質問編集履歴
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gozi
test
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test
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@@ -1,149 +1 @@
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DBからのSQLを用いてchar型のデータを取得したいのですがどうすれば取得できますでしょうか
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DBManager.javaの？？？？の部分の記述方法で悩んでいます。
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DBManager.java
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---
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```
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public class DBManager extends CmDAO {
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// 書き込み内容リストの getter
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public ArrayList<CmDTO> getCmList() {
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Connection conn = null;
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Statement pstmt = null;
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ResultSet rset = null;
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ArrayList<CmDTO> list = new ArrayList<CmDTO>();
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try {
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//AbsDAO クラスのメソッド呼び出し
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conn = getConnection();
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pstmt = conn.createStatement();
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// SELECT 文の実行
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String sql = "SELECT cls_nm FROM cm_nm";
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rset = pstmt.executeQuery(sql);
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// 検索結果の数だけ繰り返す
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while (rset.next()) {
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// 必要な列から値を取り出し、書き込み内容オブジェクトを生成
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CmDTO Cm = new CmDTO();
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Cm.setCls_nm(rset.get？？？？("cls_nm"));
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// 書き込み内容をリストに追加
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list.add(Cm);
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}
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} catch (SQLException e) {
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e.printStackTrace();
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} finally {
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// データベース切断処理
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close(rset);
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close(pstmt);
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close(conn);
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}
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return list;
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}
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}
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```
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CmDTO.java(一部抜粋)
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---
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```
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public class CmDTO {
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private char cls_nm; //区分名
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}
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public CmDTO(){
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}
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public CmDTO(char cls_nm) {
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this.cls_nm =cls_nm ;
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}
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// 各メンバ変数の getter および setter
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}public char getCls_nm() {
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return cls_nm;
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}
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public void setCls_nm(char cls_nm) {
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this.cls_nm = cls_nm;
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}
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```
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1
修正
test
CHANGED
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File without changes
|
test
CHANGED
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@@ -46,7 +46,7 @@
|
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46
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// SELECT 文の実行
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String sql = "SELECT cls_nm
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String sql = "SELECT cls_nm FROM cm_nm";
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rset = pstmt.executeQuery(sql);
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