From 195edf2188500c8450ef2ea8194047b7cc466865 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A6=8F=E6=A3=AE=E3=80=80=E7=99=BE=E5=A4=A2?= <26-m-fukumori-cosmicb@it-college.co.jp> Date: Wed, 28 Oct 2026 16:54:53 +0900 Subject: [PATCH] 20261028 --- .classpath | 12 ++++++ .gitignore | 1 + .project | 23 +++++++++++ .settings/.jsdtscope | 7 ++++ ...rg.eclipse.wst.jsdt.ui.superType.container | 1 + .../org.eclipse.wst.jsdt.ui.superType.name | 1 + src/com/rhizome/example/dao/EmployeeDAO.java | 9 ++-- src/com/rhizome/example/dto/EmployeeDTO.java | 38 +++++++++++++++++ src/com/rhizome/example/main/Main.java | 2 +- src/com/rhizome/example/util/DbUtil.java | 41 ++++++++++++++++++- 10 files changed, 129 insertions(+), 6 deletions(-) create mode 100644 .classpath create mode 100644 .gitignore create mode 100644 .project create mode 100644 .settings/.jsdtscope create mode 100644 .settings/org.eclipse.wst.jsdt.ui.superType.container create mode 100644 .settings/org.eclipse.wst.jsdt.ui.superType.name create mode 100644 src/com/rhizome/example/dto/EmployeeDTO.java diff --git a/.classpath b/.classpath new file mode 100644 index 0000000..25cd837 --- /dev/null +++ b/.classpath @@ -0,0 +1,12 @@ + + + + + + + + + + + + diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..ae3c172 --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +/bin/ diff --git a/.project b/.project new file mode 100644 index 0000000..ccaa13e --- /dev/null +++ b/.project @@ -0,0 +1,23 @@ + + + em-jdbc + + + + + + org.eclipse.wst.validation.validationbuilder + + + + + org.eclipse.jdt.core.javabuilder + + + + + + org.eclipse.jdt.core.javanature + org.eclipse.wst.jsdt.core.jsNature + + diff --git a/.settings/.jsdtscope b/.settings/.jsdtscope new file mode 100644 index 0000000..cca691f --- /dev/null +++ b/.settings/.jsdtscope @@ -0,0 +1,7 @@ + + + + + + + diff --git a/.settings/org.eclipse.wst.jsdt.ui.superType.container b/.settings/org.eclipse.wst.jsdt.ui.superType.container new file mode 100644 index 0000000..49c8cd4 --- /dev/null +++ b/.settings/org.eclipse.wst.jsdt.ui.superType.container @@ -0,0 +1 @@ +org.eclipse.wst.jsdt.launching.JRE_CONTAINER \ No newline at end of file diff --git a/.settings/org.eclipse.wst.jsdt.ui.superType.name b/.settings/org.eclipse.wst.jsdt.ui.superType.name new file mode 100644 index 0000000..11006e2 --- /dev/null +++ b/.settings/org.eclipse.wst.jsdt.ui.superType.name @@ -0,0 +1 @@ +Global \ No newline at end of file diff --git a/src/com/rhizome/example/dao/EmployeeDAO.java b/src/com/rhizome/example/dao/EmployeeDAO.java index ef63c49..5cc4285 100644 --- a/src/com/rhizome/example/dao/EmployeeDAO.java +++ b/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.main.EmployeeDTO; import com.rhizome.example.util.DbUtil; public class EmployeeDAO { @@ -48,8 +49,8 @@ public class EmployeeDAO { * @throws SQLException * @throws ClassNotFoundException */ - public List selectAll() throws SQLException, ClassNotFoundException { - List rtnList = new ArrayList<>(); + public List selectAll() throws SQLException, ClassNotFoundException { + List rtnList = new ArrayList<>(); StringBuilder sql = new StringBuilder(); sql.append(" SELECT "); sql.append(" " + "*"); @@ -60,10 +61,12 @@ public class EmployeeDAO { this.stmt = con.prepareStatement(sql.toString()); rs = stmt.executeQuery(); while (rs.next()) { + EmployeeDTO emdto = new EmployeeDTO(); + emdto.set rtnList.add(rs.getString(NM_EMPLOYEE)); } } finally { - DbUtil.closeStatement(this.stmt); + DbUtil.closeStatement(); } return rtnList; } diff --git a/src/com/rhizome/example/dto/EmployeeDTO.java b/src/com/rhizome/example/dto/EmployeeDTO.java new file mode 100644 index 0000000..efa0ff7 --- /dev/null +++ b/src/com/rhizome/example/dto/EmployeeDTO.java @@ -0,0 +1,38 @@ +package com.rhizome.example.dto; + +public class EmployeeDTO { + + //Employeeテーブルのカラム分のフィールド + private static final String TBL_NAME = "employee"; + private static final String ID_EMPLOYEE = "id_employee"; + private static final String NM_EMPLOYEE = "nm_employee"; + private static final String KN_EMPLOYEE = "kn_employee"; + private static final String MAIL_ADDRESS = "mail_address"; + private static final String PASSWORD = "password"; + private static final String ID_DEPARTMENT = "id_department"; + public static String getTblName() { + return TBL_NAME; + } + public static String getIdEmployee() { + return ID_EMPLOYEE; + } + public static String getNmEmployee() { + return NM_EMPLOYEE; + } + public static String getKnEmployee() { + return KN_EMPLOYEE; + } + public static String getMailAddress() { + return MAIL_ADDRESS; + } + public static String getPassword() { + return PASSWORD; + } + public static String getIdDepartment() { + return ID_DEPARTMENT; + } + + + + +} \ No newline at end of file diff --git a/src/com/rhizome/example/main/Main.java b/src/com/rhizome/example/main/Main.java index 14fb220..ab31d9c 100644 --- a/src/com/rhizome/example/main/Main.java +++ b/src/com/rhizome/example/main/Main.java @@ -93,7 +93,7 @@ public class Main { System.out.println(emp); } } finally { - DbUtil.closeConnection(empDao.con); + DbUtil.closeConnection(); } } diff --git a/src/com/rhizome/example/util/DbUtil.java b/src/com/rhizome/example/util/DbUtil.java index d2bb82e..1b49e1d 100644 --- a/src/com/rhizome/example/util/DbUtil.java +++ b/src/com/rhizome/example/util/DbUtil.java @@ -1,6 +1,10 @@ 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） @@ -41,7 +45,26 @@ 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 */ + //DB接続用メソッドを作成する + public static Connection getConnection() throws ClassNotFoundException { + //データベースの接続オブジェクトを初期化 + Connection con = null; + // JDBCドライバの読み込み + Class.forName("com.mysql.cj.jdbc.Driver"); + // Connectionの生成 + try { + con = DriverManager.getConnection( + "jdbc:mysql://127.0.0.1:3306/rezodb" // データベース + , "rezouser" // ユーザ + , "Rezo_0000" // パスワード + ); + } catch (SQLException e) { + e.printStackTrace(); + } + return con; + } + /* * TODO 以下の仕様でメソッドを作成してください。 @@ -52,7 +75,15 @@ 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 = null; + try { + if (stmt != null) stmt.close(); + } catch (SQLException e) { + e.printStackTrace(); + } + + } /* * TODO 以下の仕様でメソッドを作成してください。 @@ -63,6 +94,12 @@ 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() { + try { + if (con != null) con.close(); + } catch (SQLException e) { + e.printStackTrace(); + } + } }