HTML4 实体

  • 定义和使用

    下表中的所有实体都将在 HTML4 和 HTML5 页面的所有浏览器中正确显示。
    有关完整的HTML5实体参考,请转到下一章。
    字符 实体 十进制 十六进制 描述
    & & & & & 符号(ampersand)
    < &lt; &#60; &#x3C; 小于号(less than)
    > &gt; &#62; &#x3E; 大于号(greater than)
      &nbsp; &#160; &#xA0; 不换行空格(no-break space = non-breaking space)
    ¡ &iexcl; &#161; &#xA1; 倒置感叹号(inverted exclamation mark)
    ¢ &cent; &#162; &#xA2; 美分符号(cent sign)
    £ &pound; &#163; &#xA3; 英镑符号(pound sign)
    ¤ &curren; &#164; &#xA4; 货币符号(currency sign)
    ¥ &yen; &#165; &#xA5; 日元符号(yen sign = yuan sign)
    ¦ &brvbar; &#166; &#xA6; 间断的竖杠(broken bar = broken vertical bar)
    § &sect; &#167; &#xA7; 小节号(section sign)
    ¨ &uml; &#168; &#xA8; 分音符号(diaeresis = spacing diaeresis)
    © &copy; &#169; &#xA9; 版权所有(copyright sign)
    ª &ordf; &#170; &#xAA; 阴性序数记号(feminine ordinal indicator)
    « &laquo; &#171; &#xAB; 左双角引号(left-pointing double angle quotation mark = left pointing guillemet)
    ¬ &not; &#172; &#xAC; 否定符号(not sign)
    ­ &shy; &#173; &#xAD; 软连字符 = 自由选定连字符(soft hyphen = discretionary hyphen)
    ® &reg; &#174; &#xAE; 注册商标(registered sign = registered trade mark sign)
    ¯ &macr; &#175; &#xAF; 长音符号(macron = spacing macron = overline = APL overbar)
    ° &deg; &#176; &#xB0; 度符号(degree sign)
    ± &plusmn; &#177; &#xB1; 加减号/正负号(plus-minus sign = plus-or-minus sign)
    ² &sup2; &#178; &#xB2; 上标 2(superscript two = superscript digit two = squared)
    ³ &sup3; &#179; &#xB3; 上标 3(superscript three = superscript digit three = cubed)
    ´ &acute; &#180; &#xB4; 尖音符号(acute accent = spacing acute)
    µ &micro; &#181; &#xB5; 微米符号(micro sign)
    &para; &#182; &#xB6; 段落符号(pilcrow sign = paragraph sign)
    · &middot; &#183; &#xB7; 中间点(middle dot = Georgian comma = Greek middle dot)
    ¸ &cedil; &#184; &#xB8; 变音符号(cedilla = spacing cedilla)
    ¹ &sup1; &#185; &#xB9; 上标 1(superscript one = superscript digit one)
    º &ordm; &#186; &#xBA; 阳性序数记号((masculine ordinal indicator)
    » &raquo; &#187; &#xBB; 右双角引号(right-pointing double angle quotation mark = right pointing guillemet)
    ¼ &frac14; &#188; &#xBC; 1/4 分数(vulgar fraction one quarter = fraction one quarter)
    ½ &frac12; &#189; &#xBD; 1/2 分数(vulgar fraction one half = fraction one half)
    ¾ &frac34; &#190; &#xBE; 3/4 分数(vulgar fraction three quarters = fraction three quarters)
    ¿ &iquest; &#191; &#xBF; 倒置问号(inverted question mark = turned question mark)
    À &Agrave; &#192; &#xC0; 带有重音符号的拉丁文大写字母 A(latin capital letter A with grave = latin capital letter A grave)
    Á &Aacute; &#193; &#xC1; 带有尖音符号的拉丁文大写字母 A(latin capital letter A with acute)
    Â &Acirc; &#194; &#xC2; 带有抑扬音符号的拉丁文大写字母 A(latin capital letter A with circumflex)
    Ã &Atilde; &#195; &#xC3; 带有波浪线的拉丁文大写字母 A(latin capital letter A with tilde)
    Ä &Auml; &#196; &#xC4; 带有分音符的拉丁文大写字母 A(latin capital letter A with diaeresis)
    Å &Aring; &#197; &#xC5; 带有上圆圈的拉丁文大写字母 A(latin capital letter A with ring above = latin capital letter A ring)
    Æ &AElig; &#198; &#xC6; 拉丁文大写字母 AE(latin capital letter AE = latin capital ligature AE)
    Ç &Ccedil; &#199; &#xC7; 带有变音符号的拉丁文大写字母 C(latin capital letter C with cedilla)
    È &Egrave; &#200; &#xC8; 带有重音符号的拉丁文大写字母 E(latin capital letter E with grave)
    É &Eacute; &#201; &#xC9; 带有尖音符号的拉丁文大写字母 E(latin capital letter E with acute)
    Ê &Ecirc; &#202; &#xCA; 带有抑扬符号的拉丁文大写字母 E(latin capital letter E with circumflex)
    Ë &Euml; &#203; &#xCB; 带有分音符的拉丁文大写字母 E(latin capital letter E with diaeresis)
    Ì &Igrave; &#204; &#xCC; 带有重音符号的拉丁文大写字母 I(latin capital letter I with grave)
    Í &Iacute; &#205; &#xCD; 带有尖音符号的拉丁文大写字母 I(latin capital letter I with acute)
    Î &Icirc; &#206; &#xCE; 带有抑扬音符号的拉丁文大写字母 I(latin capital letter I with circumflex)
    Ï &Iuml; &#207; &#xCF; 带有分音符的拉丁文大写字母 I(latin capital letter I with diaeresis)
    Ð &ETH; &#208; &#xD0; 拉丁文大写字母 ETH(latin capital letter ETH)
    Ñ &Ntilde; &#209; &#xD1; 带有波浪线的拉丁文大写字母 N(latin capital letter N with tilde)
    Ò &Ograve; &#210; &#xD2; 带有重音符号的拉丁文大写字母 O(latin capital letter O with grave)
    Ó &Oacute; &#211; &#xD3; 带有尖音符号的拉丁文大写字母 O(latin capital letter O with acute)
    Ô &Ocirc; &#212; &#xD4; 带有抑扬音符号的拉丁文大写字母 O(latin capital letter O with circumflex)
    Õ &Otilde; &#213; &#xD5; 带有波浪线的拉丁文大写字母 O(latin capital letter O with tilde)
    Ö &Ouml; &#214; &#xD6; 带有分音符的拉丁文大写字母 O(latin capital letter O with diaeresis)
    × &times; &#215; &#xD7; 乘号(multiplication sign)
    Ø &Oslash; &#216; &#xD8; 带有删除线的拉丁文大写字母 O(latin capital letter O with stroke = latin capital letter O slash)
    Ù &Ugrave; &#217; &#xD9; 带有重音符号的拉丁文大写字母 U(latin capital letter U with grave)
    Ú &Uacute; &#218; &#xDA; 带有尖音符号的拉丁文大写字母 U(latin capital letter U with acute)
    Û &Ucirc; &#219; &#xDB; 带有抑扬音符号的拉丁文大写字母 U(latin capital letter U with circumflex)
    Ü &Uuml; &#220; &#xDC; 带有分音符的拉丁文大写字母 U(latin capital letter U with diaeresis)
    Ý &Yacute; &#221; &#xDD; 带有尖音符号的拉丁文大写字母 Y(latin capital letter Y with acute)
    Þ &THORN; &#222; &#xDE; 拉丁文大写字母 THORN(latin capital letter THORN)
    ß &szlig; &#223; &#xDF; 拉丁文小写字母 sharp s(latin small letter sharp s = ess-zed)
    à &agrave; &#224; &#xE0; 带有重音符号的拉丁文小写字母 a(latin small letter a with grave = latin small letter a grave)
    á &aacute; &#225; &#xE1; 带有尖音符号的拉丁文小写字母 a(latin small letter a with acute)
    â &acirc; &#226; &#xE2; 带有抑扬音符号的拉丁文小写字母 a(latin small letter a with circumflex)
    ã &atilde; &#227; &#xE3; 带有波浪线的拉丁文小写字母 a(latin small letter a with tilde)
    ä &auml; &#228; &#xE4; 带有分音符的拉丁文小写字母 a(latin small letter a with diaeresis)
    å &aring; &#229; &#xE5; 带有上圆圈的拉丁文小写字母 a(latin small letter a with ring above = latin small letter a ring)
    æ &aelig; &#230; &#xE6; 拉丁文小写字母 ae(latin small letter ae = latin small ligature ae)
    ç &ccedil; &#231; &#xE7; 带有变音符号的拉丁文小写字母 c(latin small letter c with cedilla)
    è &egrave; &#232; &#xE8; 带有重音符号的拉丁文小写字母 e(latin small letter e with grave)
    é &eacute; &#233; &#xE9; 带有尖音符号的拉丁文小写字母 e(latin small letter e with acute)
    ê &ecirc; &#234; &#xEA; 带有抑扬音符号的拉丁文小写字母 e(latin small letter e with circumflex)
    ë &euml; &#235; &#xEB; 带有分音符的拉丁文小写字母 e(latin small letter e with diaeresis)
    ì &igrave; &#236; &#xEC; 带有重音符号的拉丁文小写字母 i(latin small letter i with grave)
    í &iacute; &#237; &#xED; 带有尖音符号的拉丁文小写字母 i(latin small letter i with acute)
    î &icirc; &#238; &#xEE; 带有抑扬音符号的拉丁文小写字母 i(latin small letter i with circumflex)
    ï &iuml; &#239; &#xEF; 带有分音符的拉丁文小写字母 i(latin small letter i with diaeresis)
    ð &eth; &#240; &#xF0; 拉丁文小写字母 eth(latin small letter eth)
    ñ &ntilde; &#241; &#xF1; 带有波浪线的拉丁文小写字母 n(latin small letter n with tilde)
    ò &ograve; &#242; &#xF2; 带有重音符号的拉丁文小写字母 o(latin small letter o with grave)
    ó &oacute; &#243; &#xF3; 带有尖音符号的拉丁文小写字母 o(latin small letter o with acute)
    ô &ocirc; &#244; &#xF4; 带有抑扬音符号的拉丁文小写字母 o(latin small letter o with circumflex)
    õ &otilde; &#245; &#xF5; 带有波浪线的拉丁文小写字母 o(latin small letter o with tilde)
    ö &ouml; &#246; &#xF6; 带有分音符的拉丁文小写字母 o(latin small letter o with diaeresis)
    ÷ &divide; &#247; &#xF7; 除号(division sign)
    ø &oslash; &#248; &#xF8; 带有删除线的拉丁文小写字母 o(latin small letter o with stroke = latin small letter o slash)
    ù &ugrave; &#249; &#xF9; 带有重音符号的拉丁文小写字母 u(latin small letter u with grave)
    ú &uacute; &#250; &#xFA; 带有尖音符号的拉丁文小写字母 u(latin small letter u with acute)
    û &ucirc; &#251; &#xFB; 带有抑扬音符号的拉丁文小写字母 u(latin small letter u with circumflex)
    ü &uuml; &#252; &#xFC; 带有分音符的拉丁文小写字母 u(latin small letter u with diaeresis)
    ý &yacute; &#253; &#xFD; 带有尖音符号的拉丁文小写字母 y(latin small letter y with acute)
    þ &thorn; &#254; &#xFE; 拉丁文小写字母 thorn(latin small letter thorn)
    ÿ &yuml; &#255; &#xFF; 带有分音符的拉丁文小写字母 y(latin small letter y with diaeresis)
    ƒ &fnof; &#402; &#x192; 带钩的拉丁文小写 f(latin small f with hook = function = florin)
    Α &Alpha; &#913; &#x391; 希腊大写字母 alpha
    Β &Beta; &#914; &#x392; 希腊大写字母 beta
    Γ &Gamma; &#915; &#x393; 希腊大写字母 gamma
    Δ &Delta; &#916; &#x394; 希腊大写字母 delta
    Ε &Epsilon; &#917; &#x395; 希腊大写字母 epsilon
    Ζ &Zeta; &#918; &#x396; 希腊大写字母 zeta
    Η &Eta; &#919; &#x397; 希腊大写字母 eta
    Θ &Theta; &#920; &#x398; 希腊大写字母 theta
    Ι &Iota; &#921; &#x399; 希腊大写字母 iota
    Κ &Kappa; &#922; &#x39A; 希腊大写字母 kappa
    Λ &Lambda; &#923; &#x39B; 希腊大写字母 lambda
    Μ &Mu; &#924; &#x39C; 希腊大写字母 mu
    Ν &Nu; &#925; &#x39D; 希腊大写字母 nu
    Ξ &Xi; &#926; &#x39E; 希腊大写字母 xi
    Ο &Omicron; &#927; &#x39F; 希腊大写字母 omicron
    Π &Pi; &#928; &#x3A0; 希腊大写字母 pi
    Ρ &Rho; &#929; &#x3A1; 希腊大写字母 rho
            未使用(not used)
    Σ &Sigma; &#931; &#x3A3; 希腊大写字母 sigma
    Τ &Tau; &#932; &#x3A4; 希腊大写字母 tau
    Υ &Upsilon; &#933; &#x3A5; 希腊大写字母 upsilon
    Φ &Phi; &#934; &#x3A6; 希腊大写字母 phi
    Χ &Chi; &#935; &#x3A7; 希腊大写字母 chi
    Ψ &Psi; &#936; &#x3A8; 希腊大写字母 psi
    Ω &Omega; &#937; &#x3A9; 希腊大写字母 omega
            未使用(not used)
    α &alpha; &#945; &#x3B1; 希腊小写字母 alpha
    β &beta; &#946; &#x3B2; 希腊小写字母 beta
    γ &gamma; &#947; &#x3B3; 希腊小写字母 gamma
    δ &delta; &#948; &#x3B4; 希腊小写字母 delta
    ε &epsilon; &#949; &#x3B5; 希腊小写字母 epsilon
    ζ &zeta; &#950; &#x3B6; 希腊小写字母 zeta
    η &eta; &#951; &#x3B7; 希腊小写字母 eta
    θ &theta; &#952; &#x3B8; 希腊小写字母 theta
    ι &iota; &#953; &#x3B9; 希腊小写字母 iota
    κ &kappa; &#954; &#x3BA; 希腊小写字母 kappa
    λ &lambda; &#955; &#x3BB; 希腊小写字母 lambda
    μ &mu; &#956; &#x3BC; 希腊小写字母 mu
    ν &nu; &#957; &#x3BD; 希腊小写字母 nu
    ξ &xi; &#958; &#x3BE; 希腊小写字母 xi
    ο &omicron; &#959; &#x3BF; 希腊小写字母 omicron
    π &pi; &#960; &#x3C0; 希腊小写字母 pi
    ρ &rho; &#961; &#x3C1; 希腊小写字母 rho
    ς &sigmaf; &#962; &#x3C2; 希腊小写字母 final sigma
    σ &sigma; &#963; &#x3C3; 希腊小写字母 sigma
    τ &tau; &#964; &#x3C4; 希腊小写字母 tau
    υ &upsilon; &#965; &#x3C5; 希腊小写字母 upsilon
    φ &phi; &#966; &#x3C6; 希腊小写字母 phi
    χ &chi; &#967; &#x3C7; 希腊小写字母 chi
    ψ &psi; &#968; &#x3C8; 希腊小写字母 psi
    ω &omega; &#969; &#x3C9; 希腊小写字母 omega
            未使用(not used)
    ϑ &thetasym; &#977; &#x3D1; 希腊小写字母 theta symbol
    ϒ &upsih; &#978; &#x3D2; 带有钩的希腊 upsilon 符号(Greek upsilon with hook symbol)
            未使用(not used)
    ϖ &piv; &#982; &#x3D6; 希腊 pi 符号(Greek pi symbol)
  • 特殊符号

    字符 实体 十进制 十六进制 描述
    &bull; &#8226; &#x2022; 着重号 = 黑色小圆点(bullet = black small circle)
    &hellip; &#8230; &#x2026; 水平省略号(horizontal ellipsis = three dot leader)
    &prime; &#8242; &#x2032; 素数 = 分钟 = 英尺(prime = minutes = feet)
    &Prime; &#8243; &#x2033; 双素数 = 秒 = 英寸(double prime = seconds = inches)
    &oline; &#8254; &#x203E; 上划线(overline = spacing overscore)
    &frasl; &#8260; &#x2044; 分数斜线(fraction slash)
    &weierp; &#8472; &#x2118; 脚本大写 P = 幂集(script capital P = power set = Weierstrass p)
    &image; &#8465; &#x2111; 黑体字大写 I = 虚部符号(blackletter capital I = imaginary part)
    &real; &#8476; &#x211C; 黑体字大写 R = 实部符号(blackletter capital R = real part symbol)
    &trade; &#8482; &#x2122; 商标(trade mark sign)
    &alefsym; &#8501; &#x2135; alef 符号 = 第一超限(alef symbol = first transfinite cardinal)
    &larr; &#8592; &#x2190; 向左的箭头(leftwards arrow)
    &uarr; &#8593; &#x2191; 向上的箭头(upwards arrow)
    &rarr; &#8594; &#x2192; 向右的箭头(rightwards arrow)
    &darr; &#8595; &#x2193; 向下的箭头(downwards arrow)
    &harr; &#8596; &#x2194; 向左和向右的箭头(left right arrow)
    &crarr; &#8629; &#x21B5; 带左转的向下箭头 = 回车(downwards arrow with corner leftwards = carriage return)
    &lArr; &#8656; &#x21D0; 向左的双箭头(leftwards double arrow)
    &uArr; &#8657; &#x21D1; 向上的双箭头(upwards double arrow)
    &rArr; &#8658; &#x21D2; 向右的双箭头(rightwards double arrow)
    &dArr; &#8659; &#x21D3; 向下的双箭头(downwards double arrow)
    &hArr; &#8660; &#x21D4; 向左和向右的双箭头(left right double arrow)
    &forall; &#8704; &#x2200; 所有(for all)
    &part; &#8706; &#x2202; 偏微分(partial differential)
    &exist; &#8707; &#x2203; 存在(there exists)
    &empty; &#8709; &#x2205; 空集 = 直径(empty set = null set = diameter)
    &nabla; &#8711; &#x2207; 倒三角 = 向后差分(nabla = backward difference)
    &isin; &#8712; &#x2208; 属于(element of)
    &notin; &#8713; &#x2209; 不属于(not an element of)
    &ni; &#8715; &#x220B; 包含的成员(contains as member)
    &prod; &#8719; &#x220F; 求积(n-ary product = product sign)
    &sum; &#8721; &#x2211; 求和(n-ary sumation)
    &minus; &#8722; &#x2212; 减号(minus sign)
    &lowast; &#8727; &#x2217; 星号运算符(asterisk operator)
    &radic; &#8730; &#x221A; 平方根 = 根号(square root = radical sign)
    &prop; &#8733; &#x221D; 成比例(proportional to)
    &infin; &#8734; &#x221E; 无穷(infinity)
    &ang; &#8736; &#x2220; 角(angle)
    &and; &#8743; &#x2227; 逻辑与(logical and = wedge)
    &or; &#8744; &#x2228; 逻辑或(logical or = vee)
    &cap; &#8745; &#x2229; 交集 = 帽(intersection = cap)
    &cup; &#8746; &#x222A; 并集 = 杯(union = cup)
    &int; &#8747; &#x222B; 积分(integral)
    &there4; &#8756; &#x2234; 所以(therefore)
    &sim; &#8764; &#x223C; 波浪运算符 = 相似(tilde operator = varies with = similar to)
    &cong; &#8773; &#x2245; 约等于(approximately equal to)
    &asymp; &#8776; &#x2248; 几乎等于 = 渐近(almost equal to = asymptotic to)
    &ne; &#8800; &#x2260; 不等于(not equal to)
    &equiv; &#8801; &#x2261; 恒等于(identical to)
    &le; &#8804; &#x2264; 小于或等于(less-than or equal to)
    &ge; &#8805; &#x2265; 大于或等于(greater-than or equal to)
    &sub; &#8834; &#x2282; 子集(subset of)
    &sup; &#8835; &#x2283; 超集(superset of)
    &nsub; &#8836; &#x2284; 非子集(not a subset of)
    &sube; &#8838; &#x2286; 子集或等于(subset of or equal to)
    &supe; &#8839; &#x2287; 超集或等于(superset of or equal to)
    &oplus; &#8853; &#x2295; 带圈的加号 = 直和(circled plus = direct sum)
    &otimes; &#8855; &#x2297; 带圈的乘号 = 矢量积(circled times = vector product)
    &perp; &#8869; &#x22A5; 向上的钉子 = 正交于 = 垂直(up tack = orthogonal to = perpendicular)
    &sdot; &#8901; &#x22C5; 点运算符(dot operator)
    &lceil; &#8968; &#x2308; 左天花板(left ceiling = APL upstile)
    &rceil; &#8969; &#x2309; 右天花板(right ceiling)
    &lfloor; &#8970; &#x230A; 左地板(left floor = APL downstile)
    &rfloor; &#8971; &#x230B; 右地板(right floor)
    &lang; &#9001; &#x2329; 向左的角括号(left-pointing angle bracket = bra)
    &rang; &#9002; &#x232A; 向右的角括号(right-pointing angle bracket = ket)
    &loz; &#9674; &#x25CA; 菱形(lozenge)
    &spades; &#9824; &#x2660; 黑桃(black spade suit)
    &clubs; &#9827; &#x2663; 黑梅花(black club suit = shamrock)
    &hearts; &#9829; &#x2665; 黑心(black heart suit = valentine)
    &diams; &#9830; &#x2666; 黑方块(black diamond suit)