學生課程表管理系統——stage 2

具體實現代碼

AdminController

 

package com.system.controller;

import com.system.exception.CustomException;
import com.system.po.*;
import com.system.service.*;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.subject.Subject;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import javax.annotation.Resource;
import java.util.List;


@Controller
@RequestMapping("/admin")
public class AdminController {

    @Resource(name = "studentServiceImpl")
    private StudentService studentService;

    @Resource(name = "teacherServiceImpl")
    private TeacherService teacherService;

    @Resource(name = "courseServiceImpl")
    private CourseService courseService;

    @Resource(name = "collegeServiceImpl")
    private CollegeService collegeService;

    @Resource(name = "userloginServiceImpl")
    private UserloginService userloginService;

    /*<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<學生操做>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/

    //  學生信息顯示
    @RequestMapping("/showStudent")
    public String showStudent(Model model, Integer page) throws Exception {

        List<StudentCustom> list = null;
        //頁碼對象
        PagingVO pagingVO = new PagingVO();
        //設置總頁數
        pagingVO.setTotalCount(studentService.getCountStudent());
        if (page == null || page == 0) {
            pagingVO.setToPageNo(1);
            list = studentService.findByPaging(1);
        } else {
            pagingVO.setToPageNo(page);
            list = studentService.findByPaging(page);
        }

        model.addAttribute("studentList", list);
        model.addAttribute("pagingVO", pagingVO);

        return "admin/showStudent";

    }

    //  添加學生信息頁面顯示
    @RequestMapping(value = "/addStudent", method = {RequestMethod.GET})
    public String addStudentUI(Model model) throws Exception {

        List<College> list = collegeService.finAll();

        model.addAttribute("collegeList", list);

        return "admin/addStudent";
    }

     // 添加學生信息操做
    @RequestMapping(value = "/addStudent", method = {RequestMethod.POST})
    public String addStudent(StudentCustom studentCustom, Model model) throws Exception {

        Boolean result = studentService.save(studentCustom);

        if (!result) {
            model.addAttribute("message", "學號重複");
            return "error";
        }
        //添加成功後，也添加到登陸表
        Userlogin userlogin = new Userlogin();
        userlogin.setUsername(studentCustom.getUserid().toString());
        userlogin.setPassword("123");
        userlogin.setRole(2);
        userloginService.save(userlogin);

        //重定向
        return "redirect:/admin/showStudent";
    }

    // 修改學生信息頁面顯示
    @RequestMapping(value = "/editStudent", method = {RequestMethod.GET})
    public String editStudentUI(Integer id, Model model) throws Exception {
        if (id == null) {
            //加入沒有帶學生id就進來的話就返回學生顯示頁面
            return "redirect:/admin/showStudent";
        }
        StudentCustom studentCustom = studentService.findById(id);
        if (studentCustom == null) {
            throw new CustomException("未找到該名學生");
        }
        List<College> list = collegeService.finAll();

        model.addAttribute("collegeList", list);
        model.addAttribute("student", studentCustom);


        return "admin/editStudent";
    }

    // 修改學生信息處理
    @RequestMapping(value = "/editStudent", method = {RequestMethod.POST})
    public String editStudent(StudentCustom studentCustom) throws Exception {

        studentService.updataById(studentCustom.getUserid(), studentCustom);

        //重定向
        return "redirect:/admin/showStudent";
    }

    // 刪除學生
    @RequestMapping(value = "/removeStudent", method = {RequestMethod.GET} )
    private String removeStudent(Integer id) throws Exception {
        if (id == null) {
            //加入沒有帶學生id就進來的話就返回學生顯示頁面
            return "admin/showStudent";
        }
        studentService.removeById(id);
        userloginService.removeByName(id.toString());

        return "redirect:/admin/showStudent";
    }

    // 搜索學生
    @RequestMapping(value = "selectStudent", method = {RequestMethod.POST})
    private String selectStudent(String findByName, Model model) throws Exception {

        List<StudentCustom> list = studentService.findByName(findByName);

        model.addAttribute("studentList", list);
        return "admin/showStudent";
    }

    /*<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<教師操做>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/

    // 教師頁面顯示
    @RequestMapping("/showTeacher")
    public String showTeacher(Model model, Integer page) throws Exception {

        List<TeacherCustom> list = null;
        //頁碼對象
        PagingVO pagingVO = new PagingVO();
        //設置總頁數
        pagingVO.setTotalCount(teacherService.getCountTeacher());
        if (page == null || page == 0) {
            pagingVO.setToPageNo(1);
            list = teacherService.findByPaging(1);
        } else {
            pagingVO.setToPageNo(page);
            list = teacherService.findByPaging(page);
        }

        model.addAttribute("teacherList", list);
        model.addAttribute("pagingVO", pagingVO);

        return "admin/showTeacher";

    }

    // 添加教師信息
    @RequestMapping(value = "/addTeacher", method = {RequestMethod.GET})
    public String addTeacherUI(Model model) throws Exception {

        List<College> list = collegeService.finAll();

        model.addAttribute("collegeList", list);

        return "admin/addTeacher";
    }

    // 添加教師信息處理
    @RequestMapping(value = "/addTeacher", method = {RequestMethod.POST})
    public String addTeacher(TeacherCustom teacherCustom, Model model) throws Exception {

        Boolean result = teacherService.save(teacherCustom);

        if (!result) {
            model.addAttribute("message", "工號重複");
            return "error";
        }
        //添加成功後，也添加到登陸表
        Userlogin userlogin = new Userlogin();
        userlogin.setUsername(teacherCustom.getUserid().toString());
        userlogin.setPassword("123");
        userlogin.setRole(1);
        userloginService.save(userlogin);

        //重定向
        return "redirect:/admin/showTeacher";
    }

    // 修改教師信息頁面顯示
    @RequestMapping(value = "/editTeacher", method = {RequestMethod.GET})
    public String editTeacherUI(Integer id, Model model) throws Exception {
        if (id == null) {
            return "redirect:/admin/showTeacher";
        }
        TeacherCustom teacherCustom = teacherService.findById(id);
        if (teacherCustom == null) {
            throw new CustomException("未找到該名學生");
        }
        List<College> list = collegeService.finAll();

        model.addAttribute("collegeList", list);
        model.addAttribute("teacher", teacherCustom);


        return "admin/editTeacher";
    }

    // 修改教師信息頁面處理
    @RequestMapping(value = "/editTeacher", method = {RequestMethod.POST})
    public String editTeacher(TeacherCustom teacherCustom) throws Exception {

        teacherService.updateById(teacherCustom.getUserid(), teacherCustom);

        //重定向
        return "redirect:/admin/showTeacher";
    }

    //刪除教師
    @RequestMapping("/removeTeacher")
    public String removeTeacher(Integer id) throws Exception {
        if (id == null) {
            //加入沒有帶教師id就進來的話就返回教師顯示頁面
            return "admin/showTeacher";
        }
        teacherService.removeById(id);
        userloginService.removeByName(id.toString());

        return "redirect:/admin/showTeacher";
    }

    //搜索教師
    @RequestMapping(value = "selectTeacher", method = {RequestMethod.POST})
    private String selectTeacher(String findByName, Model model) throws Exception {

        List<TeacherCustom> list = teacherService.findByName(findByName);

        model.addAttribute("teacherList", list);
        return "admin/showTeacher";
    }

    /*<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<課程操做>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/

    // 課程信息顯示
    @RequestMapping("/showCourse")
    public String showCourse(Model model, Integer page) throws Exception {

        List<CourseCustom> list = null;
        //頁碼對象
        PagingVO pagingVO = new PagingVO();
        //設置總頁數
        pagingVO.setTotalCount(courseService.getCountCouse());
        if (page == null || page == 0) {
            pagingVO.setToPageNo(1);
            list = courseService.findByPaging(1);
        } else {
            pagingVO.setToPageNo(page);
            list = courseService.findByPaging(page);
        }

        model.addAttribute("courseList", list);
        model.addAttribute("pagingVO", pagingVO);

        return "admin/showCourse";

    }

    //添加課程
    @RequestMapping(value = "/addCourse", method = {RequestMethod.GET})
    public String addCourseUI(Model model) throws Exception {

        List<TeacherCustom> list = teacherService.findAll();
        List<College> collegeList = collegeService.finAll();

        model.addAttribute("collegeList", collegeList);
        model.addAttribute("teacherList", list);

        return "admin/addCourse";
    }

    // 添加課程信息處理
    @RequestMapping(value = "/addCourse", method = {RequestMethod.POST})
    public String addCourse(CourseCustom courseCustom, Model model) throws Exception {

        Boolean result = courseService.save(courseCustom);

        if (!result) {
            model.addAttribute("message", "課程號重複");
            return "error";
        }


        //重定向
        return "redirect:/admin/showCourse";
    }

    // 修改教師信息頁面顯示
    @RequestMapping(value = "/editCourse", method = {RequestMethod.GET})
    public String editCourseUI(Integer id, Model model) throws Exception {
        if (id == null) {
            return "redirect:/admin/showCourse";
        }
        CourseCustom courseCustom = courseService.findById(id);
        if (courseCustom == null) {
            throw new CustomException("未找到該課程");
        }
        List<TeacherCustom> list = teacherService.findAll();
        List<College> collegeList = collegeService.finAll();

        model.addAttribute("teacherList", list);
        model.addAttribute("collegeList", collegeList);
        model.addAttribute("course", courseCustom);


        return "admin/editCourse";
    }

    // 修改教師信息頁面處理
    @RequestMapping(value = "/editCourse", method = {RequestMethod.POST})
    public String editCourse(CourseCustom courseCustom) throws Exception {

        courseService.upadteById(courseCustom.getCourseid(), courseCustom);

        //重定向
        return "redirect:/admin/showCourse";
    }

    // 刪除課程信息
    @RequestMapping("/removeCourse")
    public String removeCourse(Integer id) throws Exception {
        if (id == null) {
            //加入沒有帶教師id就進來的話就返回教師顯示頁面
            return "admin/showCourse";
        }
        courseService.removeById(id);

        return "redirect:/admin/showCourse";
    }

    //搜索課程
    @RequestMapping(value = "selectCourse", method = {RequestMethod.POST})
    private String selectCourse(String findByName, Model model) throws Exception {

        List<CourseCustom> list = courseService.findByName(findByName);

        model.addAttribute("courseList", list);
        return "admin/showCourse";
    }

    /*<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<其餘操做>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/

    // 普通用戶帳號密碼重置
    @RequestMapping("/userPasswordRest")
    public String userPasswordRestUI() throws Exception {
        return "admin/userPasswordRest";
    }

    // 普通用戶帳號密碼重置處理
    @RequestMapping(value = "/userPasswordRest", method = {RequestMethod.POST})
    public String userPasswordRest(Userlogin userlogin) throws Exception {

        Userlogin u = userloginService.findByName(userlogin.getUsername());

        if (u != null) {
            if (u.getRole() == 0) {
                throw new CustomException("該帳戶爲管理員帳戶，無法修改");
            }
            u.setPassword(userlogin.getPassword());
            userloginService.updateByName(userlogin.getUsername(), u);
        } else {
            throw new CustomException("沒找到該用戶");
        }

        return "admin/userPasswordRest";
    }

    // 本帳戶密碼重置
    @RequestMapping("/passwordRest")
    public String passwordRestUI() throws Exception {
        return "admin/passwordRest";
    }


}
　　該代碼實現的是管理員界面可以實現的全部功能，包括學生、課程和老師頁面的顯示、添加、修改、刪除、搜索功能，還提供了用戶密碼的重置功能

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　LoginController

package com.system.controller;

import com.system.po.Userlogin;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

@Controller
public class LoginController {

    //登陸跳轉
    @RequestMapping(value = "/login", method = {RequestMethod.GET})
    public String loginUI() throws Exception {
        return "../../login";
    }

    //登陸表單處理
    @RequestMapping(value = "/login", method = {RequestMethod.POST})
    public String login(Userlogin userlogin) throws Exception {

        //Shiro實現登陸
        UsernamePasswordToken token = new UsernamePasswordToken(userlogin.getUsername(),
                userlogin.getPassword());
        Subject subject = SecurityUtils.getSubject();

        //若是獲取不到用戶名就是登陸失敗，但登陸失敗的話，會直接拋出異常
        subject.login(token);

        if (subject.hasRole("admin")) {
            return "redirect:/admin/showStudent";
        } else if (subject.hasRole("teacher")) {
            return "redirect:/teacher/showCourse";
        } else if (subject.hasRole("student")) {
            return "redirect:/student/showCourse";
        }

        return "/login";
    }

}
　　本段代碼實現了利用Shiro技術來實現登錄，包括登錄表單的處理、登錄的跳轉和異常的處理

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　ResetPasswordController

package com.system.controller;

import com.system.exception.CustomException;
import com.system.po.Userlogin;
import com.system.service.UserloginService;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.subject.Subject;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import javax.annotation.Resource;

@Controller
public class RestPasswordController {

    @Resource(name = "userloginServiceImpl")
    private UserloginService userloginService;

    // 本帳戶密碼重置
    @RequestMapping(value = "/passwordRest", method = {RequestMethod.POST})
    public String passwordRest(String oldPassword, String password1) throws Exception {
        Subject subject = SecurityUtils.getSubject();
        String username = (String) subject.getPrincipal();

        Userlogin userlogin = userloginService.findByName(username);

        if (!oldPassword.equals(userlogin.getPassword())) {
            throw new CustomException("舊密碼不正確");
        } else {
            userlogin.setPassword(password1);
            userloginService.updateByName(username, userlogin);
        }

        return "redirect:/logout";
    }

}
　　本段代碼是密碼重置過程的實現


　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　StudentController

package com.system.controller;

import com.system.exception.CustomException;
import com.system.po.*;
import com.system.service.CourseService;
import com.system.service.SelectedCourseService;
import com.system.service.StudentService;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.subject.Subject;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

import javax.annotation.Resource;
import java.util.List;


@Controller
@RequestMapping(value = "/student")
public class StudentController {

    @Resource(name = "courseServiceImpl")
    private CourseService courseService;

    @Resource(name = "studentServiceImpl")
    private StudentService studentService;

    @Resource(name = "selectedCourseServiceImpl")
    private SelectedCourseService selectedCourseService;

    @RequestMapping(value = "/showCourse")
    public String stuCourseShow(Model model, Integer page) throws Exception {

        List<CourseCustom> list = null;
        //頁碼對象
        PagingVO pagingVO = new PagingVO();
        //設置總頁數
        pagingVO.setTotalCount(courseService.getCountCouse());
        if (page == null || page == 0) {
            pagingVO.setToPageNo(1);
            list = courseService.findByPaging(1);
        } else {
            pagingVO.setToPageNo(page);
            list = courseService.findByPaging(page);
        }

        model.addAttribute("courseList", list);
        model.addAttribute("pagingVO", pagingVO);

        return "student/showCourse";
    }

    // 選課操做
    @RequestMapping(value = "/stuSelectedCourse")
    public String stuSelectedCourse(int id) throws Exception {
        //獲取當前用戶名
        Subject subject = SecurityUtils.getSubject();
        String username = (String) subject.getPrincipal();

        SelectedCourseCustom selectedCourseCustom = new SelectedCourseCustom();
        selectedCourseCustom.setCourseid(id);
        selectedCourseCustom.setStudentid(Integer.parseInt(username));

        SelectedCourseCustom s = selectedCourseService.findOne(selectedCourseCustom);

        if (s == null) {
            selectedCourseService.save(selectedCourseCustom);
        } else {
            throw new CustomException("該門課程你已經選了，不能再選");
        }

        return "redirect:/student/selectedCourse";
    }

    // 退課操做
    @RequestMapping(value = "/outCourse")
    public String outCourse(int id) throws Exception {
        Subject subject = SecurityUtils.getSubject();
        String username = (String) subject.getPrincipal();

        SelectedCourseCustom selectedCourseCustom = new SelectedCourseCustom();
        selectedCourseCustom.setCourseid(id);
        selectedCourseCustom.setStudentid(Integer.parseInt(username));

        selectedCourseService.remove(selectedCourseCustom);

        return "redirect:/student/selectedCourse";
    }

    // 已選課程
    @RequestMapping(value = "/selectedCourse")
    public String selectedCourse(Model model) throws Exception {
        //獲取當前用戶名
        Subject subject = SecurityUtils.getSubject();
        StudentCustom studentCustom = studentService.findStudentAndSelectCourseListByName((String) subject.getPrincipal());

        List<SelectedCourseCustom> list = studentCustom.getSelectedCourseList();

        model.addAttribute("selectedCourseList", list);

        return "student/selectCourse";
    }

    // 已修課程
    @RequestMapping(value = "/overCourse")
    public String overCourse(Model model) throws Exception {

        //獲取當前用戶名
        Subject subject = SecurityUtils.getSubject();
        StudentCustom studentCustom = studentService.findStudentAndSelectCourseListByName((String) subject.getPrincipal());

        List<SelectedCourseCustom> list = studentCustom.getSelectedCourseList();

        model.addAttribute("selectedCourseList", list);

        return "student/overCourse";
    }

    //修改密碼
    @RequestMapping(value = "/passwordRest")
    public String passwordRest() throws Exception {
        return "student/passwordRest";
    }



}
　　本段代碼是學生頁面功能的實現，其中包括選課、退課、查詢已選課程、查詢已修課程和修改密碼。


　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　TeacherComtroller

package com.system.controller;import com.system.exception.CustomException;import com.system.po.*;import com.system.service.CourseService;import com.system.service.SelectedCourseService;import com.system.service.StudentService;import com.system.service.TeacherService;import org.apache.shiro.SecurityUtils;import org.apache.shiro.subject.Subject;import org.springframework.stereotype.Controller;import org.springframework.ui.Model;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import javax.annotation.Resource;import java.util.List;@Controller@RequestMapping(value = "/teacher")public class TeacherController {    @Resource(name = "teacherServiceImpl")    private TeacherService teacherService;    @Resource(name = "courseServiceImpl")    private CourseService courseService;    @Resource(name = "selectedCourseServiceImpl")    private SelectedCourseService selectedCourseService;    // 顯示個人課程    @RequestMapping(value = "/showCourse")    public String stuCourseShow(Model model) throws Exception {        Subject subject = SecurityUtils.getSubject();        String username = (String) subject.getPrincipal();        List<CourseCustom> list = courseService.findByTeacherID(Integer.parseInt(username));        model.addAttribute("courseList", list);        return "teacher/showCourse";    }    // 顯示成績    @RequestMapping(value = "/gradeCourse")    public String gradeCourse(Integer id, Model model) throws Exception {        if (id == null) {            return "";        }        List<SelectedCourseCustom> list = selectedCourseService.findByCourseID(id);        model.addAttribute("selectedCourseList", list);        return "teacher/showGrade";    }    // 打分    @RequestMapping(value = "/mark", method = {RequestMethod.GET})    public String markUI(SelectedCourseCustom scc, Model model) throws Exception {        SelectedCourseCustom selectedCourseCustom = selectedCourseService.findOne(scc);        model.addAttribute("selectedCourse", selectedCourseCustom);        return "teacher/mark";    }    // 打分    @RequestMapping(value = "/mark", method = {RequestMethod.POST})    public String mark(SelectedCourseCustom scc) throws Exception {        selectedCourseService.updataOne(scc);        return "redirect:/teacher/gradeCourse?id="+scc.getCourseid();    }    //修改密碼    @RequestMapping(value = "/passwordRest")    public String passwordRest() throws Exception {        return "teacher/passwordRest";    }}　　本程序是教師頁面功能的實現，包括顯示教師本人的課程、顯示成績、對課程進行打分和修改（教師的）密碼。