質問編集履歴
1
情報の追加
test
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File without changes
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test
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@@ -153,3 +153,323 @@
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どうぞ宜しくお願い致します。
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追記です。
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実装に何を使っているというのがよくわからないのですが、各コードを記載すればよろしいでしょうか。
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Dao:Serect用メソッド
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```
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public class listDao {
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private static final String url = "jdbc:mysql://localhost:3306/test";
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private static final String user = "root";
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private static final String password = "";
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private static Connection conn = null; // Connectionクラス
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private static PreparedStatement pstmt = null; // Statementクラス
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private static ResultSet rs = null; // ResultSetクラス
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public ArrayList<Listinfo> findAll(String[] args) {
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ArrayList<Listinfo> listInfos = new ArrayList<Listinfo>();
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String sql = "SELECT * FROM e_einfo";
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try {
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Class.forName("com.mysql.jdbc.Driver"); // ドライバクラスのロード
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// Connection,Statement,ResultSetのクラスを作成
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conn = DriverManager.getConnection(url, user, password); // Connectionクラス生成
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pstmt = conn.prepareStatement(sql); // Statementクラス生成
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rs = pstmt.executeQuery(); // ResultSetクラス生成
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while (rs.next()) {
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// 結果表からデータを取得
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Listinfo list = new Listinfo();
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// list.setAge(rs.getInt("age"));
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list.setEmployeeId(rs.getString("employee_id"));
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list.setName(rs.getString("name"));
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list.setNameHiragana(rs.getString("name_hiragana"));
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String birthday = rs.getString("birthday");
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int age = convertAge(birthday);
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list.setAge(age);
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listInfos.add(list);
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}
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} catch (SQLException e) {
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e.printStackTrace();
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} catch (ClassNotFoundException e) {
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} finally {
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if (rs != null) {
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try {
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rs.close();
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} catch (SQLException e) {
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}
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rs = null;
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}
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if (pstmt != null) {
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try {
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pstmt.close();
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} catch (SQLException e) {
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}
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pstmt = null;
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}
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if (conn != null) {
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try {
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conn.close();
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} catch (SQLException e) {
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}
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conn = null;
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}
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}
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return listInfos;
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}
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```
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Dao:Insertメソッド
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```
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public void InsertInformation(String employeeId, String name,
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String name_hiragana, String birthday) throws ClassNotFoundException, SQLException {
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// SQL文
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String sql = "INSERT INTO employee_info (name, name_hiragana, birthday) values(?, ?, cast(? as date))";
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try {
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Class.forName("com.mysql.jdbc.Driver"); // ドライバクラスのロード
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conn = DriverManager.getConnection(url, user, password); // Connectionクラス生成
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pstmt = conn.prepareStatement(sql); // PreparedStatementクラス生成
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pstmt.setString(1, name);
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pstmt.setString(2, name_hiragana);
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pstmt.setString(3, birthday);
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pstmt.executeUpdate(); // INSERT文を実行
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conn.close();
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} catch (SQLException e) {
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e.printStackTrace();
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} catch (ClassNotFoundException e) {
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} finally {
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// 終了処理
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// PreparedStatement終了
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if (pstmt != null) {
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try {
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pstmt.close();
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} catch (SQLException e) {
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}
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pstmt = null;
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}
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// Connection終了
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if (conn != null) {
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try {
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conn.close();
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} catch (SQLException e) {
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}
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conn = null;
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}
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}
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}
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```
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最後に入力画面のServetです。
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410
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411
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412
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413
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```
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/**
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* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
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*/
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protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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// HttpSession session = request.getSession();
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request.setCharacterEncoding("UTF-8");
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String Id = request.getParameter("Id");
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String name = request.getParameter("name");
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String name_hiragana = request.getParameter("nameHiragana");
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String birthday = request.getParameter("birthday");
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439
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441
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listDao dao = new listDao(); //Daoクラス生成
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442
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try {
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dao.InsertInformation(employeeId, name, name_hiragana, birthday);
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} catch (ClassNotFoundException e) {
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// TODO 自動生成された catch ブロック
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e.printStackTrace();
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453
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} catch (SQLException e) {
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455
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// TODO 自動生成された catch ブロック
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456
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e.printStackTrace();
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459
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} //挿入処理}
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460
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// session.setAttribute("Infomation", dao);
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462
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463
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response.sendRedirect("./List");
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466
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}
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468
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469
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}
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470
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471
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```
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472
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473
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+
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474
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+
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475
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+
以上になります。
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