必須段階実装完了

.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.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.wst.validation.validationbuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.wst.jsdt.core.jsNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</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

@@ -13,6 +13,7 @@ import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
 
+import com.rhizome.example.dto.EmployeeDTO;
 import com.rhizome.example.util.DbUtil;
 
 public class EmployeeDAO {
@@ -48,8 +49,8 @@ public class EmployeeDAO {
 	 * @throws SQLException
 	 * @throws ClassNotFoundException
 	 */
-	public List<String> selectAll() throws SQLException, ClassNotFoundException {
+	public List<EmployeeDTO> selectAll() throws SQLException, ClassNotFoundException {
-		List<String> rtnList = new ArrayList<>();
+		List<EmployeeDTO> rtnList = new ArrayList<>();
 		StringBuilder sql = new StringBuilder();
 		sql.append(" SELECT ");
 		sql.append("    " + "*");
@@ -60,12 +61,125 @@ public class EmployeeDAO {
 			this.stmt = con.prepareStatement(sql.toString());
 			rs = stmt.executeQuery();
 			while (rs.next()) {
-				rtnList.add(rs.getString(NM_EMPLOYEE));
+				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);
+			DbUtil.closeStatement​(this.stmt);
 		}
 		return rtnList;
 	}
 
-}
+	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 * FROM ");
+		sql.append(TBL_NAME);
+		sql.append(" WHERE id_employee = ?");
+
+		try {
+
+			this.stmt = con.prepareStatement(sql.toString());
+			stmt.setInt(1, id);
+			rs = stmt.executeQuery();
+
+			while (rs.next()) {
+
+				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;
+
+	}
+
+	public void empDelete(int id) throws java.lang.ClassNotFoundException, java.sql.SQLException {
+		StringBuilder sql = new StringBuilder();
+		sql.append(" DELETE FROM ");
+		sql.append(TBL_NAME);
+		sql.append(" WHERE id_employee = ?");
+
+		try {
+			this.stmt = this.con.prepareStatement(sql.toString());
+			this.stmt.setInt(1, id);
+			this.stmt.executeUpdate();
+
+		} finally {
+			DbUtil.closeStatement​(this.stmt);
+		}
+	}
+
+	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 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, mail);
+			this.stmt.setString(4, pass);
+			this.stmt.setInt(5, depId);
+
+			this.stmt.executeUpdate();
+
+		} finally {
+			DbUtil.closeStatement​(this.stmt);
+		}
+	}
+
+	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(" SET ");
+		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, mail);
+			this.stmt.setString(4, pass);
+			this.stmt.setInt(5, depId);
+			this.stmt.setInt(6, id);
+
+			this.stmt.executeUpdate();
+
+		} finally {
+			DbUtil.closeStatement​(this.stmt);
+		}
+	}
+
+}

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

@@ -0,0 +1,60 @@
+package com.rhizome.example.dto;
+
+public class EmployeeDTO {
+
+	private Integer id;
+	private String name;
+	private String kana;
+	private String email;
+	private String pass;
+	private Integer idDep;
+
+	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;
+	}
+
+}

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

@@ -7,6 +7,7 @@ import java.util.List;
 import java.util.Scanner;
 
 import com.rhizome.example.dao.EmployeeDAO;
+import com.rhizome.example.dto.EmployeeDTO;
 import com.rhizome.example.util.DbUtil;
 
 /**
@@ -53,10 +54,13 @@ public class Main {
 			empSelect();
 			break;
 		case "2":
+			empInsert();
 			break;
 		case "3":
+			empUpdate();
 			break;
 		case "4":
+			empDelete();
 			break;
 		case "9":
 			return;
@@ -76,7 +80,7 @@ public class Main {
 	 * @throws SQLException
 	 */
 	public static void empSelect() throws ClassNotFoundException, SQLException {
-		List<String> empList = new ArrayList<>();
+		List<EmployeeDTO> empList = new ArrayList<>();
 		Connection con = DbUtil.getConnection();
 		EmployeeDAO empDao = new EmployeeDAO(con);
 		System.out.println("1:全検索 2:条件検索 それ以外:戻る");
@@ -86,14 +90,120 @@ public class Main {
 			case "1":
 				empList = empDao.selectAll();
 				break;
+			case "2":
+				String idStr = inputCheck("ID", true);
+				int id = Integer.parseInt(idStr);
+				empList = empDao.selectById​(id);
+				break;
 			default:
 				return;
 			}
-			for (String emp : empList) {
+			for (EmployeeDTO emp : empList) {
-				System.out.println(emp);
+				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);
 		}
 	}
 

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

@@ -1,6 +1,7 @@
 package com.rhizome.example.util;
 
 import java.sql.Connection;
+import java.sql.DriverManager;
 
 public class DbUtil {
 	// 定数定義（共通）
@@ -42,6 +43,10 @@ public class DbUtil {
 	 * 				  ※Connection生成には上記の定数を活用してください
 	 */
 
+	public static java.sql.Connection getConnection() throws java.lang.ClassNotFoundException, java.sql.SQLException {
+		con = DriverManager.getConnection(DB_URL, DB_USER, DB_PASS);
+		return con;
+	}
 
 	/*
 	 * TODO 以下の仕様でメソッドを作成してください。
@@ -53,6 +58,11 @@ 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​(java.sql.PreparedStatement stmt) throws java.sql.SQLException {
+		if (stmt != null) {
+			stmt.close();
+		}
+	}
 
 	/*
 	 * TODO 以下の仕様でメソッドを作成してください。
@@ -64,5 +74,15 @@ 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 {
+	//if (con != null) {
+	//con.close();
+	//}
+	//
+
+	public static void closeConnection​(java.sql.Connection con) throws java.sql.SQLException {
+		if (con != null)
+			con.close();
+	}
 
 }