我能用 Delphi 创建 Windows XP 的压缩文件夹吗?
我能用 Delphi 创建 Windows XP 的压缩文件夹吗?
TZipFile.ZipDirectoryContents('ZipFile.zip', 'C:\Zip\this\right\now');
要压缩文件,可以使用以下方法:
Zip := TZipFile.Create;
try
Zip.Open('ZipFile.zip', zmWrite);
Zip.Add('FileToBeZipped.txt');
Zip.Add('ThisWillBeCompressedAgainForSureAndBecomeSmaller.zip');
finally
Zip.Free;
end
FILE_FLAG_BACKUP_SEMANTICS
的CreateFile函数创建压缩文件夹。不久前,我尝试了所有能找到的Delphi压缩库,最终选择了KaZip,作者是Kiril Antonov。
我的要求如下:
我主要用它将.kml文件转换为.kmz文件,速度非常快。
以下是我使用它的示例:
uses
KaZip;
...
// replaces a .kml file with a .kmz file
procedure KmlToKmz(const aFileName: string);
var
FS: TFileStream;
KaZip:TKaZip;
KmzFileName:TFileName;
begin
KmzFileName := ChangeFileExt(aFileName, '.kmz');
KaZip := TKaZip.Create(nil);
try
// create an empty zipfile with .kmz extension:
FS := TFileStream.Create(KmzFileName, fmOpenReadWrite or FmCreate);
try
KaZip.CreateZip(FS);
finally
FS.Free;
end;
KaZip.Open(KmzFileName); // Open the new .kmz zipfile
KaZip.Entries.AddFile(aFileName); // add the .kml
KaZip.Close;
DeleteFile(aFileName); // delete the .kml
finally
KaZip.Free;
end;
end;
TZipFile.ZipDirectoryContents方法对我无效,因此我使用TZipFile.add()创建了自己的实现。如果有人需要,我在这里发布它。
procedure CreateZipOfDirectory(directory: string);
var
zip: TZipFile;
Arr: tarray<string>;
str: string;
function GetAllFilesInDir(const Dir: string): tarray<string>;
var
Search: TSearchRec;
procedure addAll(arr: tarray<string>; parent: string);
var
tmp: string;
begin
for tmp in arr do
begin
setlength(result, length(result) + 1);
result[length(result) - 1] := IncludeTrailingBackslash(parent) + tmp;
end;
end;
begin
setlength(result, 0);
if FindFirst(IncludeTrailingBackslash(Dir) + '*.*', faAnyFile or faDirectory, Search) = 0 then
try
repeat
if (Search.Attr and faDirectory) = 0 then
begin
setlength(result, length(result) + 1);
result[length(result) - 1] := Search.Name;
end
else if (Search.Name <> '..') and (Search.Name <> '.') then
addAll(GetAllFilesInDir(IncludeTrailingBackslash(Dir) + Search.Name), Search.Name);
until FindNext(Search) <> 0;
finally
FindClose(Search);
end;
end;
begin
Zip := TZipFile.Create;
try
Zip.Open('Foo.zip', zmWrite);
arr := GetAllFilesInDir(directory); // The Delphi TZipFile.ZipDirectoryContents does not work properly, so let's create our own.
for str in arr do
zip.Add(directory + str, str); // Add the second parameter to make sure that the file structure is preserved.
finally
zip.Free;
end;
end;