本科毕业设计项目，结合springboot和redis缓存设计的高校选课系统.zip

package com.online.edu.controller; import com.online.edu.dao.UserDao; import com.online.edu.entity.User; import com.online.edu.service.UserService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.view.RedirectView; import javax.servlet.http.HttpSession; import java.util.HashMap; import java.util.List; import java.util.Map; @Controller public class LoginController { @Autowired private UserService userService; @Autowired private UserDao userDao; @GetMapping("/select") public String SelectStudentById(@RequestParam("id") int id, Model model, HttpSession session) { // User user = userService.selectFromId(id); User user = userDao.selectById(id); model.addAttribute("msg", "信息查询成功！"); session.setAttribute("student", user); System.out.println(user); return "/sucess"; } private int tp; @RequestMapping("/in") public ModelAndView loginSelect(@RequestParam("name") String loginname, @RequestParam("pswd") String password, Model model, ModelAndView mv, HttpSession session) { // User user = userService.loginSelect(loginname, password); Map<String, Object> conditions = new HashMap<>(); conditions.put("loginname",loginname); conditions.put("password",password); List<User> userList = userDao.selectByMap(conditions); System.out.println(userList); User usertype = new User(); for(User user : userList) { tp = user.getType(); usertype.setId(user.getId()); usertype.setLoginname(user.getLoginname()); usertype.setType(user.getType()); } if (userList.isEmpty()){ mv.setView(new RedirectView("/index")); session.setAttribute("errorInfo","用户信息未在数据库中检索到，请核对用户名和密码！"); return mv; }else if (tp == 1){ session.setAttribute("user", usertype); mv.setView(new RedirectView("/teacher?id=" )); session.setAttribute("id", usertype.getId()); session.setAttribute("name", usertype.getName()); session.setAttribute("type", "教师"); model.addAttribute("user", usertype); }else{ session.setAttribute("user", usertype); mv.setView(new RedirectView("/student?id=" + usertype.getId())); session.setAttribute("id", usertype.getId()); session.setAttribute("name", usertype.getName()); session.setAttribute("type", "学生"); model.addAttribute("user", usertype); } return mv; } //前台登录输入姓名时进行前台ajax异步查询，检查用户名，提升交互体验 @GetMapping("/user/name") @ResponseBody public String checkNameNoF(String name){ Map<String, Object> map = new HashMap<>(); map.put("loginname",name); System.out.println("前端用户为："+name); List<User> userList = userDao.selectByMap(map); if(userList.isEmpty()){ return "用户未注册，请检查用户名"; }else { return "用户验证通过"; } } //前台登录输入姓名时进行前台ajax异步查询，检查密码，提升交互体验 @GetMapping("/user/psw") @ResponseBody public String checkPswNoF(String name, String password){ Map<String, Object> map = new HashMap<>(); map.put("loginname",name); map.put("password",password); System.out.println("前端用户为："+name); System.out.println("前端密码为："+password); List<User> userList = userDao.selectByMap(map); if(userList.isEmpty()){ return "密码错误，请重新输入密码"; }else { return "密码验证通过！"; } } @RequestMapping("/index") public String view() { return "/login"; } @RequestMapping("/teacher") public String t() { return "/teacher"; } @RequestMapping("/student") public String s() { return "/student"; } @RequestMapping("/login") public String l() { return "/login"; } // public int doJudge(@RequestParam("sex") String sex) { // String gender = "男"; // int stu_gender; // if (sex.equals(gender)) { // stu_gender = 1; // } else { // stu_gender = 0; // } // return stu_gender; // } }