1段階目完了

.gitignore

@@ -0,0 +1 @@
+/.metadata/

.project

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>em-jdbc</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+	</buildSpec>
+	<natures>
+	</natures>
+</projectDescription>

src/.classpath

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="src" path=""/>
+	<classpathentry kind="output" path=""/>
+</classpath>

src/.project

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>src</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

src/com/rhizome/example/dao/.gitignore

@@ -0,0 +1 @@
+/EmployeeDAO.class

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

@@ -13,7 +13,6 @@ 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 {
@@ -49,16 +48,11 @@ public class EmployeeDAO {
 	 * @throws SQLException
 	 * @throws ClassNotFoundException
 	 */
-	public List<EmployeeDTO> selectAll() throws SQLException, ClassNotFoundException {
-		List<EmployeeDTO> rtnList = new ArrayList<>();
+	public List<String> selectAll() throws SQLException, ClassNotFoundException {
+		List<String> rtnList = new ArrayList<>();
 		StringBuilder sql = new StringBuilder();
 		sql.append(" SELECT ");
-		sql.append("    " + ID_EMPLOYEE + ",");
-		sql.append("    " + NM_EMPLOYEE + ",");
-		sql.append("    " + KN_EMPLOYEE + ",");
-		sql.append("    " + MAIL_ADDRESS + ",");
-		sql.append("    " + PASSWORD + ",");
-		sql.append("    " + ID_DEPARTMENT);
+		sql.append("    " + "*");
 		sql.append(" FROM ");
 		sql.append("    " + TBL_NAME);
 		try {
@@ -66,16 +60,7 @@ public class EmployeeDAO {
 			this.stmt = con.prepareStatement(sql.toString());
 			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 ကို List ထဲသို့ ထည့်ရပါမည်
-				rtnList.add(dto);
+				rtnList.add(rs.getString(NM_EMPLOYEE));
 			}
 		} finally {
 			DbUtil.closeStatement(this.stmt);
@@ -83,117 +68,4 @@ public class EmployeeDAO {
 		return rtnList;
 	}
 
-	//use selectById make the method 
-	public List<EmployeeDTO> selectById(int empId) throws SQLException, ClassNotFoundException {
-		//calling to DTO and new inout array
-		List<EmployeeDTO> rtnList = new ArrayList<>();
-		//(StringBuilder) ကို သုံးခြင်းသည် Code များကို ဖတ်ရလွယ်ကူစေရန်၊ ပြင်ဆင်ရလွယ်ကူစေရန်
-		StringBuilder sql = new StringBuilder();
-		//append မသုံးရင်စာ‌ကြောင်းပိုရှဉ္လို့ append နဲံရေး
-		sql.append(" SELECT ");
-		sql.append("    " + ID_EMPLOYEE + ",");
-		sql.append("    " + NM_EMPLOYEE + ",");
-		sql.append("    " + KN_EMPLOYEE + ",");
-		sql.append("    " + MAIL_ADDRESS + ",");
-		sql.append("    " + PASSWORD + ",");
-		sql.append("    " + ID_DEPARTMENT);
-		sql.append(" FROM ");
-		sql.append("    " + TBL_NAME);
-		sql.append(" WHERE ");
-		sql.append("    " + ID_EMPLOYEE + " = ? ");
-
-		try {
-			this.stmt = con.prepareStatement(sql.toString());
-			this.stmt.setInt(1, empId);
-			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));
-
-				rtnList.add(dto);
-			}
-		} finally {
-			DbUtil.closeStatement(this.stmt);
-		}
-		return rtnList;
-	}
-//Delete method 
-	public void empDelete(int empId) throws  ClassNotFoundException, SQLException {
-		StringBuilder sql = new StringBuilder();
-		sql.append(" DELETE FROM ");
-		sql.append("    " + TBL_NAME);
-		sql.append(" WHERE ");
-		sql.append("    " + ID_EMPLOYEE + " = ? ");
-//for check 
-		try {
-			this.stmt = con.prepareStatement(sql.toString());
-			this.stmt.setInt(1, empId);
-			this.stmt.executeUpdate();
-		} finally {
-			DbUtil.closeStatement(this.stmt);
-		}
-
-	}
-	public void empInsert (String nmemp, String knname,String mail, String pw, int deptId) throws  ClassNotFoundException, SQLException{
-		StringBuilder sql = new StringBuilder();
-		sql.append("INSERT INTO");
-		sql.append("    " + TBL_NAME);
-		sql.append(" ( ");
-		
-		sql.append("    " + NM_EMPLOYEE + ",");
-		sql.append("    " + KN_EMPLOYEE + ",");
-		sql.append("    " + MAIL_ADDRESS + ",");
-		sql.append("    " + PASSWORD + ",");
-		sql.append("    " + ID_DEPARTMENT);
-		sql.append(" ) ");
-		sql.append(" VALUES (?, ?, ?, ?, ?) ");
-	
-		try {
-			this.stmt = con.prepareStatement(sql.toString());
-			this.stmt.setString(1, nmemp);
-			this.stmt.setString(2, knname);
-			this.stmt.setString(3, mail);
-			this.stmt.setString(4, pw);
-			this.stmt.setInt(5, deptId);
-
-			this.stmt.executeUpdate();
-		} finally {
-			DbUtil.closeStatement(this.stmt);
-		}
-
-	}
-	public void empUpdate (String nmemp, String knname,String mail, String pw, int deptId,int empId) throws  ClassNotFoundException, SQLException{
-		StringBuilder sql = new StringBuilder();
-		sql.append("UPDATE ");
-		sql.append("    " + TBL_NAME);
-		sql.append(" SET ");
-		
-		sql.append("    " + NM_EMPLOYEE + " = ?, ");
-		sql.append("    " + KN_EMPLOYEE + " = ?, ");
-		sql.append("    " + MAIL_ADDRESS + " = ?, ");
-		sql.append("    " + PASSWORD + " = ?, ");
-		sql.append("    " + ID_DEPARTMENT + " = ? ");
-		sql.append(" WHERE ");
-		sql.append("    " + ID_EMPLOYEE + " = ? ");
-	
-		try {
-			this.stmt = con.prepareStatement(sql.toString());
-			this.stmt.setString(1, nmemp);
-			this.stmt.setString(2, knname);
-			this.stmt.setString(3, mail);
-			this.stmt.setString(4, pw);
-			this.stmt.setInt(5, deptId);
-			this.stmt.setInt(6, empId);
-
-			this.stmt.executeUpdate();
-		} finally {
-			DbUtil.closeStatement(this.stmt);
-		}
-
-	}
 }

src/com/rhizome/example/main/.gitignore

@@ -0,0 +1 @@
+/Main.class

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

@@ -7,7 +7,6 @@ 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;
 
 /**
@@ -54,13 +53,10 @@ public class Main {
 			empSelect();
 			break;
 		case "2":
-			empInsert();
 			break;
 		case "3":
-			empUpdate();
 			break;
 		case "4":
-			empDelete();
 			break;
 		case "9":
 			return;
@@ -73,67 +69,6 @@ public class Main {
 		}
 	}
 
-	private void empUpdate() throws ClassNotFoundException, SQLException{
-		// TODO 自動生成されたメソッド・スタブ
-		Connection con = DbUtil.getConnection();
-		EmployeeDAO empDao = new EmployeeDAO(con);
-
-		try {
-			// ID ရိုက်ထည့်ခိုင်းခြင်း
-			String strId = inputCheck("ID", true);
-			int id = Integer.parseInt(strId);
-
-			// ID ရှိမရှိ စစ်ဆေးခြင်း (selectById ကို သုံးပါ)
-			List<EmployeeDTO> empList = empDao.selectById(id);
-			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;
-			}
-
-			// အချက်အလက် အသစ်များ တောင်းခံခြင်း
-			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 strDeptId = inputCheck("部署ID", true);
-			int deptId = Integer.parseInt(strDeptId);
-
-			// DB ထဲသို့ ပြင်ဆင်ချက် ထည့်သွင်းခြင်း
-			empDao.empUpdate(name, kana, mail, pass, deptId,id);
-			System.out.println("更新が完了しました");
-
-		} finally {
-			DbUtil.closeConnection(empDao.con);
-		}
-	}
-		
-	
-
-	public static void empInsert() throws ClassNotFoundException, SQLException {
-		Connection con = DbUtil.getConnection();
-		EmployeeDAO empDao = new EmployeeDAO(con);
-
-		try {
-			// အချက်အလက်များ အသီးသီး တောင်းခံခြင်း (inputCheck ကို သုံးပါ)
-			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);
-			
-			// 部署ID အတွက် Numerical Check ဖြစ်သည့် true ထည့်ပါမည်
-			String strDeptId = inputCheck("部署ID", true);
-			int deptId = Integer.parseInt(strDeptId);
-
-			// DB ထဲသို့ ထည့်သွင်းခြင်း
-			empDao.empInsert(name, kana, mail, pass, deptId);
-			System.out.println("登録が完了しました");
-
-		} finally {
-			DbUtil.closeConnection(empDao.con);
-		}
-	}
-
 	/**
 	 * 社員テーブルから情報を検索する
 	 *
@@ -141,8 +76,7 @@ public class Main {
 	 * @throws SQLException
 	 */
 	public static void empSelect() throws ClassNotFoundException, SQLException {
-		//List<String> empList = new ArrayList<>();
-		List<EmployeeDTO> empList = new ArrayList<>();
+		List<String> 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");
@@ -150,70 +84,19 @@ public class Main {
 		try {
 			switch (select) {
 			case "1":
-				//empList = empDao.selectAll();
 				empList = empDao.selectAll();
 				break;
-			case "2":
-				// inputCheck 方法ကို သုံးပြီး ID ရိုက်ခိုင်းပါ (数値 check အတွက် true ထည့်ပါ)
-				String strId = inputCheck("ID", true);
-				int id = Integer.parseInt(strId);
-				empList = empDao.selectById(id);
-		;
-
 			default:
 				return;
 			}
-
-			// ရှာဖွေတွေ့ရှိခြင်း မရှိပါက
-			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;
-			}
-
-			for (EmployeeDTO emp : empList) {
-				//for (String emp : empList) {
-				//System.out.println(emp);
-				System.out.println(emp.getIdEmployee() + "\t" +
-						emp.getNmEmployee() + "\t" +
-						emp.getKnEmployee() + "\t" +
-						emp.getMailAddress() + "\t" +
-						emp.getPassword() + "\t" +
-						emp.getIdDepartment());
+			for (String emp : empList) {
+				System.out.println(emp);
 			}
 		} finally {
 			DbUtil.closeConnection(empDao.con);
 		}
 	}
 
-		public static void empDelete() throws ClassNotFoundException, SQLException {
-		Connection con = DbUtil.getConnection();
-		EmployeeDAO empDao = new EmployeeDAO(con);
-
-		try {
-			// ID ရိုက်ထည့်ခိုင်းခြင်း (inputCheck ကို သုံးပါ)
-			String strId = inputCheck("ID", true);
-			int id = Integer.parseInt(strId);
-			//System.out.println("IDを入力してください");
-
-			// ID ရှိမရှိ စစ်ဆေးခြင်း (selectById ကို သုံးပါ)
-			List<EmployeeDTO> empList = empDao.selectById(id);
-			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;
-			}
-
-			// ဖျက်ရန် အတည်ပြုချက် (Confirmation) တောင်းခြင်း
-			System.out.println("指定されたIDの情報を削除します？ Y/y");
-			String confirm = sc.nextLine();
-			if ("Y".equalsIgnoreCase(confirm)) {
-				empDao.empDelete(id);
-				System.out.println("削除が完了しました");
-			}
-		}finally {
-			DbUtil.closeConnection(empDao.con);
-		}
-		}
-
 	/**
 	 * フラグを判定し、テーブル名を取得する
 	 *
@@ -263,7 +146,4 @@ public class Main {
 		}
 		return str;
 	}
-
-
-		
 }

src/com/rhizome/example/util/.gitignore

@@ -0,0 +1 @@
+/DbUtil.class

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

@@ -42,19 +42,14 @@ public class DbUtil {
 	 * 例外			：ClassNotFoundException, SQLException
 	 * 処理			：JDBCドライバを読み込み後、DB接続する。
 	 * 				  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
+	 * 				  ※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 {
-		//connection is null or not null and create new 
-		if (con == null || con.isClosed()) {
-			Class.forName(DB_DRIVER);
-			con = DriverManager.getConnection(DB_URL, DB_USER, DB_PASS);
-		}
+	public static Connection getConnection() throws SQLException {
+		//データベースへの接続
+		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。
 	 *
@@ -65,11 +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();
-			
 		}
-	
 	}
 
 	/*
@@ -82,10 +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 {
-		if(con != null) {
+		//nullチェック
+		if (con != null) {
 			con.close();
 
 		}
 	}
-
 }