コミットし直し

.classpath

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
-	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="lib" path="lib/mysql-connector-java-8.0.23.jar"/>
-	<classpathentry kind="lib" path="実行例/DAO_Simple.jar"/>
-	<classpathentry kind="output" path="bin"/>
-</classpath>

.gitignore

@@ -1 +0,0 @@
-/bin/

.project

@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>em-jdbc</name>
-	<comment></comment>
-	<projects>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>org.eclipse.wst.validation.validationbuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.jdt.core.javabuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>org.eclipse.jdt.core.javanature</nature>
-		<nature>org.eclipse.wst.jsdt.core.jsNature</nature>
-	</natures>
-</projectDescription>

.settings/.jsdtscope

@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
-	<classpathentry kind="con" path="org.eclipse.wst.jsdt.launching.JRE_CONTAINER"/>
-	<classpathentry kind="con" path="org.eclipse.wst.jsdt.launching.baseBrowserLibrary"/>
-	<classpathentry kind="src" path=""/>
-	<classpathentry kind="output" path=""/>
-</classpath>

.settings/org.eclipse.wst.jsdt.ui.superType.container

@@ -1 +0,0 @@
-org.eclipse.wst.jsdt.launching.JRE_CONTAINER

.settings/org.eclipse.wst.jsdt.ui.superType.name

@@ -1 +0,0 @@
-Global

src/com/rhizome/example/dao/EmployeeDAO.java

@@ -60,15 +60,15 @@ public class EmployeeDAO {
 
 			this.stmt = con.prepareStatement(sql.toString());
 			rs = stmt.executeQuery();
+			//DBのカラムをリストに追加
 			while (rs.next()) {
-				//インスタンス生成
 				EmployeeDTO dto = new EmployeeDTO();
-				dto.setId_employee(rs.getInt("id_employee"));
+				dto.setEmpid(rs.getInt(ID_EMPLOYEE));
-				dto.setNm_employee(rs.getString("nm_employee"));
+				dto.setName(rs.getString(NM_EMPLOYEE));
-				dto.setKn_employee(rs.getString("kn_employee"));
+				dto.setKana(rs.getString(KN_EMPLOYEE));
-				dto.setMail_address(rs.getString("mail_address"));
+				dto.setMail(rs.getString(MAIL_ADDRESS));
-				dto.setPassword(rs.getString("password"));
+				dto.setPass(rs.getString(PASSWORD));
-				dto.setId_department(rs.getInt("id_department"));
+				dto.setDepid(rs.getInt(ID_DEPARTMENT));
 				rtnList.add(dto);
 			}
 		} finally {
@@ -77,4 +77,65 @@ public class EmployeeDAO {
 		return rtnList;
 	}
 
+	public List<EmployeeDTO> selectByld(int id) throws SQLException {
+		List<EmployeeDTO> rtnList = new ArrayList<>();
+		StringBuilder sql = new StringBuilder();
+		//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
+		sql.append(" SELECT ");
+		sql.append("    " + "*");
+		sql.append(" FROM ");
+		sql.append("    " + TBL_NAME);
+		sql.append(" WHERE ");
+		sql.append("    " + ID_EMPLOYEE);
+		sql.append("     =     ");
+		sql.append("    " + id);
+
+		try {
+			this.stmt = con.prepareStatement(sql.toString());
+			rs = stmt.executeQuery();
+			//DBのカラムをリストに追加
+			while (rs.next()) {
+				EmployeeDTO dto = new EmployeeDTO();
+				dto.setEmpid(rs.getInt(ID_EMPLOYEE));
+				dto.setName(rs.getString(NM_EMPLOYEE));
+				dto.setKana(rs.getString(KN_EMPLOYEE));
+				dto.setMail(rs.getString(MAIL_ADDRESS));
+				dto.setPass(rs.getString(PASSWORD));
+				dto.setDepid(rs.getInt(ID_DEPARTMENT));
+				rtnList.add(dto);
+			}
+		} finally {
+			DbUtil.closeStatement(this.stmt);
+		}
+		if (rtnList.size() == 0) {
+			System.out.println("入力された値で情報が見つかりませんでした");
+		}
+		return rtnList;
+
+	}
+
+	public void empDelete(int id) throws SQLException {
+		StringBuilder sql = new StringBuilder();
+		//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
+		sql.append(" DELETE ");
+		sql.append("    " + "*");
+		sql.append(" FROM ");
+		sql.append("    " + TBL_NAME);
+		sql.append(" WHERE ");
+		sql.append("    " + ID_EMPLOYEE);
+		sql.append("     =     ");
+		sql.append("    " + id);
+		try {
+			this.stmt = con.prepareStatement(sql.toString());
+			this.stmt.executeUpdate();
+			System.out.println("削除が完了しました");
+		} finally {
+			DbUtil.closeStatement(this.stmt);
+
+		}
+	}
+	public void emplnsert (String name, String kana, String mail, String pass, int id) {
+		StringBuilder sql = new StringBuilder();
+		
+	}
 }

src/com/rhizome/example/dto/EmployeeDTO.java

@@ -1,61 +0,0 @@
-package com.rhizome.example.dto;
-
-public class EmployeeDTO {
-	//フィールド宣言
-	private Integer id_employee;//社員ID
-	private String nm_employee;//社員名
-	private String kn_employee;//社員名カナ
-	private String mail_address;//メールアドレス
-	private String password;//パスワード
-	private Integer id_department;//部署ID
-
-	//getter/setter
-	public Integer getId_employee() {
-		return id_employee;
-	}
-
-	public void setId_employee(Integer id_employee) {
-		this.id_employee = id_employee;
-	}
-
-	public String getNm_employee() {
-		return nm_employee;
-	}
-
-	public void setNm_employee(String nm_employee) {
-		this.nm_employee = nm_employee;
-	}
-
-	public String getKn_employee() {
-		return kn_employee;
-	}
-
-	public void setKn_employee(String kn_employee) {
-		this.kn_employee = kn_employee;
-	}
-
-	public String getMail_address() {
-		return mail_address;
-	}
-
-	public void setMail_address(String mail_address) {
-		this.mail_address = mail_address;
-	}
-
-	public String getPassword() {
-		return password;
-	}
-
-	public void setPassword(String password) {
-		this.password = password;
-	}
-
-	public Integer getId_department() {
-		return id_department;
-	}
-
-	public void setId_department(Integer id_department) {
-		this.id_department = id_department;
-	}
-
-}

src/com/rhizome/example/main/Main.java

@@ -45,6 +45,8 @@ public class Main {
 	 * @throws SQLException
 	 */
 	public void start() throws ClassNotFoundException, SQLException {
+		Connection con = DbUtil.getConnection();
+		EmployeeDAO empDao = new EmployeeDAO(con);
 		System.out.println();
 		System.out.println("現在のメンテナンス対象テーブル：" + targetTableName(tblFlg));
 		System.out.println("1:検索 2:登録 3:更新 4:削除 9:テーブル切替 0:終了");
@@ -58,6 +60,7 @@ public class Main {
 		case "3":
 			break;
 		case "4":
+			empDelete();
 			break;
 		case "9":
 			return;
@@ -70,6 +73,30 @@ public class Main {
 		}
 	}
 
+	private void empDelete() throws SQLException {
+		Connection con = DbUtil.getConnection();
+		EmployeeDAO empDao = new EmployeeDAO(con);
+		try {
+			String strId = inputCheck("ID", true);
+			int id = Integer.parseInt(strId);
+			List<EmployeeDTO> empList = empDao.selectByld(id);
+			if (empList.isEmpty()) {
+			} else {
+				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");
+				Scanner sc = new Scanner(System.in);
+				String str = sc.nextLine();
+				if (str.equals("Y") || str.equals("y")) {
+					empDao.empDelete(id);
+				} else {
+					System.out.println("キャンセルしました");
+				}
+			}
+		} finally {
+			DbUtil.closeConnection(empDao.con);
+		}
+	}
+
 	/**
 	 * 社員テーブルから情報を検索する
 	 *
@@ -87,11 +114,17 @@ public class Main {
 			case "1":
 				empList = empDao.selectAll();
 				break;
+			case "2":
+				System.out.println("IDを入力してください");
+				int id = sc.nextInt();
+				empList = empDao.selectByld(id);
+				break;
 			default:
 				return;
 			}
 			for (EmployeeDTO emp : empList) {
-				System.out.println(emp);
+				System.out.println(emp.getEmpid() + "\t" + emp.getName() + "\t" + emp.getKana() + "\t"
+						+ emp.getMail() + "\t" + emp.getPass() + "\t" + emp.getDepid());
 			}
 		} finally {
 			DbUtil.closeConnection(empDao.con);
@@ -125,7 +158,7 @@ public class Main {
 	 * @return
 	 */
 	public static String inputCheck(String titleName, boolean flg) {
-		String str = null;
+		String str;
 		while (true) {
 			System.out.println(titleName + "を入力してください");
 			str = sc.nextLine();

src/com/rhizome/example/util/DbUtil.java

@@ -45,8 +45,8 @@ public class DbUtil {
 	 * 				  ※Connection生成には上記の定数を活用してください
 	 */
 	public static Connection getConnection() throws SQLException {
-		//データベースへの接続
+			//データベースへの接続
-		con = DriverManager.getConnection(DB_URL, DB_USER, DB_PASS);
+			con = DriverManager.getConnection(DB_URL, DB_USER ,DB_PASS);
 		return con;
 	}
 
@@ -59,13 +59,12 @@ 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(PreparedStatement ps) throws SQLException {
-		//nullチェック
+		//DBステートメントのクローズ
-		if (stmt != null) {
+		if (ps != null) {
-			stmt.close();
+				ps.close(); //DBステートメントをクローズ
 		}
 	}
-
 	/*
 	 * TODO 以下の仕様でメソッドを作成してください。
 	 *
@@ -76,10 +75,10 @@ public class DbUtil {
 	 * 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 {
-		//nullチェック
+		//コネクションの切断
 		if (con != null) {
-			con.close();
+				con.close(); //コネクション切断
-
+			}
 		}
 	}
-}
+