質問編集履歴
2
追記しました
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@@ -215,3 +215,75 @@
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```
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### 該当のソースコード
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```ここに言語名を入力
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package com.example.demo.entity;
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import lombok.Data;
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@Data
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public class MUser {
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private String userId;
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private String password;
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private String role;
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}
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```
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### 該当のソースコード
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```ここに言語名を入力
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package com.example.demo.entity;
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import java.time.LocalDateTime;
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import lombok.Getter;
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import lombok.Setter;
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@Getter
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@Setter
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public class Note {
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private int id;
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private LocalDateTime dateTime;
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private String title;
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private String name;
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private String contents;
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}
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```
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1
ソールコードを追記しました。
test
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test
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@@ -13,3 +13,205 @@
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スコープがsingletonだからだと思うのですが、sessionもしくはapplication
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に変更すれば良いのでしょうか？
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### 該当のソースコード
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```ここに言語名を入力
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CREATE TABLE note (
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id int(5) NOT NULL AUTO_INCREMENT,
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dateTime datetime,
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name varchar(20),
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title varchar(30),
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contents varchar(500) NOT NULL,
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PRIMARY KEY (id)
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);
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CREATE TABLE IF NOT EXISTS user (
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user_id VARCHAR(50) PRIMARY KEY,
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password VARCHAR(100),
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role VARCHAR(50)
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);
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```### 該当のソースコード
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```ここに言語名を入力
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package com.example.demo.Dao;
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import java.sql.Timestamp;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import java.util.Optional;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.jdbc.core.JdbcTemplate;
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import org.springframework.stereotype.Repository;
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import com.example.demo.entity.Note;
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@Repository
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public class NoteDaoImpl implements NoteDao {
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// データベース操作用のクラス
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private final JdbcTemplate jdbcTemplate;
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@Autowired
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public NoteDaoImpl(JdbcTemplate jdbcTemplate) {
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this.jdbcTemplate = jdbcTemplate;
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}
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@Override
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public void create(Note note) {
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jdbcTemplate.update("INSERT INTO note(dateTime, title, name, contents) values(?,?,?,?)", note.getDateTime(),
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note.getTitle(), note.getName(), note.getContents());
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}
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@Override
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public int update(Note note) {
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return jdbcTemplate.update("UPDATE note SET dateTime = ?, name = ?, title = ?, contents = ? WHERE id = ?",
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note.getDateTime(), note.getName(), note.getTitle(), note.getContents(), note.getId());
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}
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@Override
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public int deleteById(int id) {
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return jdbcTemplate.update("DELETE FROM note WHERE id = ?", id);
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}
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@Override
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public List<Note> getAll() {
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String sql = "SELECT id, dateTime, name, title, contents FROM note ORDER BY id DESC";
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List<Map<String, Object>> resultList = jdbcTemplate.queryForList(sql);
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List<Note> list = new ArrayList<Note>();
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for (Map<String, Object> result : resultList) {
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Note note = new Note();
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note.setId((int) result.get("id"));
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note.setDateTime(((Timestamp) result.get("dateTime")).toLocalDateTime());
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note.setName((String) result.get("name"));
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note.setTitle((String) result.get("title"));
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note.setContents((String) result.get("contents"));
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list.add(note);
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}
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return list;
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}
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@Override
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public Optional<Note> findById(int id) {
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String sql = "SELECT id, dateTime, name, title, contents FROM note WHERE id = ?";
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Map<String, Object> result = jdbcTemplate.queryForMap(sql, id);
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Note note = new Note();
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note.setId((int) result.get("id"));
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note.setDateTime(((Timestamp) result.get("dateTime")).toLocalDateTime());
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note.setName((String) result.get("name"));
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note.setTitle((String) result.get("title"));
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note.setContents((String) result.get("contents"));
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// NoteをOptionalでラップする
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Optional<Note> noteOpt = Optional.ofNullable(note);
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return noteOpt;
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}
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}
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```
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