选课成绩管理系统-Toy模板网

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员工管理系统

一、项目演示

课程管理系统

二、项目介绍

基于springboot+vue的前后端分离选课成绩管理系统

该系统可做课程管理系统、成绩管理系统、选课管理系统

系统角色：学生、教师、管理员

1、管理员模块：系管理专业管理班级管理学生管理教师管理课程管理选课修改管理员管理

2、教师模块：教师首页授课查询教师课表成绩录入

3、学生模块：学生首页选修课程学生课程课表查询成绩查询信息维护

三、系统部分功能截图

选课成绩管理系统,java项目,java,毕业设计,java项目,课程设计

四、部分代码展示

package com.rainng.coursesystem.service.admin;

import com.rainng.coursesystem.manager.admin.CourseManager;
import com.rainng.coursesystem.model.bo.CourseItemBO;
import com.rainng.coursesystem.model.entity.CourseEntity;
import com.rainng.coursesystem.model.vo.response.ResultVO;
import com.rainng.coursesystem.model.vo.response.table.CourseItemVO;
import com.rainng.coursesystem.service.BaseService;
import com.rainng.coursesystem.util.LessonTimeConverter;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.List;

@Service
public class CourseService extends BaseService {
    private final CourseManager manager;
    private final LessonTimeConverter lessonTimeConverter;

    public CourseService(CourseManager manager, LessonTimeConverter lessonTimeConverter) {
        this.manager = manager;
        this.lessonTimeConverter = lessonTimeConverter;
    }

    public ResultVO getPageCount(String departmentName, String teacherName, String name) {
        return result(manager.getPageCount(departmentName, teacherName, name));
    }

    public ResultVO getPage(Integer index, String departmentName, String teacherName, String name) {
        List<CourseItemBO> boList = manager.getPage(index, departmentName, teacherName, name);
        List<CourseItemVO> voList = new ArrayList<>(boList.size());

        for (CourseItemBO bo : boList) {
            CourseItemVO vo = new CourseItemVO();
            BeanUtils.copyProperties(bo, vo);
            vo.setTime(lessonTimeConverter.covertTimePart(bo.getTime()));
            voList.add(vo);
        }

        return result(voList);
    }

    public ResultVO get(Integer id) {
        CourseEntity entity = manager.get(id);
        if (entity == null) {
            return failedResult("课程Id: " + id + "不存在!");
        }

        return result(entity);
    }

    public ResultVO update(CourseEntity entity) {
        CourseEntity origin = manager.get(entity.getId());
        if (origin == null) {
            return failedResult("课程Id: " + entity.getId() + "不存在!");
        }
        if (manager.getTeacherById(entity.getTeacherId()) == null) {
            return failedResult("授课教师Id: " + entity.getTeacherId() + "不存在!");
        }

        entity.setSelectedCount(origin.getSelectedCount());

        manager.update(entity);
        return result("更新成功");
    }

    public ResultVO delete(Integer id) {
        if (manager.get(id) == null) {
            return failedResult("课程Id: " + id + "不存在!");
        }
        if (manager.hasStudentCourse(id)) {
            return failedResult("还有学生未退选此课程");
        }

        manager.delete(id);
        return result("删除成功");
    }

    public ResultVO create(CourseEntity entity) {
        if (manager.get(entity.getId()) != null) {
            return failedResult("课程Id: " + entity.getId() + "已存在!");
        }
        if (manager.getTeacherById(entity.getTeacherId()) == null) {
            return failedResult("授课教师Id: " + entity.getTeacherId() + "不存在!");
        }

        manager.create(entity);
        return result("添加成功");
    }

    public ResultVO listName() {
        return result(manager.listName());
    }
}

package com.rainng.coursesystem.service.admin;

import com.rainng.coursesystem.manager.admin.StudentCourseManager;
import com.rainng.coursesystem.model.entity.CourseEntity;
import com.rainng.coursesystem.model.entity.StudentCourseEntity;
import com.rainng.coursesystem.model.vo.response.ResultVO;
import com.rainng.coursesystem.service.BaseService;
import org.springframework.stereotype.Service;

@Service
public class StudentCourseService extends BaseService {
    private final StudentCourseManager manager;

    public StudentCourseService(StudentCourseManager manager) {
        this.manager = manager;
    }

    public ResultVO getPageCount(String className, String courseName, String studentName) {
        return result(manager.getPageCount(className, courseName, studentName));
    }

    public ResultVO getPage(Integer index, String className, String courseName, String studentName) {
        return result(manager.getPage(index, className, courseName, studentName));
    }

    public ResultVO get(Integer id) {
        StudentCourseEntity entity = manager.get(id);
        if (entity == null) {
            return failedResult("学生选课Id: " + id + "不存在!");
        }

        return result(entity);
    }

    public ResultVO update(StudentCourseEntity entity) {
        StudentCourseEntity originEntity = manager.get(entity.getId());
        if (originEntity == null) {
            return failedResult("学生选课Id: " + entity.getId() + "不存在!");
        }
        if (!originEntity.getCourseId().equals(entity.getCourseId())) {
            return failedResult("课程Id被篡改");
        }
        if (!originEntity.getStudentId().equals(entity.getStudentId())) {
            return failedResult("学生Id被篡改");
        }

        manager.update(entity);
        return result("更新成功");
    }

    public ResultVO delete(Integer id) {
        StudentCourseEntity entity = manager.get(id);
        if (entity == null) {
            return failedResult("学生选课Id: " + id + "不存在!");
        }

        manager.delete(entity);
        return result("删除成功");
    }

    public ResultVO create(StudentCourseEntity entity) {
        if (manager.get(entity.getId()) != null) {
            return failedResult("学生选课Id: " + entity.getId() + "已存在!");
        }
        if (manager.getStudentById(entity.getStudentId()) == null) {
            return failedResult("所属学生Id: " + entity.getStudentId() + "不存在!");
        }
        if (manager.getByCourseIdAndStudentId(entity.getCourseId(), entity.getStudentId()) != null) {
            return failedResult("学生已经选修此课程");
        }
        CourseEntity course = manager.getCourseById(entity.getCourseId());
        if (course == null) {
            return failedResult("所属课程Id: " + entity.getCourseId() + "不存在!");
        }
        if (course.getSelectedCount() >= course.getMaxSize()) {
            return failedResult("课容量已满");
        }
        if (!manager.inSameDepartment(entity.getCourseId(), entity.getStudentId())) {
            return failedResult("课程与学生不在同一教学系");
        }
        if (!course.getGrade().equals(manager.getStudentGradeById(entity.getStudentId()))) {
            return failedResult("课程与学生不在同一年级");
        }

        manager.create(entity);
        return result("添加成功");
    }
}

package com.rainng.coursesystem.service.admin;

import com.rainng.coursesystem.manager.admin.TeacherManager;
import com.rainng.coursesystem.model.entity.TeacherEntity;
import com.rainng.coursesystem.model.vo.response.ResultVO;
import com.rainng.coursesystem.service.BaseService;
import com.rainng.coursesystem.service.UserService;
import org.springframework.stereotype.Service;

@Service
public class TeacherService extends BaseService {
    private final TeacherManager manager;
    private final UserService userService;

    public TeacherService(TeacherManager manager, UserService userService) {
        this.manager = manager;
        this.userService = userService;
    }

    public ResultVO getPageCount(String departmentName, String name) {
        return result(manager.getPageCount(departmentName, name));
    }

    public ResultVO getPage(Integer index, String departmentName, String name) {
        return result(manager.getPage(index, departmentName, name));
    }

    public ResultVO get(Integer id) {
        TeacherEntity entity = manager.get(id);
        if (entity == null) {
            return failedResult("教师Id: " + id + "不存在!");
        }

        entity.setPassword("");

        return result(entity);
    }

    public ResultVO update(TeacherEntity entity) {
        TeacherEntity originEntity = manager.get(entity.getId());
        if (originEntity == null) {
            return failedResult("教师Id: " + entity.getId() + "不存在!");
        }
        if (manager.getDepartmentById(entity.getDepartmentId()) == null) {
            return failedResult("所属系Id: " + entity.getDepartmentId() + "不存在!");
        }

        if (entity.getPassword().equals("")) {
            entity.setPassword(originEntity.getPassword());
        } else {
            entity.setPassword(userService.computePasswordHash(entity.getPassword()));
        }

        manager.update(entity);
        return result("更新成功");
    }

    public ResultVO delete(Integer id) {
        if (manager.get(id) == null) {
            return failedResult("教师Id: " + id + "不存在!");
        }
        if (manager.hasCourse(id)) {
            return failedResult("此教师还有教授的课程未被删除");
        }

        manager.delete(id);
        return result("删除成功");
    }

    public ResultVO create(TeacherEntity entity) {
        if (manager.get(entity.getId()) != null) {
            return failedResult("教师Id: " + entity.getId() + "已存在!");
        }
        if (manager.getDepartmentById(entity.getDepartmentId()) == null) {
            return failedResult("所属系Id: " + entity.getDepartmentId() + "不存在!");
        }

   //     entity.setPassword(userService.computePasswordHash(entity.getPassword()));

        manager.create(entity);
        return result("添加成功");
    }

    public ResultVO listName() {
        return result(manager.listName());
    }
}