feat(mapper): 添加各个实体的插入功能接口和实现

- 在DepartmentMapper中添加addDepartment方法
- 在MajorMapper中添加addMajor方法
- 在NoticeMapper中添加addNotice方法
- 在StudentMapper中添加addStudent方法
- 在对应的XML文件中添加相应的INSERT语句
- 更新测试类TestMyBatis添加插入功能测试方法
- 优化测试类导入语句和代码结构

grademanagement-MyBatisProject/src/com/ssm/mapper/DepartmentMapper.java

@@ -7,4 +7,6 @@ public interface DepartmentMapper {
     Department getDepartmentById(Integer deptId);
     // 查询所有
     List<Department> getDepartmentAll();
+    // 添加院系
+    void addDepartment(Department department);
 }

grademanagement-MyBatisProject/src/com/ssm/mapper/DepartmentMapper.xml

@@ -3,12 +3,15 @@
         PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="com.ssm.mapper.DepartmentMapper">
-    <!-- 按ID查询 -->
     <select id="getDepartmentById" resultType="com.ssm.entity.Department" parameterType="Integer">
         SELECT * FROM department WHERE dept_id = #{deptId}
     </select>
-    <!-- 查询所有 -->
     <select id="getDepartmentAll" resultType="com.ssm.entity.Department">
         SELECT * FROM department
     </select>
+    <!-- 添加院系 -->
+    <insert id="addDepartment" parameterType="com.ssm.entity.Department">
+        INSERT INTO department(dept_name, dept_code, dept_phone, dept_address)
+        VALUES(#{deptName}, #{deptCode}, #{deptPhone}, #{deptAddress})
+    </insert>
 </mapper>

grademanagement-MyBatisProject/src/com/ssm/mapper/MajorMapper.java

@@ -5,4 +5,6 @@ import java.util.List;
 public interface MajorMapper {
     Major getMajorById(Integer majorId);
     List<Major> getMajorAll();
+    // 添加专业
+    void addMajor(Major major);
 }

grademanagement-MyBatisProject/src/com/ssm/mapper/MajorMapper.xml

@@ -9,4 +9,9 @@
     <select id="getMajorAll" resultType="com.ssm.entity.Major">
         SELECT * FROM major
     </select>
+    <!-- 添加专业 -->
+    <insert id="addMajor" parameterType="com.ssm.entity.Major">
+        INSERT INTO major(major_name, major_code, dept_id, study_year)
+        VALUES(#{majorName}, #{majorCode}, #{deptId}, #{studyYear})
+    </insert>
 </mapper>

grademanagement-MyBatisProject/src/com/ssm/mapper/NoticeMapper.java

@@ -5,4 +5,6 @@ import java.util.List;
 public interface NoticeMapper {
     Notice getNoticeById(Integer noticeId);
     List<Notice> getNoticeAll();
+    // 添加公告
+    void addNotice(Notice notice);
 }

grademanagement-MyBatisProject/src/com/ssm/mapper/NoticeMapper.xml

@@ -9,4 +9,9 @@
     <select id="getNoticeAll" resultType="com.ssm.entity.Notice">
         SELECT * FROM notice
     </select>
+    <!-- 添加公告 -->
+    <insert id="addNotice" parameterType="com.ssm.entity.Notice">
+        INSERT INTO notice(title, content, publish_time, publisher, status)
+        VALUES(#{title}, #{content}, #{publishTime}, #{publisher}, #{status})
+    </insert>
 </mapper>

grademanagement-MyBatisProject/src/com/ssm/mapper/StudentMapper.java

@@ -5,4 +5,6 @@ import java.util.List;
 public interface StudentMapper {
     Student getStudentById(Integer studentId);
     List<Student> getStudentAll();
+    // 添加学生
+    void addStudent(Student student);
 }

grademanagement-MyBatisProject/src/com/ssm/mapper/StudentMapper.xml

@@ -9,4 +9,9 @@
     <select id="getStudentAll" resultType="com.ssm.entity.Student">
         SELECT * FROM student
     </select>
+    <!-- 添加学生 -->
+    <insert id="addStudent" parameterType="com.ssm.entity.Student">
+        INSERT INTO student(student_no, student_name, gender, age, class_id, phone)
+        VALUES(#{studentNo}, #{studentName}, #{gender}, #{age}, #{classId}, #{phone})
+    </insert>
 </mapper>

grademanagement-MyBatisProject/src/com/ssm/test/TestMyBatis.java

@@ -1,19 +1,14 @@
 package com.ssm.test;
 
-import com.ssm.entity.Department;
-import com.ssm.entity.Major;
-import com.ssm.entity.Student;
-import com.ssm.entity.Notice;
-import com.ssm.mapper.DepartmentMapper;
-import com.ssm.mapper.MajorMapper;
-import com.ssm.mapper.StudentMapper;
-import com.ssm.mapper.NoticeMapper;
+import com.ssm.entity.*;
+import com.ssm.mapper.*;
 import org.apache.ibatis.io.Resources;
 import org.apache.ibatis.session.SqlSession;
 import org.apache.ibatis.session.SqlSessionFactory;
 import org.apache.ibatis.session.SqlSessionFactoryBuilder;
 
 import java.io.Reader;
+import java.util.Date;
 import java.util.List;
 
 public class TestMyBatis {
@@ -23,33 +18,33 @@ public class TestMyBatis {
 		SqlSessionFactory factory = new SqlSessionFactoryBuilder().build(reader);
 		SqlSession sqlSession = factory.openSession();
 
-		// 2. 测试院系模块
+		// 2. 查询测试（之前写的）
 		testDepartment(sqlSession);
-		// 3. 测试专业模块
 		testMajor(sqlSession);
-		// 4. 测试学生模块
 		testStudent(sqlSession);
-		// 5. 测试公告模块
 		testNotice(sqlSession);
 
+		// 3. 添加测试（本次任务重点）
+		testAddDepartment(sqlSession);
+		testAddMajor(sqlSession);
+		testAddStudent(sqlSession);
+		testAddNotice(sqlSession);
+
 		sqlSession.close();
 		reader.close();
 	}
 
-	// 院系模块测试
+	// ========== 查询方法（保留） ==========
 	private static void testDepartment(SqlSession sqlSession) {
 		DepartmentMapper mapper = sqlSession.getMapper(DepartmentMapper.class);
-		// 按ID查询
 		Department dept = mapper.getDepartmentById(1);
 		System.out.println("===== 院系模块 - 按ID查询 =====");
 		System.out.println(dept);
-		// 查询所有
 		List<Department> deptList = mapper.getDepartmentAll();
 		System.out.println("\n===== 院系模块 - 查询所有 =====");
 		deptList.forEach(System.out::println);
 	}
 
-	// 专业模块测试
 	private static void testMajor(SqlSession sqlSession) {
 		MajorMapper mapper = sqlSession.getMapper(MajorMapper.class);
 		Major major = mapper.getMajorById(1);
@@ -60,7 +55,6 @@ public class TestMyBatis {
 		majorList.forEach(System.out::println);
 	}
 
-	// 学生模块测试
 	private static void testStudent(SqlSession sqlSession) {
 		StudentMapper mapper = sqlSession.getMapper(StudentMapper.class);
 		Student student = mapper.getStudentById(1);
@@ -71,7 +65,6 @@ public class TestMyBatis {
 		studentList.forEach(System.out::println);
 	}
 
-	// 公告模块测试
 	private static void testNotice(SqlSession sqlSession) {
 		NoticeMapper mapper = sqlSession.getMapper(NoticeMapper.class);
 		Notice notice = mapper.getNoticeById(1);
@@ -81,4 +74,63 @@ public class TestMyBatis {
 		System.out.println("\n===== 公告模块 - 查询所有 =====");
 		noticeList.forEach(System.out::println);
 	}
+
+	// ========== 添加方法（本次任务重点） ==========
+	// 1. 添加院系
+	private static void testAddDepartment(SqlSession sqlSession) {
+		DepartmentMapper mapper = sqlSession.getMapper(DepartmentMapper.class);
+		// 新建对象
+		Department dept = new Department();
+		dept.setDeptName("软件工程学院");
+		dept.setDeptCode("SE011");
+		dept.setDeptPhone("024-11112222");
+		dept.setDeptAddress("实训楼E座2楼");
+		// 调用添加方法
+		mapper.addDepartment(dept);
+		// 提交事务（必须写！）
+		sqlSession.commit();
+		System.out.println("\n===== 院系模块 - 添加成功 =====");
+	}
+
+	// 2. 添加专业
+	private static void testAddMajor(SqlSession sqlSession) {
+		MajorMapper mapper = sqlSession.getMapper(MajorMapper.class);
+		Major major = new Major();
+		major.setMajorName("人工智能");
+		major.setMajorCode("AI01");
+		major.setDeptId(1); // 所属院系ID，根据你的数据修改
+		major.setStudyYear(4);
+		mapper.addMajor(major);
+		sqlSession.commit();
+		System.out.println("===== 专业模块 - 添加成功 =====");
+	}
+
+	// 3. 添加学生
+	private static void testAddStudent(SqlSession sqlSession) {
+		StudentMapper mapper = sqlSession.getMapper(StudentMapper.class);
+		Student student = new Student();
+		student.setStudentNo("2023011");
+		student.setStudentName("新同学");
+		student.setGender("男");
+		student.setAge(20);
+		student.setClassId(1); // 所属班级ID，根据你的数据修改
+		student.setPhone("13800138011");
+		mapper.addStudent(student);
+		sqlSession.commit();
+		System.out.println("===== 学生模块 - 添加成功 =====");
+	}
+
+	// 4. 添加公告
+	private static void testAddNotice(SqlSession sqlSession) {
+		NoticeMapper mapper = sqlSession.getMapper(NoticeMapper.class);
+		Notice notice = new Notice();
+		notice.setTitle("新增实训通知");
+		notice.setContent("下周将进行人工智能专业实训，请大家提前准备");
+		notice.setPublishTime(new Date());
+		notice.setPublisher("实训中心");
+		notice.setStatus(1);
+		mapper.addNotice(notice);
+		sqlSession.commit();
+		System.out.println("===== 公告模块 - 添加成功 =====");
+	}
 }