FileSystemDirectoryEntry
ã¤ã³ã¿ã¼ãã§ã¤ã¹ã®ã¡ã½ãã getFile()
ã¯ãå¼ã³åºããããã£ã¬ã¯ããªã¼ãã«ã¼ãã¨ãããã£ã¬ã¯ããªã¼ãµãããªã¼ã®ã©ããã«æ ¼ç´ããã¦ãããã¡ã¤ã«ã«å¯¾å¿ãã FileSystemFileEntry
ãªãã¸ã§ã¯ããè¿ãã¾ãã
getFile()
getFile(path)
getFile(path, options)
getFile(path, options, successCallback)
getFile(path, options, successCallback, errorCallback)
弿°
path
çç¥å¯
ã¡ã½ãããå¼ã³åºããããã£ã¬ã¯ããªã¼ã«ããã¦ãã©ã®ãã¡ã¤ã«ã®é ç®ãè¿ãããè¨è¿°ããç¸å¯¾ãã¹ãæå®ããæååã
options
çç¥å¯
é ç®ããªãå ´åã«ä½æãããã©ããããã¡ã¤ã«ããã§ã«åå¨ããå ´åã«ã¨ã©ã¼ã¨ãããã©ãããæå®ãããªãã¸ã§ã¯ãã§ãããããã®ãªãã·ã§ã³ã¯ãç¾å¨ã®ã¨ããã¦ã§ãã®ã³ã³ããã¹ãã§ã¯æçã§ã¯ããã¾ããã 詳ãã㯠options 弿°ã®ç¯ãåç §ãã¦ãã ããã
successCallback
çç¥å¯
FileSystemFileEntry
ã使ããããå¼ã³åºãããã¡ã½ããã ãã®ã¡ã½ããã¯åä¸ã®å¼æ°ãã¤ã¾ãåé¡ã®ãã¡ã¤ã«ã表ã FileSystemFileEntry
ãªãã¸ã§ã¯ããåãåãã¾ãã
errorCallback
çç¥å¯
ã¨ã©ã¼ãçºçããå ´åã«å¼ã³åºãããã¡ã½ããã§ããå¯ä¸ã®å¼æ°ã¨ãã¦ãçºçããã¨ã©ã¼ã説æãã DOMException
ãªãã¸ã§ã¯ããåãåãã¾ãã
options
弿°
options
弿°ãªãã¸ã§ã¯ãã¯ã以ä¸ã®å¼æ°ãåãå
¥ãã¾ãã
create
çç¥å¯
ãã®ããããã£ã true
ã§ããªã¯ã¨ã¹ãããããã¡ã¤ã«ãåå¨ããªãå ´åãã¦ã¼ã¶ã¼ã¨ã¼ã¸ã§ã³ãã¯ããã使ããå¿
è¦ãããã¾ãã æ¢å®å¤ã¯ false
ã§ãã 親ãã£ã¬ã¯ããªã¼ã¯ãã§ã«åå¨ãã¦ããå¿
è¦ãããã¾ãã
exclusive
çç¥å¯
ãã true
ã§ create
ãªãã·ã§ã³ã true
ã§ããã°ãå¼ã³åºãåã«ãã¡ã¤ã«ãåå¨ãã¦ã¯ããã¾ããã ãã®ä»£ãããå¼ã³åºãæã«æ°ãã«ä½æãããã¨ãå¯è½ã§ãªããã°ãªãã¾ããã æ¢å®å¤ã¯ false
ã§ãããã®å¼æ°ã¯ create
ã false
ã®å ´åã«ã¯ç¡è¦ããã¾ãã
ä¸è¨ã®è¡¨ã¯ã対象ã¨ãããã¡ã¤ã«ã®ãã¹ãæ¢ã«åå¨ãããã©ããã«å¿ãã¦ããããã®ãã©ã°ãå¯è½ãªéãçµã¿åãããå ´åã®çµæãè¨è¿°ãããã®ã§ãã
create
ãªãã·ã§ã³ exclusive
ãªãã·ã§ã³ ãã¹ã®æ¡ä»¶ çµæ false
ç¡è¦ ãã¹ãåå¨ãã¦ãã¡ã¤ã«ã§ãã successCallback
ã FileSystemFileEntry
ã§å¼ã³åºãããã false
ç¡è¦ ãã¹ãåå¨ãã¦ããããã£ã¬ã¯ããªã¼ã§ãã errorCallback
ãé©åãªã¨ã©ã¼ã³ã¼ãã§å¼ã³åºãããï¼ã³ã¼ã«ããã¯ãæä¾ããã¦ããå ´åï¼ã true
false
ãã¹ãåå¨ãã æ¢åã®ãã¡ã¤ã«ãé¤å»ãããæ°ãããã¡ã¤ã«ã«ç½®ãæãããæ¬¡ã« successCallback
ã FileSystemFileEntry
ã§å¼ã³åºãããã true
false
ãã¹ãåå¨ããªã ãã¡ã¤ã«ã使ãããFileSystemFileEntry
ã successCallback
ã«æ¸¡ãããã true
true
ãã¹ãåå¨ãã errorCallback
㯠FileError.PATH_EXISTS_ERR
ã®ãããªé©åãªã¨ã©ã¼ã§å¼ã³åºããã¾ãã true
true
ãã¹ãåå¨ããªã ãã¡ã¤ã«ã使ãããFileSystemFileEntry
ã successCallback
ã«æ¸¡ãããã è¿å¤
ãªã (undefined
)ã
NotFoundError
DOMException
create
ãªãã·ã§ã³ãæå®ãããï¼ã¾ã㯠false
ãæå®ãã¾ãï¼ããã¡ã¤ã«ãåå¨ããªãå ´åã«çºçãã¾ãã
SecurityError
DOMException
ãã¡ã¤ã«ã¸ã®ã¢ã¯ã»ã¹ãªã¯ã¨ã¹ããã»ãã¥ãªãã£ä¸ã®çç±ã§æå¦ãããå ´åã«çºçãã¾ãã
TypeMismatchError
DOMException
æå®ãããã¹ããã¡ã¤ã«ã§ãªãå ´åã«çºçãã¾ãããããããã¡ã¤ã«ã§ããããã¤ãã®ãããªå¯¾å¿ãã¦ããªããã¡ã¤ã«è¨è¿°åããããã¾ãããããã¯ã¦ã¼ã¶ã¼ã¨ã¼ã¸ã§ã³ãã«ããç¨åº¦ä¾åãã¾ãã
ãã®ä¾ã§ã¯ãæå®ããè¨èªã®ã¦ã¼ã¶ã¼è¾æ¸ãå«ã JSON ãã¡ã¤ã«ãã¦ã¼ã¶ã¼ã®ã¢ããªãã¼ã¿ãã£ã¬ã¯ããªã¼å ã«æ ¼ç´ãããã®è¾æ¸ãèªã¿è¾¼ããã¨ãä»äºã¨ãã颿°ã表示ãã¦ãã¾ãã
let dictionary = null;
function loadDictionaryForLanguage(appDataDirEntry, lang) {
dictionary = null;
appDataDirEntry.getDirectory("Dictionaries", {}, (dirEntry) => {
dirEntry.getFile(`${lang}-dict.json`, {}, (fileEntry) => {
fileEntry.file((dictFile) => {
let reader = new FileReader();
reader.addEventListener("loadend", () => {
dictionary = JSON.parse(reader.result);
});
reader.readAsText(dictFile);
});
});
});
}
loadDictionaryForLanguage()
颿°ã¯ãã¾ã getDirectory()
ã使ç¨ãã¦ãæå®ããã¢ããªã®ãã¼ã¿ãã£ã¬ã¯ããªã¼å
ã«ãã "Dictionaries" ã¨ããååã®ãµããã©ã«ãã¼ã表ã FileSystemDirectoryEntry
ãªãã¸ã§ã¯ããåå¾ãã¾ãããã®æåã³ã¼ã«ããã¯ã¯ãçµæã®ãã£ã¬ã¯ããªã¼é
ç®ãªãã¸ã§ã¯ããåãåããgetFile()
ãå¼ã³åºãã¦ãè¾æ¸ãã¡ã¤ã«ã表ã FileSystemFileEntry
ãªãã¸ã§ã¯ããåå¾ãã¾ããèªã¿è¾¼ã¿ãæåãã㨠ï¼loadend
ã¤ãã³ããçºçãããã¨ã§ç¤ºããã¾ãï¼ãèªã¿è¾¼ã¾ããããã¹ã㯠JSON.parse()
ã«æ¸¡ãããJavaScript ãªãã¸ã§ã¯ãã«åæ§æããã¾ãã
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