Add JavaBean and DatabasePool

.idea/libraries/mysql_connector_java_8_0_25.xml

@@ -0,0 +1,9 @@
+<component name="libraryTable">
+  <library name="mysql-connector-java-8.0.25">
+    <CLASSES>
+      <root url="jar://$PROJECT_DIR$/lib/mysql-connector-java-8.0.25.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>

.idea/libraries/slf4j_simple.xml

@@ -0,0 +1,11 @@
+<component name="libraryTable">
+  <library name="slf4j.simple" type="repository">
+    <properties maven-id="org.slf4j:slf4j-simple:1.7.36" />
+    <CLASSES>
+      <root url="jar://$PROJECT_DIR$/lib/slf4j-simple-1.7.36.jar!/" />
+      <root url="jar://$PROJECT_DIR$/lib/slf4j-api-1.7.36.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>

.idea/libraries/zaxxer_HikariCP.xml

@@ -0,0 +1,11 @@
+<component name="libraryTable">
+  <library name="zaxxer.HikariCP" type="repository">
+    <properties maven-id="com.zaxxer:HikariCP:2.7.6" />
+    <CLASSES>
+      <root url="jar://$PROJECT_DIR$/lib/HikariCP-2.7.6.jar!/" />
+      <root url="jar://$PROJECT_DIR$/lib/slf4j-api-1.7.25.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>

.idea/sqldialects.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="SqlDialectMappings">
+    <file url="file://$PROJECT_DIR$/Library/src/test/java/com/cfive/classroom/library/database/DatabaseTest.java" dialect="MySQL" />
+    <file url="file://$PROJECT_DIR$/MySQL.sql" dialect="MySQL" />
+    <file url="PROJECT" dialect="MySQL" />
+  </component>
+</project>

Library/src/main/ClassroomInteraction.Library.main.iml

@@ -11,5 +11,8 @@
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" name="log4j-core-2.17.2" level="project" />
     <orderEntry type="library" name="log4j-api-2.17.2" level="project" />
+    <orderEntry type="library" name="zaxxer.HikariCP" level="project" />
+    <orderEntry type="library" name="mysql-connector-java-8.0.25" level="project" />
+    <orderEntry type="library" name="slf4j.simple" level="project" />
   </component>
 </module>

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();
+    }
+}

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;
+    }
+}

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 <code>String</code> 考勤编号，UUID字符串
+     */
+    public String getAttID() {
+        return attID;
+    }
+
+    /**
+     * 获取隶属课程
+     *
+     * @return <code>Course</code> 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 <code>Student</code> 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 <code>LocalDateTime</code> 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 <code>AttStatus</code> 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 <code>String</code> 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 +
+                '}';
+    }
+}

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 <code>long</code> 班级编号
+     */
+    public long getClassID() {
+        return classID;
+    }
+
+    /**
+     * 获取隶属专业
+     *
+     * @return <code>Major</code> 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 <code>int</code> 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 <code>int</code> 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 <code>String</code> 包含所有属性的字符串
+     */
+    @Override
+    public String toString() {
+        return "Class{" +
+                "classID=" + classID +
+                ", major=" + major +
+                ", grade=" + grade +
+                ", classNum=" + classNum +
+                '}';
+    }
+}

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 <code>long</code> 课程编号
+     */
+    public long getCourID() {
+        return courID;
+    }
+
+    /**
+     * 获取隶属科目
+     *
+     * @return <code>Subject</code> 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 <code>Teacher</code> 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 <code>LocalDateTime</code> 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 <code>LocalDateTime</code> 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 <code>String</code> 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 +
+                '}';
+    }
+}

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 <code>String</code> 院系名
+     */
+    public void setFacName(@NotNull String facName) {
+        this.facName = facName;
+    }
+
+    /**
+     * 仅用于测试使用
+     *
+     * @return <code>String</code> 包含所有属性的字符串
+     */
+    @Override
+    public String toString() {
+        return "Faculty{" +
+                "facID=" + facID +
+                ", facName='" + facName + '\'' +
+                '}';
+    }
+}

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 <code>String</code> 中文
+     */
+    @Override
+    public String toString() {
+        return string;
+    }
+}

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 <code>int</code> 专业编号
+     */
+    public int getMajorID() {
+        return majorID;
+    }
+
+    /**
+     * 获取专业名
+     *
+     * @return <code>String</code> 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 <code>Faculty</code> 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 <code>String</code> 包含所有属性的字符串
+     */
+    @Override
+    public String toString() {
+        return "Major{" +
+                "majorID=" + majorID +
+                ", majorName='" + majorName + '\'' +
+                ", faculty=" + faculty +
+                '}';
+    }
+}

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 <code>long</code> 学号
+     */
+    public long getStuID() {
+        return stuID;
+    }
+
+    /**
+     * 获取学生姓名
+     *
+     * @return <code>String</code> 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 <code>Gender</code> 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 <code>Class</code> 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 <code>String</code> 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 <code>String</code> 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 <code>String</code> 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 + '\'' +
+                '}';
+    }
+}

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 <code>int</code> 科目编号
+     */
+    public int getSubID() {
+        return subID;
+    }
+
+    /**
+     * 获取科目名
+     *
+     * @return <code>String</code> 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 <code>String</code> 包含所有属性的字符串
+     */
+    @Override
+    public String toString() {
+        return "Subject{" +
+                "subID=" + subID +
+                ", subName='" + subName + '\'' +
+                '}';
+    }
+}

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 <code>long</code> 教师编号
+     */
+    public long getTchID() {
+        return tchID;
+    }
+
+    /**
+     * 获取教师姓名
+     *
+     * @return <code>String</code> 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 <code>Gender</code> 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 <code>Faculty</code> 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 <code>String</code> 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 <code>String</code> 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 <code>String</code> 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 + '\'' +
+                '}';
+    }
+}

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

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')

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

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

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

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