????3.Ч?????

??????????????????????
????????<jsp:directive/>???
????<jsp:directice/>???????JSP??<jsp:directive.page/>???????<%@ page%>???<jsp:directive.include/>???????<%@ include%>???<jsp:directive.taglib/>???????<%@ taglib%>??
????????????Java Web?????????????????directive??????????JSP?????????<jsp:directive/>?????JSP???????????????á?