<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"
import="com.model.User"
%>
<!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>
<%!int a = 10; %>
<%String name = "aaa";
request.setAttribute("myName", name);
User user = new User();
user.setUsername("aa2");
request.setAttribute("users", user);
%>
name1:${myName }<br>
name2:<%=name %><br>
<!-- 作用域取值 -->
username1:${users.username }<br>
<!-- 表达式取值 -->
username2:<%=user.getUsername() %><br>
<!-- 标准动作取值 -->
<jsp:useBean id="users" class="com.model.User" scope="request"/>
username3:<jsp:getProperty name="users" property="username"/>
</body>
</html>
