为什么一直出现Duplicate local variable user。。。。视频中用的不也都是同一个myUser命名么
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-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=utf-8">
<title>Insert title here</title>
</head>
<body>
<jsp:useBean id="user" class = "com.imooc.www.Users"></jsp:useBean>
<h1>测试javaBean作用域范围</h1>
<hr>
<jsp:useBean id="user" class="com.imooc.www.Users" scope="application"/>
<jsp:getProperty property="username" name="user"/>
<jsp:getProperty property="username" name="user"/>
</body>
</html>
