必須段階実装完了

5段階目まで完了
1日目　2段階目まで
2026-10-30 16:48:29 +09:00 · 2026-10-29 15:49:27 +09:00 · 2026-10-28 16:58:58 +09:00
5 changed files with 247 additions and 220 deletions
--- a/sql/CreateTable-MySQL.sql
+++ b/sql/CreateTable-MySQL.sql
@@ -37,4 +37,3 @@ INSERT INTO department (nm_department) VALUES ('経理部');
 INSERT INTO department (nm_department) VALUES ('システム開発事業部');
 INSERT INTO department (nm_department) VALUES ('教育事業部');
 INSERT INTO department (nm_department) VALUES ('営業企画部');
-
--- a/src/com/rhizome/example/dao/EmployeeDAO.java
+++ b/src/com/rhizome/example/dao/EmployeeDAO.java
@@ -61,129 +61,124 @@ public class EmployeeDAO {
 			this.stmt = con.prepareStatement(sql.toString());
 			rs = stmt.executeQuery();
 			while (rs.next()) {
-				EmployeeDTO emp = new EmployeeDTO();
-				emp.setId(rs.getInt("id_employee"));
-                emp.setName(rs.getString("nm_employee"));
-                emp.setKana(rs.getString("kn_employee"));
-                emp.setEmail(rs.getString("mail_address"));
-                emp.setPass(rs.getString("password"));
-                emp.setIdDep(rs.getInt("id_department"));
+				EmployeeDTO dto = new EmployeeDTO();
+				dto.setId(rs.getInt("id_employee"));
+				dto.setName(rs.getString("nm_employee"));
+				dto.setKana(rs.getString("kn_employee"));
+				dto.setEmail(rs.getString("mail_address"));
+				dto.setPass(rs.getString("password"));
+				dto.setIdDep(rs.getInt("id_department"));
+
+				rtnList.add(dto);

-                rtnList.add(emp);
 			}
 		} finally {
-			DbUtil.closeStatement(this.stmt);
+			DbUtil.closeStatement(this.stmt);
 		}
 		return rtnList;
 	}

-	//指定されたIDの社員データを取得する
-	public  List<EmployeeDTO> selectById(int id_employee)throws SQLException, ClassNotFoundException{
+	public java.util.List<EmployeeDTO> selectById(int id)
+			throws java.sql.SQLException, java.lang.ClassNotFoundException, java.lang.NumberFormatException {
 		List<EmployeeDTO> rtnList = new ArrayList<>();
 		StringBuilder sql = new StringBuilder();
-		sql.append(" SELECT ");
-		sql.append("    " + "*");
-		sql.append(" FROM ");
-		sql.append("    " + TBL_NAME);
-		sql.append(" WHERE ");
-		sql.append(" ID_EMPLOYEE = ?");
+		sql.append(" SELECT * FROM ");
+		sql.append(TBL_NAME);
+		sql.append(" WHERE id_employee = ?");

 		try {
+
 			this.stmt = con.prepareStatement(sql.toString());
-			this.stmt.setInt(1,id_employee );
+			stmt.setInt(1, id);
 			rs = stmt.executeQuery();
+
 			while (rs.next()) {
-				EmployeeDTO emp = new EmployeeDTO();
-				emp.setId(rs.getInt("id_employee"));
-                emp.setName(rs.getString("nm_employee"));
-                emp.setKana(rs.getString("kn_employee"));
-                emp.setEmail(rs.getString("mail_address"));
-                emp.setPass(rs.getString("password"));
-                emp.setIdDep(rs.getInt("id_department"));

-                rtnList.add(emp);
+				EmployeeDTO dto = new EmployeeDTO();
+				dto.setId(rs.getInt("id_employee"));
+				dto.setName(rs.getString("nm_employee"));
+				dto.setKana(rs.getString("kn_employee"));
+				dto.setEmail(rs.getString("mail_address"));
+				dto.setPass(rs.getString("password"));
+				dto.setIdDep(rs.getInt("id_department"));
+
+				rtnList.add(dto);
+
 			}
+
 		} finally {
-			DbUtil.closeStatement(this.stmt);
-		}
-		return rtnList;
+			DbUtil.closeStatement(this.stmt);
 		}

-	//指定された社員のデータを削除する
-	public  void empDelete(int id_employee)throws SQLException, ClassNotFoundException{
-		//SQL文の作成
+		return rtnList;
+
+	}
+
+	public void empDelete(int id) throws java.lang.ClassNotFoundException, java.sql.SQLException {
 		StringBuilder sql = new StringBuilder();
-		sql.append(" DELETE ");
-		sql.append("    ");
-		sql.append(" FROM ");
-		sql.append("    " + TBL_NAME);
-		sql.append(" WHERE ");
-		sql.append(" ID_EMPLOYEE = ?");
+		sql.append(" DELETE FROM ");
+		sql.append(TBL_NAME);
+		sql.append(" WHERE id_employee = ?");

 		try {
-			//SQL文の組み立て結果を保存
-			this.stmt = con.prepareStatement(sql.toString());
-			//?に代入
-			this.stmt.setInt(1,id_employee );
-			//削除命令
-			stmt.executeUpdate();
+			this.stmt = this.con.prepareStatement(sql.toString());
+			this.stmt.setInt(1, id);
+			this.stmt.executeUpdate();
+
 		} finally {
-		DbUtil.closeStatement(this.stmt);
+			DbUtil.closeStatement(this.stmt);
 		}
 	}

-	public  void empInsert(String name, String kana, String email, 
-			String password, Integer idDep)throws SQLException, ClassNotFoundException{
+	public void empInsert(java.lang.String name, java.lang.String kana, java.lang.String mail, java.lang.String pass,
+			int depId) throws java.lang.NumberFormatException, java.sql.SQLException, java.lang.ClassNotFoundException {
+		//List<EmployeeDTO> rtnList = new ArrayList<>();
 		StringBuilder sql = new StringBuilder();
-		sql.append(" INSERT ");
-		sql.append("    " + " INTO ");
-		sql.append("    " + TBL_NAME);
-		sql.append(" ( ");
-		sql.append("    " + NM_EMPLOYEE + ", " + KN_EMPLOYEE + ", " +
-		MAIL_ADDRESS + ", " + PASSWORD + ", " + ID_DEPARTMENT);
-		sql.append(" ) ");
-
+		sql.append(" INSERT INTO " + TBL_NAME);
+		sql.append("    (nm_employee, kn_employee, mail_address, password, id_department) ");
 		sql.append(" VALUES ");
 		sql.append("    (?, ?, ?, ?, ?) ");

 		try {
 			this.stmt = con.prepareStatement(sql.toString());
+
 			this.stmt.setString(1, name);
 			this.stmt.setString(2, kana);
-			this.stmt.setString(3,email );
-			this.stmt.setString(4,password );
-			this.stmt.setInt(5,idDep );
-			stmt.executeUpdate();
+			this.stmt.setString(3, mail);
+			this.stmt.setString(4, pass);
+			this.stmt.setInt(5, depId);
+
+			this.stmt.executeUpdate();
+
 		} finally {
-			DbUtil.closeStatement(this.stmt);
+			DbUtil.closeStatement(this.stmt);
 		}
 	}

-	public void empUpdate(Integer id, String name, String kana, String email, 
-			String password, Integer idDep)throws SQLException, ClassNotFoundException{
+	public void empUpdate(int id, java.lang.String name, java.lang.String kana, java.lang.String mail,
+			java.lang.String pass, int depId)
+			throws java.lang.ClassNotFoundException, java.sql.SQLException, java.lang.NumberFormatException {
 		StringBuilder sql = new StringBuilder();
 		sql.append(" UPDATE ");
-		sql.append("    " + TBL_NAME);
+		sql.append(TBL_NAME);
 		sql.append(" SET ");
-		sql.append("	" + NM_EMPLOYEE + "= ?,");
-		sql.append("	" + KN_EMPLOYEE + "= ?,");
-		sql.append("	" + MAIL_ADDRESS + "= ?,");
-		sql.append("	" + PASSWORD + "= ?,");
-		sql.append("	" + ID_DEPARTMENT + "= ?");
-		sql.append(" WHERE ");
-		sql.append(ID_EMPLOYEE + "= ?");
+		sql.append(" nm_employee = ?, kn_employee = ?, mail_address = ?, password = ?, id_department = ? ");
+		sql.append(" WHERE id_employee = ? ");

 		try {
 			this.stmt = con.prepareStatement(sql.toString());
+
 			this.stmt.setString(1, name);
 			this.stmt.setString(2, kana);
-			this.stmt.setString(3,email );
-			this.stmt.setString(4,password );
-			this.stmt.setInt(5,idDep );
+			this.stmt.setString(3, mail);
+			this.stmt.setString(4, pass);
+			this.stmt.setInt(5, depId);
 			this.stmt.setInt(6, id);
-			stmt.executeUpdate();
+
+			this.stmt.executeUpdate();
+
 		} finally {
-			DbUtil.closeStatement(this.stmt);
+			DbUtil.closeStatement(this.stmt);
 		}
 	}

--- a/src/com/rhizome/example/dto/EmployeeDTO.java
+++ b/src/com/rhizome/example/dto/EmployeeDTO.java
@@ -1,6 +1,7 @@
 package com.rhizome.example.dto;

 public class EmployeeDTO {
+
 	private Integer id;
 	private String name;
 	private String kana;
@@ -11,37 +12,49 @@ public class EmployeeDTO {
 	public Integer getId() {
 		return id;
 	}
+
 	public void setId(Integer id) {
 		this.id = id;
 	}
+
 	public String getName() {
 		return name;
 	}
+
 	public void setName(String name) {
 		this.name = name;
 	}
+
 	public String getKana() {
 		return kana;
 	}
+
 	public void setKana(String kana) {
 		this.kana = kana;
 	}
+
 	public String getEmail() {
 		return email;
 	}
+
 	public void setEmail(String email) {
 		this.email = email;
 	}
+
 	public String getPass() {
 		return pass;
 	}
+
 	public void setPass(String pass) {
 		this.pass = pass;
 	}
+
 	public Integer getIdDep() {
 		return idDep;
 	}
+
 	public void setIdDep(Integer idDep) {
 		this.idDep = idDep;
 	}
+
 }
--- a/src/com/rhizome/example/main/Main.java
+++ b/src/com/rhizome/example/main/Main.java
@@ -91,23 +91,119 @@ public class Main {
 				empList = empDao.selectAll();
 				break;
 			case "2":
-				String strId =inputCheck("ID", true);
-				int ID = Integer.parseInt(strId);
-				empList = empDao.selectById(ID);
+				String idStr = inputCheck("ID", true);
+				int id = Integer.parseInt(idStr);
+				empList = empDao.selectById(id);
 				break;
 			default:
 				return;
 			}
-			if(empList.isEmpty()) {
-				System.out.println("入力された値で情報がみつかりませんでした");
-			}else{
 			for (EmployeeDTO emp : empList) {
-				System.out.println(emp.getId() + "\t" + emp.getName() + "\t" + 
-					emp.getKana() + "\t" + emp.getEmail() + "\t" + emp.getPass() + "\t" + emp.getIdDep());
-			}
+				System.out.println(
+
+						emp.getId() + "\t" +
+								emp.getName() + "\t" +
+								emp.getKana() + "\t" +
+								emp.getEmail() + "\t" +
+								emp.getPass() + "\t" +
+								emp.getIdDep()
+
+				);
 			}
+
 		} finally {
-			DbUtil.closeConnection(empDao.con);
+			DbUtil.closeConnection(empDao.con);
+		}
+	}
+
+	public static void empInsert()
+			throws java.lang.NumberFormatException, java.lang.ClassNotFoundException, java.sql.SQLException {
+		//List<EmployeeDTO> empList = new ArrayList<>();
+		Connection con = DbUtil.getConnection();
+		EmployeeDAO empDao = new EmployeeDAO(con);
+
+		try {
+
+			String name = inputCheck("社員名", false);
+			String kana = inputCheck("フリガナ", false);
+			String mail = inputCheck("メールアドレス", false);
+			String pass = inputCheck("パスワード", false);
+			String depIdstr = inputCheck("部署ID", true);
+
+			int depId = Integer.parseInt(depIdstr);
+
+			System.out.println("登録が完了しました");
+
+			empDao.empInsert(name, kana, mail, pass, depId);
+
+		} finally {
+			DbUtil.closeConnection(empDao.con);
+		}
+
+	}
+
+	public static void empUpdate()
+			throws java.lang.NumberFormatException, java.lang.ClassNotFoundException, java.sql.SQLException {
+		Connection con = DbUtil.getConnection();
+		EmployeeDAO empDao = new EmployeeDAO(con);
+
+		try {
+
+			String idstr = inputCheck("ID", true);
+			int id = Integer.parseInt(idstr);
+
+			List<EmployeeDTO> checkList = empDao.selectById(id);
+			if (checkList.size() == 0) {
+				System.out.println("入力された値で情報がみつかりませんでした");
+				return;
+			}
+
+			String name = inputCheck("社員名", false);
+			String kana = inputCheck("フリガナ", false);
+			String mail = inputCheck("メールアドレス", false);
+			String pass = inputCheck("パスワード", false);
+			String depIdstr = inputCheck("部署ID", true);
+
+			int depId = Integer.parseInt(depIdstr);
+
+			empDao.empUpdate(id, name, kana, mail, pass, depId);
+
+			System.out.println("更新が完了しました");
+
+		} finally {
+			DbUtil.closeConnection(empDao.con);
+		}
+
+	}
+
+	public static void empDelete() throws ClassNotFoundException, SQLException {
+		//List<EmployeeDTO> empList = new ArrayList<>();
+		Connection con = DbUtil.getConnection();
+		EmployeeDAO empDao = new EmployeeDAO(con);
+
+		try {
+
+			String idStr = inputCheck("ID", true);
+			int id = Integer.parseInt(idStr);
+
+			List<EmployeeDTO> checkList = empDao.selectById(id);
+			if (checkList.size() == 0) {
+				System.out.println("入力された値で情報がみつかりませんでした");
+				return;
+			}
+
+			System.out.println("指定されたIDの情報を削除します？ Y/y");
+			System.out.println("（Y/y以外の入力であればキャンセル）");
+			String yY = sc.nextLine();
+			if (!"y".equals(yY) && !"Y".equals(yY)) {
+				System.out.println("削除をキャンセルしました");
+				return;
+			}
+			empDao.empDelete(id);
+			System.out.println("削除が完了しました");
+
+		} finally {
+			DbUtil.closeConnection(empDao.con);
 		}
 	}

@@ -160,81 +256,4 @@ public class Main {
 		}
 		return str;
 	}
-	
-	public static void empDelete() throws ClassNotFoundException, SQLException {
-		//リスト作成
-		List<EmployeeDTO> empList = new ArrayList<>();
-		//DB接続
-		Connection con = DbUtil.getConnection();
-		//DAOインスタンス生成
-		EmployeeDAO empDao = new EmployeeDAO(con);
-		try {
-			//入力された文字列をdelIdに保存
-			String delId =inputCheck("ID", true);
-			//入力された文字列を整数に変換して保存
-			int ID = Integer.parseInt(delId);
-			//入力されたIDに一致するデータを保存
-			empList = empDao.selectById(ID);
-			//リストが空＝一致なし
-			if(empList.isEmpty()) {
-				System.out.println("入力された値で情報がみつかりませんでした");
-			}else {
-				System.out.println("指定されたIDの情報を削除します？ Y/y");
-				//削除の同意受付
-				String agr = sc.nextLine();
-				//同意が得られたら
-				if("Y".equals(agr) || "y".equals(agr)) {
-					//削除メソッド実行し削除
-					empDao.empDelete(ID);
-					System.out.println("削除が完了しました");
-				}
-			}
-		}finally {
-			DbUtil.closeConnection(empDao.con);
-		}
-	}
-	
-	public static void empInsert() throws ClassNotFoundException, SQLException {
-		Connection con = DbUtil.getConnection();
-		EmployeeDAO empDao = new EmployeeDAO(con);
-		try {
-			String name = inputCheck("社員名",false);
-			String kana = inputCheck("フリガナ", false);
-			String email = inputCheck("メールアドレス", false);
-			String password = inputCheck("パスワード", false);
-			String depId = inputCheck("部署ID", true);
-			int dID = Integer.parseInt(depId);
-			
-			empDao.empInsert(name,kana,email,password,dID);
-			System.out.println("登録が完了しました");
-	}finally {
-		DbUtil.closeConnection(empDao.con);
-		}
-	}
-	public static void empUpdate() throws ClassNotFoundException, SQLException{
-		List<EmployeeDTO> empList = new ArrayList<>();
-		Connection con = DbUtil.getConnection();
-		EmployeeDAO empDao = new EmployeeDAO(con);
-		try {
-			String delId =inputCheck("ID", true);
-			int ID = Integer.parseInt(delId);
-			empList = empDao.selectById(ID);
-			if(empList.isEmpty()) {
-				System.out.println("入力された値で情報がみつかりませんでした");
-			return;
-			}
-			
-			String name = inputCheck("社員名",false);
-			String kana = inputCheck("フリガナ", false);
-			String email = inputCheck("メールアドレス", false);
-			String password = inputCheck("パスワード", false);
-			String depId = inputCheck("部署ID", true);
-			int dID = Integer.parseInt(depId);
-			
-			empDao.empUpdate(ID,name,kana,email,password,dID);
-			System.out.println("更新が完了しました");
-		}finally {
-			DbUtil.closeConnection(empDao.con);
-		}
-	}
 }
--- a/src/com/rhizome/example/util/DbUtil.java
+++ b/src/com/rhizome/example/util/DbUtil.java
@@ -2,8 +2,6 @@ package com.rhizome.example.util;

 import java.sql.Connection;
 import java.sql.DriverManager;
-import java.sql.PreparedStatement;
-import java.sql.SQLException;

 public class DbUtil {
 	// 定数定義（共通）
@@ -44,13 +42,9 @@ public class DbUtil {
 	 * 				  生成されたConnectionを返却する
 	 * 				  ※Connection生成には上記の定数を活用してください
 	 */
-		public static Connection getConnection() throws ClassNotFoundException, SQLException{
-			Class.forName("com.mysql.cj.jdbc.Driver");
-			con = DriverManager.getConnection(
-					"jdbc:mysql://127.0.0.1:3306/rezodb",
-					"rezouser",
-					"Rezo_0000"
-					);
+
+	public static java.sql.Connection getConnection() throws java.lang.ClassNotFoundException, java.sql.SQLException {
+		con = DriverManager.getConnection(DB_URL, DB_USER, DB_PASS);
 		return con;
 	}

@@ -63,7 +57,8 @@ public class DbUtil {
 	 * 例外			：SQLException
 	 * 処理			：引数のDBステートメントがnullでない場合、そのDBステートメントをクローズする
 	 */
-		public static void closeStatement(PreparedStatement stmt) throws SQLException{
+
+	public static void closeStatement(java.sql.PreparedStatement stmt) throws java.sql.SQLException {
 		if (stmt != null) {
 			stmt.close();
 		}
@@ -78,10 +73,16 @@ public class DbUtil {
 	 * 例外			：SQLException
 	 * 処理			：引数のコネクションがnullでない場合、そのコネクションを切断する
 	 */
-		public static void closeConnection(Connection con) throws SQLException{
-			if(con != null) {
+
+	//public static void closeConnection(Connection con) throws SQLException {
+	//if (con != null) {
+	//con.close();
+	//}
+	//
+
+	public static void closeConnection(java.sql.Connection con) throws java.sql.SQLException {
+		if (con != null)
 			con.close();
 	}
-		}

 }
Author	SHA1	Message	Date
瓦　昴世	6493baccef	必須段階実装完了	2026-10-30 16:48:29 +09:00
瓦　昴世	f909550b87	5段階目まで完了	2026-10-29 15:49:27 +09:00
瓦　昴世	df7972c662	1日目　2段階目まで	2026-10-28 16:58:58 +09:00