10/28

.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("    " + "*");
@@ -60,7 +61,15 @@ 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.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);
@@ -68,4 +77,111 @@ public class EmployeeDAO {
 		return rtnList;
 	}
 
+	//社員ID検索
+	public List<EmployeeDTO> selectById(int id) throws SQLException {
+		//戻り値用リスト
+		List<EmployeeDTO> rtnList = new ArrayList<>();
+		//SQL作成
+		StringBuilder sql = new StringBuilder();
+		sql.append(" SELECT * ");
+		sql.append(" FROM employee ");
+		sql.append(" WHERE id_employee = ? ");
+
+		try {
+			//PreparedStatement生成
+			stmt = con.prepareStatement(sql.toString());
+			//社員IDを設定
+			stmt.setInt(1, id);
+			//SQL実行
+			rs = stmt.executeQuery();
+			//検索結果をDTOへ格納
+			while (rs.next()) {
+				//DTO生成
+				EmployeeDTO dto = new EmployeeDTO();
+				//検索結果をDTOへセット
+				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));
+
+				//リストへ追加
+				rtnList.add(dto);
+			}
+
+		} finally {
+
+			DbUtil.closeStatement(stmt);
+		}
+		//検索結果を返却
+		return rtnList;
+	}
+	
+	//社員情報削除
+	public void empDelete(int id) throws SQLException {
+	    //SQL作成
+	    StringBuilder sql = new StringBuilder();
+	    sql.append(" DELETE ");
+	    sql.append(" FROM ");
+	    sql.append("    " + TBL_NAME);
+	    sql.append(" WHERE ");
+	    sql.append("    " + ID_EMPLOYEE + " = ?");
+
+	    try {
+	        //PreparedStatement生成
+	        stmt = con.prepareStatement(sql.toString());
+	        //値設定
+	        stmt.setInt(1, id);
+	        //SQL実行
+	        stmt.executeUpdate();
+
+	    } finally {
+
+	        DbUtil.closeStatement(stmt);
+	    }
+	}
+	
+	//社員情報登録
+	public void empInsert(
+	        String name,
+	        String kana,
+	        String mail,
+	        String password,
+	        int departmentId)
+	        throws SQLException {
+	    //SQL作成
+	    StringBuilder sql = new StringBuilder();
+
+	    sql.append(" INSERT INTO employee ");
+	    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 ");
+	    sql.append(" (?, ?, ?, ?, ?) ");
+
+	    try {
+
+	        //PreparedStatement生成
+	        stmt = con.prepareStatement(sql.toString());
+	        //値設定
+	        stmt.setString(1, name);
+	        stmt.setString(2, kana);
+	        stmt.setString(3, mail);
+	        stmt.setString(4, password);
+	        stmt.setInt(5, departmentId);
+
+	        //SQL実行
+	        stmt.executeUpdate();
+
+	    } finally {
+
+	        DbUtil.closeStatement(stmt);
+	    }
+	}
+
 }

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

@@ -0,0 +1,50 @@
+package com.rhizome.example.dto;
+
+public class EmployeeDTO {
+
+	private Integer idEmployee;
+	private String nmEmployee;
+	private String knEmployee;
+	private String mailAddress;
+	private String password;
+	private Integer idDepartment;
+
+
+	public Integer getIdEmployee() {
+		return idEmployee;
+	}
+	public void setIdEmployee(Integer idEmployee) {
+		this.idEmployee = idEmployee;
+	}
+	public String getNmEmployee() {
+		return nmEmployee;
+	}
+	public void setNmEmployee(String nmEmployee) {
+		this.nmEmployee = nmEmployee;
+	}
+	public String getKnEmployee() {
+		return knEmployee;
+	}
+	public void setKnEmployee(String knEmployee) {
+		this.knEmployee = knEmployee;
+	}
+	public String getMailAddress() {
+		return mailAddress;
+	}
+	public void setMailAddress(String mailAddress) {
+		this.mailAddress = mailAddress;
+	}
+	public String getPassword() {
+		return password;
+	}
+	public void setPassword(String password) {
+		this.password = password;
+	}
+	public Integer getIdDepartment() {
+		return idDepartment;
+	}
+	public void setIdDepartment(Integer idDepartment) {
+		this.idDepartment = idDepartment;
+	}
+
+}

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 +54,12 @@ public class Main {
 			empSelect();
 			break;
 		case "2":
+		    empInsert();
 			break;
 		case "3":
 			break;
 		case "4":
+		    empDelete();
 			break;
 		case "9":
 			return;
@@ -76,7 +79,7 @@ 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");
@@ -86,11 +89,33 @@ public class Main {
 			case "1":
 				empList = empDao.selectAll();
 				break;
+
+			case "2":
+
+				String id = inputCheck("ID", true);
+				empList = empDao.selectById(
+						Integer.parseInt(id));
+				break;
+
 			default:
 				return;
 			}
-			for (String emp : empList) {
+
-				System.out.println(emp);
+			if (empList.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;
+			}
+
+			for (EmployeeDTO emp : empList) {
+
+				System.out.println(
+						emp.getIdEmployee() + "\t"
+								+ emp.getNmEmployee() + "\t"
+								+ emp.getKnEmployee() + "\t"
+								+ emp.getMailAddress() + "\t"
+								+ emp.getPassword() + "\t"
+								+ emp.getIdDepartment()
+						);
 			}
 		} finally {
 			DbUtil.closeConnection(empDao.con);
@@ -146,4 +171,79 @@ public class Main {
 		}
 		return str;
 	}
+	//社員情報を削除する
+	public static void empDelete() throws ClassNotFoundException, SQLException {
+		//DB接続
+		Connection con = DbUtil.getConnection();
+		EmployeeDAO empDao = new EmployeeDAO(con);
+
+		try {
+			//削除対象ID入力
+			String strId = inputCheck("ID", true);
+			int id = Integer.parseInt(strId);
+
+			//入力されたID確認
+			List<EmployeeDTO> empList =  empDao.selectById(id);
+			//データが存在しない場合
+			if (empList.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;
+			}
+
+			//削除確認メッセージ表示
+			System.out.println("指定されたIDの情報を削除しますか？ Y/y");
+			System.out.println("(Y/y以外の入力であればキャンセル)");
+
+			String answer = sc.nextLine();
+
+			//Yまたはyが入力された場合のみ削除
+			if ("Y".equals(answer) || "y".equals(answer)) {
+				//社員情報削除
+				empDao.empDelete(id);
+
+				System.out.println("削除が完了しました");
+			}
+
+		} finally {
+
+			DbUtil.closeConnection(empDao.con);
+		}
+	}
+	
+	//社員情報登録
+	public static void empInsert() throws ClassNotFoundException, SQLException {
+
+	    //DB接続
+	    Connection con = DbUtil.getConnection();
+	    EmployeeDAO empDao = new EmployeeDAO(con);
+
+	    try {
+
+	        //社員名入力
+	        String name = inputCheck("社員名", false);
+	        //フリガナ入力
+	        String kana = inputCheck("フリガナ", false);
+	        //メールアドレス入力
+	        String mail = inputCheck("メールアドレス", false);
+	        //パスワード入力
+	        String password = inputCheck("パスワード", false);
+	        //部署ID入力
+	        String departmentId = inputCheck("部署ID", true);
+	        //登録処理
+	        empDao.empInsert(
+	                name,
+	                kana,
+	                mail,
+	                password,
+	                Integer.parseInt(departmentId));
+
+	        System.out.println("登録が完了しました");
+
+	    } finally {
+
+	        DbUtil.closeConnection(empDao.con);
+	    }
+	}
+
 }

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

@@ -1,6 +1,9 @@
 package com.rhizome.example.util;
 
 import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.PreparedStatement;
+import java.sql.SQLException;
 
 public class DbUtil {
 	// 定数定義（共通）
@@ -42,6 +45,18 @@ 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 ClassNotFoundException, SQLException {
+
+		Class.forName(DB_DRIVER);
+
+		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 +68,14 @@ 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 {
+
+		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 +87,11 @@ 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();
+		}
+	}
 }