spring mvc +hibernate注解版测试增，删，改，查 简单xml配置应用

package org.controller; import java.util.List; import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; import org.bean.User; import org.service.Service; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.context.WebApplicationContext; import org.springframework.web.context.support.WebApplicationContextUtils; import org.springframework.web.portlet.ModelAndView; import org.springframework.web.servlet.support.RequestContextUtils; @Controller public class UserController {//userController @Resource(name="userService") private Service userService; @RequestMapping("/spirng/helloSpring") public String helloSpring(HttpServletRequest request){ //spring 的上下文 @SuppressWarnings("unused") WebApplicationContext ac1=WebApplicationContextUtils. getWebApplicationContext(request.getSession().getServletContext()); //spring mvc的上下文 WebApplicationContext ac2=RequestContextUtils.getWebApplicationContext(request); System.out.println(userService.helloSpring()); return "/show"; } //add user @RequestMapping("/userdemo/addUser") public String addUser(User user,HttpServletRequest request){ System.out.println(user.getUsername()+user.getAge()); try { userService.add(user); } catch (Exception e) { // TODO: handle exception return "error"; } List<User> userList=userService.getAll(); request.setAttribute("userList",userList); return "userList"; } //select user @RequestMapping("/userdemo/userList") public String showUserList(HttpServletRequest request){ List<User> userList=userService.getAll(); System.out.println(userList.size()); request.setAttribute("userList",userList); return "userList"; } //show edit uesr @RequestMapping("/userdemo/showEditUser") public String showEditUser(String uuid,HttpServletRequest request){ User user=userService.getSingleUser(uuid); request.setAttribute("user",user); return "editUser"; } //edit user @RequestMapping("/userdemo/editUser") public String editUser(User uesr,HttpServletRequest request){ try { userService.update(uesr); } catch (Exception e) { return "error"; } List<User> userList=userService.getAll(); request.setAttribute("userList",userList); return "userList"; } //delete user @RequestMapping("/userdemo/deleteUser") public String deleteUser(String uuid,HttpServletRequest request){ System.out.println("ddd"); try { userService.delete(userService.getSingleUser(uuid)); } catch (Exception e) { return "error"; } List<User> userList=userService.getAll(); request.setAttribute("userList",userList); return "userList"; } }