0x01 背景知识：下表是locale ID与字符集名称的对应关系：
| Language | Locale ID | |
| English (American) | en_US.UTF-8 | AMERICAN_AMERICA.AL32UTF8 |
| English (American) | en_US.ISO-8859-1 | AMERICAN_AMERICA.WE8ISO8859P1 |
| English (American) | en_US.ISO-8859-15 | AMERICAN_AMERICA.WE8ISO8859P15 |
| English (Australian) | en_AU.UTF-8 | ENGLISH_AUSTRALIA.AL32UTF8 |
| English (Australian) | en_AU.ISO-8859-1 | ENGLISH_AUSTRALIA.WE8ISO8859P1 |
| English (Australian) | en_AU.ISO-8859-15 | ENGLISH_AUSTRALIA.WE8ISO8859P15 |
| English (British) | en_GB.UTF-8 | ENGLISH_UNITED KINGDOM.AL32UTF8 |
| English (British) | en_GB.ISO-8859-1 | ENGLISH_UNITED KINGDOM.WE8ISO8859P1 |
| English (British) | en_GB.ISO-8859-15 | ENGLISH_UNITED KINGDOM.WE8ISO8859P15 |
| English (Ireland) | en_IE.UTF-8 | ENGLISH_IRELAND.AL32UTF8 |
| English (Ireland) | en_IE.ISO-8859-1 | ENGLISH_IRELAND.WE8ISO8859P1 |
| English (Ireland) | en_IE.ISO-8859-15 | ENGLISH_IRELAND.WE8ISO8859P15 |
| German | de_DE.UTF-8 | GERMAN_GERMANY.AL32UTF8 |
| German | de_DE.ISO-8859-1 | GERMAN_GERMANY.WE8ISO8859P1 |
| German | de_DE.ISO-8859-15 | GERMAN_GERMANY.WE8ISO8859P15 |
| French | fr_FR.UTF-8 | FRENCH_FRANCE.AL32UTF8 |
| French | fr_FR.ISO-8859-1 | FRENCH_FRANCE.WE8ISO8859P1 |
| French | fr_FR.ISO-8859-15 | FRENCH_FRANCE.WE8ISO8859P15 |
| Italian | it_IT.UTF-8 | ITALIAN_ITALY.AL32UTF8 |
| Italian | it_IT.ISO-8859-1 | ITALIAN_ITALY.WE8ISO8859P1 |
| Italian | it_IT.ISO-8859-15 | ITALIAN_ITALY.WE8ISO8859P15 |
| Spanish | es_ES.UTF-8 | SPANISH_SPAIN.AL32UTF8 |
| Spanish | es_ES.ISO-8859-1 | SPANISH_SPAIN.WE8ISO8859P1 |
| Spanish | es_ES.ISO-8859-15 | SPANISH_SPAIN.WE8ISO8859P15 |
| Spanish (Mexico) | es_MX.UTF-8 | MEXICAN SPANISH_MEXICO.AL32UTF8 |
| Spanish (Mexico) | es_MX.ISO-8859-1 | MEXICAN SPANISH_MEXICO.WE8ISO8859P1 |
| Spanish (Mexico) | es_MX.ISO-8859-15 | MEXICAN SPANISH_MEXICO.WE8ISO8859P15 |
| Portuguese (Brazilian) | pt_BR.UTF-8 | BRAZILIAN PORTUGUESE_BRAZIL.AL32UTF8 |
| Portuguese (Brazilian) | pt_BR.ISO-8859-1 | BRAZILIAN PORTUGUESE_BRAZIL.WE8ISO8859P1 |
| Portuguese (Brazilian) | pt_BR.ISO-8859-15 | BRAZILIAN PORTUGUESE_BRAZIL.WE8ISO8859P15 |
| Japanese | ja_JP.EUC-JP | JAPANESE_JAPAN.JA16EUC |
| Japanese | ja_JP.UTF-8 | JAPANESE_JAPAN.AL32UTF8 |
| Korean | ko_KR.EUC-KR | KOREAN_KOREA.KO16KSC5601 |
| Korean | ko_KR.UTF-8 | KOREAN_KOREA.AL32UTF8 |
| Chinese (simplified) | zh_CN.GB18030 | SIMPLIFIED CHINESE_CHINA.ZHS32GB18030 |
| Chinese (simplified) | zh_CN.UTF-8 | SIMPLIFIED CHINESE_CHINA.AL32UTF8 |
| Chinese (traditional) | zh_TW.BIG5 | TRADITIONAL CHINESE_TAIWAN.ZHT16BIG5 |
| Chinese (traditional) | zh_TW.UTF-8 | TRADITIONAL CHINESE_TAIWAN |
