service层

AnswerService

package com.example.academicadministration.service;

import com.example.academicadministration.dao.AnswerDao;
import com.example.academicadministration.pojo.Answer;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@Service
public class AnswerService  {
    @Autowired
    private AnswerDao answerDao;
    public Boolean addAnswer(Answer answer) {
        return answerDao.addAnswer(answer)>0;
    }

    public Boolean updateAnswer(Answer answer) {
        return answerDao.updateAnswer(answer)>0;
    }

    public Boolean updateScore(Answer answer) {
        return answerDao.updateScore(answer)>0;
    }
    public Boolean deleteAnswer(String stuid,String homeworkid){
        return answerDao.deleteAnswer(stuid,homeworkid)>0;
    }

    public Answer myAnswer(String stuid,String homeworkid) {
        return answerDao.myAnswer(stuid,homeworkid);
    }
}

CourseService

package com.example.academicadministration.service;

import com.example.academicadministration.dao.CourseDao;
import com.example.academicadministration.pojo.Course;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class CourseService {
    @Autowired
    private CourseDao courseDao;
    public Boolean addCourse(Course course) {
        return courseDao.addCourse(course)>0;
    }

    public Boolean deleteCourse(String courseid) {


        return courseDao.deleteCourse(courseid)>0;
    }

    public List<Course> browseCourse(String condition) {
        return courseDao.browseCourse(condition);
    }
    public List<Course> myCourse(String stuid){
        return courseDao.myCourse(stuid);
    }
    public List<Course> TmyCourse(String teaid){
        return courseDao.TmyCourse(teaid);
    }
    public Boolean checkTeacher(String courseid,String teaid){return !courseDao.checkTeacher(courseid,teaid).isEmpty();}
    public Boolean addTeacherCourse(String teaid,String courseid){
        return courseDao.addTeacherCourse(teaid,courseid)>0;
    }
    public Boolean deleteTeacherCourse(String teaid,String courseid){
        return courseDao.deleteTeacherCourse(teaid,courseid)>0;
    }
    public Boolean addStudentCourse(String stuid,String courseid){
        return courseDao.addStudentCourse(stuid,courseid)>0;
    }
    public Boolean deleteStudentCourse(String stuid,String courseid){
        return courseDao.deleteStudentCourse(stuid,courseid)>0;
    }
    public Boolean addNum(String courseid){
        return courseDao.addNum(courseid)>0;
    }
    public Boolean deleteNum(String courseid){
        return courseDao.deleteNum(courseid)>0;
    }
    public String browseScore(String stuid,String courseid){
        return courseDao.browseScore(stuid,courseid);
    }
    public Boolean updateScore(String coursescore,String stuid,String courseid){
        return courseDao.updateScore(coursescore,stuid,courseid)>0;
    }
}

HomeworkService

package com.example.academicadministration.service;

import com.example.academicadministration.dao.HomeworkDao;
import com.example.academicadministration.pojo.Homework;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class HomeworkService {
    @Autowired
    private HomeworkDao homeworkDao;
    public Boolean addHomework(Homework homework) {
        return homeworkDao.addHomework(homework)>0;
    }

    public Boolean deleteHomework(String homeworkid) {
        return homeworkDao.deleteHomework(homeworkid)>0;
    }

    public List<Homework> browseHomeworkAll(String courseid) {
        return homeworkDao.browseHomeworkAll(courseid);
    }

    public List<Homework> browseHomework1(String courseid) {
        return homeworkDao.browseHomework1(courseid);
    }

    public List<Homework> browseHomework2(String courseid) {
        return homeworkDao.browseHomework2(courseid);
    }
}

MangerService

package com.example.academicadministration.service;

import com.example.academicadministration.dao.MangerDao;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class MangerService {
    @Autowired
    private MangerDao mangerDao;
    public String login(String id){
        return mangerDao.login(id);
    }

    public boolean reset(String mangerid,String oldpwd, String newpwd1) {
        return mangerDao.reset(mangerid,oldpwd,newpwd1)>0;
    }
}

StudentService

package com.example.academicadministration.service;

import com.example.academicadministration.dao.StudentDao;
import com.example.academicadministration.pojo.Course;
import com.example.academicadministration.pojo.Homework;
import com.example.academicadministration.pojo.Student;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class StudentService {
    @Autowired
    private StudentDao studentDao;
    @Autowired
    private CourseService courseService;
    @Autowired
    private HomeworkService homeworkService;
    @Autowired
    private AnswerService answerService;
    public Boolean addStudent(Student student){
        return studentDao.addStudent(student)>0;
    }
    public Boolean deleteStudent(String stuid){
        List<Course> courses=courseService.myCourse(stuid);
        for (Course i:courses){
            courseService.deleteNum(String.valueOf(i.getCourseid()));
            courseService.deleteStudentCourse(stuid, String.valueOf(i.getCourseid()));
            List<Homework> homework=homeworkService.browseHomeworkAll(String.valueOf(i.getCourseid()));
            for (Homework j:homework){
                answerService.deleteAnswer(stuid, String.valueOf(j.getHomeworkid()));
            }
        }
        return studentDao.deleteStudent(stuid)>0;
    }
    public Boolean auditStudent(String stuid){
        return studentDao.auditStudent(stuid)>0;
    }
    public Boolean  inauditStudent(String stuid){
        return studentDao.inauditStudent(stuid)>0;
    }
    public Boolean reset(String stuid,String stupwd,String newpwd){
        return studentDao.reset(stuid,stupwd,newpwd)>0;
    }
    public  List<Student> browseStudent(String condition){
        return studentDao.browseStudent(condition);
    }
    public List<Student> myStudent(String courseid){
        return studentDao.myStudent(courseid);
    }
}

TeacherService

package com.example.academicadministration.service;

import com.example.academicadministration.dao.TeacherDao;
import com.example.academicadministration.pojo.Course;
import com.example.academicadministration.pojo.Teacher;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class TeacherService {
    @Autowired
    private TeacherDao teacherDao;
    @Autowired
    private CourseService courseService;
    public Boolean addTeacher(Teacher teacher){
        return teacherDao.addTeacher(teacher)>0;
    }
    public Boolean deleteTeacher(String teaid){
        List< Course> courses=courseService.TmyCourse(teaid);
        for(Course i:courses){
            courseService.deleteTeacherCourse(teaid, String.valueOf(i.getCourseid()));
        }
        return teacherDao.deleteTeacher(teaid)>0;
    }
    public Boolean  auditTeacher(String teaid){
        return teacherDao.auditTeacher(teaid)>0;
    }
    public Boolean inauditTeacher(String teaid){
        return teacherDao.inauditTeacher(teaid)>0;
    }
    public Boolean reset(String teaid,String teapwd,String newpwd){
        return teacherDao.reset(teaid,teapwd,newpwd)>0;
    }
    public List<Teacher> browseTeacher(String condition){
        return teacherDao.browseTeacher(condition);
    }

}

VideoService

package com.example.academicadministration.service;

import com.example.academicadministration.dao.VideoDao;
import com.example.academicadministration.pojo.Video;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.File;
import java.util.List;
@Service
public class VideoService  {
    @Autowired
    private VideoDao videoDao;
    public Boolean addVideo(Video video) {
        return videoDao.addVideo(video)>0;
    }

    public Boolean deleteVideo(String videoid) {
        List<Video> videoList=browseVideo("%%");
        for(Video i:videoList){
            if(videoid.equals(String.valueOf(i.getVideoid()))){
                new File("D:\\JavaProject\\AcademicAdministration\\src\\main\\resources\\static\\video\\"+i.getVideofile()).delete();
            }
        }
        return videoDao.deleteVideo(videoid)>0;
    }

    public List<Video> browseVideo(String condition) {
        return videoDao.browseVideo(condition);
    }

}