可以采用递归算法,给你一个删除文件的算法,你自己设计拷贝吧:
function TForm1.Deltree (path : string): Boolean ;
var
SearchRec: TSearchRec;
begin
//判断目录是否存在
if DirectoryExists(path) then
begin
//进入该目录,删除其中的子目录和文件
oldDir := GetCurrentDir;
ChDir(path);
//查找目录中所有任何文件
FindFirst(′.′, faAnyFile, SearchRec);
repeat
//修改文件属性为普通属性值
FileSetAttr(SearchRec.Name,0);
//如果是目录并且不是.和..则递归调用DelTree
if(SearchRec.Attr and faDirectory > 0) then
begin
if(SearchRec.Name[1]<>′.′) then
if(not Deltree(SearchRec.Name)) then
break;
end
//如果是文件直接删除
else
if(not DeleteFile(SearchRec.Name))then
break ;
//继续查找,直到最后
until (FindNext(SearchRec)<>0) ;
//回到父目录,删除该目录
ChDir(′..′);
Result := ReMoveDir(path);
SetCurrentDir(oldDir);
end
else
Result := False ;
end ;
function TForm1.Deltree (path : string): Boolean ;
var
SearchRec: TSearchRec;
begin
//判断目录是否存在
if DirectoryExists(path) then
begin
//进入该目录,删除其中的子目录和文件
oldDir := GetCurrentDir;
ChDir(path);
//查找目录中所有任何文件
FindFirst(′.′, faAnyFile, SearchRec);
repeat
//修改文件属性为普通属性值
FileSetAttr(SearchRec.Name,0);
//如果是目录并且不是.和..则递归调用DelTree
if(SearchRec.Attr and faDirectory > 0) then
begin
if(SearchRec.Name[1]<>′.′) then
if(not Deltree(SearchRec.Name)) then
break;
end
//如果是文件直接删除
else
if(not DeleteFile(SearchRec.Name))then
break ;
//继续查找,直到最后
until (FindNext(SearchRec)<>0) ;
//回到父目录,删除该目录
ChDir(′..′);
Result := ReMoveDir(path);
SetCurrentDir(oldDir);
end
else
Result := False ;
end ;
fo: TSHFILEOPSTRUCT;
begin
with fo do
begin
Wnd := 0;
wFunc := FO_copy;
pFrom := 源;
pTo :=目标;
end;
(SHFileOperation(fo) = 0);
end;
ShellAPI;function CopyDirectory(const Source, Dest: string): boolean;
var
fo: TSHFILEOPSTRUCT;
begin
FillChar(fo, SizeOf(fo), 0);
with fo do
begin
Wnd := 0;
wFunc := FO_COPY;
pFrom := PChar(source+#0);
pTo := PChar(Dest+#0);
fFlags := FOF_NOCONFIRMATION+FOF_NOCONFIRMMKDIR ;
end;
Result := (SHFileOperation(fo) = 0);
end;
moj得简单点,所以给多点分哦,咔咔:)