UTF-8 문서 원본 보기

==개요==
;UCS Transformation Format—8-bit; UTF-8; utf8
*유니코드 문자인코딩 방식 중 하나
*가변길이 인코딩
:문자 1개를 나타내기 위해 1~4바이트 사용

<syntaxhighlight lang='console'>
mysql> SELECT * FROM information_schema.CHARACTER_SETS WHERE CHARACTER_SET_NAME='utf8';
+--------------------+----------------------+---------------+--------+
| CHARACTER_SET_NAME | DEFAULT_COLLATE_NAME | DESCRIPTION   | MAXLEN |
+--------------------+----------------------+---------------+--------+
| utf8               | utf8_general_ci      | UTF-8 Unicode |      3 |
+--------------------+----------------------+---------------+--------+
1 row in set (0.00 sec)
</syntaxhighlight>
:→ UTF-8은 최대 4바이트까지라는데, MySQL에서 MAXLEN은 3이다...??<ref>4바이트 짜리는 거의 수요가 없어서 무시한듯??</ref>

==주요 영역==
{{참고|UTF-8 한글}}
*한글 자모: 1100 ~11FF
*한글 (가 ~ 힣): AC00 ~ D7A3

==예시==
{| class="wikitable" style="font-weight: bold"
!colspan=2|문자
! Binary code point
! 2진수
! 16진수
|-
|$ || <code>U+0024</code>
|align=right|<code>{{fontcolor|red|0100100}}</code>
|align=right|<code>0{{fontcolor|red|0100100}}</code>
|align=right|<code>{{fontcolor|red|24}}</code>
|-
|¢ || <code>U+00A2</code>
|align=right|<code>{{fontcolor|green|00010}}{{fontcolor|red|100010}}</code>
|align=right|<code>110{{fontcolor|green|00010}} 10{{fontcolor|red|100010}}</code>
|align=right|<code>{{fontcolor|green|C2}} {{fontcolor|red|A2}}</code>
|-
|€ || <code>U+20AC</code>
|align=right|<code>{{fontcolor|blue|0010}}{{fontcolor|green|000010}}{{fontcolor|red|101100}}</code>
|align=right|<code>1110{{fontcolor|blue|0010}} 10{{fontcolor|green|000010}} 10{{fontcolor|red|101100}}</code>
|align=right|<code>{{fontcolor|blue|E2}} {{fontcolor|green|82}} {{fontcolor|red|AC}}</code>
|-
|𤭢 || <code>U+24B62</code>
|align=right|<code>{{fontcolor|#C000C0|000}}{{fontcolor|blue|100100}}{{fontcolor|green|101101}}{{fontcolor|red|100010}}</code>
|align=right|<code>11110{{fontcolor|#C000C0|000}} 10{{fontcolor|blue|100100}} 10{{fontcolor|green|101101}} 10{{fontcolor|red|100010}}</code>
|align=right|<code>{{fontcolor|#C000C0|F0}} {{fontcolor|blue|A4}} {{fontcolor|green|AD}} {{fontcolor|red|A2}}</code>
|}

==같이 보기==
*[[EUC-KR]]
*[[UTF-16]]
*[[UTF-8 한글]]
*[[아스키 코드]]
*[[PHP utf2euc, euc2utf]]
*[[BOM]]

==참고==
*http://en.wikipedia.org/wiki/UTF-8
*http://ko.wikipedia.org/wiki/유니코드_범위_목록
*http://www.utf8-chartable.de/

[[분류: UTF-8]]