在HTML中很多的特殊符号无法打出来，但可以用相应的代码进行代替显示,百度收集了一下特殊符号对照表，提供了一些HTML特殊符号相应的代码（方便一下自己，到用的时候，就不用每次都百度了。。。）

最常用的字符实体

|----------|----------|-----------|----------| | 显示结果 | 描述 | 实体名称 | 实体编号 | | ￠ | 分 | &cent; | &#162; | | £ | 镑 | &pound; | &#163; | | ¥ | 元 | &yen; | &#165; | | § | 节 | &sect; | &#167; | | © | 版权 | &copy; | &#169; | | ® | 注册商标 | &reg; | &#174; | | × | 乘号 | &times; | &#215; | | ÷ | 除号 | &divide; | &#247; | | < | 小于号 | &lt; | &#60; | | > | 大于号 | &gt; | &#62; | | & | 和号 | &amp; | &#38; | | " | 引号 | &quot; | &#34; | | ' | 撇号 | ' (IE不支持) | &#39; | | | 空格（推荐使用） | &nbsp; | &#160; | | | 半角空格 | &ensp; | | | | 全角空格 | &emsp; | |

HTML特殊符号对照表

|----------|------------|-----------|----------|-------------|-----------| | 特殊符号 | 命名实体 | 十进制编码 | 特殊符号 | 命名实体 | 十进制编码 | | 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; | | 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; | ϑ | &thetasym; | &#977; | | ϒ | &upsih; | &#978; | ϖ | &piv; | &#982; | | • | &bull; | &#8226; | ... | ... | &#8230; | | ′ | &prime; | &#8242; | ″ | &Prime; | &#8243; | | ‾ | &oline; | &#8254; | ⁄ | &frasl; | &#8260; | | ℘ | &weierp; | &#8472; | ℑ | &image; | &#8465; | | ℜ | &real; | &#8476; | ™ | &trade; | &#8482; | | ℵ | &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; | &#8722; | | − | &minus; | &#8722; | ∗ | &lowast; | &#8727; | | √ | &radic; | &#8730; | ∝ | &prop; | &#8733; | | ∞ | &infin; | &#8734; | ∠ | &ang; | &#8736; | | ∧ | &and; | &#8869; | ∨ | &or; | &#8870; | | ∩ | &cap; | &#8745; | ∪ | &cup; | &#8746; | | ∫ | &int; | &#8747; | ∴ | &there4; | &#8756; | | ∼ | &sim; | &#8764; | ≅ | &cong; | &#8773; | | ≈ | &asymp; | &#8773; | ≠ | &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; | | ◊ | &loz; | &#9674; | ♠ | &spades; | &#9824; | | ♣ | &clubs; | &#9827; | ♥ | &hearts; | &#9829; | | ♦ | &diams; | &#9830; | | &nbsp; | &#160; | | ¡ | &iexcl; | &#161; | ¢ | &cent; | &#162; | | £ | &pound; | &#163; | ¤ | &curren; | &#164; | | ¥ | &yen; | &#165; | ¦ | &brvbar; | &#166; | | § | &sect; | &#167; | ¨ | &uml; | &#168; | | © | &copy; | &#169; | ª | &ordf; | &#170; | | << | << | &#171; | ¬ | &not; | &#172; | | ­ | &shy; | &#173; | ® | &reg; | &#174; | | ¯ | &macr; | &#175; | ° | &deg; | d&#176; | | ± | &plusmn; | &#177; | ² | &sup2; | &#178; | | ³ | &sup3; | &#179; | ´ | &acute; | &#180; | | µ | &micro; | &#181; | | | |