code099.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>Insert title here ${pageScope.user.name} code099.jsp
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code100.jsp 获取requestScope范围的数据${requestScope.userName}${sessionScope.manager}${applicationScope.message}
code097.jsp EL逻辑运算userName = ${userName}pwd = ${pwd}/${userName != && (userName==大王)}${userName != && (userName==大王)}/${userName == tom && pwd == 123}${userName == tom && pwd == 123}
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