修改目录结构，精简项目

修改部分注释

pom.xml

@@ -4,23 +4,27 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
-    <groupId>org.example</groupId>
+    <groupId>me.lensfrex.smanager-s</groupId>
-    <artifactId>StudentManagerS</artifactId>
+    <artifactId>SManager-S</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>0.0.1p</version>
 
     <properties>
         <maven.compiler.source>8</maven.compiler.source>
         <maven.compiler.target>8</maven.compiler.target>
     </properties>
 
-    <dependencies>
+    <build>
-        <!-- https://mvnrepository.com/artifact/org.xerial/sqlite-jdbc -->
+        <plugins>
-        <dependency>
+            <plugin>
-            <groupId>org.xerial</groupId>
+                <groupId>org.apache.maven.plugins</groupId>
-            <artifactId>sqlite-jdbc</artifactId>
+                <artifactId>maven-jar-plugin</artifactId>
-            <version>3.36.0.3</version>
+                <version>2.4</version>
-        </dependency>
+                <configuration>
-
+                    <archive>
-    </dependencies>
+                        <mainClass>me.lensfrex.manager.Main</mainClass>
-
+                    </archive>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 </project>

src/main/java/me/lensfrex/manager/Main.java

@@ -14,10 +14,7 @@ public class Main {
 
     private void run() {
         while (parseCommand(consoleTool.getUserInput()) != -1) {
-            System.out.println(
+            System.out.print("----------------------------------------------------------------\n" + "    Please enter your choice:\n--> ");
-                    "----------------------------------------------------------------\n" +
-                            "    Please enter your choice:"
-            );
         }
     }
 
@@ -94,7 +91,7 @@ public class Main {
                 worker.printCnHelp();
                 break;
             default:
-                System.out.println("- Don't recognize... Please enter again. (Enter 12 to show help again)");
+                System.out.println("Don't recognize... Please enter again. (Enter 12 to show help again)");
                 break;
         }
         return 0;

src/main/java/me/lensfrex/manager/Worker.java

@@ -1,6 +1,5 @@
 package me.lensfrex.manager;
 
-import me.lensfrex.manager.Main;
 import me.lensfrex.manager.data.Student;
 import me.lensfrex.manager.data.manager.StudentManager;
 import me.lensfrex.manager.utils.IOUtil;
@@ -10,9 +9,9 @@ import java.util.ArrayList;
 
 public class Worker {
 
-    public static final String helpMessage = IOUtil.inputStreamToString(Main.class.getResourceAsStream("/me.lensfrex.manager/helpMessage.txt"), StandardCharsets.UTF_8);
+    public static final String helpMessage = IOUtil.inputStreamToString(Main.class.getResourceAsStream("/me/lensfrex/manager/helpMessage.txt"), StandardCharsets.UTF_8);
-    public static final String cnHelpMessage = IOUtil.inputStreamToString(Main.class.getResourceAsStream("/me.lensfrex.manager/cnHelpMessage.txt"), StandardCharsets.UTF_8);
+    public static final String cnHelpMessage = IOUtil.inputStreamToString(Main.class.getResourceAsStream("/me/lensfrex/manager/cnHelpMessage.txt"), StandardCharsets.UTF_8);
-    public static final String studentInformationExample = IOUtil.inputStreamToString(Main.class.getResourceAsStream("/me.lensfrex.manager/studentInformationExample.txt"), StandardCharsets.UTF_8);
+    public static final String studentInformationExample = IOUtil.inputStreamToString(Main.class.getResourceAsStream("/me/lensfrex/manager/studentInformationExample.txt"), StandardCharsets.UTF_8);
 
     private final StudentManager studentManager = new StudentManager();
 

src/main/java/me/lensfrex/manager/data/manager/StudentManager.java

@@ -22,7 +22,7 @@ public class StudentManager {
 
     /**
      * 增添学生。输入的字符串格式应为 [id] [name] ...[subjectName,score]
-     * 如： 23333333 Lag English,100 Math,99 History,98
+     * 如： 2333 LagSeeing English,100 Math,99 History,98
      *
      * @param input 待添加的学生信息
      */
@@ -152,7 +152,7 @@ public class StudentManager {
     /**
      * 按学生总分由高到低生成名次表
      *
-     * @return 名次表字符串
+     * @return 按顺序记录的名次表ArrayList
      */
     public ArrayList<String> generateRankingTable() {
         ArrayList<String> rankingTable = new ArrayList<>();
@@ -174,7 +174,7 @@ public class StudentManager {
     /**
      * 按学生学号由小到大生成成绩表
      *
-     * @return 成绩表字符串
+     * @return 按学号顺序记录的成绩表ArrayList
      */
     public ArrayList<String> generateScoreTableById() {
         ArrayList<String> scoreTable = new ArrayList<>();
@@ -188,9 +188,9 @@ public class StudentManager {
     }
 
     /**
-     * 按学生学号由小到大生成成绩表
+     * 按学生姓名由小到大生成成绩表
      *
-     * @return 成绩表字符串
+     * @return 按姓名顺序记录的成绩表ArrayList
      */
     public ArrayList<String> generateScoreTableByName() {
         ArrayList<String> scoreTable = new ArrayList<>();
@@ -207,7 +207,7 @@ public class StudentManager {
      * 获取学生信息条目
      *
      * @param student 欲获取学生
-     * @return 学生信息
+     * @return 学生信息字符串
      */
     public String getStudentInfo(Student student) {
         StringBuilder stringBuilder = new StringBuilder();
@@ -241,7 +241,7 @@ public class StudentManager {
     /**
      * 列出所有科目的成绩信息，包括总分、平均分
      *
-     * @return 信息字符串
+     * @return 含有科目成绩信息记录的ArrayList
      */
     public ArrayList<String> generateAllSubjectInfo() {
         ArrayList<String> subjects = this.getSubjects();
@@ -317,23 +317,23 @@ public class StudentManager {
      * 获取某科目成绩分析HashMap
      *
      * @param subject 欲分析的科目
-     * @return 成绩等级人数
+     * @return 成绩等级人数数组（长度为5，对应ABCDE五个等级）
      */
     private int[] getSubjectAnalysis(String subject) {
         ArrayList<Integer> scores = new ArrayList<>(managerTool.getSubjectScores(subject).values());
-        int[] scoreAnalysis = new int[5];
+        int[] scoreLevelStudentNumber = new int[5];
 
         for (int score : scores) {
-            scoreAnalysis[getScoreLevel(score)]++;
+            scoreLevelStudentNumber[getScoreLevel(score)]++;
         }
 
-        return scoreAnalysis;
+        return scoreLevelStudentNumber;
     }
 
     /**
      * 获取所有成绩分析HashMap
      *
-     * @return 成绩等级人数
+     * @return 包含有成绩等级人数的HashMap，key为科目名称，value为层次人数数组
      */
     public HashMap<String, int[]> getAllSubjectAnalysis() {
         ArrayList<String> subjects = managerTool.getAllSubjects();

src/main/java/me/lensfrex/manager/sqlite/DataTypes.java

@@ -1,8 +0,0 @@
-package me.lensfrex.manager.sqlite;
-
-public class DataTypes {
-    public static final String SQL_DATA_TYPE_NUMBER = "int";
-    public static final String SQL_DATA_TYPE_TEXT = "text";
-    public static final String SQL_DATA_TYPE_REAL = "real";
-    public static final String SQL_DATA_TYPE_NULL = "null";
-}

src/main/java/me/lensfrex/manager/sqlite/SQLiteTool.java

@@ -1,99 +0,0 @@
-package me.lensfrex.manager.sqlite;
-
-import java.sql.Connection;
-import java.sql.DriverManager;
-import java.sql.SQLException;
-import java.sql.Statement;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * SQL操作的简单封装...
- * 试图手动封装SQL操作...
- * 有BUG？这就对了
- * SQL语句仍在学习中...
- * SQL语句拼接怎么这么麻烦...
- */
-public class SQLiteTool {
-    private static final String DATABASE_LOCATION = "student.db";
-
-    private Connection dbConnection;
-    private Statement statement;
-
-    /**
-     * 初始化数据库文件，若成功则返回true，若数据库初始化出现异常则返回false。
-     * 不保证数据库中存在欲操作的表，需手动确认。
-     *
-     * @return 初始化是否成功，若成功则返回true，若数据库初始化出现异常则返回false。
-     */
-    public boolean initDatabase() {
-        try {
-            Class.forName("org.sqlite.JDBC");
-            this.dbConnection = DriverManager.getConnection("jdbc:sqlite:" + DATABASE_LOCATION);
-            this.statement = dbConnection.createStatement();
-
-            return true;
-        } catch (Exception e) {
-            System.out.println("Some errors happens when initialing database.");
-            e.printStackTrace();
-            return false;
-        }
-    }
-
-    /**
-     * 向数据库中创建一个表。
-     *
-     * @param tableName 数据库表的名称
-     * @param columns   数据库表列的参数，map中key为列的名称，value为其相应的数据类型。
-     * @throws SQLException 如果创建表的过程中发生错误
-     */
-    public void createTable(String tableName, HashMap<String, String> columns) throws SQLException {
-        StringBuilder stringBuilder = new StringBuilder("create table %s (");
-
-        for (Map.Entry<String, String> column : columns.entrySet()) {
-            stringBuilder.append(String.format("%s %s, ", column.getKey(), column.getValue()));
-        }
-
-        String createStatement = stringBuilder
-                .replace(stringBuilder.lastIndexOf(","), stringBuilder.lastIndexOf(",") + 2, ")")
-                .toString();
-
-        statement.executeUpdate(createStatement);
-    }
-
-    /**
-     * 查询表格是否存在。
-     *
-     * @param tableName 表格名
-     * @return 存在，返回true，否则返回false；
-     */
-    public boolean isTableExists(String tableName) {
-        String tryStatement = String.format("select * from %s", tableName);
-        try {
-            statement.executeQuery(tryStatement);
-            return true;
-        } catch (Exception e) {
-            return false;
-        }
-    }
-
-    /**
-     * 向数据库里插入一条记录。
-     *
-     * @param table  表格名
-     * @param values 每一列的数据值，文本类型数据应使用单引号 ' 括住
-     * @throws SQLException 如果执行的过程中发生错误
-     */
-    public void insert(String table, String... values) throws SQLException {
-        StringBuilder stringBuilder = new StringBuilder();
-        stringBuilder.append("insert into ").append(table).append(" values ( ");
-        for (String value : values) {
-            stringBuilder.append(value).append(' ');
-        }
-        stringBuilder.append(")");
-
-        statement.executeUpdate(stringBuilder.toString());
-    }
-
-}

src/main/resources/META-INF/MANIFEST.MF

@@ -0,0 +1,3 @@
+Manifest-Version: 1.0
+Main-Class: me.lensfrex.manager.Main
+

src/main/resources/me/lensfrex/manager/cnHelpMessage.txt

@@ -1,5 +1,6 @@
 ----------------------------------------------------------------
                   欢迎来到 SManager-S
+源代码：https://git.ciduid.top/lensfrex/SManager-S
 ----------------------------------------------------------------
 您想做什么：
      1.  添加学生

src/main/resources/me/lensfrex/manager/helpMessage.txt

@@ -1,5 +1,6 @@
 ----------------------------------------------------------------
                  Welcome to SManager-S
+Source code: https://git.ciduid.top/lensfrex/SManager-S
 ----------------------------------------------------------------
 Do you want to:
     1. Input record