request.setAttribute("user",user);这句话什么意思啊
service.usersearch(user);
ActionMessages messages = new ActionMessages();
ActionMessage message = new ActionMessage("login.user.insert.success",user.getUsername() );
messages.add( ActionMessages.GLOBAL_MESSAGE, message );
saveMessages( request, messages );
request.setAttribute("user",user);
return (mapping.findForward("success"));