springMVC+mybatis的示例项目

package com.gl.app.controller; import java.util.List; import java.util.UUID; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.ModelMap; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.servlet.ModelAndView; import com.gl.app.entity.User; import com.gl.app.mapper.UserMapper; @Controller @RequestMapping(value = "/gl") public class UserController { private UserMapper userMapper = null; @Autowired public void setMapper(UserMapper userMapper) { this.userMapper = userMapper; } @RequestMapping(method = RequestMethod.GET) public String showForm(ModelMap model) { List<User> users = userMapper.getAllUser(); model.addAttribute("users", users); return "hello"; } @RequestMapping(value = "/add") public ModelAndView add(HttpServletRequest request, HttpServletResponse response) { ModelAndView mv = new ModelAndView("hello"); String userName = request.getParameter("userName"); String password = request.getParameter("password"); User user = new User(); user.setId(UUID.randomUUID().toString()); user.setUserName(userName); user.setPassword(password); userMapper.addUser(user); List<User> list = userMapper.getAllUser(); mv.addObject("users", list); return mv; } @RequestMapping(value = "/detail") public String detail(ModelMap model, HttpServletRequest request, HttpServletResponse response) { String id = request.getParameter("id"); User user = userMapper.getUserById(id); model.addAttribute("user", user); return "detail"; } @RequestMapping(value = "/delete") public ModelAndView delete(HttpServletRequest request, HttpServletResponse response) { String id = request.getParameter("id"); userMapper.deleteById(id); ModelAndView mv = new ModelAndView("hello"); List<User> list = userMapper.getAllUser(); mv.addObject("users", list); return mv; } @RequestMapping(value = "/toupdate") public String toUpdate(ModelMap model, HttpServletRequest request, HttpServletResponse response) { String id = request.getParameter("id"); User user = userMapper.getUserById(id); model.addAttribute("user", user); return "update"; } @RequestMapping(value = "/update") public ModelAndView update(HttpServletRequest request, HttpServletResponse response) { String id = request.getParameter("sid"); String userName = request.getParameter("userName"); String password = request.getParameter("password"); User user = new User(); user.setId(id); user.setUserName(userName); user.setPassword(password); userMapper.update(user); ModelAndView mv = new ModelAndView("hello"); List<User> list = userMapper.getAllUser(); mv.addObject("users", list); return mv; } }