From a7825643a7d31d9baa191ebe33ed449c3564221b Mon Sep 17 00:00:00 2001
From: seahi <me@seahi.me>
Date: Wed, 18 Dec 2024 09:14:27 +0800
Subject: [PATCH] =?UTF-8?q?=E9=87=8D=E6=9E=84=EF=BC=9A=E5=88=A0=E9=99=A4?=
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早期规划该项目时，功能多于当前实现。删除的是当前无用的代码，例如根据班级名称查找所有学生等。后期如果完善该项目，可以查看该commit删除的代码
---
 src/dao/StudentDAO.java          |  7 ------
 src/dao/TeacherDAO.java          | 14 ------------
 src/dao/impl/StudentDAOImpl.java | 19 ----------------
 src/dao/impl/TeacherDAOImpl.java | 38 --------------------------------
 4 files changed, 78 deletions(-)

diff --git a/src/dao/StudentDAO.java b/src/dao/StudentDAO.java
index d671652..73000e8 100644
--- a/src/dao/StudentDAO.java
+++ b/src/dao/StudentDAO.java
@@ -14,13 +14,6 @@ public interface StudentDAO extends BaseDAO<Student> {
      */
     Student findByStudentId(String studentId);
 
-    /**
-     * 根据班级查询学生列表
-     * @param className 班级名称
-     * @return 学生列表
-     */
-    List<Student> findByClassName(String className);
-
     /**
      * 根据姓名模糊查询学生
      * @param name 学生姓名
diff --git a/src/dao/TeacherDAO.java b/src/dao/TeacherDAO.java
index f9fa338..f50816a 100644
--- a/src/dao/TeacherDAO.java
+++ b/src/dao/TeacherDAO.java
@@ -13,18 +13,4 @@ public interface TeacherDAO extends BaseDAO<Teacher> {
      * @return 教师对象
      */
     Teacher findByTeacherId(String teacherId);
-
-    /**
-     * 根据部门查询教师列表
-     * @param department 部门名称
-     * @return 教师列表
-     */
-    List<Teacher> findByDepartment(String department);
-
-    /**
-     * 根据姓名模糊查询教师
-     * @param name 教师姓名
-     * @return 教师列表
-     */
-    List<Teacher> findByNameLike(String name);
 }
diff --git a/src/dao/impl/StudentDAOImpl.java b/src/dao/impl/StudentDAOImpl.java
index 44c2260..c9d143a 100644
--- a/src/dao/impl/StudentDAOImpl.java
+++ b/src/dao/impl/StudentDAOImpl.java
@@ -133,25 +133,6 @@ public class StudentDAOImpl implements StudentDAO {
         return null;
     }
 
-    @Override
-    public List<Student> findByClassName(String className) {
-        List<Student> students = new ArrayList<>();
-        String sql = "SELECT * FROM students WHERE class_name = ?";
-        try (Connection conn = DatabaseUtil.getConnection();
-             PreparedStatement stmt = conn.prepareStatement(sql)) {
-            
-            stmt.setString(1, className);
-            ResultSet rs = stmt.executeQuery();
-            
-            while (rs.next()) {
-                students.add(mapResultSetToStudent(rs));
-            }
-        } catch (SQLException e) {
-            e.printStackTrace();
-        }
-        return students;
-    }
-
     @Override
     public List<Student> findByNameLike(String name) {
         List<Student> students = new ArrayList<>();
diff --git a/src/dao/impl/TeacherDAOImpl.java b/src/dao/impl/TeacherDAOImpl.java
index 5e6dc66..3c5bfd5 100644
--- a/src/dao/impl/TeacherDAOImpl.java
+++ b/src/dao/impl/TeacherDAOImpl.java
@@ -129,44 +129,6 @@ public class TeacherDAOImpl implements TeacherDAO {
         return null;
     }
 
-    @Override
-    public List<Teacher> findByDepartment(String department) {
-        List<Teacher> teachers = new ArrayList<>();
-        String sql = "SELECT * FROM teachers WHERE department = ?";
-        try (Connection conn = DatabaseUtil.getConnection();
-             PreparedStatement stmt = conn.prepareStatement(sql)) {
-            
-            stmt.setString(1, department);
-            ResultSet rs = stmt.executeQuery();
-            
-            while (rs.next()) {
-                teachers.add(mapResultSetToTeacher(rs));
-            }
-        } catch (SQLException e) {
-            e.printStackTrace();
-        }
-        return teachers;
-    }
-
-    @Override
-    public List<Teacher> findByNameLike(String name) {
-        List<Teacher> teachers = new ArrayList<>();
-        String sql = "SELECT * FROM teachers WHERE name LIKE ?";
-        try (Connection conn = DatabaseUtil.getConnection();
-             PreparedStatement stmt = conn.prepareStatement(sql)) {
-            
-            stmt.setString(1, "%" + name + "%");
-            ResultSet rs = stmt.executeQuery();
-            
-            while (rs.next()) {
-                teachers.add(mapResultSetToTeacher(rs));
-            }
-        } catch (SQLException e) {
-            e.printStackTrace();
-        }
-        return teachers;
-    }
-
     /**
      * 将ResultSet映射为Teacher对象
      */