用springMVC做一个多页的用户注册过程

将上一页的内容保存在session中，下一页重这里获取
用springMVC做一个多页的用户注册过程
@RequestMapping(value = "/savenext")
public String savenext(
@ModelAttribute("organization") OrganizationDto organization,Model model) {
HttpSession session = SpringWebHolder.getSession();
session.setAttribute("registor", organization);
Map<String, Object> paraMap = new HashMap<String, Object>();
paraMap.put("pageNo", 0);
paraMap.put("pageSize", 10);
paraMap.put("userName", organization.getUserName());
paraMap.put("passWord", null);
PageInfo<User> usercheck = userManagementService.queryUserListNoLike(paraMap);
if(usercheck!=null&&usercheck.getList()!=null&&usercheck.getList().size()>0){
// model.addAttribute("alarm", "已经存在相同用户名，密码的用户，请重新填写");
String str="已经存在相同用户名，请重新填写";
String filePath="";
try {
filePath = URLEncoder.encode(str,"utf-8");
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} 
return "redirect:index.do?alarm=1";

}else{
return "redirect:info.do";
}

}