标签:
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8" import="java.util.*,day_5_8.*"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<%
pageContext.setAttribute("name", "zhangsan");
request.setAttribute("rname", "request");
session.setAttribute("sname", "session");
application.setAttribute("aname", "application");
List<Student> list=new ArrayList();
Student stu1=new Student();
stu1.setId(1001);
stu1.setAge(15);
stu1.setName("liming");
Student stu2=new Student();
stu2.setId(1002);
stu2.setAge(20);
stu2.setName("wangwu");
list.add(stu1);
list.add(stu2);
request.setAttribute("list", list);
%>
<h3>EL表达式</h3>
${文字 }<br>
1+1=${1+1 }<br>
10/2=${10/2 }<br>
10!=4 正确吗${10!=4 }<br>
true&&false${true&&false }<br>
"null"这是一个空字符串吗?${empty "null" }
<h3>EL隐式对象</h3>
${pageContext.request.contextPath }<br>
${pageScope.name}<br>
${requestScope.rname }<br>
${sessionScope.sname }<br>
${applicationScope.aname }<br>
${list[0][‘id‘] }
${list[0][‘id‘] }<br>
${param.el }
</body>
</html>

标签:
原文地址:http://my.oschina.net/u/2356966/blog/412383