HTML转义字符⼤全（转）1.常⽤转义字符转义字符串(Escape Sequence)也称字符实体(Character Entity)。
在HTML中，定义转义字符串的原因有两个：第⼀个原因是像“<”和“>”这类符号已经⽤来表⽰HTML标签，因此就不能直接当作⽂本中的符号来使⽤。
为了在HTML⽂档中使⽤这些符号，就需要定义它的转义字符串。
当解释程序遇到这类字符串时就把它解释为真实的字符。
在输⼊转义字符串时，要严格遵守字母⼤⼩写的规则。
第⼆个原因是，有些字符在ASCII字符集中没有定义，因此需要使⽤转义字符串来表⽰。
表18-3是其中的⼏个转义字符串。
表18-3 特殊字符字符⼗进制转义字符"""&&&<<<>>>不断开空格(non-breaking space) 表18-4 其他字符字符⼗进制转义字符字符⼗进制转义字符字符⼗进制转义字符?¡¡ÁÁÁááá￠¢¢Âˆâââ￡££ÃÃÃãã㤤¤ÄÄÄäää￥¥¥ÅÅ˚ååå|¦¦ÆÆÆææ槧§ÇÇÇçç稨¨ÈÈÈèèè©©©ÉÉÉéééaªªÊÊÊêêê?««ËËËëëë?¬¬ÌÌÌììì\x7f­ÍÍÍííí®®®ÎÎÎîî¯ÏÏÏïïï°°°ÐÐÐðð&ieth;±±±ÑÑÑñññ2²²ÒÒÒòòò3³³ÓÓÓóóó′´´ÔÔÔôôôµµµÕÕÕõõõ?¶¶ÖÖÖööö···×××÷÷÷?¸¸ØØØøøø1¹¹ÙÙÙùùùoººÚÚÚúúú?»»ÛÛÛûûû?¾¾ÞÞÞþþþ ?¿¿ßßßÿÿÿÀÀÀààà 2.所有转义字符ISO Latin-1字符集:	 — 制表符Horizontal tab — 换⾏Line feed — 回车Carriage Return  — Space! ! — 惊叹号Exclamation mark” " " 双引号Quotation mark# # — 数字标志Number sign$ $ — 美元标志Dollar sign% % — 百分号Percent sign& & & Ampersand‘ ' — 单引号Apostrophe( ( — ⼩括号左边部分Left parenthesis) ) — ⼩括号右边部分Right parenthesis* * — 星号Asterisk+ + — 加号Plus sign, , — 逗号Comma- - — 连字号Hyphen. . — 句号Period (fullstop)/ / — 斜杠Solidus (slash)0 0 — 数字0 Digit 01 1 — 数字1 Digit 12 2 — 数字2 Digit 23 3 — 数字3 Digit 34 4 — 数字4 Digit 45 5 — 数字5 Digit 56 6 — 数字6 Digit 67 7 — 数字7 Digit 78 8 — 数字8 Digit 89 9 — 数字9 Digit 9: : — 冒号Colon; ; — 分号Semicolon< < < ⼩于号Less than= = — 等于符号Equals sign> > > ⼤于号Greater than? ? — 问号Question mark@ @ — Commercial atA A — ⼤写A Capital AB B — ⼤写B Capital BC C — ⼤写C Capital CD D — ⼤写D Capital DE E — ⼤写E Capital EF F — ⼤写F Capital FG G — ⼤写G Capital GH H — ⼤写H Capital HI I — ⼤写J Capital IJ J — ⼤写K Capital JK K — ⼤写L Capital KL L — ⼤写K Capital LM M — ⼤写M Capital MN N — ⼤写N Capital NO O — ⼤写O Capital OP P — ⼤写P Capital PQ Q — ⼤写Q Capital QR R — ⼤写R Capital RS S — ⼤写S Capital SX X — ⼤写X Capital XY Y — ⼤写Y Capital YZ Z — ⼤写Z Capital Z[ [ --- 中括号左边部分Left square bracket\ \ --- 反斜杠Reverse solidus (backslash)] ] — 中括号右边部分Right square bracket^ ^ — Caret_ _ — 下划线Horizontal bar (underscore)` ` — 尖重⾳符Acute accenta a — ⼩写a Small ab b — ⼩写b Small bc c — ⼩写c Small cd d — ⼩写d Small de e — ⼩写e Small ef f — ⼩写f Small fg g — ⼩写g Small gh h — ⼩写h Small hi i — ⼩写i Small ij j — ⼩写j Small jk k — ⼩写k Small kl l — ⼩写l Small lm m — ⼩写m Small mn n — ⼩写n Small no o — ⼩写o Small op p — ⼩写p Small pq q — ⼩写q Small qr r — ⼩写r Small rs s — ⼩写s Small st t — ⼩写t Small tu u — ⼩写u Small uv v — ⼩写v Small vw w — ⼩写w Small wx x — ⼩写x Small xy y — ⼩写y Small yz z — ⼩写z Small z{ { — ⼤括号左边部分Left curly brace| | — 竖线Vertical bar} } — ⼤括号右边部分Right curly brace~ ~ — Tilde—  — 未使⽤Unused  空格Nonbreaking space? ¡ ¡ Inverted exclamation￠ ¢ ¢ 货币分标志Cent sign￡ £ £ 英镑标志Pound sterling¤ ¤ ¤ 通⽤货币标志General currency sign ￥ ¥ ¥ ⽇元标志Yen sign| ¦ ¦ or &brkbar; 断竖线Broken vertical bar § § § 分节号Section sign¨ ¨ ¨ or ¨ 变⾳符号Umlaut? © © 版权标志Copyrighta ª ª Feminine ordinal? « « Left angle quote, guillemet left? ¬ ¬ Not sign? ­ ­ Soft hyphen? ® ® 注册商标标志Registered trademark¯ ¯ ¯ or &hibar; 长⾳符号Macron accent° ° ° 度数标志Degree sign± ± ± 加或减Plus or minus2 ² ² 上标2 Superscrīpt two3 ³ ³ 上标3 Superscrīpt three′ ´ ´ 尖重⾳符Acute accentµ µ µ Micro sign? ¶ ¶ Paragraph sign? · · Middle dot? ¼ ¼ 四分之⼀Fraction one-fourth ? ½ ½ ⼆分之⼀Fraction one-half? ¾ ¾ 四分之三Fraction three-fourths ? ¿ ¿ Inverted question markà À À Capital A, grave accentá Á Á Capital A, acute accent?   Capital A, circumflex? à à Capital A, tilde? Ä Ä Capital A, di?esis / umlaut? Å Å Capital A, ring? Æ Æ Capital AE ligature? Ç Ç Capital C, cedillaè È È Capital E, grave accenté É É Capital E, acute accentê Ê Ê Capital E, circumflex? Ë Ë Capital E, di?esis / umlautì Ì Ì Capital I, grave accentí Í Í Capital I, acute accent? Î Î Capital I, circumflex? Ï Ï Capital I, di?esis / umlautD Ð Ð Capital Eth, Icelandic? Ñ Ñ Capital N, tildeò Ò Ò Capital O, grave accentó Ó Ó Capital O, acute accent? Ô Ô Capital O, circumflex? Õ Õ Capital O, tilde? Ö Ö Capital O, di?esis / umlaut× × × 乘号Multiply sign? Ø Ø Capital O, slashù Ù Ù Capital U, grave accentú Ú Ú Capital U, acute accent? 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