spring mvc-spring boot-mybatis

package com.yldtech.web.controller; import java.util.List; import javax.servlet.http.HttpServletRequest; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody; import com.yldtech.domain.User; import com.yldtech.service.IUserService; @Controller public class UserController { @Autowired private IUserService userService; @RequestMapping("insertUser") @ResponseBody public String insertUser(User user, HttpServletRequest request){ System.out.println(user); if(user!=null){ userService.insert(user); } return ""; } @RequestMapping("deleteUser") @ResponseBody public String deleteUser(User user, HttpServletRequest request){ userService.deleteByPrimaryKey(user.getId()); return ""; } @RequestMapping("updateUser") @ResponseBody public String updateUser(User user, HttpServletRequest request){ userService.updateByPrimaryKey(user); return ""; } @RequestMapping("getUser") @ResponseBody public User getUser(Long id, HttpServletRequest request){ return userService.selectByPrimaryKey(id); } @RequestMapping("listUser") @ResponseBody public List<User> listUser(HttpServletRequest request){ return userService.selectAll(); } }