CopyFile/ru: what changed
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| 1 | + | [[Unit|Модуль]]: Lazarus [[fileutil/ru|fileutil]] ([[UTF-8]] замена для кода FPC [[RTL]] и дополнительная обработка файлов/каталогов) | |
| 2 | + | ||
| 3 | + | ``` pascal | |
| 3 | 4 | // флаги для копирования | |
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| 5 | + | type | |
| 6 | + | TCopyFileFlag = ( | |
| 7 | + | cffOverwriteFile, | |
| 8 | + | cffCreateDestDirectory, | |
| 9 | + | cffPreserveTime | |
| 10 | + | ); | |
| 11 | + | TCopyFileFlags = set of TCopyFileFlag; | |
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| 13 | + | function CopyFile(const SrcFilename, DestFilename: string): boolean; | |
| 14 | + | function CopyFile(const SrcFilename, DestFilename: string; PreserveTime: boolean): boolean; | |
| 15 | + | function CopyFile(const SrcFilename, DestFilename: string; Flags: TCopyFileFlags=[cffOverwriteFile]): boolean; | |
| 16 | + | ``` | |
| 18 | 17 | ||
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| 18 | + | **copyfile** копирует файл из места *SrcFilename* в место *DestFilename*. При желании можно сохранить метку времени файла (флаг *cffPreserveTime*). | |
| 20 | 19 | ||
| 21 | 20 | ## Windows example | |
| 22 | 21 | ||
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| 22 | + | Пример: | |
| 23 | + | ||
| 24 | + | ``` pascal | |
| 25 | 25 | uses | |
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| 29 | - | ||
| 26 | + | ... | |
| 27 | + | fileutil | |
| 28 | + | ... | |
| 29 | + | CopyFile('c:\autoexec.bat','c:\windows\temp\autoexec.bat.backup'); | |
| 30 | 30 | ``` | |
| 31 | 31 | ||
| 32 | - | ||
| 32 | + | **Результат работы функции** - вернёт [[True/ru|True]] при успешном копировании и [[False/ru|False]] в противном случае. | |
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| 34 | + | > **Note:** Если вы хотите использовать данную функцию в консольных программах, вам необходимо добавить модуль **LazUtils**, который не будет *тянуть* за собой весь пакет [[LCL/ru|LCL]] | |
| 35 | 35 | ||
| 36 | 36 | ## Lazarus example | |
| 37 | 37 | ||
| 38 | - | ||
| 38 | + | В этом примере используются следующие компоненты или функции: | |
| 39 | 39 | ||
| 40 | - | ||
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| 42 | - | ||
| 40 | + | - [[TOpenDialog]]  | |
| 41 | + | - [[TSaveDialog]]  | |
| 42 | + | - [[Dialog Examples|MessageDlg]] | |
| 43 | 43 | ||
| 44 | - | ||
| 44 | + | ``` pascal | |
| 45 | 45 | ||
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| 47 | 46 | procedure TForm1.Button1Click(Sender: TObject); | |
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| 47 | + | var | |
| 48 | + | ok:boolean; | |
| 49 | + | begin | |
| 50 | + | ok := false; | |
| 51 | + | if OpenDialog1.Execute then | |
| 52 | + | if SaveDialog1.Execute then | |
| 53 | + | ok := CopyFile(OpenDialog1.FileName, SaveDialog1.FileName); | |
| 54 | + | if ok then MessageDlg('Файл '+OpenDialog1.FileName+' успешно скопирован в ' + | |
| 55 | + | SaveDialog1.FileName,mtInformation,[mbOk],0) | |
| 56 | + | else MessageDlg('Копирование не удалось',mtWarning,[mbOk],0); | |
| 57 | + | end; | |
| 59 | 58 | ``` | |
| 60 | 59 | ||
| 61 | 60 | --- | |
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| 61 | + | *From the Free Pascal wiki, page "CopyFile/ru", as it stood on 2021-07-26 after a change by Zoltanleo, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's [[Licensing]] page. If you have concerns about this material, [message the admin](/wiki-contact).* |