springmvc+mybatis项目框架的搭建

package com.cn.hnust.controller; import java.util.ArrayList; import java.util.List; import javax.annotation.Resource; import javax.persistence.QueryHint; import javax.servlet.http.HttpServletRequest; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import com.cn.hnust.pojo.User; import com.cn.hnust.service.IUserService; @Controller @RequestMapping("/user") public class UserController { @Resource private IUserService userService; @RequestMapping("/showUser") public String toIndex(HttpServletRequest request, Model model) { // int userId = Integer.parseInt(request.getParameter("id")); int userId = 1; User user = this.userService.getUserById(userId); model.addAttribute("user", user); return "showUser"; } @RequestMapping("/insert") public void toInsert(HttpServletRequest request, Model model) { User user = new User(); user.setAge(78); user.setPassword("123"); user.setUserName("lixiaonan"); user.setId(2); this.userService.intset(user); } @RequestMapping("/insertSelect") public String insertSelect() { User user = new User(); user.setPassword("lixiaonan"); user.setId(3); user.setUserName("lixiaonan"); this.userService.insertSelect(user); return "showUser"; } @RequestMapping("/delete") public void toDelete() { int id = 2; this.userService.delete(id); } @RequestMapping("/update") public String update() { int id = 1; User user = this.userService.select(id); user.setAge(78788); this.userService.updateSelect(user); return "showUser"; } @RequestMapping("findByIds") public void findByIds() { List<Integer> ids = new ArrayList<Integer>(); ids.add(1); ids.add(3); List<User> users = this.userService.fingByIds(ids); for (User user : users) { System.out.println(user.getUserName()); } } @RequestMapping("findBylike") public void findBylike() { String name="%li%"; List<User> users= this.userService.fingBylike(name); for (User user : users) { System.out.println(user.getId()); } } }