maven+springmvc+spring+mybatis

package com.dahafo.demo.um.controller; import java.text.DateFormat; import java.util.Date; import java.util.Locale; import javax.annotation.Resource; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.ui.ModelMap; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import com.alibaba.fastjson.JSON; import com.dahafo.demo.um.model.User; import com.dahafo.demo.um.service.UserService; /** * Handles requests for the application home page. */ @Controller public class HomeController { private static final Logger logger = LoggerFactory.getLogger(HomeController.class); @Resource private UserService userService; /** * Simply selects the home view to render by returning its name. */ @RequestMapping(value = "/", method = RequestMethod.GET) public String home(Locale locale, Model model) { logger.info("Welcome home! The client locale is {}.", locale); Date date = new Date(); DateFormat dateFormat = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG, locale); String formattedDate = dateFormat.format(date); model.addAttribute("serverTime", formattedDate ); return "home"; } @RequestMapping(value="/saveUser") public String saveUser(User user,Model model){ logger.debug(JSON.toJSON(user).toString());; int id=userService.insertSelective(user); logger.debug("id===="+id); model.addAttribute("id",user.getId()); return "success"; } }