From 33070d1dc69256bebf51df861fa0fd038d267afd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=9F=B3=E5=8E=9F=E3=80=80=E5=8F=B6=E5=A4=A7?=
 <26-k-ishihara-acrowavenet@it-college.co.jp>
Date: Fri, 30 Oct 2026 17:02:38 +0900
Subject: [PATCH] =?UTF-8?q?10/30=209-1=E3=81=BE=E3=81=A7=E5=AE=8C=E4=BA=86?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../rhizome/example/dao/DepartmentDAO.java    | 168 +++++++++-----
 src/com/rhizome/example/dao/EmployeeDAO.java  | 205 ++++++++++++++++++
 src/com/rhizome/example/main/Main.java        | 175 +++++++++++++--
 3 files changed, 464 insertions(+), 84 deletions(-)

diff --git a/src/com/rhizome/example/dao/DepartmentDAO.java b/src/com/rhizome/example/dao/DepartmentDAO.java
index 7dc9fbb..b8e573c 100644
--- a/src/com/rhizome/example/dao/DepartmentDAO.java
+++ b/src/com/rhizome/example/dao/DepartmentDAO.java
@@ -106,89 +106,137 @@ public class DepartmentDAO {
 		return rtnList;
 	}
 	
+	//部署名検索
+	public List<DepartmentDTO> selectByName(String name) throws SQLException {
+	    //戻り値用リスト
+	    List<DepartmentDTO> rtnList = new ArrayList<>();
+	    //SQL作成
+	    StringBuilder sql = new StringBuilder();
+
+	    sql.append(" SELECT * ");
+	    sql.append(" FROM department ");
+	    sql.append(" WHERE nm_department = ? ");
+
+	    try {
+	        //PreparedStatement生成
+	        stmt = con.prepareStatement(sql.toString());
+	        //部署名を設定
+	        stmt.setString(1, name);
+	        //SQL実行
+	        rs = stmt.executeQuery();
+	        //検索結果をDTOへ格納
+	        while (rs.next()) {
+	            //DTO生成
+	            DepartmentDTO dto =  new DepartmentDTO();
+	            //検索結果をDTOへセット
+	            dto.setIdDepartment(rs.getInt(ID_DEPARTMENT));
+	            dto.setNmDepartment(rs.getString(NM_DEPARTMENT));
+
+	            //リストへ追加
+	            rtnList.add(dto);
+	        }
+
+	    } finally {
+
+	        DbUtil.closeStatement(stmt);
+	    }
+
+	    //検索結果を返却
+	    return rtnList;
+	}
+
 	//部署情報削除
 	public void deptDelete(int id) throws SQLException {
-	    //SQL作成
-	    StringBuilder sql = new StringBuilder();
-	    sql.append(" DELETE ");
-	    sql.append(" FROM ");
-	    sql.append("    " + TBL_NAME);
-	    sql.append(" WHERE ");
-	    sql.append("    " + ID_DEPARTMENT + " = ?");
+		//SQL作成
+		StringBuilder sql = new StringBuilder();
+		sql.append(" DELETE ");
+		sql.append(" FROM ");
+		sql.append("    " + TBL_NAME);
+		sql.append(" WHERE ");
+		sql.append("    " + ID_DEPARTMENT + " = ?");
 
-	    try {
-	        //PreparedStatement生成
-	        stmt = con.prepareStatement(sql.toString());
-	        //値設定
-	        stmt.setInt(1, id);
-	        //SQL実行
-	        stmt.executeUpdate();
+		try {
+			//PreparedStatement生成
+			stmt = con.prepareStatement(sql.toString());
+			//値設定
+			stmt.setInt(1, id);
+			//SQL実行
+			stmt.executeUpdate();
 
-	    } finally {
+		} finally {
 
-	        DbUtil.closeStatement(stmt);
-	    }
+			DbUtil.closeStatement(stmt);
+		}
 	}
-	
+
 	//部署情報登録
 	public void deptInsert(
-	        String departmentName)
-	        throws SQLException {
-	    //SQL作成
-	    StringBuilder sql = new StringBuilder();
+			String departmentName)
+					throws SQLException {
+		//SQL作成
+		StringBuilder sql = new StringBuilder();
 
-	    sql.append(" INSERT INTO department ");
-	    sql.append(" ( ");
-	    sql.append(" nm_department ");
-	    sql.append(" ) ");
-	    sql.append(" VALUES ");
-	    sql.append(" (?) ");
+		sql.append(" INSERT INTO department ");
+		sql.append(" ( ");
+		sql.append(" nm_department ");
+		sql.append(" ) ");
+		sql.append(" VALUES ");
+		sql.append(" (?) ");
 
-	    try {
+		try {
 
-	        //PreparedStatement生成
-	        stmt = con.prepareStatement(sql.toString());
-	        //値設定
-	        stmt.setString(1, departmentName);
-	        //SQL実行
-	        stmt.executeUpdate();
+			//PreparedStatement生成
+			stmt = con.prepareStatement(sql.toString());
+			//値設定
+			stmt.setString(1, departmentName);
+			//SQL実行
+			stmt.executeUpdate();
 
-	    } finally {
+		} finally {
 
-	        DbUtil.closeStatement(stmt);
-	    }
+			DbUtil.closeStatement(stmt);
+		}
 	}
-	
+
 	//部署情報更新
 	public void deptUpdate(
-	        int id,
-	        String departmentName)
-	        throws SQLException {
+			int id,
+			String departmentName)
+					throws SQLException {
 
-	    //SQL作成
-	    StringBuilder sql = new StringBuilder();
+		//SQL作成
+		StringBuilder sql = new StringBuilder();
 
-	    sql.append(" UPDATE department ");
-	    sql.append(" SET ");
-	    sql.append(" nm_department = ? ");
-	    sql.append(" WHERE id_department = ? ");
+		sql.append(" UPDATE department ");
+		sql.append(" SET ");
+		sql.append(" nm_department = ? ");
+		sql.append(" WHERE id_department = ? ");
 
-	    try {
+		try {
 
-	        //PreparedStatement生成
-	        stmt = con.prepareStatement(sql.toString());
-	        //値設定
-	        stmt.setString(1, departmentName);
-	        stmt.setInt(2, id);
+			//PreparedStatement生成
+			stmt = con.prepareStatement(sql.toString());
+			//値設定
+			stmt.setString(1, departmentName);
+			stmt.setInt(2, id);
 
-	        //SQL実行
-	        stmt.executeUpdate();
+			//SQL実行
+			stmt.executeUpdate();
 
-	    } finally {
+		} finally {
 
-	        //Statement切断
-	        DbUtil.closeStatement(stmt);
-	    }
+			//Statement切断
+			DbUtil.closeStatement(stmt);
+		}
+	}
+
+	//部署ID存在確認
+	public boolean existsDepartment(int idDepartment)
+			throws SQLException {
+
+		List<DepartmentDTO> deptList = selectById(idDepartment);
+
+		return deptList.size() > 0;
 	}
 
 }
diff --git a/src/com/rhizome/example/dao/EmployeeDAO.java b/src/com/rhizome/example/dao/EmployeeDAO.java
index 3dee750..c020ee2 100644
--- a/src/com/rhizome/example/dao/EmployeeDAO.java
+++ b/src/com/rhizome/example/dao/EmployeeDAO.java
@@ -138,6 +138,211 @@ public class EmployeeDAO {
 		return rtnList;
 	}
 	
+	// 社員名検索
+	public List<EmployeeDTO> selectByName(String name) throws SQLException {
+	    //戻り値用リスト
+	    List<EmployeeDTO> rtnList = new ArrayList<>();
+	    //SQL作成
+	    StringBuilder sql = new StringBuilder();
+
+	    sql.append(" SELECT ");
+	    sql.append(" employee.id_employee ");
+	    sql.append(" ,employee.nm_employee ");
+	    sql.append(" ,employee.kn_employee ");
+	    sql.append(" ,employee.mail_address ");
+	    sql.append(" ,employee.password ");
+	    sql.append(" ,employee.id_department ");
+	    sql.append(" ,department.nm_department ");
+	    sql.append(" FROM employee ");
+	    sql.append(" INNER JOIN department ");
+	    sql.append(" ON employee.id_department = department.id_department ");
+	    sql.append(" WHERE employee.nm_employee = ? ");
+
+	    try {
+
+	        //PreparedStatement生成
+	        stmt = con.prepareStatement(sql.toString());
+
+	        //社員名を設定
+	        stmt.setString(1, name);
+
+	        //SQL実行
+	        rs = stmt.executeQuery();
+
+	        //検索結果をDTOへ格納
+	        while (rs.next()) {
+
+	            //DTO生成
+	            EmployeeDTO dto = new EmployeeDTO();
+
+	            //検索結果をDTOへセット
+	            dto.setIdEmployee(rs.getInt(ID_EMPLOYEE));
+	            dto.setNmEmployee(rs.getString(NM_EMPLOYEE));
+	            dto.setKnEmployee(rs.getString(KN_EMPLOYEE));
+	            dto.setMailAddress(rs.getString(MAIL_ADDRESS));
+	            dto.setPassword(rs.getString(PASSWORD));
+	            dto.setIdDepartment(rs.getInt(ID_DEPARTMENT));
+	            dto.setNmDepartment(rs.getString(NM_DEPARTMENT));
+
+	            //リストへ追加
+	            rtnList.add(dto);
+	        }
+
+	    } finally {
+
+	        DbUtil.closeStatement(stmt);
+	    }
+
+	    //検索結果を返却
+	    return rtnList;
+	}
+	
+	//フリガナ検索
+	public List<EmployeeDTO> selectByKana(String kana) throws SQLException {
+	    //戻り値用リスト
+	    List<EmployeeDTO> rtnList = new ArrayList<>();
+	    //SQL作成
+	    StringBuilder sql = new StringBuilder();
+
+	    sql.append(" SELECT ");
+	    sql.append(" employee.id_employee ");
+	    sql.append(" ,employee.nm_employee ");
+	    sql.append(" ,employee.kn_employee ");
+	    sql.append(" ,employee.mail_address ");
+	    sql.append(" ,employee.password ");
+	    sql.append(" ,employee.id_department ");
+	    sql.append(" ,department.nm_department ");
+	    sql.append(" FROM employee ");
+	    sql.append(" INNER JOIN department ");
+	    sql.append(" ON employee.id_department = department.id_department ");
+	    sql.append(" WHERE employee.kn_employee = ? ");
+
+	    try {
+	        //PreparedStatement生成
+	        stmt = con.prepareStatement(sql.toString());
+	        //フリガナ設定
+	        stmt.setString(1, kana);
+	        //SQL実行
+	        rs = stmt.executeQuery();
+
+	        while (rs.next()) {
+
+	            EmployeeDTO dto = new EmployeeDTO();
+
+	            dto.setIdEmployee(rs.getInt(ID_EMPLOYEE));
+	            dto.setNmEmployee(rs.getString(NM_EMPLOYEE));
+	            dto.setKnEmployee(rs.getString(KN_EMPLOYEE));
+	            dto.setMailAddress(rs.getString(MAIL_ADDRESS));
+	            dto.setPassword(rs.getString(PASSWORD));
+	            dto.setIdDepartment(rs.getInt(ID_DEPARTMENT));
+	            dto.setNmDepartment(rs.getString(NM_DEPARTMENT));
+
+	            rtnList.add(dto);
+	        }
+
+	    } finally {
+
+	        DbUtil.closeStatement(stmt);
+	    }
+
+	    return rtnList;
+	}
+	
+	//メールアドレス検索
+	public List<EmployeeDTO> selectByMail(String mail) throws SQLException {
+	    List<EmployeeDTO> rtnList = new ArrayList<>();
+	    StringBuilder sql = new StringBuilder();
+
+	    sql.append(" SELECT ");
+	    sql.append(" employee.id_employee ");
+	    sql.append(" ,employee.nm_employee ");
+	    sql.append(" ,employee.kn_employee ");
+	    sql.append(" ,employee.mail_address ");
+	    sql.append(" ,employee.password ");
+	    sql.append(" ,employee.id_department ");
+	    sql.append(" ,department.nm_department ");
+	    sql.append(" FROM employee ");
+	    sql.append(" INNER JOIN department ");
+	    sql.append(" ON employee.id_department = department.id_department ");
+	    sql.append(" WHERE employee.mail_address = ? ");
+
+	    try {
+
+	        stmt = con.prepareStatement(sql.toString());
+	        stmt.setString(1, mail);
+	        rs = stmt.executeQuery();
+
+	        while (rs.next()) {
+
+	            EmployeeDTO dto = new EmployeeDTO();
+
+	            dto.setIdEmployee(rs.getInt(ID_EMPLOYEE));
+	            dto.setNmEmployee(rs.getString(NM_EMPLOYEE));
+	            dto.setKnEmployee(rs.getString(KN_EMPLOYEE));
+	            dto.setMailAddress(rs.getString(MAIL_ADDRESS));
+	            dto.setPassword(rs.getString(PASSWORD));
+	            dto.setIdDepartment(rs.getInt(ID_DEPARTMENT));
+	            dto.setNmDepartment(rs.getString(NM_DEPARTMENT));
+
+	            rtnList.add(dto);
+	        }
+
+	    } finally {
+
+	        DbUtil.closeStatement(stmt);
+	    }
+
+	    return rtnList;
+	}
+	
+	//部署名検索
+
+	public List<EmployeeDTO> selectByDepartment(String department) throws SQLException {
+	    List<EmployeeDTO> rtnList = new ArrayList<>();
+	    StringBuilder sql = new StringBuilder();
+
+	    sql.append(" SELECT ");
+	    sql.append(" employee.id_employee ");
+	    sql.append(" ,employee.nm_employee ");
+	    sql.append(" ,employee.kn_employee ");
+	    sql.append(" ,employee.mail_address ");
+	    sql.append(" ,employee.password ");
+	    sql.append(" ,employee.id_department ");
+	    sql.append(" ,department.nm_department ");
+	    sql.append(" FROM employee ");
+	    sql.append(" INNER JOIN department ");
+	    sql.append(" ON employee.id_department = department.id_department ");
+	    sql.append(" WHERE department.nm_department = ? ");
+
+	    try {
+
+	        stmt = con.prepareStatement(sql.toString());
+	        stmt.setString(1, department);
+	        rs = stmt.executeQuery();
+
+	        while (rs.next()) {
+
+	            EmployeeDTO dto = new EmployeeDTO();
+
+	            dto.setIdEmployee(rs.getInt(ID_EMPLOYEE));
+	            dto.setNmEmployee(rs.getString(NM_EMPLOYEE));
+	            dto.setKnEmployee(rs.getString(KN_EMPLOYEE));
+	            dto.setMailAddress(rs.getString(MAIL_ADDRESS));
+	            dto.setPassword(rs.getString(PASSWORD));
+	            dto.setIdDepartment(rs.getInt(ID_DEPARTMENT));
+	            dto.setNmDepartment(rs.getString(NM_DEPARTMENT));
+
+	            rtnList.add(dto);
+	        }
+
+	    } finally {
+
+	        DbUtil.closeStatement(stmt);
+	    }
+
+	    return rtnList;
+	}
+	
 	//社員情報削除
 	public void empDelete(int id) throws SQLException {
 	    //SQL作成
diff --git a/src/com/rhizome/example/main/Main.java b/src/com/rhizome/example/main/Main.java
index 155030f..b1dfed3 100644
--- a/src/com/rhizome/example/main/Main.java
+++ b/src/com/rhizome/example/main/Main.java
@@ -127,11 +127,52 @@ public class Main {
 				break;
 
 			case "2":
+			    //検索項目選択
+				System.out.println("1:ID 2:社員名 3:フリガナ 4:メールアドレス 5:部署名");
+			    String condition = sc.nextLine();
+			    switch (condition) {
 
-				String id = inputCheck("ID", true);
-				empList = empDao.selectById(
-						Integer.parseInt(id));
-				break;
+			    //ID検索
+			    case "1":
+			        String id = inputCheck("ID", true);
+			        empList = empDao.selectById(Integer.parseInt(id));
+
+			        break;
+
+			    //社員名検索
+			    case "2":
+			        String name = inputCheck("社員名", false);
+			        empList = empDao.selectByName(name);
+
+			        break;
+			        
+			        //フリガナ検索
+			    case "3":
+			        String kana = inputCheck("フリガナ", false);
+			        empList = empDao.selectByKana(kana);
+
+			        break;
+
+			    //メールアドレス検索
+			    case "4":
+			        String mail = inputCheck("メールアドレス", false);
+			        empList = empDao.selectByMail(mail);
+
+			        break;
+
+			    //部署名検索
+			    case "5":
+			        String department = inputCheck("部署名", false);
+			        empList = empDao.selectByDepartment(department);
+
+			        break;
+
+			    default:
+
+			        return;
+			    }
+
+			    break;
 
 			default:
 				return;
@@ -333,6 +374,7 @@ public class Main {
 		//DB接続
 		Connection con = DbUtil.getConnection();
 		EmployeeDAO empDao = new EmployeeDAO(con);
+		DepartmentDAO deptDao = new DepartmentDAO(con);
 
 		try {
 
@@ -346,13 +388,35 @@ public class Main {
 			String password = inputCheck("パスワード", false);
 			//部署ID入力
 			String departmentId = inputCheck("部署ID", true);
+			
+		    //部署IDを数値変換
+		    int deptId = Integer.parseInt(departmentId);
+
+		    //入力された部署IDが存在するかチェック
+		    if (!deptDao.existsDepartment(deptId)) {
+
+		        System.out.println("入力された部署IDは存在しません");
+
+		        return;
+		    }
+		    
+		    //登録確認
+		    System.out.println("社員情報を登録しますか？ Y/y");
+		    System.out.println("(Y/y以外の入力であればキャンセル)");
+
+		    String answer = sc.nextLine();
+
+		    if (!"Y".equals(answer) && !"y".equals(answer)) {
+		        return;
+		    }
+			
 			//登録処理
-			empDao.empInsert(
-					name,
-					kana,
-					mail,
-					password,
-					Integer.parseInt(departmentId));
+		    empDao.empInsert(
+		            name,
+		            kana,
+		            mail,
+		            password,
+		            deptId);
 
 			System.out.println("登録が完了しました");
 
@@ -367,6 +431,8 @@ public class Main {
 		//DB接続
 		Connection con = DbUtil.getConnection();
 		EmployeeDAO empDao = new EmployeeDAO(con);
+		//部署テーブル存在確認用DAO生成
+		DepartmentDAO deptDao = new DepartmentDAO(con);
 
 		try {
 			//更新対象ID入力
@@ -396,14 +462,34 @@ public class Main {
 			String password = inputUpdate("パスワード", emp.getPassword());
 			//部署ID入力
 			String departmentId = inputUpdate("部署ID", String.valueOf(emp.getIdDepartment()));
+			
+			//部署IDを数値変換
+			int deptId = Integer.parseInt(departmentId);
+			//入力された部署IDが存在するかチェック
+			if (!deptDao.existsDepartment(deptId)) {
+			    System.out.println("入力された部署IDは存在しません");
+
+			    return;
+			}
+			
+			//更新確認
+			System.out.println("社員情報を更新しますか？ Y/y");
+			System.out.println("(Y/y以外の入力であればキャンセル)");
+
+			String answer = sc.nextLine();
+
+			if (!"Y".equals(answer) && !"y".equals(answer)) {
+			    return;
+			}
+			
 			//更新処理
 			empDao.empUpdate(
-					id,
-					name,
-					kana,
-					mail,
-					password,
-					Integer.parseInt(departmentId));
+			        id,
+			        name,
+			        kana,
+			        mail,
+			        password,
+			        deptId);
 
 			System.out.println("更新が完了しました");
 
@@ -437,19 +523,38 @@ public class Main {
 				deptList = deptDao.selectAll();
 				break;
 
-				//条件検索
+			//条件検索
 			case "2":
-				//部署ID入力
-				String id = inputCheck("ID", true);
+			    //検索項目選択
+			    System.out.println("1:ID 2:部署名");
+			    String condition = sc.nextLine();
+			    switch (condition) {
 
-				//ID検索実行
-				deptList = deptDao.selectById(Integer.parseInt(id));
-				break;
+			    //ID検索
+			    case "1":
+			        String id = inputCheck("ID", true);
+			        deptList = deptDao.selectById(Integer.parseInt(id));
 
-				//メニューへ戻る
+			        break;
+
+			    //部署名検索
+			    case "2":
+			        String name = inputCheck("部署名", false);
+			        deptList = deptDao.selectByName(name);
+
+			        break;
+
+			    default:
+
+			        return;
+			    }
+
+			    break;
+
+			//メニューへ戻る
 			default:
 
-				return;
+			    return;
 			}
 
 			//検索結果0件の場合
@@ -485,6 +590,18 @@ public class Main {
 		try {
 			//部署名入力
 			String departmentName = inputCheck("部署名", false);
+			
+			//登録確認
+			System.out.println("部署情報を登録しますか？ Y/y");
+			System.out.println("(Y/y以外の入力であればキャンセル)");
+
+			String answer = sc.nextLine();
+
+			if (!"Y".equals(answer)  && !"y".equals(answer)) {
+
+			    return;
+			}
+			
 
 			//登録処理
 			deptDao.deptInsert(departmentName);
@@ -520,6 +637,16 @@ public class Main {
 
 			//部署名入力
 			String departmentName = inputCheck("部署名", false);
+			
+			//更新確認
+			System.out.println("部署情報を更新しますか？ Y/y");
+			System.out.println("(Y/y以外の入力であればキャンセル)");
+
+			String answer = sc.nextLine();
+
+			if (!"Y".equals(answer) && !"y".equals(answer)) {
+			    return;
+			}
 
 			//更新処理
 			deptDao.deptUpdate(id, departmentName);