注意大小写
<%@ page language="java" %>
<%! String name="";%>
<%
name = request.getParameter("thename");
session.putValue("thename",name);
%>
<%@ page language="java" %>
<%! String name="";%>
<%
name = request.getParameter("thename");
session.putValue("thename",name);
%>
request.getParameter("thename");
session.putValue("thename",name);
先解决大小写问题吧