我正在使用使用Servlet 2.5的Tomcat 6.ServletRequestAPI 中的Servlet 3.0中提供了一种方法,该方法为ServletContext与之关联的对象提供了句柄ServletRequest.有没有办法ServletContext从ServletRequest使用Servlet 2.5 API 获取对象？
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Murach's Java Servlets and JSP</title>
</head>
<body>
<%-- import packages and classes needed by the scripts --%>
<%@ page import="business.*, data.*" %>
<%
//get parameters from the request
String firstName = request.getParameter("firstName");
String lastName = request.getParameter("lastName");
String emailAddress = request.getParameter("emailAddress");
// get the real path for the EmailList.txt file
ServletContext sc = this.getServletContext();
String path = sc.getRealPath("/WEB-INF/EmailList.txt");
// use regular Java objects
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