Jsp获取Java的重定向赋值(String)

Java代码片段:

//传递String 
request.setAttribute("msg", msg); 
//重定向 
request.getRequestDispatcher("error.jsp").forward(request, response);

Jsp代码片段:

<%@ page language="java" contentType="text/html; charset=utf-8" 
    pageEncoding="utf-8"%> 
<%@ page import="nc.xyzq.uuib.bean.AuthReqBean" %> 
<% 
String path = request.getContextPath(); 
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; 
%> 
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 
<html> 
<head> 
<base href="<%=basePath%>"> 
<title>404页面</title> 
<script type="text/javascript" src="<%= path %>/scripts/jquery-1.7.2.min.js"></script>       
<%  
    String msg = (String)request.getAttribute("msg"); 
%>  
</head> 
<body> 
<input id="fbi_gjzxt" type="button" name="fbi_gjzxt" value ="<%=msg %>"/>   
<center> 
<img src="images/error404.png"> 
</center> 
</body> 
</html>
String msg = (String)request.getAttribute("msg");//强制转换为String
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Jsp获取Java的对象(JavaBean)详解
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