JSTL表頭

JSTL tag library <%@ taglib %> directive
Core <%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>
XML <%@ taglib prefix="x" uri="http://java.sun.com/jstl/xml" %>
Formatting <%@ taglib prefix="fmt" uri="http://java.sun.com/jstl/fmt" %>
Database <%@ taglib prefix="sql" uri="http://java.sun.com/jstl/sql" %>