操作题-完整代码.rar

package com.neu.controller; import java.util.List; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.servlet.ModelAndView; import com.neu.pojo.User; import com.neu.service.UserService; /** * 用户管理Controller * @author Admin * */ @Controller @RequestMapping("/users") public class UserController { @Autowired private UserService userService; @RequestMapping("/index") public ModelAndView index(HttpServletRequest request) { //代码编写处 //定义ModelAndView 对象 ModelAndView modelAndView = new ModelAndView(); //1.判断用户是否登录 //获得session对象 HttpSession session = request.getSession(); //从session对象中取出登录时保存的user信息 String uname = (String)session.getAttribute("user"); //如果用户已登录 if (uname != null) { //获得所有的用户信息 List<User> userList = userService.getUsers(); //把结果userList放到modelAndView对象中，键值名称为“userList” modelAndView.addObject("userList", userList); //转发到“/users” modelAndView.setViewName("users"); }else { //跳转到“/index” modelAndView.setViewName("redirect:/index"); } return modelAndView; //请修改代码 } }