From 5a54ab4ab976972b44e5bda111c4ffdd9967ba38 Mon Sep 17 00:00:00 2001
From: seahi <me@seahi.me>
Date: Tue, 17 Dec 2024 12:30:06 +0800
Subject: [PATCH] refactor: remove unused database columns and related code

---
 src/service/StudentService.java | 31 -------------------------------
 1 file changed, 31 deletions(-)

diff --git a/src/service/StudentService.java b/src/service/StudentService.java
index 531251d..f981281 100644
--- a/src/service/StudentService.java
+++ b/src/service/StudentService.java
@@ -11,19 +11,6 @@ import java.util.List;
 public class StudentService {
     private final StudentDAO studentDAO = DAOFactory.getStudentDAO();
 
-    /**
-     * 添加学生
-     * @param student 学生信息
-     * @return 是否添加成功
-     */
-    public boolean addStudent(Student student) {
-        // 检查学号是否已存在
-        if (studentDAO.findByStudentId(student.getStudentId()) != null) {
-            return false;
-        }
-        return studentDAO.insert(student) > 0;
-    }
-
     /**
      * 更新学生信息
      * @param student 学生信息
@@ -43,15 +30,6 @@ public class StudentService {
         return studentDAO.update(student) > 0;
     }
 
-    /**
-     * 删除学生
-     * @param id 学生ID
-     * @return 是否删除成功
-     */
-    public boolean deleteStudent(int id) {
-        return studentDAO.deleteById(id) > 0;
-    }
-
     /**
      * 根据ID查询学生
      * @param id 学生ID
@@ -78,15 +56,6 @@ public class StudentService {
         return studentDAO.findAll();
     }
 
-    /**
-     * 根据班级查询学生
-     * @param className 班级名称
-     * @return 学生列表
-     */
-    public List<Student> getStudentsByClass(String className) {
-        return studentDAO.findByClassName(className);
-    }
-
     /**
      * 根据姓名模糊查询学生
      * @param name 学生姓名