표현 언어(Expression Language)-requstScope, sessionScope, applicationScope

*.jsp

<%@ page %>

<%
	
    request.setAttribute("id", "page value");
    session.setAtrribute("id", "session value");
    application.setAttribute("id", "application value");
    
    MemberBean memberBean = new MemberBean();
    memberBean.setId("value");
    
    request.setAttribute("memberBean", memberBean);
    
    List memberList = new ArrayList();
    memberList.add(memberBean);
    memberList.add(memberBean);
    
    request.setAttribute("memberList", memberList);
%>

<jsp:forward page="*.jsp" />

 

 

표현 언어(Expression Language) 속성 값 출력

<%@ page ... isELIgnored="false" %>

${ id }
${ memberBean.id }
${ memberList[0].id }

 

 

표현 식(Expression Tag) 속성 값 출력

<%@ page %>

<%= request.getAttribute("id") %>
<%= sesstion.getAttribute("id") %>
<%= application.getAttribute("id") %>

<%= (MemberBean)request.getAttribute("memberBean").getId() %>
<%= (List)request.getAttribugte("memberList")[0].getId() %>

 

 

추가 정보

표현 언어(Expression Language)-param 객체

표현 언어(Expression Language)-param 객체

표현 언어(Expression Language)-useBean

표현 언어(Expression Language)-useBean

표현 언어(Expression Language)-useBean

표현 언어(Expression Language)-useBean

표현 식(Expression Tag) VS 표현 언어(Expression Language)

표현 식 VS 표현 언어&JSTL