班级信息管理系统

阅读量：

一、环境配置

软件依赖

Srping boot 框架依赖项

二、实体类

Teacher 类

Student类

Classes类

三、Repository层

四、Service

ClassesService

ClassesServiceImp

StudentService

StudentServiceImp

TeacherService

TeacherServiceImp

五、Controller层

ClassesController

StudentController

TeacherController

indexController

六、前端网页设计(teacher类为例)

index_teacher

new_teacher

update_teacher

Index

一、环境配置

软件依赖

Idea
JDK20
Mysql8.0
bootstrap

Spring boot 框架依赖项

Lombok
Spring Boot
DevToolsSpring Web
Thymeleaf
Spring Data

JPAMySQL Driver

二、实体类

在Java中，在MySQL中可以通过一个类来存储元数据，在MySQL中每一条记录则由该对象中的属性值表示。使用@Entity将该类注册为实体类实现对数据库相应字段的映射关系，并通过使用 mapper 的 @Table注解来指定与数据库的关系

Teacher类

复制代码

 @Data

    
 @Entity
    
 @Table(name = "tb_teacher")
    
 public class Teacher {
    
     @GeneratedValue(strategy = GenerationType.IDENTITY)
    
     @Id
    
     private long teaId;
    
     @Column
    
     private String teaName;
    
     @Column
    
     private String gender;
    
     @Column
    
     private String birth;
    
     @Column
    
     private String position;
    
  
    
     @Override
    
     public String toString() {
    
     return teaName;
    
     }
    
 }

Student类

复制代码

 @Data

    
 @Proxy(lazy = false)
    
 @Entity
    
 @Table(name = "tb_student")
    
 public class Student {
    
     @GeneratedValue(strategy = GenerationType.IDENTITY)
    
     @Id
    
     private long stuId;
    
     @Column
    
     private String className;
    
     @Column
    
     private String name;
    
     @Column
    
     private String gender;
    
     @Column
    
     private String birth;
    
 }

Classes类

复制代码

 @Data

    
 @Entity
    
 @Table(name = "tb_classes")
    
 public class Classes {
    
     @GeneratedValue(strategy = GenerationType.IDENTITY)
    
     @Id
    
     private long classId;
    
     @Column
    
     private String className;
    
     @Column
    
     private String teacher;
    
     @Override
    
     public String toString() {
    
     return className;}
    
 }

三、Repository层

repository被称为数据仓库。它位于业务层与数据层之间，并实现了对这两者的分离。该系统整合了相关的查询与存储功能，并增强了各层次之间的解耦能力。值得注意的是，在此过程中更换、升级ORM引擎不会对现有业务逻辑产生任何影响。以下将展示三个实体的具体接口配置情况。

复制代码

 //Classes

    
 public interface ClassesRepository extends JpaRepository<Classes,Long>{}
    
 //Student
    
 public interface StudentRepository extends JpaRepository<Student,Long> {
    
     List<Student> findAllByName(String name);
    
 }
    
 //Teacher
    
 public interface TeacherRepository extends JpaRepository<Teacher,Long> {
    
     List<Teacher> findAllByTeaName(String name);
    
 }

四、Service

服务层的主要职责在于将控制器接收的请求转换为具体的业务操作，并协同完成数据存储与访问的相关操作。此外，在业务流程中还有一些需要逻辑判断和计算的部分。在设计过程中，默认的做法是分阶段实施：首先明确各实体类的功能规范，在相应的接口方法中进行详细定义；然后逐步细化到具体的业务功能实现步骤：第一阶段先完成各实体类之间的交互关系搭建；第二阶段则针对每一步骤中的具体业务需求进行代码编写

ClassesService

复制代码

 public interface ClassesService {

    
     List<Classes> getAllClasses();
    
     void saveClasses(Classes classes);
    
     Classes getClassesById(long id);
    
     void deleteClassesById(long id);
    
     Page<Classes> findPaginated(int pageNo, int pageSize, String sortField, String sortDirection);
    
 }

ClassesServiceImp

复制代码

 @Service

    
 public class ClassesServiceImp implements ClassesService {
    
     @Autowired
    
     private ClassesRepository classesRepository;
    
     @Override
    
     public List<Classes> getAllClasses() {
    
     return classesRepository.findAll();
    
     }
    
  
    
     @Override
    
     public void saveClasses(Classes classes) {
    
     classesRepository.save(classes);
    
     }
    
  
    
     @Override
    
     public Classes getClassesById(long id) {
    
     Optional<Classes> optional = classesRepository.findById(id);
    
     Classes classes;
    
     if (optional.isPresent()) {
    
         classes = optional.get();
    
     } else {
    
         throw new RuntimeException(" 找不到班级ID :: " + id);
    
     }
    
     return classes;
    
     }
    
  
    
     @Override
    
     public void deleteClassesById(long id) {
    
     classesRepository.deleteById(id);
    
     }
    
  
    
     @Override
    
     public Page<Classes> findPaginated(int pageNo, int pageSize, String sortField, String sortDirection) {
    
     Sort sort = sortDirection.equalsIgnoreCase(Sort.Direction.ASC.name())
    
             ? Sort.by(sortField).ascending()
    
             : Sort.by(sortField).descending();
    
     Pageable pageable = PageRequest.of(pageNo - 1, pageSize, sort);
    
     return this.classesRepository.findAll(pageable);
    
     }
    
 }

StudentService

复制代码

 public interface StudentService {

    
     List<Student> getAllStudent();
    
     void saveStudent(Student student);
    
     Student getStudentById(long id);
    
     void deleteStudentById(long id);
    
     List<Student> findAllByName(String name);
    
     Page<Student> findPaginated(int pageNo, int pageSize, String sortField, String sortDirection);
    
 }

StudentServiceImp

复制代码

 @Service

    
 public class StudentServiceImp implements StudentService {
    
     @Autowired
    
     private StudentRepository studentRepository;
    
     @Override
    
     public List<Student> getAllStudent() {
    
     return studentRepository.findAll();
    
     }
    
  
    
     @Override
    
     public void saveStudent(Student Student) {
    
     studentRepository.save(Student);
    
     }
    
  
    
     @Override
    
     public Student getStudentById(long id) {
    
     Optional<Student> optional = studentRepository.findById(id);
    
     Student student;
    
     if (optional.isPresent()) {
    
         student = optional.get();
    
     } else {
    
         throw new RuntimeException(" 找不到学生ID :: " + id);
    
     }
    
     return student;
    
     }
    
  
    
     @Override
    
     public void deleteStudentById(long id) {
    
     studentRepository.deleteById(id);
    
     }
    
  
    
     @Override
    
     public List<Student> findAllByName(String name) {
    
     return studentRepository.findAllByName(name);
    
     }
    
  
    
     @Override
    
     public Page<Student> findPaginated(int pageNo, int pageSize, String sortField, String sortDirection) {
    
     Sort sort = sortDirection.equalsIgnoreCase(Sort.Direction.ASC.name())
    
             ? Sort.by(sortField).ascending()
    
             : Sort.by(sortField).descending();
    
     Pageable pageable = PageRequest.of(pageNo - 1, pageSize, sort);
    
     return this.studentRepository.findAll(pageable);
    
     }
    
 }

TeacherService

复制代码

 public interface TeacherService {

    
     List<Teacher> getAllTeacher();
    
     void saveTeacher(Teacher teacher);
    
     Teacher getTeacherById(long id);
    
     void deleteTeacherById(long id);
    
     List<Teacher> findAllByTeaName(String name);
    
     Page<Teacher> findPaginated(int pageNo, int pageSize, String sortField, String sortDirection);
    
 }

TeacherServiceImp

复制代码

 @Service

    
 public class TeacherServiceImp implements TeacherService {
    
     @Autowired
    
     private TeacherRepository teacherRepository;
    
     @Override
    
     public List<Teacher> getAllTeacher() {
    
     return teacherRepository.findAll();
    
     }
    
  
    
     @Override
    
     public void saveTeacher(Teacher teacher) {
    
     teacherRepository.save(teacher);
    
     }
    
  
    
     @Override
    
     public Teacher getTeacherById(long id) {
    
     Optional< Teacher > optional = teacherRepository.findById(id);
    
     Teacher teacher;
    
     if (optional.isPresent()) {
    
         teacher = optional.get();
    
     } else {
    
         throw new RuntimeException(" 找不到老师ID :: " + id);
    
     }
    
     return teacher;
    
     }
    
  
    
     @Override
    
     public void deleteTeacherById(long id) {
    
     teacherRepository.deleteById(id);
    
     }
    
  
    
     @Override
    
     public List<Teacher> findAllByTeaName(String name) {
    
     return teacherRepository.findAllByTeaName(name);
    
     }
    
  
    
     @Override
    
     public Page<Teacher> findPaginated(int pageNo, int pageSize, String sortField, String sortDirection) {
    
     Sort sort = sortDirection.equalsIgnoreCase(Sort.Direction.ASC.name())
    
             ? Sort.by(sortField).ascending()
    
             : Sort.by(sortField).descending();
    
     Pageable pageable = PageRequest.of(pageNo - 1, pageSize, sort);
    
     return this.teacherRepository.findAll(pageable);
    
     }
    
 }

五、Controller层

在HTTP请求中提取相关信息，并对其中的参数进行解析和筛选后分配至各个处理服务（service层），随后将这些参数按需求分配至各个处理服务（service层），并将处理后的结果返回给前端界面。

ClassesController

复制代码

 @Controller

    
 public class ClassesController {
    
     @Autowired
    
     private ClassesService classesService;
    
     @GetMapping("/class")
    
     public String viewHomePage(Model model) {
    
     return this.findPaginated(1, "className", "asc", model);
    
     }
    
  
    
     @GetMapping("/NewClassesForm")
    
     public String NewClassesForm(Model model) {
    
     Classes classes = new Classes();
    
     model.addAttribute("classes", classes);
    
     return "new_classes";
    
     }
    
  
    
     @PostMapping("/saveClasses")
    
     public String saveClasses(@ModelAttribute("classes") Classes classes) {
    
     classesService.saveClasses(classes);
    
     return "redirect:/class";
    
     }
    
  
    
     @GetMapping("/classFormForUpdate/{id}")
    
     public String FormForUpdate(@PathVariable(value = "id") long id, Model model) {
    
     Classes classes = classesService.getClassesById(id);
    
     model.addAttribute("classes", classes);
    
     return "update_classes";
    
     }
    
  
    
     @GetMapping("/deleteClasses/{id}")
    
     public String deleteClasses(@PathVariable(value = "id") long id) {
    
     classesService.deleteClassesById(id);
    
     return "redirect:/class";
    
     }
    
  
    
     //获取分页数据
    
     @GetMapping("/classpage/{pageNo}")
    
     public String findPaginated(@PathVariable (value = "pageNo") int pageNo,
    
                             @RequestParam("sortField") String sortField,
    
                             @RequestParam("sortDir") String sortDir,
    
                             Model model) {
    
     int pageSize = 10;
    
     Page<Classes> page = classesService.findPaginated(pageNo, pageSize, sortField, sortDir);
    
     List<Classes> listClasses = page.getContent();
    
  
    
     model.addAttribute("currentPage", pageNo);
    
     model.addAttribute("totalPages", page.getTotalPages());
    
     model.addAttribute("totalItems", page.getTotalElements());
    
  
    
     model.addAttribute("sortField", sortField);
    
     model.addAttribute("sortDir", sortDir);
    
     model.addAttribute("reverseSortDir", sortDir.equals("asc") ? "desc" : "asc");
    
  
    
     model.addAttribute("listClasses", listClasses);
    
     return "index_classes";
    
     }
    
 }

StudentController

复制代码

 @Controller

    
 public class StudentController {
    
     @Autowired
    
     private StudentService studentService;
    
     @GetMapping("/student")
    
     public String viewHomePage(Model model) {
    
     return this.findPaginated(1, "name", "asc", model);
    
     }
    
  
    
     @GetMapping("/NewStudentForm")
    
     public String NewStudentForm(Model model) {
    
     Student student = new Student();
    
     model.addAttribute("student", student);
    
     return "new_student";
    
     }
    
  
    
     @PostMapping("/saveStudent")
    
     public String saveStudent(@ModelAttribute("student") Student student) {
    
     studentService.saveStudent(student);
    
     return "redirect:/student";
    
     }
    
  
    
     @GetMapping("/studentFormForUpdate/{id}")
    
     public String FormForUpdate(@PathVariable(value = "id") long id, Model model) {
    
     Student student = studentService.getStudentById(id);
    
     model.addAttribute("student", student);
    
     return "update_student";
    
     }
    
  
    
     @GetMapping("/deleteStudent/{id}")
    
     public String deleteStudent(@PathVariable(value = "id") long id) {
    
     studentService.deleteStudentById(id);
    
     return "redirect:/student";
    
     }
    
     @GetMapping("/queryStudent{newname}")
    
     public String query(@PathVariable(value = "newname") String name, Model model) {
    
     List<Student> listStudent = studentService.findAllByName(name);
    
     model.addAttribute("listStudent", listStudent);
    
     return "index_student";
    
     }
    
  
    
     //获取分页数据
    
     @GetMapping("/studentpage/{pageNo}")
    
     public String findPaginated(@PathVariable (value = "pageNo") int pageNo,
    
                             @RequestParam("sortField") String sortField,
    
                             @RequestParam("sortDir") String sortDir,
    
                             Model model) {
    
     int pageSize = 10;
    
     Page<Student> page = studentService.findPaginated(pageNo, pageSize, sortField, sortDir);
    
     List<Student> listStudent = page.getContent();
    
  
    
     model.addAttribute("currentPage", pageNo);
    
     model.addAttribute("totalPages", page.getTotalPages());
    
     model.addAttribute("totalItems", page.getTotalElements());
    
  
    
     model.addAttribute("sortField", sortField);
    
     model.addAttribute("sortDir", sortDir);
    
     model.addAttribute("reverseSortDir", sortDir.equals("asc") ? "desc" : "asc");
    
  
    
     model.addAttribute("listStudent", listStudent);
    
     return "index_student";
    
     }
    
 }

TeacherController

复制代码

 @Controller

    
 public class TeacherController {
    
     @Autowired
    
     private TeacherService teacherService;
    
     @GetMapping("/")
    
     public String index(){
    
     return "index";
    
     }
    
     @GetMapping("/teacher")
    
     public String viewHomePage(Model model) {
    
     return this.findPaginated(1, "teaName", "asc", model);
    
     }
    
  
    
     @GetMapping("/NewTeacherForm")
    
     public String NewTeacherForm(Model model) {
    
     Teacher teacher = new Teacher();
    
     model.addAttribute("teacher", teacher);
    
     return "new_teacher";
    
     }
    
  
    
     @PostMapping("/saveTeacher")
    
     public String saveTeacher(@ModelAttribute("teacher") Teacher teacher) {
    
     teacherService.saveTeacher(teacher);
    
     return "redirect:/teacher";
    
     }
    
  
    
     @GetMapping("/teacherFormForUpdate/{id}")
    
     public String FormForUpdate(@PathVariable(value = "id") long id, Model model) {
    
     Teacher teacher = teacherService.getTeacherById(id);
    
     model.addAttribute("teacher", teacher);
    
     return "update_teacher";
    
     }
    
  
    
     @GetMapping("/deleteTeacher/{id}")
    
     public String deleteStudent(@PathVariable(value = "id") long id) {
    
     teacherService.deleteTeacherById(id);
    
     return "redirect:/teacher";
    
     }
    
     @GetMapping("/queryTeacher{newname}")
    
     public String query(@PathVariable(value = "newname") String newname, Model model) {
    
     List<Teacher> listTeacher = teacherService.findAllByTeaName(newname);
    
     model.addAttribute("listTeacher", listTeacher);
    
     return "index_teacher";
    
     }
    
  
    
     //获取分页数据
    
     @GetMapping("/teacherpage/{pageNo}")
    
     public String findPaginated(@PathVariable (value = "pageNo") int pageNo,
    
                             @RequestParam("sortField") String sortField,
    
                             @RequestParam("sortDir") String sortDir,
    
                             Model model) {
    
     int pageSize = 10;
    
     Page<Teacher> page = teacherService.findPaginated(pageNo, pageSize, sortField, sortDir);
    
     List<Teacher> listTeacher = page.getContent();
    
  
    
     model.addAttribute("currentPage", pageNo);
    
     model.addAttribute("totalPages", page.getTotalPages());
    
     model.addAttribute("totalItems", page.getTotalElements());
    
  
    
     model.addAttribute("sortField", sortField);
    
     model.addAttribute("sortDir", sortDir);
    
     model.addAttribute("reverseSortDir", sortDir.equals("asc") ? "desc" : "asc");
    
  
    
     model.addAttribute("listTeacher", listTeacher);
    
     return "index_teacher";
    
     }
    
 }

indexController

复制代码

 //用于处理通用请求。

    
 @Controller
    
 public class indexController {
    
     @GetMapping("/bootstrap.min.css")
    
     public String css(){
    
     return "bootstrap.min.css";
    
     }
    
     @GetMapping("/hello")
    
     public String hello(){
    
     return "hello";
    
     }
    
 }

六、前端网页设计(teacher类为例)

index_teacher

用于查询，展示teacher表的数据。

复制代码

 <!DOCTYPE html>

    
 <html lang="en" xmlns:th="http://www.thymeleaf.org">
    
 <head>
    
     <meta charset="UTF-8">
    
     <title>...</title>
    
     <link rel="stylesheet" href="http://127.0.0.1:8080/bootstrap.min.css" >
    
 </head>
    
 <body>
    
 <div class="my-1">
    
     <!-- <a th:href = "@{/NewTeacherForm}" class="btn btn-primary btn-sm mb-3"> Add teacher </a> -->
    
     <nav class="navbar navbar-light bg-light">
    
     <form id="query-form" action="/queryTeacher" method="get">
    
         <h6 class="text-secondary">查询名字</h6><input type="text" id="name-input" name="teaName" placeholder="名字">
    
         <button type="button" class="btn btn-info"onclick="queryBookstore()">搜索</button>
    
     </form>
    
     <script>
    
         function queryBookstore() {
    
             var teacher = document.getElementById("name-input").value;
    
             var url = "/queryTeacher" + encodeURIComponent(teacher);
    
             window.location.href = url;
    
         }
    
     </script>
    
     </nav>
    
     <table border="1" class = "table table-striped table-responsive-md">
    
     <thead>
    
     <tr>
    
         <th>
    
             <a th:href="@{'/studentpage/' + ${currentPage} + '?sortField=teaName&sortDir=' + ${reverseSortDir}}">
    
                 名字</a>
    
         </th>
    
         <th>
    
             <a th:href="@{'/studentpage/' + ${currentPage} + '?sortField=position&sortDir=' + ${reverseSortDir}}">
    
                 职称</a>
    
         </th>
    
         <th>
    
             <a th:href="@{'/studentpage/' + ${currentPage} + '?sortField=gender&sortDir=' + ${reverseSortDir}}">
    
                 性别</a>
    
         </th>
    
         <th>
    
             <a th:href="@{'/studentpage/' + ${currentPage} + '?sortField=birth&sortDir=' + ${reverseSortDir}}">
    
                 出生日期</a>
    
         </th>
    
         <th> 操作 </th>
    
     </tr>
    
     </thead>
    
     <tbody>
    
     <tr th:each="Teacher : ${listTeacher}">
    
         <td th:text="${Teacher.teaName}"></td>
    
         <td th:text="${Teacher.position}"></td>
    
         <td th:text="${Teacher.gender}"></td>
    
         <td th:text="${Teacher.birth}"></td>
    
         <td> <a th:href="@{/teacherFormForUpdate/{id}(id=${Teacher.teaId})}" class="btn btn-primary">编辑</a>
    
             <a th:href="@{/deleteTeacher/{id}(id=${Teacher.teaId})}" class="btn btn-danger">删除</a>
    
         </td>
    
     </tr>
    
     </tbody>
    
     </table>
    
     <div th:if = "${totalPages > 1}">
    
     <div class = "row col-sm-10">
    
         <div class = "col-sm-3">
    
             Total Rows: [[${totalItems}]]
    
         </div>
    
         <div class = "col-sm-5">
    
            <span th:each="i: ${#numbers.sequence(1, totalPages)}">
    
               <a th:if="${currentPage != i}" th:href="@{'/classpage/' + ${i}+ '?sortField=' + ${sortField} + '&sortDir=' + ${sortDir}}">[[${i}]]</a>
    
               <span th:unless="${currentPage != i}">[[${i}]]</span>  &nbsp; &nbsp;
    
            </span>
    
         </div>
    
         <div class = "col-sm-1">
    
             <a th:if="${currentPage < totalPages}" th:href="@{'/classpage/' + ${currentPage + 1}+ '?sortField=' + ${sortField} + '&sortDir=' + ${sortDir}}">Next</a>
    
             <span th:unless="${currentPage < totalPages}">Next</span>
    
         </div>
    
  
    
         <div class="col-sm-1">
    
             <a th:if="${currentPage < totalPages}" th:href="@{'/classpage/' + ${totalPages}+ '?sortField=' + ${sortField} + '&sortDir=' + ${sortDir}}">Last</a>
    
             <span th:unless="${currentPage < totalPages}">Last</span>
    
         </div>
    
     </div>
    
     </div>
    
 </div>
    
 </body>
    
 </html>

new_teacher

用于创建表单信息传回后端，后端处理后存入数据库。

复制代码

 <!DOCTYPE html>

    
 <html lang="en">
    
 <head>
    
     <meta charset="UTF-8">
    
     <title>...</title>
    
     <link rel="stylesheet" href="http://127.0.0.1:8080/bootstrap.min.css" >
    
 </head>
    
     <body>
    
     <div>
    
     <h2>创建老师信息</h2>
    
     <form action="#" th:action="@{/saveTeacher}" th:object="${teacher}" method="POST">
    
         <input type="text" th:field="*{teaName}" placeholder="姓名" class="form-control mb-4 col-4" required="required">
    
  
    
         <input type="text" th:field="*{position}" placeholder="职称" class="form-control mb-4 col-4" required="required">
    
  
    
         <input type="date" th:field="*{birth}" placeholder="出生日期" class="form-control mb-4 col-4" required="required">
    
  
    
         <select type="text" th:field="*{gender}" placeholder="性别" class="form-control mb-4 col-1" required="required">
    
             <option selected value="男">男</option>
    
             <option value="女">女</option>
    
         </select>
    
         <button type="submit" class="btn btn-info col-2"> 提交 </button>
    
     </form>
    
     <hr>
    
     <a th:href="@{/student}"> 返回学生信息页 </a>
    
     </div>
    
     </body>
    
 </html>

update_teacher

向后端请求数据，前端修改后重新传回后端处理。

复制代码

 <!DOCTYPE html>

    
 <html lang="en">
    
 <head>
    
     <meta charset="UTF-8">
    
     <title>...</title>
    
     <link rel="stylesheet" href="http://127.0.0.1:8080/bootstrap.min.css" >
    
    </head>
    
 <body>
    
 <div >
    
     <h2>编辑信息</h2>
    
     <form action="#" th:action="@{/saveTeacher}" th:object="${teacher}" method="POST">
    
     <input type="hidden" th:field="*{teaId}" />
    
     <input type="text" th:field="*{teaName}" class="form-control mb-4 col-4">
    
     <input type="text" th:field="*{position}" class="form-control mb-4 col-4">
    
     <input type="date" th:field="*{birth}" class="form-control mb-4 col-4">
    
     <select type="text" th:field="*{gender}" class="form-control mb-4 col-1">
    
         <option selected value="男">男</option>
    
         <option value="女">女</option>
    
     </select>
    
     <button type="submit" class="btn btn-info col-2"> 保存 </button>
    
     </form>
    
     <hr>
    
     <a th:href="@{/teacher}"> 返回班级信息页</a>
    
 </div>
    
 </body>
    
 </html>

Index

所有的功能页集成到此页面。

复制代码

 <!DOCTYPE html>

    
 <html lang="en">
    
     <head>
    
     <meta charset="utf-8">
    
     <meta name="viewport" content="width=device-width, initial-scale=1">
    
     <title>Home</title>
    
     </head>
    
     <body>
    
     <div class="sidebar sidebar-hide-to-small sidebar-shrink sidebar-gestures">
    
         <div class="nano">
    
             <div class="nano-content">
    
                 <ul>
    
                     <li class="label">班级管理系统</li>
    
                     <li><a class="sidebar-sub-toggle"><i class="ti-bar-chart-alt"></i>  学生  <span class="sidebar-collapse-icon ti-angle-down"></span></a>
    
                         <ul>
    
                             <li><a href="http://127.0.0.1:8080/student" target="index">学生信息</a></li>
    
                             <li><a href="http://127.0.0.1:8080/NewStudentForm"target="index">添加信息</a></li>
    
  
    
                         </ul>
    
                     </li>
    
                     <li><a class="sidebar-sub-toggle"><i class="ti-bar-chart-alt"></i>  老师  <span class="sidebar-collapse-icon ti-angle-down"></span></a>
    
                         <ul>
    
                             <li><a href="http://127.0.0.1:8080/teacher"target="index">老师信息</a></li>
    
                             <li><a href="http://127.0.0.1:8080/NewTeacherForm"target="index">添加信息</a></li>
    
  
    
                         </ul>
    
                     </li>
    
                     <li><a class="sidebar-sub-toggle"><i class="ti-bar-chart-alt"></i>  班级  <span class="sidebar-collapse-icon ti-angle-down"></span></a>
    
                         <ul>
    
                             <li><a href="http://127.0.0.1:8080/class"target="index">班级信息</a></li>
    
                             <li><a href="http://127.0.0.1:8080/NewClassesForm"target="index">添加信息</a></li>
    
  
    
                         </ul>
    
                     </li>
    
                 </ul>
    
             </div>
    
         </div>
    
     </div>
    
     <div class="content-wrap">
    
         <iframe style="height: 100%;width: 100%;padding: 0;margin: 0;" frameborder="0" name="index" src="hello">
    
         </iframe>
    
     </div>
    
     </body>
    
 </html>

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班级信息管理系统

一、环境配置

软件依赖

Spring boot 框架依赖项

二、实体类

Teacher****类

Student****类

Classes类

三、Repository层

四、Service

ClassesService

ClassesServiceImp

StudentService

** StudentServiceImp**

TeacherService

TeacherServiceImp

五、Controller层

ClassesController

StudentController

TeacherController

indexController

六、前端网页设计(teacher类为例)

index_teacher

new_teacher

update_teacher

Index

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Teacher类

Student类

StudentServiceImp