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(1)专业管理系统:登录专业管理平台后,管理员能够对专业进行增加、删除、查看、修改等功能。专业信息包含专业名称、所属院系等。
(2)院系管理系统:登录院系管理平台后,可对院系进行增、删、改、查等功能。院系信息包含院系名称。
(3)课程管理系统:登录课程管理平台后,能够通过搜索课程快速检索出相关教师信息以及班级。课程信息包含课程名称、课程描述、所属专业及所属教师。
(4)学生管理系统:登录学生管理系统后,管理员能够查看所查找的学生相关信息对其进行增、删、改、查。学生信息包括学生编号、学生姓名、所属院系、性别、所属专业等。
(5)教师管理系统:登录教师管理平台后,可对教师所教课程进行管理。教师信息包含姓名、工号、所属院系等。同时也可以查看、删除、修改自己的信息。
运行系统:windows
编程语言:java
系统架构:B/S
后端框框:SpringBoot(Spring+SpringMVC+Mybatis)
前端框架:HTML+CSS+JavaScript
前后端分离:否
数据库:MySQL
Maven项目:是
数据库表数量:9
运行环境:JDK8+MySQL5.6+Maven3.6+idea
java基于的springboot学生选课系统,
5、代码示例
- package com.yht.controller;
-
- import com.yht.entity.ClassEntity;
- import com.yht.entity.Curriculum;
- import com.yht.entity.Student;
- import com.yht.entity.Teacher;
- import com.yht.service.IClassService;
- import com.yht.service.ICurriculumService;
- import com.yht.service.IStudentService;
- import com.yht.service.ITeacherService;
- import org.springframework.beans.factory.annotation.Autowired;
- import org.springframework.stereotype.Controller;
- import org.springframework.web.bind.annotation.RequestMapping;
- import org.springframework.web.bind.annotation.RestController;
-
- import java.util.ArrayList;
- import java.util.HashMap;
- import java.util.List;
- import java.util.Map;
-
- @RestController
- public class AnalysisController {
- @Autowired
- private IStudentService studentService;
- @Autowired
- private ITeacherService teacherService;
- @Autowired
- private ICurriculumService curriculumService;
- @Autowired
- private IClassService classService;
-
- /**
- * 学生的选课数量
- * @param id
- * @return
- */
- @RequestMapping("/studentCount")
- public Map<String, Object> getData(Integer id){
- //先查到所有学生,再查到所有学生的选课数,最后添加到map
- List<Student> studentList = studentService.selectAll();
- for(Student student :studentList){
- List<String> stringList = studentService.selectClassCount(student.getStuNo());
- student.setClassCount(stringList.size());
- }
- Map<String, Object> map = new HashMap<>();
- //names:学生姓名,counts:学生选课数
- String[] names = new String[studentList.size()];
- int[] counts = new int[studentList.size()];
- int i = 0;
- //存入数据
- for(Student student :studentList){
- names[i] = student.getName();
- counts[i] = student.getClassCount();
- i++;
- }
- map.put("names", names);
- map.put("counts", counts);
- return map;
- }
-
- /**
- * 学生的年龄范围
- * @param id
- * @return
- */
- @RequestMapping("/studentAge")
- public Map<String, Object> getData2(Integer id){
- List<Student> studentList = studentService.selectAll();
- List<Integer> list = new ArrayList<>();
- Map<String, Object> map = new HashMap<>();
- for(Student student :studentList){
- String birth = student.getBirth().substring(0,4);
- int val = 2021 - Integer.parseInt(birth);
- list.add(val);
- }
- String[] ageRanges = new String[4];
- ageRanges[0] = "18岁以下";
- ageRanges[1] = "18岁到24岁";
- ageRanges[2] = "24岁到30岁";
- ageRanges[3] = "30岁以上";
- int[] ageCounts = new int[4];
- for(int i : list){
- if(i < 18){
- ageCounts[0] += 1;
- }else if(i >=18 && i < 24){
- ageCounts[1] += 1;
- }else if(i >=24 && i < 30){
- ageCounts[2] += 1;
- }else if(i >= 30){
- ageCounts[3] += 1;
- }
- }
- map.put("ageRanges", ageRanges);
- map.put("ageCounts", ageCounts);
- return map;
- }
-
- /**
- * 老师代课数量
- * @return
- */
- @RequestMapping("/takeClassCount")
- public Map<String, Object> takeClassCount(){
- List<Teacher> teacherList = teacherService.selectAll();
- for(Teacher teacher : teacherList){
- teacher.setClassCount(curriculumService.selectByTeacherNo(teacher.getTeacherNo()).size());
- }
- String[] names = new String[teacherList.size()];
- int[] counts = new int[teacherList.size()];
- int i = 0;
- for(Teacher teacher :teacherList){
- names[i] = teacher.getName();
- counts[i] = teacher.getClassCount();
- i++;
- }
- Map<String, Object> map = new HashMap<>();
- map.put("names", names);
- map.put("counts", counts);
- return map;
- }
-
- /**
- * 教师的年龄范围
- * @return
- */
- @RequestMapping("/teacherAge")
- public Map<String, Object> teacherAge(){
- List<Teacher> teacherList = teacherService.selectAll();
- Map<String, Object> map = new HashMap<>();
- String[] ageRanges = new String[4];
- ageRanges[0] = "30岁以下";
- ageRanges[1] = "30岁到40岁";
- ageRanges[2] = "40岁到55岁";
- ageRanges[3] = "55岁以上";
- int[] ageCounts = new int[4];
- for(Teacher teacher : teacherList){
- if(teacher.getAge() < 30){
- ageCounts[0] += 1;
- }else if(teacher.getAge() >=30 && teacher.getAge() < 40){
- ageCounts[1] += 1;
- }else if(teacher.getAge() >=40 && teacher.getAge() < 55){
- ageCounts[2] += 1;
- }else if(teacher.getAge() >= 55){
- ageCounts[3] += 1;
- }
- }
- map.put("ageRanges", ageRanges);
- map.put("ageCounts", ageCounts);
- return map;
- }
-
- /**
- * 课程等级
- * @return
- */
- @RequestMapping("/curriculumGrade")
- public Map<String, Object> curriculumGrade(){
- List<Curriculum> curriculumList = curriculumService.selectAll();
- String[] names = new String[curriculumList.size()];
- int[] grades = new int[curriculumList.size()];
- int i = 0;
- for(Curriculum curriculum :curriculumList){
- names[i] = curriculum.getClassName();
- grades[i] = curriculum.getClassGrade();
- i++;
- }
- Map<String, Object> map = new HashMap<>();
- map.put("names", names);
- map.put("grades", grades);
- return map;
- }
-
- /**
- * 课程课时
- * @return
- */
- @RequestMapping("/curriculumTime")
- public Map<String, Object> curriculumTime(){
- List<Curriculum> curriculumList = curriculumService.selectAll();
- Map<Integer, Integer> myMap = new HashMap<>();
- for(Curriculum curriculum : curriculumList){
- if(myMap.containsKey(curriculum.getClassHour())){
- myMap.put(curriculum.getClassHour(), myMap.get(curriculum.getClassHour())+1);
- }else{
- myMap.put(curriculum.getClassHour(), 1);
- }
- }
- System.out.println(myMap);
- int[] hours = new int[myMap.size()];
- int[] counts = new int[myMap.size()];
- int i = 0;
- for (Map.Entry<Integer, Integer> entry : myMap.entrySet()) {
- hours[i] = entry.getKey();
- counts[i] = entry.getValue();
- i++;
- }
- Map<String, Object> map = new HashMap<>();
- map.put("hours", hours);
- map.put("counts", counts);
- return map;
- }
-
- /**
- * 班级等级
- * @return
- */
- @RequestMapping("/classGrade")
- public Map<String, Object> classGrade(){
- List<ClassEntity> classEntityList = classService.selectAll();
- String[] names = new String[classEntityList.size()];
- int[] grades = new int[classEntityList.size()];
- int i = 0;
- for(ClassEntity classEntity :classEntityList){
- names[i] = classEntity.getMajor();
- grades[i] = classEntity.getClassGrade();
- i++;
- }
- Map<String, Object> map = new HashMap<>();
- map.put("names", names);
- map.put("grades", grades);
- return map;
- }
-
- /**
- * 班级人数
- * @return
- */
- @RequestMapping("/classCount")
- public Map<String, Object> classCount(){
- List<ClassEntity> classEntityList = classService.selectAll();
- for(ClassEntity classEntity : classEntityList){
- classEntity.setStuCount(studentService.selectByCondition("","", classEntity.getClassNo()).size());
- }
- String[] names = new String[classEntityList.size()];
- int[] counts = new int[classEntityList.size()];
- int i = 0;
- for(ClassEntity classEntity :classEntityList){
- names[i] = classEntity.getMajor();
- counts[i] = classEntity.getStuCount();
- i++;
- }
- Map<String, Object> map = new HashMap<>();
- map.put("names", names);
- map.put("counts", counts);
- return map;
- }
- }
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