jsp 页面取值

<%@ 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>
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