Character.UnicodeBlock中cjk的说明

Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS : 4E00-9FBF:CJK 统一表意符号
Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS :F900-FAFF:CJK 兼容象形文字 Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A :3400-4DBF:CJK 统一表意符号扩展 A
CJK的意思是“Chinese,Japanese,Korea”的简写 ,实际上就是指中日韩三国的象形文字的Unicode编码
Character.UnicodeBlock.GENERAL_PUNCTUATION :2000-206F:常用标点 Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION :3000-303F:CJK 符号和标点 Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS :FF00-FFEF:半角及全角形式

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