0;
if Busy then
begin
Inc(Times);
if Times = 1 then Screen.Cursor := crHourGlass;
end else
begin
dec(Times);
if Times = 0 then Screen.Cursor := crDefault;
end;
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 Tpub.NetGetLocalIp(var LocalIp: string): Boolean;
var
HostEnt: PHostEnt;
Ip: string;
addr: pchar;
Buffer: array [0..63] of char;
GInitData: TWSADATA;
begin
Result := False;
try
WSAStartup(2, GInitData);
GetHostName(Buffer, SizeOf(Buffer));
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 TPub.NetGetNameByIPAddr(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 TPub.NetGetSQLServerList(var List: Tstringlist): boolean;
var
i: integer;
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.free;
ServerList.free;
end;
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 TPub.NetGetGroupList( 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;
{=================================================================
功 能: 列举工作组中所有的计算机
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 TPub.NetGetUsers(GroupName: 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;
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 i := 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
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: 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 TPub.NetIsIPInstalled : 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: 检测计算机是否上网
参 数: 无
返回值: 成功: True 失败: False;
备 注: uses Wininet
版 本:
1.0 2002/10/07 13:33:00
=================================================================}
function TPub.NetInternetConnected: Boolean;
const
// local system uses a modem to connect to the Internet.
INTERNET_CONNECTION_MODEM = 1;
// local system uses a local area network to connect to the Internet.
INTERNET_CONNECTION_LAN = 2;
// local system uses a proxy server to connect to the Internet.
INTERNET_CONNECTION_PROXY = 4;
// local system’s modem is busy with a non-Internet connection.
INTERNET_CONNECTION_MODEM_BUSY = 8;
var
dwConnectionTypes : DWORD;
begin
dwConnectionTypes := INTERNET_CONNECTION_LAN+INTERNET_CONNECTION_MODEM
+INTERNET_CONNECTION_PROXY;
//Result := InternetGetConnectedState(@dwConnectionTypes, 1);
Result := InternetGetConnectedState(@dwConnectionTypes, 0);
end;
function Tpub.CheckMailAddress(Text: string): boolean;
var
Index: integer;
lp: integer;
begin
Result := false;
if ((length(trim(Text)) > 20) or (Pos(‘.’, Text) < 4))
or (Pos('.HTM', UpperCase(Text)) > 0) or (Pos(‘.HTML’, UpperCase(Text)) > 0)
or (Pos(‘.ASP’, UpperCase(Text)) > 0) or (Pos(‘.JSP’, UpperCase(Text)) > 0) then exit;
for lp := 1 to length(Text) do
if (Ord(Text[lp]) > $80) and (Text[lp] <> ‘@’) then exit;
if (Pos(‘.’, Text) < Pos('@', Text) + 1) then exit;
Index := Pos('@', Text);
if (Index < 2) or (Index >= Length(Text)) then exit;
Result := true;
end;
function Tpub.ConvertSmallNumToBig(SmallNum: real): string;
var
dx,dy,nn,cccc,dd,c,cc,lc:string;
n,iii:integer;
begin
dx:=’壹贰叁肆伍陆柒捌玖’;
dy:=’分角圆拾佰仟万拾佰仟亿拾佰’;
nn:=floattostr(strtofloat(Format(‘%.2f’,[SmallNum]))*100);
n:=length(nn);
cccc:=’整’;
for iii:=1 to n do
begin
dd:=copy(dy,iii*2-1,2);
c:=copy(nn,n-iii+1,1);
if c<>‘0’ then
begin
cc:=copy(dx,(strtoint(c)*2 – 1),2);
cccc:=trim(cc)+trim(dd)+trim(cccc);
end
else
begin
lc:=copy(trim(cccc),1,2);
if ((iii=3) or (iii=7) or (iii=11)) then
begin
cccc:=trim(dd) + trim(cccc);
continue;
end;
if ((lc<>‘零’) and (LC<>‘整’) and (LC<>‘亿’) and (LC<>‘万’) and (LC<>‘元’)) then
cccc:=’零’+cccc;
end;
end;
result := cccc;
end;
function Tpub.GetIntSum(const a: array of Integer): Integer;
var
i: Integer;
begin
result := 0;
for i := Low(a) to High(a) do
result := result + a[i];
end;
{ TMyClass }
procedure TMyClass.CleanDirectoryProc(sFileName: string;
var bContinue: Boolean);
var
Attr: Integer;
begin
Attr := FileGetAttr(sFileName);
Attr := (not faReadOnly) and Attr; // Turn off ReadOnly attribute
Attr := (not faHidden) and Attr; // Turn off Hidden attribute
FileSetAttr(sFileName, Attr);
if Attr and faDirectory <> 0 then
RMDir(sFileName)
else
SysUtils.DeleteFile(sFileName);
end;
initialization
Pub := TPub.Create;
finalization
Pub.Free;
end.
