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外观

半角及全角字符 Halfwidth and Fullwidth Forms | |
---|---|
范围 | U+FF00..U+FFEF (240个码位) |
平面 | 基本多文种平面(BMP) |
文字 | 谚文(52 个字符) 片假名(55 个字符) 拉丁文字(52 个字符) 普通(66 char.) |
符号系列 | 异体宽度字符 |
已分配 | 225个码位 |
未分配 | 15个保留码位 |
统一码版本历史 | |
1.0.0 | 216 (+216) |
1.0.1 | 223 (+7) |
3.2 | 225 (+2) |
相关区块 | |
码表链接?∣?网页链接 | |
注释:[1][2][3] |
半角及全角字符是 Unicode 基本多文种平面内的最后第二个区块,范围包括 U+FF00..U+FFEF。本区块包含全角和半角字符以便可以无损从旧编码系统转换至 Unicode。该区块于 Unicode 1.0 的旧称为 半角及全角变体(Halfwidth and Fullwidth Variants)。[4]
U+FF01..U+FF5E 编码了 ASCII 内 21 至 7E 的全角版本。U+FF00 未对应 ASCII 20 (空格)字符,该字符已经由 U+3000 IDEOGRAPHIC SPACE 表意空格取代。
U+FF65..U+FF9F 编码了JIS X 0201 内的半角片假名——参见半角假名。
U+FFA0..U+FFDC 编码了谚文KS C 5601 1974年版的谚文兼容字母。其对应的字符用于 IBM 的韩文编码页 933,其中包括 Shift In 和 Shift Out 的字符以对应双字节编码。[5]基于双字节编码可能包括兼容字母,本区块包含了部分半角变体以便可以无损从 KS C 5601 转码至 Unicode。[6][7]
U+FFE0..U+FFEE 编码了全角及半角符号。
码表
[编辑]半角及全角字符 Halfwidth and Fullwidth Forms[1][2] Unicode 联盟官方码表(PDF) | ||||||||||||||||
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F | |
U+FF0x | ! | " | # | $ | % | & | ' | ( | ) | * | + | , | - | . | / | |
U+FF1x | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | : | ; | < | = | > | ? |
U+FF2x | @ | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O |
U+FF3x | P | Q | R | S | T | U | V | W | X | Y | Z | [ | \ | ] | ^ | _ |
U+FF4x | ` | a | b | c | d | e | f | g | h | i | j | k | l | m | n | o |
U+FF5x | p | q | r | s | t | u | v | w | x | y | z | { | | | } | ~ | ? |
U+FF6x | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
U+FF7x | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
U+FF8x | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
U+FF9x | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
U+FFAx | HW HF |
? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? |
U+FFBx | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | |
U+FFCx | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ? | ||||
U+FFDx | ? | ? | ? | ? | ? | ? | ? | ? | ? | |||||||
U+FFEx | ¢ | £ | ¬ |  ̄ | ¦ | ¥ | ? | ? | ? | ? | ? | ? | ? | ? | ||
注解 |
异体字选择器
[编辑]本区块包含部分标点位置的异体字选择器,[8][9] 其中使用了 U+FE00 ? VARIATION SELECTOR-1 (VS01) 及 U+FE01 ? VARIATION SELECTOR-2 (VS02):
U+ | FF01 | FF0C | FF0E | FF1A | FF1B | FF1F | 位置 |
基本字符 | ! | , | . | : | ; | ? | |
基本字符 + VS01 | !? | ,? | .? | :? | ;? | ?? | 左下角 |
基本字符 + VS02 | !? | ,? | .? | :? | ;? | ?? | 置中 |
该规范也定义了 U+FF10 0 全宽数字〇另加短斜线:U+FE00 VS1(0?)。[10][9]
历史
[编辑]以下的Unicode相关文件记录了本区域中出现之字符的提议及定稿。
Unicode 版本 |
最终码位[a] | 码位数 | L2 ID | WG2 ID | 文档 |
---|---|---|---|---|---|
1.0.0 | U+FF01..FF5E, FF61..FFBE, FFC2..FFC7, FFCA..FFCF, FFD2..FFD7, FFDA..FFDC, FFE0..FFE6 | 216 | (to be determined) | ||
N4403 (pdf, doc (页面存档备份,存于互联网档案馆)) | Umamaheswaran, V. S., Resolution M61.01, Unconfirmed minutes of WG 2 meeting 61, Holiday Inn, Vilnius, Lithuania; 2025-08-06/14, 2025-08-06 | ||||
L2/17-056 | Lunde, Ken, Proposal to add standardized variation sequences, 2025-08-06 | ||||
L2/17-436 | Lunde, Ken, Proposal to add standardized variation sequences for fullwidth East Asian punctuation, 2025-08-06 | ||||
L2/18-039 | Anderson, Deborah; Whistler, Ken; Pournader, Roozbeh; Moore, Lisa; Liang, Hai; Cook, Richard, 24. Fullwidth East Asian Punctuation, Recommendations to UTC #154 January 2018 on Script Proposals, 2025-08-06 | ||||
L2/17-362 | Moore, Lisa, B.4.1 New Proposal to add standardized variation sequence for U+FF10 FULL WIDTH DIGIT ZERO, UTC #153 Minutes, 2025-08-06 | ||||
L2/18-115 | Moore, Lisa, Consensus 154-C17, UTC #155 Minutes, 2025-08-06, Add 16 standardized variation sequences based on L2/17-436R, for Unicode 12.0. | ||||
L2/19-055 | Iancu, Lauren?iu, Proposed Changes in the Segmentation Property Values for Fullwidth Digits, 2025-08-06 | ||||
L2/19-008 | Moore, Lisa, B.11.11.1.2 Proposed changes in the segmentation property values for fullwidth digits, UTC #158 Minutes, 2025-08-06 | ||||
1.0.1 | U+FFE8..FFEE | 7 | (to be determined) | ||
3.2 | U+FF5F..FF60 | 2 | L2/99-052 | Freytag, Asmus, The math pieces from the symbol font, 2025-08-06 | |
L2/01-033 | Karlsson, Kent; Freytag, Asmus, Disunify braces/brackets for math, computing science, and Z notation from similar-looking CJK braces/brackets, 2025-08-06 | ||||
L2/01-159 | N2344 (页面存档备份,存于互联网档案馆) | Ad-hoc report on Mathematical Symbols, 2025-08-06 | |||
L2/01-157 | N2345R (页面存档备份,存于互联网档案馆) | Karlsson, Kent, Proposal to disunify certain fencing CJK punctuation marks from similar-looking Math fences, 2025-08-06 | |||
L2/01-168 | Whistler, Ken, Bracket Disunification & Normalization Hell, 2025-08-06 | ||||
L2/01-012R | Moore, Lisa, Disunifying Braces and Brackets, Minutes UTC #86 in Mountain View, Jan 2001, 2025-08-06 | ||||
L2/01-223 | Suignard, Michel, Discussion of Issues Regarding Bracket Disunification, 2025-08-06 | ||||
L2/01-184R | Moore, Lisa, Motion 87-M21, Minutes from the UTC/L2 meeting, 2025-08-06, Reverse the decision made in motion 86-M6 not to disunify brackets. | ||||
L2/01-317 | Suignard, Michel, Bracket Disunification & Normalization, 2025-08-06 | ||||
L2/01-295R | Moore, Lisa, Bracket Disunification and Normalization, Minutes from the UTC/L2 meeting #88, 2025-08-06 | ||||
L2/02-154 | N2403 (页面存档备份,存于互联网档案馆) | Umamaheswaran, V. S., Resolution M41.1, Draft minutes of WG 2 meeting 41, Hotel Phoenix, Singapore, 2025-08-06/19, 2025-08-06 | |||
|
另见
[编辑]- 全角和半角
- 中日韩符号和标点
- 谚文字母
- 片假名 (Unicode区段)
- Unicode中的拉丁字母
- 带圈字母和数字 (Unicode区段) —— 部分字符可能在不同字体内显示为全角(例如 ⒈,?,⑴,?,?)
参见
[编辑]- ^ Unicode 1.0.1 Addendum (PDF). The Unicode Standard. 2025-08-06 [2025-08-06]. (原始内容存档 (PDF)于2025-08-06).
- ^ Unicode character database. The Unicode Standard. [2025-08-06]. (原始内容存档于2025-08-06).
- ^ Enumerated Versions of The Unicode Standard. The Unicode Standard. [2025-08-06]. (原始内容存档于2025-08-06).
- ^ 3.8: Block-by-Block Charts (PDF). The Unicode Standard. version 1.0. Unicode Consortium. [2025-08-06]. (原始内容存档 (PDF)于2025-08-06).
- ^ ICU Demonstration - Converter Explorer. demo.icu-project.org. [7 May 2018].
- ^ 存档副本. [2025-08-06]. (原始内容存档于2025-08-06).
- ^ 存档副本. [2025-08-06]. (原始内容存档于2025-08-06).
- ^ Lunde, Ken. L2/17-436: Proposal to add standardized variation sequences for fullwidth East Asian punctuation (PDF). 2025-08-06 [2025-08-06]. (原始内容存档 (PDF)于2025-08-06).
- ^ 9.0 9.1 Unicode Character Database: Standardized Variation Sequences. The Unicode Consortium. [2025-08-06]. (原始内容存档于2025-08-06).
- ^ Beeton, Barbara; Freytag, Asmus; Iancu, Lauren?iu; Sargent, Murray. L2/15-268: Proposal to Represent the Slashed Zero Variant of Empty Set (PDF). 2025-08-06 [2025-08-06]. (原始内容存档 (PDF)于2025-08-06).