1.jsp

 

 

2.jsp

 

 

3.jsp

 

LianxiAction:

package com.etc.controller;import javax.servlet.http.HttpSession;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestParam;@Controllerpublic class LianxiAction {	@RequestMapping("2")	public String do2(@RequestParam(value="a",required=true)String a			,HttpSession session)	{		session.setAttribute("a", a);		return "2";	}		@RequestMapping("3")	public String do3(@RequestParam(value="b",required=true)String b			,HttpSession session)	{		session.setAttribute("b", b);		return "3";	}	}