排课系统【JSP+Servlet+JavaBean】（Java课设）

package com.controller; import com.pojo.User; import com.service.IndexService; 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 javax.servlet.http.HttpServletRequest; import java.util.List; @Controller @RequestMapping("/index") public class IndexController { //服务层 @Autowired private IndexService indexService; //跳转到登录页面 @RequestMapping("/login") public String login() { return "login"; } //跳转到注册页面 @RequestMapping("/register") public String register() { return "register"; } @RequestMapping("/menu") public String menu(HttpServletRequest httpServletRequest) { if (!httpServletRequest.getSession().getAttribute("username").equals("admin")){ return "login"; } return "menu"; } @RequestMapping("/exit") public String exit() { return "login"; } @RequestMapping("/teacherTo") public String teacherTo() { return "selectAllTeacher"; } @RequestMapping("/classroomTo") public String classroomTo() { return "selectAllClassRoom"; } @RequestMapping("/arrayTo") public String arrayTo() { return "selectAllArrange"; } @RequestMapping("/classesTo") public String classesTo() { return "selectAllClasses"; } // 提交登录信息 @RequestMapping("/loginSubmit") public String loginSubmit(HttpServletRequest httpServletRequest,Model model, User user) { // 从数据库中查找用户 User userDB = indexService.selectByUserName(user.getUsername()); if (user.getUsername().isEmpty() || user.getPassword().isEmpty()) { model.addAttribute("result", "请输入账号密码进行登录！"); // 如果账号或密码为空，返回登录页面并显示提示信息 return "login"; } if (userDB != null){ // 如果密码相同，登录成功 if (user.getPassword().equals(userDB.getPassword()) && user.getType().equals(userDB.getType())) { if (user.getType().equals("管理员")){ httpServletRequest.getSession().setAttribute("username",user.getUsername()); return "menu"; }else if (user.getType().equals("老师")){ httpServletRequest.getSession().setAttribute("username",user.getUsername()); return "selectAllTeacher"; }else if (user.getType().equals("班主任/班长")){ httpServletRequest.getSession().setAttribute("username",user.getUsername()); return "selectAllClasses"; } } else { model.addAttribute("result", "账号或密码错误！"); // 账号或密码错误，返回登录页面并显示提示信息 return "login"; } }else { model.addAttribute("result", "没有这个账号信息！"); // 如果账号或密码为空，返回登录页面并显示提示信息 return "login"; } return "login"; } }