せっかく調べたので、メモ。 Charset$availableCharsets()の結果 Default: ISO-8859-1 Big5 BOCU-1 CESU-8 cp864 GB2312 ISO-2022-JP ISO-8859-1 ISO-8859-10 ISO-8859-13 ISO-8859-14 ISO-8859-15 ISO-8859-16 ISO-8859-2 ISO-8859-3 ISO-8859-4 ISO-8859-5 ISO-8859-6 ISO-8859-7 ISO-8859-8 ISO-8859-9 JIS_X0201 KOI8-R macintosh SCSU TIS-620 US-ASCII UTF-16 UTF-16BE UTF-16LE UTF-32 UTF-32BE UTF-32LE UTF-7 UTF-8 windows-1250 windows-