20261029

.classpath

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path=""/>
+	<classpathentry kind="lib" path="mysql-connector-java-8.0.23.jar"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

.gitignore

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

snippet/Snippet.java

@@ -0,0 +1,8 @@
+package snippet;
+
+public class Snippet {
+	public static void main(String[] args) {
+		
+	}
+}
+

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

@@ -1,10 +1,4 @@
-/*
+package src.com.rhizome.example.dao;
- * EmployeeDAO.java
- *   作成	IT-College	2020
- *------------------------------------------------------------
- * Copyright(c) Rhizome Inc. All Rights Reserved.
- */
-package com.rhizome.example.dao;
 
 import java.sql.Connection;
 import java.sql.PreparedStatement;
@@ -13,8 +7,8 @@ import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
 
-import com.rhizome.example.dto.EmployeeDTO;
+import src.com.rhizome.example.dto.EmployeeDTO;
-import com.rhizome.example.util.DbUtil;
+import src.com.rhizome.example.util.DbUtil;
 
 public class EmployeeDAO {
 	private static final String TBL_NAME = "employee";
@@ -92,9 +86,8 @@ public class EmployeeDAO {
 	public  List<EmployeeDTO> selectById(int employeeId) throws SQLException{
 		List<EmployeeDTO>rtnList = new ArrayList<>();
 		
-		String sql =
+		java.lang.String sql =
-				"SELECT * FROM employee" + 
+				"SELECT * FROM employee WHERE id_employee = ?";
-				"WHERE id_employee = ?";
 		try {
 			stmt = con.prepareStatement(sql);
 			stmt.setInt(1, employeeId);
@@ -108,8 +101,8 @@ public class EmployeeDAO {
 	            dto.setIdEmployee(rs.getInt(ID_EMPLOYEE));
 	            dto.setNmEmployee(rs.getString(NM_EMPLOYEE));
 	            dto.setKnEmployee(rs.getString(KN_EMPLOYEE));
-	            dto.setKnEmployee(rs.getString(MAIL_ADDRESS));
+	            dto.setMailEmployee(rs.getString(MAIL_ADDRESS));
-	            dto.setKnEmployee(rs.getString(PASSWORD));
+	            dto.setPassEmployee(rs.getString(PASSWORD));
 	            dto.setIdDepartment(rs.getInt(ID_DEPARTMENT));
 
 	            rtnList.add(dto);
@@ -121,25 +114,69 @@ public class EmployeeDAO {
 
 	    return rtnList;
 		}
-		
+	public int empDelete (int employeeId)throws SQLException{
-	public void empDelete(int employeeId)throws SQLException{
+		java.lang.String sql =
-		String sql =
+				"DELETE FROM employee WHERE id_employee = ?";
-				"DELETE FROM employee" +
-				"WHERE id_employee = ?";
 		try {
 			stmt = con.prepareStatement(sql);
+			stmt.setInt(1, employeeId);
 
-	        stmt.setInt(1, employeeId);
+			return stmt.executeUpdate();
+		} finally {
+	        DbUtil.closeStatement(stmt);
 
-	        stmt.executeUpdate();
+		}
+	}
+	public int empInsert(String employeeName,String employeeKn,String employeeMail
+			,String employeePass, int departmentId)throws SQLException{
+		java.lang.String sql =
+				"INSERT INTO employee " +
+			            "(nm_employee, kn_employee, mail_address, password, id_department) " +
+			            "VALUES (?, ?, ?, ?, ?)";
+		try {
+			stmt = con.prepareStatement(sql);
+			stmt.setString(1, employeeName);
+			stmt.setString(2, employeeKn);
+	        stmt.setString(3, employeeMail);
+	        stmt.setString(4, employeePass);
+	        stmt.setInt(5, departmentId);
+	        
+	        return stmt.executeUpdate();
 
 	    } finally {
-
 	        DbUtil.closeStatement(stmt);
 	    }
 		
 
+	}
 
+	public int empUpdate(int employeeId,String employeeName,String employeeKn,String employeeMail
+			,String employeePass, int departmentId)throws SQLException{
+		java.lang.String sql =
+				"UPDATE employee " +
+				        "SET nm_employee = ?, " +
+				        "kn_employee = ?, " +
+				        "mail_address = ?, " +
+				        "password = ?, " +
+				        "id_department = ? " +
+				        "WHERE id_employee = ?";
+		
+		try {
+
+	        stmt = con.prepareStatement(sql);
+
+	        stmt.setString(1, employeeName);
+	        stmt.setString(2, employeeKn);
+	        stmt.setString(3, employeeMail);
+	        stmt.setString(4, employeePass);
+	        stmt.setInt(5, departmentId);
+	        stmt.setInt(6, employeeId);
+
+	        return stmt.executeUpdate();
+
+	    } finally {
+	        DbUtil.closeStatement(stmt);
+	    }
 	
 	}
 

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

@@ -0,0 +1,51 @@
+package src.com.rhizome.example.dto;
+
+public class EmployeeDTO {
+	private int idEmployee;
+	private String nmEmployee;
+	private String knEmployee;
+	private String mailEmployee;
+	private String passEmployee;
+	private int idDepartment;
+	
+	
+	public int getIdEmployee() {
+		return idEmployee;
+	}
+	public void setIdEmployee(int 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 getMailEmployee() {
+		return mailEmployee;
+	}
+	public void setMailEmployee(String mailEmployee) {
+		this.mailEmployee = mailEmployee;
+	}
+	public String getPassEmployee() {
+		return passEmployee;
+	}
+	public void setPassEmployee(String passEmployee) {
+		this.passEmployee = passEmployee;
+	}
+	public int getIdDepartment() {
+		return idDepartment;
+	}
+	public void setIdDepartment(int idDepartment) {
+		this.idDepartment = idDepartment;
+	}
+	
+	
+	
+}

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

@@ -1,4 +1,4 @@
-package com.rhizome.example.main;
+package src.com.rhizome.example.main;
 
 import java.sql.Connection;
 import java.sql.SQLException;
@@ -6,8 +6,9 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Scanner;
 
-import com.rhizome.example.dao.EmployeeDAO;
+import src.com.rhizome.example.dao.EmployeeDAO;
-import com.rhizome.example.util.DbUtil;
+import src.com.rhizome.example.dto.EmployeeDTO;
+import src.com.rhizome.example.util.DbUtil;
 
 /**
  * @author IT-College
@@ -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");
@@ -86,15 +90,35 @@ public class Main {
 			case "1":
 				empList = empDao.selectAll();
 				break;
+			case "2":
+				
+				String strId = inputCheck("ID", true);
+				int id = Integer.parseInt(strId);
+				empList = empDao.selectById(id);
+				break;	
 			default:
+				
 				return;
 			}
-			for (String emp : empList) {
+			if(empList.isEmpty()){
-				System.out.println(emp);
+				System.out.println("入力された値で情報がみつかりませんでした");
+			}else {
+			
+				for (EmployeeDTO emp : empList) {
+					System.out.println(
+							emp.getIdEmployee() + "\t"
+							+ emp.getNmEmployee() + "\t"
+							+ emp.getKnEmployee() + "\t"
+							+ emp.getMailEmployee() + "\t"
+							+ emp.getPassEmployee() + "\t"
+							+ emp.getIdDepartment() + "\t");
+				}
 			}
-		} finally {
+		}finally {
-			DbUtil.closeConnection(empDao.con);
+				DbUtil.closeConnection(empDao.con);
+		 
 		}
+		
 	}
 
 	/**
@@ -146,4 +170,100 @@ public class Main {
 		}
 		return str;
 	}
+	public static void empDelete() throws ClassNotFoundException, SQLException {
+
+	    Connection con = DbUtil.getConnection();
+	    EmployeeDAO empDao = new EmployeeDAO(con);
+
+	    try {
+
+	        String strId = inputCheck("ID", true);
+	        int id = Integer.parseInt(strId);
+
+	        int count = empDao.empDelete(id);
+
+	        if (count == 0) {
+	            System.out.println("入力されたIDの情報は見つかりませんでした。");
+	        } else {
+	            System.out.println("削除しました。");
+	        }
+
+	    } finally {
+	        DbUtil.closeConnection(empDao.con);
+	    }
+	}
+	public static void empInsert() throws ClassNotFoundException, SQLException {
+
+	    Connection con = DbUtil.getConnection();
+	    EmployeeDAO empDao = new EmployeeDAO(con);
+
+	    try {
+
+	        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);
+	        
+	        int depId = Integer.parseInt(inputCheck("部署ID", true));
+
+	        int count = empDao.empInsert(
+	        		name,
+                    kana,
+                    mail,
+                    pass,
+                    depId);
+
+	        if (count > 0) {
+	            System.out.println("登録が完了しました");
+	        }
+
+	    } finally {
+	        DbUtil.closeConnection(empDao.con);
+	    }
+	}
+	public static void 	empUpdate() throws ClassNotFoundException, SQLException {
+
+	    Connection con = DbUtil.getConnection();
+	    EmployeeDAO empDao = new EmployeeDAO(con);
+	    String strId = inputCheck("ID", true);
+        
+        int id = Integer.parseInt(strId);
+	    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);
+
+	        int depId =
+	                Integer.parseInt(inputCheck("部署ID", true));
+	        
+	        
+			int count = empDao.empUpdate(
+	                id,
+	                name,
+	                kana,
+	                mail,
+	                pass,
+	                depId);
+
+	        if (count > 0) {
+	            System.out.println("更新が完了しました");
+	        } else {
+	            System.out.println("入力されたIDの情報は見つかりませんでした。");
+	        }
+
+	    } finally {
+	        DbUtil.closeConnection(empDao.con);
+	    }
+	}
+	
 }

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

@@ -1,6 +1,9 @@
-package com.rhizome.example.util;
+package src.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）
@@ -41,6 +44,23 @@ 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{
+		
+			if(con != null && !con.isClosed()) {
+				return con;
+			}
+			Class.forName("com.mysql.cj.jdbc.Driver");
+			con = DriverManager.getConnection(
+					DB_URL,
+		            DB_USER,
+		            DB_PASS);
+
+		    return con;
+		
+	}
+		
+		
 	
 
 	/*
@@ -52,7 +72,12 @@ 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{
+		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。
@@ -63,6 +88,9 @@ public class DbUtil {
 	 * 例外			：SQLException
 	 * 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();
+	}
 }