SpringMVC-Spring-Mybatis-Freemarker整合

package com.xujd.controller; import java.io.IOException; import java.io.PrintWriter; import java.util.List; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import com.xujd.model.User; import com.xujd.service.UserService; @Controller @RequestMapping("/bg/user") public class UserController { @Autowired private UserService userService; /** * 用户登入 * @param request * @return */ /*@SuppressWarnings("null") @RequestMapping(value="/login") public String login(HttpServletRequest request,HttpServletResponse response,User user){ HttpSession session = request.getSession(); User u = new User(); u = userService.login(user); if(u==null||u.equals("")){ return "/login"; }else{ session.setAttribute("user_session", u); return "redirect:/bg/user/getAllUser"; } }*/ /** * 获取所有用户列表 * @param request * @return */ @RequestMapping("/getAllUser") public String getAllUser(HttpServletRequest request,Model model){ HttpSession session = request.getSession(); User user = (User) session.getAttribute("user_session"); //System.out.println("sessionID:"+session.getId()); //System.out.println("session中数据为：id:"+user.getId()+"---name:"+user.getName()+"---gae:"+user.getAge()+"---loginName:"+user.getLoginName()+"---password:"+user.getPassword()); List<User> findAll = userService.findAll(); model.addAttribute("userList", findAll); /*request.setAttribute("userList", findAll);*/ return "/user/allUser"; } /** * 跳转到添加用户界面 * @param request * @return */ @RequestMapping("/toAddUser") public String toAddUser(User user,Model model){ return "/user/addUser"; } /** * 添加用户并重定向 * @param user * @param request * @return */ @RequestMapping("/addUser") public String addUser(User user,HttpServletRequest request,Model model){ userService.save(user); //request.setAttribute("succ","succ"); //model.addAttribute("succ", "succ"); return "redirect:getAllUser"; } @RequestMapping("/editUser") public String editUser(int id,HttpServletRequest request,Model model){ request.setAttribute("user", userService.findById(id)); return "/user/editUser"; } /** *编辑用户 * @param user * @param request * @return */ @RequestMapping("/updateUser") public String updateUser(User user,Model model,HttpServletRequest request){ if(userService.update(user)){ model.addAttribute("succ", "succ"); return "redirect:getAllUser"; }else{ return "/error"; } } /** * 根据id查询单个用户 * @param id * @param request * @return */ @RequestMapping("/getUser") public String getUser(int id,HttpServletRequest request){ request.setAttribute("user", userService.findById(id)); return "/user/editUser"; } /** * 删除用户 * @param id * @param request * @param response */ @RequestMapping("/delUser") public void delUser(int id,HttpServletRequest request,HttpServletResponse response,Model model){ String result = "{\"result\":\"error\"}"; if(userService.delete(id)){ result = "{\"result\":\"success\"}"; }else{ model.addAttribute("error", "error"); } response.setContentType("application/json"); try { PrintWriter out = response.getWriter(); out.write(result); } catch (IOException e) { e.printStackTrace(); } } }