网页(HTML)中的特殊字符

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网页(HTML)中的特殊字符

一般来说,在HTML中,一个特殊字符有两种表达方式,一种称作数字参考,一种称作实体参考。

所谓数字参考,就是用数字来表示文档中的特殊字符,通常由前缀“&#”,加上数值,再加上后缀“;”而组成,它可以采用如下两种方式。

&#D; 其中D是一个十进制数值

下面是一些特殊字符的数字参考示例:

© 对应于特殊字符“©”

® 对应于特殊字符“®”

所谓实体参考,实际上就是用有意义的名称来表示特殊字符,通常由前缀“&”,加上字符对应的名称,再加上后缀“;”而组成,其表达方式如下:

&name; 其中name是一个用于表示字符的名称,它是区分大小写的

例如,可以使用“©”来表示版权符号“©”,用“®”来表示注册商标符号“®”,很显然,这比数字要容易记忆得多。

遗憾的是,不是所有的浏览器都能够正确认出采用实体参考方式的特殊字符,但是它们都能够识别出采用数字参考方式的特殊字符,如果可能,对于一些特别不常见的字符,应该使用数字参考方式。

当然,对于那些常见的特殊字符,使用其实体参考方式是安全的,我们在实际应用中,只要记住这些常用特殊字符字符的实体参考就足够使用了。

以下列出了其中的大部分(从网上搜集而来):

字符

数字参考

实体参考

描述

" &#34; &quot; Quotation mark &  &#38; &amp; Ampersand < &#60; &lt; Less than > &#62; &gt; Greater than  (空白) &#160; &nbsp; Non-breaking space ¡ &#161; &iexcl; Inverted exclamation ¢ &#162; &cent; Cent sign £ &#163; &pound; Pound sterling ¤ &#164; &curren; General currency sign ¥ &#165; &yen; Yen sign ¦ &#166; &brvbar; broken vertical bar § &#167; &sect; Section sign ¨ &#168; &uml; Di&aelig;resis / umlaut © &#169; &copy; Copyright ª &#170; &ordf; Feminine ordinal « &#171; &laquo; Left angle quote ¬ &#172; &not; Not sign ­ &#173; &sny; Soft hyphen ® &#174; &reg; Registered trademark ¯ &#175; &macr; Macron accent ° &#176; &deg; Degree sign ± &#177; &plusmn; Plus or minus ² &#178; &sup2; Superscript two ³ &#179; &sup3; Superscript three ´ &#180; &acute; Acute accent µ &#181; &micro; Micro sign ¶ &#182; &para; Paragraph sign · &#183; &middot; Middle dot ¸ &#184; &cedil; Cedilla ¹ &#185; &supl; Superscript one º &#186; &ordm; Masculine ordinal » &#187; &raquo; Right angle quote ¼ &#188; &frac14; Fraction one quarter ½ &#199; &frac12; Fraction one half ¾ &#190; &frac34; Fraction three-quarters À &#192; &iquest; Inverted question mark À &#192; &Agrave; Capital A, grave accent Á &#193; &Aacute; Capital A, acute accent  &#194; &Acirc; Capital A, circumflex à &#195; &Atilde; Capital A, tilde Ä &#196; &Auml; di&aelig;resis / umlau Å &#197; &Aring; Capital A, ring Æ &#198; &AElig; Capital AE, ligature Ç &#199; &Ccedil; Capital C, cedilla È &#200; &Egrave; Capital E, grave accent É &#201; &Eacute; Capital E, acute accent Ê &#202; &Ecirc; Capital E, circumflex Ë &#203; &Euml; di&aelig;resis / umlau Ì &#204; &Igrave; Capital I, grave accent Í &#205; &Iacute; Capital I, acute accent Î &#206; &Icirc; Capital I, circumflex Ï &#207; &Imul; di&aelig;resis / umlau Ð &#208; &ETH; Capital ETH, Icelandic Ñ &#209; &Ntilde; Capital N, tilde Ò &#210; &Ograve; Capital O, grave accent Ó &#211; &Oacute; Capital O, acute accent Ô &#212; &Ocirc; Capital O, circumflex Õ &#213; &Otilde; Capital O, tilde Ö &#214; &Ouml; di&aelig;resis / umlau × &#215; &times; Multiplication sign Ø &#216; &Oslash; Capital O, slash Ù &#217; &Ugrave; Capital U, grave accent Ú &#218; &Uacute; Capital U, acute accent Û &#219; &Ucirc; Capital U, circumflex Ü &#220; &Uuml; di&aelig;resis / umlau Ý &#221; &Yacute; Capital Y, acute accent Þ &#222; &THORN; Capital Thorn,Icelandic, ß &#223; &szlig; German sz à &#224; &agrave; Small a, grave accent á &#225; &aacute; Small a, acute accent â &#226; &acirc; Small a, circumflex ã &#227; &atilde; Small a, tilde ä &#228; &auml; di&aelig;resis / umlau å &#229; &aring; Small a, ring æ &#230; &aelig; Small ae ligature ç &#231; &ccedil; Small c, cedilla è &#232; &egrave; Small e, grave accent é &#233; &eacute; Small e, acute accent ê &#234; &ecirc; Small e, circumflex ë &#235; &euml; di&aelig;resis / umlau ì &#236; &igrave; Small i, grave accent í &#237; &iacute; Small i, acute accent î &#238; &icirc; Small i, circumflex ï &#239; &iuml; di&aelig;resis / umlau ð &#240; &eth; Small eth, Icelandic ñ &#241; &ntilde; Small n, tilde ò &#242; &ograve; Small o, grave accent ó &#243; &oacute; Small o, acute accent ô &#244; &ocirc; Small o, circumflex õ &#245; &otilde; Small o, tilde ö &#246; &ouml; di&aelig;resis / umlau ÷ &#247; &divide; Division sign, ø &#248; &oslash; Small o, slash ù &#249; &ugrave; Small u, grave accent ú &#250; &uacute; Small u, acute accent û &#251; &ucirc; Small u, circumflex ü &#252; &uuml; di&aelig;resis / umlau ý &#253; &yacute; Small y, acute accetn þ &#254; &thorn; Small thorn, Icelandic ÿ &#255; &yuml; di&aelig;resis / umlaut
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