HTMLУҪıвţʹʵãEntity Referencesַ루Character Encoding
1. ʵã
ڴķţʹHTMLʵá磬ҪȨţ?ʹ `©`
һЩHTMLʵã
```
© Ȩ
® ע̱
™ ̱
€ ŷԪ
£ Ӣ
¥ Ԫ
¢ ֱҷ
& ͺţ&
< Сںţ<
> ںţ>
```
2. ַ룺
һЩַҲʹַ롣磬ŷԪţʹ `` 룬ʵŷԪŵUnicode롣
һЩַ룺
```
ŷԪţUnicode룺
ӢţUnicode룺꣩
ԪţUnicode룺
$ ԪţUnicode룺$
% ٷֱȷţUnicode룺%
```
ʹʵûַ붼HTMLвţʵHTMLXMLĵиΪƼΪDzضַ룬ַܻϵͳIJͬ졣
