From c65c3b1db800bb5946f96aaea7f2d392eb10f2ea Mon Sep 17 00:00:00 2001
From: t-eguchi <26-t-eguchi-tmn@it-college.co.jp>
Date: Wed, 30 Sep 2026 13:02:23 +0900
Subject: [PATCH] =?UTF-8?q?3=E6=AE=B5=E9=9A=8E=E7=9B=AE=E7=B5=82=E4=BA=86?=
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---
 src/com/rhizome/example/dao/EmployeeDAO.java | 25 ++++++++++++++++++++
 src/com/rhizome/example/main/Main.java       |  5 ++++
 2 files changed, 30 insertions(+)

diff --git a/src/com/rhizome/example/dao/EmployeeDAO.java b/src/com/rhizome/example/dao/EmployeeDAO.java
index 380968b..1b74152 100644
--- a/src/com/rhizome/example/dao/EmployeeDAO.java
+++ b/src/com/rhizome/example/dao/EmployeeDAO.java
@@ -76,4 +76,29 @@ public class EmployeeDAO {
 		return rtnList;
 	}
 
+	//社員テーブルから指定された社員IDに一致するデータを取得し、DTOに設定の上、リスト形式で戻
+	public List<EmployeeDTO> selectById(int id_employee) throws SQLException {
+		List<EmployeeDTO> list = new ArrayList<>();
+		String sql = "SELECT * FROM employee WHERE ID_EMPLOYEE = ?";
+		try {
+
+			this.stmt = con.prepareStatement(sql.toString());
+			this.stmt.setInt(1, id_employee);
+			this.rs = this.stmt.executeQuery();
+			while (rs.next()) {
+				EmployeeDTO dto = new EmployeeDTO();
+				dto.setID_EMPLOYEE(rs.getInt("ID_EMPLOYEE"));
+				dto.setNM_EMPLOYEE(rs.getString("NM_EMPLOYEE"));
+				dto.setKN_EMPLOYEE(rs.getString("KN_EMPLOYEE"));
+				dto.setMAIL_ADDRESS(rs.getString("MAIL_ADDRESS"));
+				dto.setPASSWORD(rs.getString("PASSWORD"));
+				dto.setID_DEPARTMENT(rs.getInt("ID_DEPARTMENT"));
+				list.add(dto);
+			}
+		} finally {
+			DbUtil.closeStatement(this.stmt);
+
+		}
+		return list;
+	}
 }
diff --git a/src/com/rhizome/example/main/Main.java b/src/com/rhizome/example/main/Main.java
index a20592f..8b26a89 100644
--- a/src/com/rhizome/example/main/Main.java
+++ b/src/com/rhizome/example/main/Main.java
@@ -87,6 +87,11 @@ public class Main {
 			case "1":
 				empList = empDao.selectAll();
 				break;
+			case "2":
+				String inputId = inputCheck("検索する社員ID", true);
+				int input = Integer.parseInt(inputId);
+				empList = empDao.selectById(input);
+				break;
 			default:
 				return;
 			}