HTML特殊字符转义对照表

特殊字符转义表

字符 十进制 转义字符
" " "
& & &
< &#60; &lt;
> &#62; &gt;
不断开空格(non-breaking space) &#160; &nbsp;

最常用的转义字符列表

显示 说明 实体名称 十进制编号
半方大的空白 &ensp; &#8194;
全方大的空白 &emsp; &#8195;
不断行的空白格 &nbsp; &#160;
< 小于 &lt; &#60;
> 大于 &gt; &#62;
& &符号 &amp; &#38;
" 双引号 &quot; &#34;
© 版权 &copy; &#169;
® 已注册商标 &reg; &#174;
商标(美国) &trade; &#8482;
× 乘号 &times; &#215;
÷ 除号 &divide; &#247;

ISO 8859-1 (Latin-1)字符集

显示 名称 十进制 显示 名称 十进制
  &nbsp; &#160; ¡ &iexcl; &#161;
¢ &cent; &#162; £ &pound; &#163;
¤ &curren; &#164; ¥ &yen; &#165;
¦ &brvbar; &#166; § &sect; &#167;
¨ &uml; &#168; © &copy; &#169;
ª &ordf; &#170; « &laquo; &#171;
¬ &not; &#172; &shy; &#173;
® &reg; &#174; ¯ &macr; &#175;
° &deg; &#176; ± &plusmn; &#177;
² &sup2; &#178; ³ &sup3; &#179;
´ &acute; &#180; µ &micro; &#181;
&para; &#182; · &middot; &#183;
¸ &cedil; &#184; ¹ &sup1; &#185;
º &ordm; &#186; » &raquo; &#187;
¼ &frac14; &#188; ½ &frac12; &#189;
¾ &frac34; &#190; ¿ &iquest; &#191;
À &Agrave; &#192; Á &Aacute; &#193;
 &Acirc; &#194; à &Atilde; &#195;
Ä &Auml; &#196; Å &Aring; &#197;
Æ &AElig; &#198; Ç &Ccedil; &#199;
È &Egrave; &#200; É &Eacute; &#201;
Ê &Ecirc; &#202; Ë &Euml; &#203;
Ì &Igrave; &#204; Í &Iacute; &#205;
Î &Icirc; &#206; Ï &Iuml; &#207;
Ð &ETH; &#208; Ñ &Ntilde; &#209;
Ò &Ograve; &#210; Ó &Oacute; &#211;
Ô &Ocirc; &#212; Õ &Otilde; &#213;
Ö &Ouml; &#214; × &times; &#215;
Ø &Oslash; &#216; Ù &Ugrave; &#217;
Ú &Uacute; &#218; Û &Ucirc; &#219;
Ü &Uuml; &#220; Ý &Yacute; &#221;
Þ &THORN; &#222; ß &szlig; &#223;
à &agrave; &#224; á &aacute; &#225;
â &acirc; &#226; ã &atilde; &#227;
ä &auml; &#228; å &aring; &#229;
æ &aelig; &#230; ç &ccedil; &#231;
è &egrave; &#232; é &eacute; &#233;
ê &ecirc; &#234; ë &euml; &#235;
ì &igrave; &#236; í &iacute; &#237;
î &icirc; &#238; ï &iuml; &#239;
ð &eth; &#240; ñ &ntilde; &#241;
ò &ograve; &#242; ó &oacute; &#243;
ô &ocirc; &#244; õ &otilde; &#245;
ö &ouml; &#246; ÷ &divide; &#247;
ø &oslash; &#248; ù &ugrave; &#249;
ú &uacute; &#250; û &ucirc; &#251;
ü &uuml; &#252; ý &yacute; &#253;
þ &thorn; &#254; ÿ &yuml; &#255;

符号、数学符号和希腊字母  symbols, mathematical symbols, and Greek letters

显示 名称 编号 显示 名称 编号
ƒ &fnof; &#402; Α &Alpha; &#913;
Β &Beta; &#914; Γ &Gamma; &#915;
Δ &Delta; &#916; Ε &Epsilon; &#917;
Ζ &Zeta; &#918; Η &Eta; &#919;
Θ &Theta; &#920; Ι &Iota; &#921;
Κ &Kappa; &#922; Λ &Lambda; &#923;
Μ &Mu; &#924; Ν &Nu; &#925;
Ξ &Xi; &#926; Ξ &Xi; &#926;
Ο &Omicron; &#927; Π &Pi; &#928;
Ρ &Rho; &#929; Σ &Sigma; &#931;
Τ &Tau; &#932; Υ &Upsilon; &#933;
Φ &Phi; &#934; Χ &Chi; &#935;
Ψ &Psi; &#936; Ω &Omega; &#937;
α &alpha; &#945; β &beta; &#946;
γ &gamma; &#947; δ &delta; &#948;
ε &epsilon; &#949; ζ &zeta; &#950;
η &eta; &#951; θ &theta; &#952;
ι &iota; &#953; κ &kappa; &#954;
λ &lambda; &#955; μ &mu; &#956;
ν &nu; &#957; ξ &xi; &#958;
ο &omicron; &#959; π &pi; &#960;
ρ &rho; &#961; ς &sigmaf; &#962;
σ &sigma; &#963; τ &tau; &#964;
υ &upsilon; &#965; φ &phi; &#966;
χ &chi; &#967; ψ &psi; &#968;
ω &omega; &#969; ? &thetasym; &#977;
? &upsih; &#978; ? &piv; &#982;
&bull; &#8226; &hellip; &#8230;
&prime; &#8242; &Prime; &#8243;
&oline; &#8254; &frasl; &#8260;
&weierp; &#8472; &image; &#8465;
&real; &#8476; &trade; &#8482;
&alefsym; &#8501; &larr; &#8592;
&uarr; &#8593; &rarr; &#8594;
&darr; &#8595; &harr; &#8596;
&crarr; &#8629; &lArr; &#8656;
&uArr; &#8657; &rArr; &#8658;
&dArr; &#8659; &hArr; &#8660;
&forall; &#8704; &part; &#8706;
&exist; &#8707; &empty; &#8709;
&nabla; &#8711; &isin; &#8712;
&notin; &#8713; &ni; &#8715;
&prod; &#8719; &sum; &#8721;
&minus; &#8722; &lowast; &#8727;
&radic; &#8730; &prop; &#8733;
&infin; &#8734; &ang; &#8736;
&and; &#8743; &or; &#8744;
&cap; &#8745; &cup; &#8746;
&int; &#8747; &there4; &#8756;
&sim; &#8764; &cong; &#8773;
&asymp; &#8776; &ne; &#8800;
&equiv; &#8801; &le; &#8804;
&ge; &#8805; &sub; &#8834;
&sup; &#8835; &nsub; &#8836;
&sube; &#8838; &supe; &#8839;
&oplus; &#8853; &otimes; &#8855;
&perp; &#8869; &sdot; &#8901;
? &lceil; &#8968; ? &rceil; &#8969;
? &lfloor; &#8970; ? &rfloor; &#8971;
? &lang; &#9001; ? &rang; &#9002;
&loz; &#9674; &spades; &#9824;
&clubs; &#9827; &hearts; &#9829;
&diams; &#9830;

重要的国际标记 markup-significant and internationalization characters

显示 名称 编号 显示 名称 编号
" &quot; &#34; & &amp; &#38;
< &lt; &#60; > &gt; &#62;
Œ &OElig; &#338; œ &oelig; &#339;
Š &Scaron; &#352; š &scaron; &#353;
Ÿ &Yuml; &#376; ˆ &circ; &#710;
˜ &tilde; &#732; &ensp; &#8194;
&emsp; &#8195; &thinsp; &#8201;
&zwnj; &#8204; ‍‍ &zwj; &#8205;
‎‎ &lrm; &#8206; ‏‏ &rlm; &#8207;
&ndash; &#8211; &mdash; &#8212;
&lsquo; &#8216; &rsquo; &#8217;
&sbquo; &#8218; &ldquo; &#8220;
&rdquo; &#8221; &bdquo; &#8222;
&dagger; &#8224; &Dagger; &#8225;
&permil; &#8240; &lsaquo; &#8249;
&rsaquo; &#8250; &euro; &#8364;
为什么要用转义字符串?

HTML中<,>,&等有特殊含义(<,>,用于链接签,&用于转义),不能直接使用。这些符号是不显示在我们最终看到的网页里的,那如果我们希望在网页中显示这些符号,该怎么办呢?

这就要说到HTML转义字符串(Escape Sequence)了。

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。

转义字符串的组成

转义字符串(Escape Sequence),即字符实体(Character Entity)分成三部分:第一部分是一个&符号,英文叫ampersand;第二部分是实体(Entity)名字或者是#加上实体(Entity)编号;第三部分是一个分号。

比如,要显示小于号(<),就可以写 &lt; 或者 &#60; 。

用实体(Entity)名字的好处是比较好理解,一看lt,大概就猜出是less than的意思,但是其劣势在于并不是所有的浏览器都支持最新的Entity名字。而实体(Entity)编号,各种浏览器都能处理。

提示:实体名称(Entity)是区分大小写的。

备注:同一个符号,可以用“实体名称”和“实体编号”两种方式引用,“实体名称”的优势在于便于记忆,但不能保证所有的浏览器都能顺利识别它,而“实体编号”则没有这种担忧,但它实在不方便记忆。

如何显示空格?

通常情况下,HTML会自动截去多余的空格。不管你加多少空格,都被看做一个空格。比如你在两个字之间加了10个空格,HTML会截去9个空格,只保留一个。为了在网页中增加空格,你可以使用&nbsp;表示空格。