2段階目完了

.classpath

@@ -0,0 +1,8 @@
+<?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

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

.project

@@ -0,0 +1,23 @@
+<?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

@@ -0,0 +1,7 @@
+<?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

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

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

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

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

@@ -61,13 +61,14 @@ public class EmployeeDAO {
 			this.stmt = con.prepareStatement(sql.toString());
 			rs = stmt.executeQuery();
 			while (rs.next()) {
+				//インスタンス生成
 				EmployeeDTO dto = new EmployeeDTO();
-				dto.setID_EMPLOYEE(rs.getInt("ID_EMPLOYEE"));
+				dto.setId_employee(rs.getInt("id_employee"));
-				dto.setNM_EMPLOYEE(rs.getString("NM_EMPLOYEE"));
+				dto.setNm_employee(rs.getString("nm_employee"));
-				dto.setKN_EMPLOYEE(rs.getString("KN_EMPLOYEE"));
+				dto.setKn_employee(rs.getString("kn_employee"));
-				dto.setMAIL_ADDRESS(rs.getString("MAIL_ADDRESS"));
+				dto.setMail_address(rs.getString("mail_address"));
-				dto.setPASSWORD(rs.getString("PASSWORD"));
+				dto.setPassword(rs.getString("password"));
-				dto.setID_DEPARTMENT(rs.getInt("ID_DEPARTMENT"));
+				dto.setId_department(rs.getInt("id_department"));
 				rtnList.add(dto);
 			}
 		} finally {
@@ -76,42 +77,4 @@ 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;
-	}
-
-	// 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削除する
-	public void empDelete(int id_employee) throws SQLException {
-		String sql = "DELETE FROM employee WHERE ID_EMPLOYEE = ?";
-		try {
-			this.stmt = con.prepareStatement(sql);
-			this.stmt.setInt(1, id_employee);
-			this.stmt.executeUpdate();
-
-		} finally {
-			DbUtil.closeStatement(this.stmt);
-		}
-	}
 }

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

@@ -0,0 +1,61 @@
+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

@@ -58,7 +58,6 @@ public class Main {
 		case "3":
 			break;
 		case "4":
-			empDelete();
 			break;
 		case "9":
 			return;
@@ -88,11 +87,6 @@ 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;
 			}
@@ -104,43 +98,6 @@ public class Main {
 		}
 	}
 
-	public static void empDelete() throws ClassNotFoundException, SQLException {
-
-		Connection con = DbUtil.getConnection();
-		EmployeeDAO empDao = new EmployeeDAO(con);
-		try {
-			System.out.println("IDを入力してください");
-			String input = sc.nextLine();
-			// 空文字が入力された場合
-			if (input.strip().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;
-			}
-			int inputId = Integer.parseInt(input.strip());
-			List<EmployeeDTO> empList = empDao.selectById(inputId);
-			// 検索結果が存在しないIDの場合
-			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;
-			}
-
-			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 confilm = sc.nextLine();
-			// 検索結果が存在した場合
-			if ("Y".equalsIgnoreCase(confilm)) {
-				empDao.empDelete(inputId);
-				System.out.println("社員ID" + input + "のデータを削除しました");
-			} else {
-				System.out.println("削除をキャンセルしました");
-			}
-		} catch (NumberFormatException e) {
-			System.out.println("入力された値で情報がみつかりませんでした");
-		} finally {
-			DbUtil.closeConnection(empDao.con);
-		}
-	}
-
 	/**
 	 * フラグを判定し、テーブル名を取得する
 	 *

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

@@ -44,10 +44,10 @@ 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 {
+	public static Connection getConnection() throws SQLException {
-		Class.forName(DB_DRIVER);
+		//データベースへの接続
-
+		con = DriverManager.getConnection(DB_URL, DB_USER, DB_PASS);
-		return con = DriverManager.getConnection(DB_URL, DB_USER, DB_PASS);
+		return con;
 	}
 
 	/*
@@ -60,10 +60,10 @@ public class DbUtil {
 	 * 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 {
+		//nullチェック
 		if (stmt != null) {
 			stmt.close();
 		}
-
 	}
 
 	/*
@@ -76,9 +76,10 @@ 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
 		if (con != null) {
 			con.close();
-		}
-	}
 
 		}
+	}
+}