diff --git a/.idea/libraries/mysql_connector_java_8_0_25.xml b/.idea/libraries/mysql_connector_java_8_0_25.xml
new file mode 100644
index 0000000..964b2b5
--- /dev/null
+++ b/.idea/libraries/mysql_connector_java_8_0_25.xml
@@ -0,0 +1,9 @@
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/libraries/slf4j_simple.xml b/.idea/libraries/slf4j_simple.xml
new file mode 100644
index 0000000..17c0eba
--- /dev/null
+++ b/.idea/libraries/slf4j_simple.xml
@@ -0,0 +1,11 @@
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/libraries/zaxxer_HikariCP.xml b/.idea/libraries/zaxxer_HikariCP.xml
new file mode 100644
index 0000000..c8c41d5
--- /dev/null
+++ b/.idea/libraries/zaxxer_HikariCP.xml
@@ -0,0 +1,11 @@
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/sqldialects.xml b/.idea/sqldialects.xml
new file mode 100644
index 0000000..1e1334b
--- /dev/null
+++ b/.idea/sqldialects.xml
@@ -0,0 +1,8 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/Library/src/main/ClassroomInteraction.Library.main.iml b/Library/src/main/ClassroomInteraction.Library.main.iml
index b18ed62..310ceb5 100644
--- a/Library/src/main/ClassroomInteraction.Library.main.iml
+++ b/Library/src/main/ClassroomInteraction.Library.main.iml
@@ -11,5 +11,8 @@
+
+
+
\ No newline at end of file
diff --git a/Library/src/main/java/com/cfive/classroom/library/database/PoolHelper.java b/Library/src/main/java/com/cfive/classroom/library/database/PoolHelper.java
new file mode 100644
index 0000000..7a8a7d1
--- /dev/null
+++ b/Library/src/main/java/com/cfive/classroom/library/database/PoolHelper.java
@@ -0,0 +1,76 @@
+package com.cfive.classroom.library.database;
+
+import com.cfive.classroom.library.database.util.NoConfigException;
+import com.zaxxer.hikari.HikariConfig;
+import com.zaxxer.hikari.HikariDataSource;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.io.*;
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.Properties;
+
+public class PoolHelper {
+ private static final Logger LOGGER = LogManager.getLogger();
+ private static HikariDataSource hikariDataSource;
+ private static String JDBC_URL = "jdbc:mysql://%s:%s/%s?useSSL=false&characterEncoding=utf8";
+ private static String JDBC_USERNAME;
+ private static String JDBC_PASSWORD;
+ private static final String CACHE_PREP_STMTS = "true";
+ private static final String PREP_STMT_CACHE_SIZE = "100";
+ private static final String MAXIMUM_POOL_SIZE = "10";
+
+ public static void init() throws NoConfigException {
+ loadProperties();
+
+ HikariConfig config = new HikariConfig();
+ config.setJdbcUrl(JDBC_URL);
+ config.setUsername(JDBC_USERNAME);
+ config.setPassword(JDBC_PASSWORD);
+ config.addDataSourceProperty("cachePrepStmts", CACHE_PREP_STMTS);
+ config.addDataSourceProperty("prepStmtCacheSize", PREP_STMT_CACHE_SIZE);
+ config.addDataSourceProperty("maximumPoolSize", MAXIMUM_POOL_SIZE);
+ hikariDataSource = new HikariDataSource(config);
+ }
+
+ private static void loadProperties() throws NoConfigException {
+ Properties properties = new Properties();
+ try {
+ properties.load(new FileReader("mysql.properties"));
+ if (properties.getProperty("ip").isEmpty() || properties.getProperty("port").isEmpty() || properties.getProperty("database").isEmpty() || properties.getProperty("username").isEmpty() || properties.getProperty("password").isEmpty()) {
+ LOGGER.error("配置有误，请重新配置或删除配置文件重新生成");
+ throw new NoConfigException();
+ } else {
+ JDBC_URL = String.format(JDBC_URL, properties.getProperty("ip"), properties.getProperty("port"), properties.getProperty("database"));
+ JDBC_USERNAME = properties.getProperty("username");
+ JDBC_PASSWORD = properties.getProperty("password");
+ }
+ } catch (IOException e) {
+ properties.setProperty("ip", "");
+ properties.setProperty("port", "");
+ properties.setProperty("database", "");
+ properties.setProperty("username", "");
+ properties.setProperty("password", "");
+ try {
+ properties.store(new FileWriter("mysql.properties"), "MySQL Configuration");
+ LOGGER.info("已创建配置文件“mysql.properties”");
+ } catch (IOException ioException) {
+ LOGGER.error("无法创建配置文件“mysql.properties”,请手动配置：创建配置文件并添加以下内容\nip=[数据库IP]\nport=[数据库端口]\ndatabase=[数据库名]\nusername=[数据用户名]\npassword=[数据库密码]", e);
+ }
+ throw new NoConfigException();
+ }
+
+ }
+
+ public static void close() {
+ hikariDataSource.close();
+ }
+
+ public static Connection getConnection() throws SQLException, NoConfigException {
+ if (hikariDataSource == null) {
+ init();
+ }
+ return hikariDataSource.getConnection();
+ }
+}
diff --git a/Library/src/main/java/com/cfive/classroom/library/database/bean/AttStatus.java b/Library/src/main/java/com/cfive/classroom/library/database/bean/AttStatus.java
new file mode 100644
index 0000000..81523b2
--- /dev/null
+++ b/Library/src/main/java/com/cfive/classroom/library/database/bean/AttStatus.java
@@ -0,0 +1,22 @@
+package com.cfive.classroom.library.database.bean;
+
+/**
+ * 考勤状态枚举类
+ *
+ * @author FatttSnake
+ * @version 1.0
+ */
+public enum AttStatus {
+ not_signed("未签"), signed("已签"), absence("缺勤"), personal_leave("事假"), sick_leave("病假"), public_holiday("公假"), late("迟到"), leave_early("早退");
+
+ private final String string;
+
+ AttStatus(String string) {
+ this.string = string;
+ }
+
+ @Override
+ public String toString() {
+ return string;
+ }
+}
diff --git a/Library/src/main/java/com/cfive/classroom/library/database/bean/Attendance.java b/Library/src/main/java/com/cfive/classroom/library/database/bean/Attendance.java
new file mode 100644
index 0000000..3d5b57a
--- /dev/null
+++ b/Library/src/main/java/com/cfive/classroom/library/database/bean/Attendance.java
@@ -0,0 +1,137 @@
+package com.cfive.classroom.library.database.bean;
+
+import java.time.LocalDateTime;
+
+/**
+ * 考勤类，用于考勤信息封装
+ *
+ * @author FatttSnake
+ * @version 1.0
+ */
+public class Attendance {
+ private final String attID;
+ private Course course;
+ private Student student;
+ private LocalDateTime attTime;
+ private AttStatus attStatus;
+
+ /**
+ * 构造考勤对象
+ *
+ * @param attID 考勤编号，用于识别唯一考勤
+ * @param course 隶属课程
+ * @param student 隶属学生
+ * @param attTime 考勤时间
+ * @param attStatus 考勤状态
+ */
+ public Attendance(String attID, Course course, Student student, LocalDateTime attTime, AttStatus attStatus) {
+ this.attID = attID;
+ this.course = course;
+ this.student = student;
+ this.attTime = attTime;
+ this.attStatus = attStatus;
+ }
+
+ /**
+ * 获取考勤编号
+ *
+ * @return String 考勤编号，UUID字符串
+ */
+ public String getAttID() {
+ return attID;
+ }
+
+ /**
+ * 获取隶属课程
+ *
+ * @return Course 隶属课程
+ * @see Course
+ */
+ public Course getCourse() {
+ return course;
+ }
+
+ /**
+ * 设置隶属课程
+ *
+ * @param course 隶属课程
+ * @see Course
+ */
+ public void setCourse(Course course) {
+ this.course = course;
+ }
+
+ /**
+ * 获取隶属学生
+ *
+ * @return Student 隶属学生
+ * @see Student
+ */
+ public Student getStudent() {
+ return student;
+ }
+
+ /**
+ * 设置隶属学生
+ *
+ * @param student 隶属学生
+ * @see Student
+ */
+ public void setStudent(Student student) {
+ this.student = student;
+ }
+
+ /**
+ * 获取考勤时间
+ *
+ * @return LocalDateTime 考勤时间
+ */
+ public LocalDateTime getAttTime() {
+ return attTime;
+ }
+
+ /**
+ * 设置考勤时间
+ *
+ * @param attTime 考勤时间
+ */
+ public void setAttTime(LocalDateTime attTime) {
+ this.attTime = attTime;
+ }
+
+ /**
+ * 获取考勤状态
+ *
+ * @return AttStatus 考勤状态
+ * @see AttStatus
+ */
+ public AttStatus getAttStatus() {
+ return attStatus;
+ }
+
+ /**
+ * 设置考勤状态
+ *
+ * @param attStatus 考勤状态
+ * @see AttStatus
+ */
+ public void setAttStatus(AttStatus attStatus) {
+ this.attStatus = attStatus;
+ }
+
+ /**
+ * 仅用于测试使用
+ *
+ * @return String 包含所有属性的字符串
+ */
+ @Override
+ public String toString() {
+ return "Attendance{" +
+ "attID='" + attID + '\'' +
+ ", course=" + course +
+ ", student=" + student +
+ ", attTime=" + attTime +
+ ", attStatus=" + attStatus +
+ '}';
+ }
+}
diff --git a/Library/src/main/java/com/cfive/classroom/library/database/bean/Class.java b/Library/src/main/java/com/cfive/classroom/library/database/bean/Class.java
new file mode 100644
index 0000000..8a9cc94
--- /dev/null
+++ b/Library/src/main/java/com/cfive/classroom/library/database/bean/Class.java
@@ -0,0 +1,112 @@
+package com.cfive.classroom.library.database.bean;
+
+import com.sun.istack.internal.NotNull;
+
+/**
+ * 班级类，用于班级信息封装
+ *
+ * @author FatttSnake
+ * @version 1.0
+ */
+
+public class Class {
+ private final long classID;
+ private Major major;
+ private int grade;
+ private int classNum;
+
+ /**
+ * 构造班级对象
+ *
+ * @param classID 班级编号，用于识别唯一班级
+ * @param major 隶属专业
+ * @param grade 年级
+ * @param classNum 班号
+ */
+ public Class(@NotNull long classID, @NotNull Major major, @NotNull int grade, @NotNull int classNum) {
+ this.classID = classID;
+ this.major = major;
+ this.grade = grade;
+ this.classNum = classNum;
+ }
+
+ /**
+ * 获取班级编号，用于识别唯一班级
+ *
+ * @return long 班级编号
+ */
+ public long getClassID() {
+ return classID;
+ }
+
+ /**
+ * 获取隶属专业
+ *
+ * @return Major 隶属专业
+ * @see Major
+ */
+ public Major getMajor() {
+ return major;
+ }
+
+ /**
+ * 设置隶属专业
+ *
+ * @param major 隶属专业
+ * @see Major
+ */
+ public void setMajor(@NotNull Major major) {
+ this.major = major;
+ }
+
+ /**
+ * 获取年级
+ *
+ * @return int 年级
+ */
+ public int getGrade() {
+ return grade;
+ }
+
+ /**
+ * 设置年级
+ *
+ * @param grade 年级
+ */
+ public void setGrade(@NotNull int grade) {
+ this.grade = grade;
+ }
+
+ /**
+ * 获取班号
+ *
+ * @return int 班号
+ */
+ public int getClassNum() {
+ return classNum;
+ }
+
+ /**
+ * 设置班号
+ *
+ * @param classNum 班号
+ */
+ public void setClassNum(@NotNull int classNum) {
+ this.classNum = classNum;
+ }
+
+ /**
+ * 仅用于测试使用
+ *
+ * @return String 包含所有属性的字符串
+ */
+ @Override
+ public String toString() {
+ return "Class{" +
+ "classID=" + classID +
+ ", major=" + major +
+ ", grade=" + grade +
+ ", classNum=" + classNum +
+ '}';
+ }
+}
diff --git a/Library/src/main/java/com/cfive/classroom/library/database/bean/Course.java b/Library/src/main/java/com/cfive/classroom/library/database/bean/Course.java
new file mode 100644
index 0000000..c7ac890
--- /dev/null
+++ b/Library/src/main/java/com/cfive/classroom/library/database/bean/Course.java
@@ -0,0 +1,139 @@
+package com.cfive.classroom.library.database.bean;
+
+import java.time.LocalDateTime;
+
+/**
+ * 课程类，用于课程信息封装
+ *
+ * @author FatttSnake
+ * @version 1.0
+ */
+public class Course {
+ private final long courID;
+ private Subject subject;
+ private Teacher teacher;
+ private LocalDateTime courTimeFrom;
+ private LocalDateTime courTimeEnd;
+
+ /**
+ * 构造课程对象
+ *
+ * @param courID 课程编号，用于识别唯一课程
+ * @param subject 隶属科目
+ * @param teacher 隶属教师
+ * @param courTimeFrom 开始时间
+ * @param courTimeEnd 结束时间
+ */
+ public Course(long courID, Subject subject, Teacher teacher, LocalDateTime courTimeFrom, LocalDateTime courTimeEnd) {
+ this.courID = courID;
+ this.subject = subject;
+ this.teacher = teacher;
+ this.courTimeFrom = courTimeFrom;
+ this.courTimeEnd = courTimeEnd;
+ }
+
+ /**
+ * 获取课程编号，用于识别唯一课程
+ *
+ * @return long 课程编号
+ */
+ public long getCourID() {
+ return courID;
+ }
+
+ /**
+ * 获取隶属科目
+ *
+ * @return Subject 隶属科目
+ * @see Subject
+ */
+ public Subject getSubject() {
+ return subject;
+ }
+
+ /**
+ * 设置隶属科目
+ *
+ * @param subject 隶属科目
+ * @see Subject
+ */
+ public void setSubject(Subject subject) {
+ this.subject = subject;
+ }
+
+ /**
+ * 获取隶属教师
+ *
+ * @return Teacher 隶属教师
+ * @see Teacher
+ */
+ public Teacher getTeacher() {
+ return teacher;
+ }
+
+ /**
+ * 设置隶属教师
+ *
+ * @param teacher 隶属教师
+ * @see Teacher
+ */
+ public void setTeacher(Teacher teacher) {
+ this.teacher = teacher;
+ }
+
+ /**
+ * 获取开始时间
+ *
+ * @return LocalDateTime 开始时间
+ * @see LocalDateTime
+ */
+ public LocalDateTime getCourTimeFrom() {
+ return courTimeFrom;
+ }
+
+ /**
+ * 设置开始时间
+ *
+ * @param courTimeFrom 开始时间
+ * @see LocalDateTime
+ */
+ public void setCourTimeFrom(LocalDateTime courTimeFrom) {
+ this.courTimeFrom = courTimeFrom;
+ }
+
+ /**
+ * 获取结束时间
+ *
+ * @return LocalDateTime 结束时间
+ * @see LocalDateTime
+ */
+ public LocalDateTime getCourTimeEnd() {
+ return courTimeEnd;
+ }
+
+ /**
+ * 设置结束时间
+ *
+ * @param courTimeEnd 结束时间
+ * @see LocalDateTime
+ */
+ public void setCourTimeEnd(LocalDateTime courTimeEnd) {
+ this.courTimeEnd = courTimeEnd;
+ }
+
+ /**
+ * 仅用于测试使用
+ *
+ * @return String 包含所有属性的字符串
+ */
+ @Override
+ public String toString() {
+ return "Course{" +
+ "courID=" + courID +
+ ", subject=" + subject +
+ ", teacher=" + teacher +
+ ", courTimeFrom=" + courTimeFrom +
+ ", courTimeEnd=" + courTimeEnd +
+ '}';
+ }
+}
diff --git a/Library/src/main/java/com/cfive/classroom/library/database/bean/Faculty.java b/Library/src/main/java/com/cfive/classroom/library/database/bean/Faculty.java
new file mode 100644
index 0000000..9bc8980
--- /dev/null
+++ b/Library/src/main/java/com/cfive/classroom/library/database/bean/Faculty.java
@@ -0,0 +1,65 @@
+package com.cfive.classroom.library.database.bean;
+
+import com.sun.istack.internal.NotNull;
+
+/**
+ * 院系类，用于院系信息封装
+ *
+ * @author FatttSnake
+ * @version 1.0
+ */
+public class Faculty {
+ private final int facID;
+ private String facName;
+
+ /**
+ * 构造院系对象
+ *
+ * @param facID 院系编号，用于识别唯一院系
+ * @param facName 院系名
+ */
+ public Faculty(@NotNull int facID, @NotNull String facName) {
+ this.facID = facID;
+ this.facName = facName;
+ }
+
+ /**
+ * 获取院系编号，用于识别唯一院系
+ *
+ * @return 院系编号
+ */
+ public int getFacID() {
+ return facID;
+ }
+
+ /**
+ * 获取院系名
+ *
+ * @return 院系名
+ */
+ public String getFacName() {
+ return facName;
+ }
+
+ /**
+ * 设置院系名
+ *
+ * @param facName String 院系名
+ */
+ public void setFacName(@NotNull String facName) {
+ this.facName = facName;
+ }
+
+ /**
+ * 仅用于测试使用
+ *
+ * @return String 包含所有属性的字符串
+ */
+ @Override
+ public String toString() {
+ return "Faculty{" +
+ "facID=" + facID +
+ ", facName='" + facName + '\'' +
+ '}';
+ }
+}
diff --git a/Library/src/main/java/com/cfive/classroom/library/database/bean/Gender.java b/Library/src/main/java/com/cfive/classroom/library/database/bean/Gender.java
new file mode 100644
index 0000000..c2e305e
--- /dev/null
+++ b/Library/src/main/java/com/cfive/classroom/library/database/bean/Gender.java
@@ -0,0 +1,27 @@
+package com.cfive.classroom.library.database.bean;
+
+/**
+ * 性别枚举类
+ *
+ * @author FatttSnake
+ * @version 1.0
+ */
+public enum Gender {
+ m("男"), f("女");
+
+ private final String string;
+
+ Gender(String string) {
+ this.string = string;
+ }
+
+ /**
+ * 转换成中文
+ *
+ * @return String 中文
+ */
+ @Override
+ public String toString() {
+ return string;
+ }
+}
diff --git a/Library/src/main/java/com/cfive/classroom/library/database/bean/Major.java b/Library/src/main/java/com/cfive/classroom/library/database/bean/Major.java
new file mode 100644
index 0000000..fa7cbf2
--- /dev/null
+++ b/Library/src/main/java/com/cfive/classroom/library/database/bean/Major.java
@@ -0,0 +1,89 @@
+package com.cfive.classroom.library.database.bean;
+
+import com.sun.istack.internal.NotNull;
+
+/**
+ * 专业类，用于专业信息封装
+ *
+ * @author FatttSnake
+ * @version 1.0
+ */
+public class Major {
+ private final int majorID;
+ private String majorName;
+ private Faculty faculty;
+
+ /**
+ * 构造专业对象
+ *
+ * @param majorID 专业编号，用于识别唯一专业
+ * @param majorName 专业名
+ * @param faculty 隶属院系
+ */
+ public Major(@NotNull int majorID, @NotNull String majorName, @NotNull Faculty faculty) {
+ this.majorID = majorID;
+ this.majorName = majorName;
+ this.faculty = faculty;
+ }
+
+ /**
+ * 获取专业编号，用于识别唯一专业
+ *
+ * @return int 专业编号
+ */
+ public int getMajorID() {
+ return majorID;
+ }
+
+ /**
+ * 获取专业名
+ *
+ * @return String 专业名
+ */
+ public String getMajorName() {
+ return majorName;
+ }
+
+ /**
+ * 设置专业名
+ *
+ * @param majorName 专业名
+ */
+ public void setMajorName(@NotNull String majorName) {
+ this.majorName = majorName;
+ }
+
+ /**
+ * 获取隶属院系
+ *
+ * @return Faculty 隶属院系
+ * @see Faculty
+ */
+ public Faculty getFaculty() {
+ return faculty;
+ }
+
+ /**
+ * 设置隶属院系
+ *
+ * @param faculty 隶属院系
+ * @see Faculty
+ */
+ public void setFaculty(@NotNull Faculty faculty) {
+ this.faculty = faculty;
+ }
+
+ /**
+ * 仅用于测试使用
+ *
+ * @return String 包含所有属性的字符串
+ */
+ @Override
+ public String toString() {
+ return "Major{" +
+ "majorID=" + majorID +
+ ", majorName='" + majorName + '\'' +
+ ", faculty=" + faculty +
+ '}';
+ }
+}
diff --git a/Library/src/main/java/com/cfive/classroom/library/database/bean/Student.java b/Library/src/main/java/com/cfive/classroom/library/database/bean/Student.java
new file mode 100644
index 0000000..23d41a4
--- /dev/null
+++ b/Library/src/main/java/com/cfive/classroom/library/database/bean/Student.java
@@ -0,0 +1,157 @@
+package com.cfive.classroom.library.database.bean;
+
+import com.sun.istack.internal.NotNull;
+
+/**
+ * 学生类，用于学生信息封装
+ *
+ * @author FatttSnake
+ * @version 1.0
+ */
+public class Student {
+ private final long stuID;
+ private String stuName;
+ private Gender gender;
+ private Class aClass;
+ private String password;
+ private String salt;
+
+ /**
+ * 构造学生对象
+ *
+ * @param stuID 学号，用于识别唯一学生
+ * @param stuName 学生姓名
+ * @param gender 性别
+ * @param aClass 隶属班级
+ * @param password 密码
+ * @param salt 加盐
+ */
+ public Student(@NotNull long stuID, @NotNull String stuName, @NotNull Gender gender, @NotNull Class aClass, @NotNull String password, @NotNull String salt) {
+ this.stuID = stuID;
+ this.stuName = stuName;
+ this.gender = gender;
+ this.aClass = aClass;
+ this.password = password;
+ this.salt = salt;
+ }
+
+ /**
+ * 获取学生编号，用于识别唯一学生
+ *
+ * @return long 学号
+ */
+ public long getStuID() {
+ return stuID;
+ }
+
+ /**
+ * 获取学生姓名
+ *
+ * @return String 学生姓名
+ */
+ public String getStuName() {
+ return stuName;
+ }
+
+ /**
+ * 设置学生姓名
+ *
+ * @param stuName 学生姓名
+ */
+ public void setStuName(@NotNull String stuName) {
+ this.stuName = stuName;
+ }
+
+ /**
+ * 获取性别
+ *
+ * @return Gender 性别
+ * @see Gender
+ */
+ public Gender getGender() {
+ return gender;
+ }
+
+ /**
+ * 设置性别
+ *
+ * @param gender 性别
+ * @see Gender
+ */
+ public void setGender(@NotNull Gender gender) {
+ this.gender = gender;
+ }
+
+ /**
+ * 获取隶属班级
+ *
+ * @return Class 隶属班级
+ * @see Class
+ */
+ public Class getaClass() {
+ return aClass;
+ }
+
+ /**
+ * 设置隶属班级
+ *
+ * @param aClass 隶属班级
+ * @see Class
+ */
+ public void setaClass(@NotNull Class aClass) {
+ this.aClass = aClass;
+ }
+
+ /**
+ * 获取密码
+ *
+ * @return String 密码
+ */
+ public String getPassword() {
+ return password;
+ }
+
+ /**
+ * 设置密码
+ *
+ * @param password 密码
+ */
+ public void setPassword(@NotNull String password) {
+ this.password = password;
+ }
+
+ /**
+ * 获取加盐
+ *
+ * @return String 加盐
+ */
+ public String getSalt() {
+ return salt;
+ }
+
+ /**
+ * 设置加盐
+ *
+ * @param salt 加盐
+ */
+ public void setSalt(@NotNull String salt) {
+ this.salt = salt;
+ }
+
+ /**
+ * 仅用于测试使用
+ *
+ * @return String 包含所有属性的字符串
+ */
+ @Override
+ public String toString() {
+ return "Student{" +
+ "stuID=" + stuID +
+ ", stuName='" + stuName + '\'' +
+ ", gender=" + gender +
+ ", aClass=" + aClass +
+ ", password='" + password + '\'' +
+ ", salt='" + salt + '\'' +
+ '}';
+ }
+}
diff --git a/Library/src/main/java/com/cfive/classroom/library/database/bean/Subject.java b/Library/src/main/java/com/cfive/classroom/library/database/bean/Subject.java
new file mode 100644
index 0000000..087cf62
--- /dev/null
+++ b/Library/src/main/java/com/cfive/classroom/library/database/bean/Subject.java
@@ -0,0 +1,65 @@
+package com.cfive.classroom.library.database.bean;
+
+import com.sun.istack.internal.NotNull;
+
+/**
+ * 科目类，用于科目信息封装
+ *
+ * @author FatttSnake
+ * @version 1.0
+ */
+public class Subject {
+ private final int subID;
+ private String subName;
+
+ /**
+ * 构造科目对象
+ *
+ * @param subID 科目编号，用于识别唯一科目
+ * @param subName 科目名
+ */
+ public Subject(@NotNull int subID, @NotNull String subName) {
+ this.subID = subID;
+ this.subName = subName;
+ }
+
+ /**
+ * 获取科目编号，用于识别唯一科目
+ *
+ * @return int 科目编号
+ */
+ public int getSubID() {
+ return subID;
+ }
+
+ /**
+ * 获取科目名
+ *
+ * @return String 科目名
+ */
+ public String getSubName() {
+ return subName;
+ }
+
+ /**
+ * 设置科目名
+ *
+ * @param subName 科目名
+ */
+ public void setSubName(@NotNull String subName) {
+ this.subName = subName;
+ }
+
+ /**
+ * 仅用于测试使用
+ *
+ * @return String 包含所有属性的字符串
+ */
+ @Override
+ public String toString() {
+ return "Subject{" +
+ "subID=" + subID +
+ ", subName='" + subName + '\'' +
+ '}';
+ }
+}
diff --git a/Library/src/main/java/com/cfive/classroom/library/database/bean/Teacher.java b/Library/src/main/java/com/cfive/classroom/library/database/bean/Teacher.java
new file mode 100644
index 0000000..19afd82
--- /dev/null
+++ b/Library/src/main/java/com/cfive/classroom/library/database/bean/Teacher.java
@@ -0,0 +1,156 @@
+package com.cfive.classroom.library.database.bean;
+
+import com.sun.istack.internal.NotNull;
+
+/**
+ * 教师类，用于教师信息封装
+ *
+ * @author FatttSnake
+ * @version 1.0
+ */
+public class Teacher {
+ private final long tchID;
+ private String tchName;
+ private Gender gender;
+ private Faculty faculty;
+ private String password;
+ private String salt;
+
+ /**
+ * 构造教师对象
+ *
+ * @param tchID 工号，用于识别唯一教师
+ * @param tchName 教师姓名
+ * @param gender 性别
+ * @param faculty 隶属院系
+ * @param password 密码
+ * @param salt 加盐
+ */
+ public Teacher(@NotNull long tchID, @NotNull String tchName, @NotNull Gender gender, @NotNull Faculty faculty, @NotNull String password, @NotNull String salt) {
+ this.tchID = tchID;
+ this.tchName = tchName;
+ this.gender = gender;
+ this.faculty = faculty;
+ this.password = password;
+ this.salt = salt;
+ }
+
+ /**
+ * 获取工号，用于识别唯一教师
+ *
+ * @return long 教师编号
+ */
+ public long getTchID() {
+ return tchID;
+ }
+
+ /**
+ * 获取教师姓名
+ *
+ * @return String 教师姓名
+ */
+ public String getTchName() {
+ return tchName;
+ }
+
+ /**
+ * 设置教师姓名
+ * @param tchName 教师姓名
+ */
+ public void setTchName(@NotNull String tchName) {
+ this.tchName = tchName;
+ }
+
+ /**
+ * 获取性别
+ *
+ * @return Gender 性别
+ * @see Gender
+ */
+ public Gender getGender() {
+ return gender;
+ }
+
+ /**
+ * 设置性别
+ *
+ * @param gender 性别
+ * @see Gender
+ */
+ public void setGender(@NotNull Gender gender) {
+ this.gender = gender;
+ }
+
+ /**
+ * 获取隶属院系
+ *
+ * @return Faculty 隶属院系
+ * @see Faculty
+ */
+ public Faculty getFaculty() {
+ return faculty;
+ }
+
+ /**
+ * 设置隶属院系
+ *
+ * @param faculty 隶属院系
+ * @see Faculty
+ */
+ public void setFaculty(@NotNull Faculty faculty) {
+ this.faculty = faculty;
+ }
+
+ /**
+ * 获取密码
+ *
+ * @return String 密码
+ */
+ public String getPassword() {
+ return password;
+ }
+
+ /**
+ * 设置密码
+ *
+ * @param password 密码
+ */
+ public void setPassword(@NotNull String password) {
+ this.password = password;
+ }
+
+ /**
+ * 获取加盐
+ *
+ * @return String 加盐
+ */
+ public String getSalt() {
+ return salt;
+ }
+
+ /**
+ * 设置加盐
+ *
+ * @param salt 加盐
+ */
+ public void setSalt(@NotNull String salt) {
+ this.salt = salt;
+ }
+
+ /**
+ * 仅用于测试使用
+ *
+ * @return String 包含所有属性的字符串
+ */
+ @Override
+ public String toString() {
+ return "Teacher{" +
+ "tchID=" + tchID +
+ ", tchName='" + tchName + '\'' +
+ ", gender=" + gender +
+ ", faculty=" + faculty +
+ ", password='" + password + '\'' +
+ ", salt='" + salt + '\'' +
+ '}';
+ }
+}
diff --git a/Library/src/test/mysql.properties b/Library/src/test/mysql.properties
new file mode 100644
index 0000000..806a4a6
--- /dev/null
+++ b/Library/src/test/mysql.properties
@@ -0,0 +1,7 @@
+#MySQL Configuration
+#Mon Jun 06 15:29:23 CST 2022
+port=3306
+password=class_five
+database=class
+ip=10.14.0.7
+username=class
diff --git a/MySQL.sql b/MySQL.sql
new file mode 100644
index 0000000..1b48e84
--- /dev/null
+++ b/MySQL.sql
@@ -0,0 +1,154 @@
+SHOW DATABASES;
+SHOW TABLES;
+
+USE class;
+
+create table Faculty
+(
+ facID int auto_increment comment '院系编号',
+ facName varchar(20) not null comment '学院名称',
+ constraint Faculty_pk
+ primary key (facID)
+)
+ comment '院系';
+
+create unique index Faculty_facID_uindex
+ on Faculty (facID);
+
+create unique index Faculty_facName_uindex
+ on Faculty (facName);
+
+create table Major
+(
+ majorID int auto_increment comment '专业编号',
+ majorName varchar(20) not null comment '专业名称',
+ facID int not null comment '隶属院系',
+ constraint Major_pk
+ primary key (majorID),
+ constraint Major_facID_fk
+ foreign key (facID) references faculty (facID)
+)
+ comment '专业';
+
+create unique index Major_majorID_uindex
+ on Major (majorID);
+
+create unique index Major_majorName_uindex
+ on Major (majorName);
+
+create table Class
+(
+ classID bigint auto_increment comment '班级编号',
+ majorID int not null comment '隶属专业',
+ grade int not null comment '年级',
+ classNum int not null comment '班号',
+ constraint Class_pk
+ primary key (classID),
+ constraint Class_majorID_fk
+ foreign key (majorID) references major (majorID)
+)
+ comment '班级';
+
+create unique index Class_classID_uindex
+ on Class (classID);
+
+create table Student
+(
+ stuID bigint auto_increment comment '学号',
+ stuName varchar(10) not null comment '学生姓名',
+ stuGender enum ('m', 'f') not null comment '性别',
+ classID bigint not null comment '隶属班级',
+ passwd char(128) not null comment '学生密码',
+ salt char(32) not null comment '加盐',
+ constraint Student_pk
+ primary key (stuID),
+ constraint Student_classID_fk
+ foreign key (classID) references class (classID)
+)
+ comment '学生';
+
+create unique index Student_stuID_uindex
+ on Student (stuID);
+
+create table Teacher
+(
+ tchID bigint auto_increment comment '工号',
+ tchName varchar(20) not null comment '教师姓名',
+ tchGender enum ('m', 'f') not null comment '教师性别',
+ facID int not null comment '隶属院系',
+ passwd char(128) not null comment '教师密码',
+ salt char(32) not null comment '加盐',
+ constraint Teacher_pk
+ primary key (tchID),
+ constraint Teacher_facID_fk
+ foreign key (facID) references faculty (facID)
+)
+ comment '教师';
+
+create unique index Teacher_tchID_uindex
+ on Teacher (tchID);
+
+create table Subject
+(
+ subID int auto_increment comment '科目编号',
+ subName varchar(40) not null comment '科目名',
+ constraint Subject_pk
+ primary key (subID)
+)
+ comment '科目';
+
+create unique index Subject_subID_uindex
+ on Subject (subID);
+
+create unique index Subject_subName_uindex
+ on Subject (subName);
+
+create table Course
+(
+ courID bigint auto_increment comment '课程编号',
+ subID int not null comment '隶属科目',
+ tchID bigint not null comment '授课教师',
+ courTimeFrom timestamp not null,
+ courTimeEnd timestamp not null,
+ constraint Course_pk
+ primary key (courID),
+ constraint Course_subID_fk
+ foreign key (subID) references Subject(subID),
+ constraint Course_tchID_fk
+ foreign key (tchID) references Teacher(tchID)
+)
+ comment '课程';
+
+create unique index Course_courID_uindex
+ on Course (courID);
+
+create table Attendance
+(
+ attID char(36) not null comment '考勤编号',
+ courID bigint not null comment '隶属课程',
+ stuID int not null comment '隶属学生',
+ attTie timestamp null comment '考勤时间',
+ attStatus enum ('not_signed', 'signed', 'absence', 'personal_leave', 'sick_leave', 'public_holiday', 'late', 'leave_early') default 'not_signed' not null comment '考勤状态',
+ constraint Attendance_pk
+ primary key (attID)
+)
+ comment '考勤';
+
+create unique index Attendance_courID_uindex
+ on Attendance (attID);
+
+select *
+from faculty;
+
+ALTER TABLE faculty
+ AUTO_INCREMENT = 19;
+
+delete
+from faculty;
+
+INSERT INTO faculty
+values (2, '计算机学院'),
+ (18, '工程训练中心');
+
+
+SELECT EXISTS(SELECT 1 FROM faculty WHERE facName = '信息学院')
\ No newline at end of file
diff --git a/Student/src/main/mysql.properties b/Student/src/main/mysql.properties
new file mode 100644
index 0000000..806a4a6
--- /dev/null
+++ b/Student/src/main/mysql.properties
@@ -0,0 +1,7 @@
+#MySQL Configuration
+#Mon Jun 06 15:29:23 CST 2022
+port=3306
+password=class_five
+database=class
+ip=10.14.0.7
+username=class
diff --git a/Student/src/test/mysql.properties b/Student/src/test/mysql.properties
new file mode 100644
index 0000000..806a4a6
--- /dev/null
+++ b/Student/src/test/mysql.properties
@@ -0,0 +1,7 @@
+#MySQL Configuration
+#Mon Jun 06 15:29:23 CST 2022
+port=3306
+password=class_five
+database=class
+ip=10.14.0.7
+username=class
diff --git a/Teacher/src/main/mysql.properties b/Teacher/src/main/mysql.properties
new file mode 100644
index 0000000..806a4a6
--- /dev/null
+++ b/Teacher/src/main/mysql.properties
@@ -0,0 +1,7 @@
+#MySQL Configuration
+#Mon Jun 06 15:29:23 CST 2022
+port=3306
+password=class_five
+database=class
+ip=10.14.0.7
+username=class
diff --git a/Teacher/src/test/mysql.properties b/Teacher/src/test/mysql.properties
new file mode 100644
index 0000000..806a4a6
--- /dev/null
+++ b/Teacher/src/test/mysql.properties
@@ -0,0 +1,7 @@
+#MySQL Configuration
+#Mon Jun 06 15:29:23 CST 2022
+port=3306
+password=class_five
+database=class
+ip=10.14.0.7
+username=class
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