質問編集履歴
12
意図的に内容を抹消する行為にあたるため
test
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jspにDBから取得したデータを反映させたい
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### 前提・実現したいこと
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初心者のものです。
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ID、商品名、単価を表示させるプログラムなのですが、MVCモデルで混乱してしまい、
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まずはIDだけでも表示させようと取り組んでおります。
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ですが、jspにDBから取得したデータを反映させたいのですが上手くいきません。
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ご教授いただければ幸いです。
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### 発生している問題・エラーメッセージ
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検索処理クラスではShohinBeanオブジェクトにユーザ情報をセットするコードでshohinBean を変数に解決できません
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表示画面jspではidを表示させる部分で構文を削除してくださいと出てしまいます。
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### ID入力画面
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```HTML(ID入力画面)
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="shift_jis">
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<title>商品ID入力画面</title>
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</head>
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<body>
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<div align="center">
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<form action="search" method="post">
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<table>
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<tr>
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<td>商品ID：</td>
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<td><input type="text" name="shohinId"></td>
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</tr>
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</table>
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<input class="button" type="submit" value="検索">
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</form>
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</div>
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</body>
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</html>
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```
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### BEAN
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```JAVA
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package jp.co.keyaki.bean;
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public class ShohinBean {
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private String shohinId;
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private String shohinName;
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private int tanka;
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public void setShohinid(String shohinId) {
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this.shohinId = shohinId;
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}
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public String getShohinid() {
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return shohinId;
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}
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public void setShohinname(String shohinName) {
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this.shohinName = shohinName;
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}
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public String getShohinname() {
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return shohinName;
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}
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public void setTanka(int tanka) {
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this.tanka = tanka;
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}
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public int getTanka() {
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return tanka;
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}
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}
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```
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### 検索処理クラス
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```JAVA
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package jp.co.keyaki.service;
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import java.sql.Connection;
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import java.sql.DriverManager;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import org.postgresql.util.PSQLException;
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import jp.co.keyaki.bean.ShohinBean;
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public class ShohinSearch {
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public ShohinBean search(String shohinId)
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145
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throws ClassNotFoundException, SQLException {
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Connection connection = null;
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PreparedStatement preparedStatement = null;
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ResultSet resultSet = null;
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ShohinBean shohinBean = null;
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try {
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Class.forName("org.postgresql.Driver");
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connection = DriverManager.getConnection(
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"jdbc:postgresql://【ホスト名】/【データベース名】", "【ユーザ名】", "【パスワード】");
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String SQL = "SELECT shohin_id FROM tb_shohin WHERE shohin_id = ?";
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preparedStatement = connection.prepareStatement(SQL);
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preparedStatement.setString(1, shohinId);
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ResultSet rs = preparedStatement.executeQuery();
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if (rs.next()) {
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shohinBean = new ShohinBean();
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shohinBean.setShohinid(rs.getString("shohinId"));
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}
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} catch (ClassNotFoundException e) {
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e.printStackTrace();
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} catch (PSQLException e) {
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e.printStackTrace();
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186
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} finally {
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189
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if (resultSet != null) {
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resultSet.close();
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}
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194
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if (preparedStatement != null) {
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preparedStatement.close();
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198
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199
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}
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200
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if (connection != null) {
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202
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203
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connection.close();
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204
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205
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}
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206
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207
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}
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208
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209
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return shohinBean;
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210
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211
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}
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212
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213
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}
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214
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215
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```
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216
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217
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### 商品情報表示画面
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218
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219
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```jsp
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220
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221
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<%@ page contentType="text/html; charset=Windows-31J" %>
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222
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223
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<%@ page import="jp.co.keyaki.bean.ShohinBean" %>
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224
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225
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<%
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226
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227
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ShohinBean shohinBean = (ShohinBean) session.getAttribute("shohinBean");
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228
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229
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%>
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230
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231
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<html>
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232
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233
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<head>
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234
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235
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<meta charset="shift-jis">
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236
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237
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<title>商品情報 検索結果</title>
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238
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239
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</head>
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240
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241
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<body>
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242
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243
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<div align="center">
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244
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245
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<table border="1">
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246
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+
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247
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<tr><th>商品ID</th><th><%=shohinBean.getShohinid()%></th></tr>
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248
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249
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<tr><th>商品名</th><td>ここに商品名を入れる</td></tr>
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250
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251
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<tr><th>単価</th><td>ここに単価を入れる</td></tr>
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252
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253
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</table>
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254
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255
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</div>
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256
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257
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</body>
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258
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259
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</html>
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260
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261
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```
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262
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263
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###サーブレット
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264
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265
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```JAVA(サーブレット)
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266
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267
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package jp.co.keyaki.controller;
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268
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269
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import java.io.IOException;
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270
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271
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import javax.servlet.RequestDispatcher;
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272
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273
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import javax.servlet.ServletContext;
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274
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275
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import javax.servlet.ServletException;
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276
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277
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import javax.servlet.http.HttpServlet;
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278
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279
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import javax.servlet.http.HttpServletRequest;
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280
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281
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import javax.servlet.http.HttpServletResponse;
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282
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+
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283
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import jp.co.keyaki.bean.ShohinBean;
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284
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+
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285
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import jp.co.keyaki.service.ShohinSearch;
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286
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287
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public class ShohinController extends HttpServlet {
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288
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289
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public void doPost(HttpServletRequest request, HttpServletResponse response)
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290
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291
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+
throws ServletException, IOException {
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292
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|
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293
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// forward実行時に遷移するページを指定
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294
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295
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String target = null;
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296
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+
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297
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try {
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298
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|
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299
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// クライアントからのリクエストパラメータ（商品ID）を取得
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300
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301
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String shohinId = request.getParameter("shohinId");
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302
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+
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303
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// 商品IDをもとに、商品情報を検索(JavaBeans処理)
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304
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+
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305
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ShohinSearch shohinSearch = new ShohinSearch();
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306
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307
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ShohinBean shohinBean = shohinSearch.search(shohinId);
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308
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+
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309
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// 取得した商品情報Beanをリクエストスコープにセット
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310
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+
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311
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request.setAttribute("shohinBean", shohinBean);
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312
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+
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313
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// 商品情報表示画面のURLをセット
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314
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+
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315
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+
target = "/shohinDisplay.jsp";
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316
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+
|
|
317
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+
} catch (Exception e) {
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318
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+
|
|
319
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+
e.printStackTrace();
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320
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+
|
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321
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+
// システムエラー画面のURLをセット
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322
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323
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target = "/systemError.jsp";
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324
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+
|
|
325
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+
} finally {
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326
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+
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327
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ServletContext context = this.getServletContext();
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328
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+
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329
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RequestDispatcher dispatcher = context.getRequestDispatcher(target);
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330
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+
|
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331
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+
dispatcher.forward(request, response);
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332
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+
|
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333
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+
}
|
|
334
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+
|
|
335
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+
}
|
|
336
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+
|
|
337
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+
}
|
|
338
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+
|
|
339
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+
```
|
|
340
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+
|
|
341
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+
```xml
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|
342
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+
|
|
343
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+
<?xml version="1.0" encoding="UTF-8"?>
|
|
344
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+
|
|
345
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+
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
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346
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+
|
|
347
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+
xmlns="http://xmlns.jcp.org/xml/ns/javaee"
|
|
348
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+
|
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349
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+
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
|
|
350
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+
|
|
351
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+
id="WebApp_ID" version="3.1">
|
|
352
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+
|
|
353
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+
<display-name>lesson6</display-name>
|
|
354
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+
|
|
355
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+
<servlet>
|
|
356
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+
|
|
357
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+
<servlet-name>search</servlet-name>
|
|
358
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+
|
|
359
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+
<servlet-class>jp.co.keyaki.controller.ShohinController</servlet-class>
|
|
360
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+
|
|
361
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+
</servlet>
|
|
362
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+
|
|
363
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+
<servlet-mapping>
|
|
364
|
+
|
|
365
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+
<servlet-name>search</servlet-name>
|
|
366
|
+
|
|
367
|
+
<url-pattern>/search</url-pattern>
|
|
368
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+
|
|
369
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+
</servlet-mapping>
|
|
370
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+
|
|
371
|
+
<welcome-file-list>
|
|
372
|
+
|
|
373
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+
<welcome-file>index.html</welcome-file>
|
|
374
|
+
|
|
375
|
+
</welcome-file-list>
|
|
376
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+
|
|
377
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+
</web-app>
|
|
378
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+
|
|
379
|
+
```
|
|
380
|
+
|
|
381
|
+
ここにより詳細な情報を記載してください。
|
11
削除
test
CHANGED
|
@@ -1 +1 @@
|
|
|
1
|
-
|
|
1
|
+
削除、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、
|
test
CHANGED
|
@@ -1,485 +1 @@
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### 前提・実現したいこと
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初心者のものです。
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-
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削除、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、
|
|
14
|
-
|
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15
|
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まずはIDだけでも表示させようと取り組んでおります。
|
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16
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-
|
|
17
|
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ですが、jspにDBから取得したデータを反映させたいのですが上手くいきません。
|
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18
|
-
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19
|
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ご教授いただければ幸いです。
|
|
20
|
-
|
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21
|
-
|
|
22
|
-
|
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23
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### 発生している問題・エラーメッセージ
|
|
24
|
-
|
|
25
|
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検索処理クラスではShohinBeanオブジェクトにユーザ情報をセットするコードでshohinBean を変数に解決できません
|
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28
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|
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表示画面jspではidを表示させる部分で構文を削除してくださいと出てしまいます。
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-
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31
|
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32
|
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33
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### ID入力画面
|
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34
|
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35
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|
36
|
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|
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37
|
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```HTML(ID入力画面)
|
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38
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-
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<!DOCTYPE html>
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40
|
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|
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41
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<html>
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<head>
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<meta charset="shift_jis">
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47
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<title>商品ID入力画面</title>
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|
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49
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</head>
|
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|
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|
|
51
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<body>
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53
|
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<div align="center">
|
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54
|
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55
|
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<form action="search" method="post">
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|
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57
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<table>
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58
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|
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<tr>
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60
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<td>商品ID：</td>
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<td><input type="text" name="shohinId"></td>
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</tr>
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</table>
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|
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|
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<input class="button" type="submit" value="検索">
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|
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</form>
|
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</div>
|
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|
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|
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</body>
|
|
76
|
-
|
|
77
|
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</html>
|
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78
|
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|
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79
|
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```
|
|
80
|
-
|
|
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|
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|
|
82
|
-
|
|
83
|
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### BEAN
|
|
84
|
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|
|
85
|
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```JAVA
|
|
86
|
-
|
|
87
|
-
package jp.co.keyaki.bean;
|
|
88
|
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89
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90
|
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|
|
91
|
-
public class ShohinBean {
|
|
92
|
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|
|
93
|
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|
|
94
|
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|
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95
|
-
private String shohinId;
|
|
96
|
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|
|
97
|
-
|
|
98
|
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|
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99
|
-
private String shohinName;
|
|
100
|
-
|
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101
|
-
|
|
102
|
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|
|
103
|
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private int tanka;
|
|
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|
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|
|
105
|
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|
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106
|
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|
|
107
|
-
public void setShohinid(String shohinId) {
|
|
108
|
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|
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109
|
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this.shohinId = shohinId;
|
|
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|
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|
|
111
|
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}
|
|
112
|
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|
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113
|
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|
|
114
|
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|
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115
|
-
public String getShohinid() {
|
|
116
|
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|
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|
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return shohinId;
|
|
118
|
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|
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|
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}
|
|
120
|
-
|
|
121
|
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|
|
122
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|
|
123
|
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public void setShohinname(String shohinName) {
|
|
124
|
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|
|
125
|
-
this.shohinName = shohinName;
|
|
126
|
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|
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127
|
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}
|
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|
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|
|
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|
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|
|
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|
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|
|
131
|
-
public String getShohinname() {
|
|
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|
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|
|
133
|
-
return shohinName;
|
|
134
|
-
|
|
135
|
-
}
|
|
136
|
-
|
|
137
|
-
|
|
138
|
-
|
|
139
|
-
public void setTanka(int tanka) {
|
|
140
|
-
|
|
141
|
-
this.tanka = tanka;
|
|
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|
-
|
|
143
|
-
}
|
|
144
|
-
|
|
145
|
-
|
|
146
|
-
|
|
147
|
-
public int getTanka() {
|
|
148
|
-
|
|
149
|
-
return tanka;
|
|
150
|
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|
|
151
|
-
}
|
|
152
|
-
|
|
153
|
-
}
|
|
154
|
-
|
|
155
|
-
```
|
|
156
|
-
|
|
157
|
-
### 検索処理クラス
|
|
158
|
-
|
|
159
|
-
```JAVA
|
|
160
|
-
|
|
161
|
-
package jp.co.keyaki.service;
|
|
162
|
-
|
|
163
|
-
|
|
164
|
-
|
|
165
|
-
import java.sql.Connection;
|
|
166
|
-
|
|
167
|
-
import java.sql.DriverManager;
|
|
168
|
-
|
|
169
|
-
import java.sql.PreparedStatement;
|
|
170
|
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|
|
171
|
-
import java.sql.ResultSet;
|
|
172
|
-
|
|
173
|
-
import java.sql.SQLException;
|
|
174
|
-
|
|
175
|
-
|
|
176
|
-
|
|
177
|
-
import org.postgresql.util.PSQLException;
|
|
178
|
-
|
|
179
|
-
|
|
180
|
-
|
|
181
|
-
import jp.co.keyaki.bean.ShohinBean;
|
|
182
|
-
|
|
183
|
-
|
|
184
|
-
|
|
185
|
-
public class ShohinSearch {
|
|
186
|
-
|
|
187
|
-
|
|
188
|
-
|
|
189
|
-
public ShohinBean search(String shohinId)
|
|
190
|
-
|
|
191
|
-
throws ClassNotFoundException, SQLException {
|
|
192
|
-
|
|
193
|
-
|
|
194
|
-
|
|
195
|
-
Connection connection = null;
|
|
196
|
-
|
|
197
|
-
PreparedStatement preparedStatement = null;
|
|
198
|
-
|
|
199
|
-
ResultSet resultSet = null;
|
|
200
|
-
|
|
201
|
-
ShohinBean shohinBean = null;
|
|
202
|
-
|
|
203
|
-
|
|
204
|
-
|
|
205
|
-
try {
|
|
206
|
-
|
|
207
|
-
Class.forName("org.postgresql.Driver");
|
|
208
|
-
|
|
209
|
-
connection = DriverManager.getConnection(
|
|
210
|
-
|
|
211
|
-
"jdbc:postgresql://【ホスト名】/【データベース名】", "【ユーザ名】", "【パスワード】");
|
|
212
|
-
|
|
213
|
-
|
|
214
|
-
|
|
215
|
-
String SQL = "SELECT shohin_id FROM tb_shohin WHERE shohin_id = ?";
|
|
216
|
-
|
|
217
|
-
preparedStatement = connection.prepareStatement(SQL);
|
|
218
|
-
|
|
219
|
-
preparedStatement.setString(1, shohinId);
|
|
220
|
-
|
|
221
|
-
ResultSet rs = preparedStatement.executeQuery();
|
|
222
|
-
|
|
223
|
-
|
|
224
|
-
|
|
225
|
-
if (rs.next()) {
|
|
226
|
-
|
|
227
|
-
shohinBean = new ShohinBean();
|
|
228
|
-
|
|
229
|
-
shohinBean.setShohinid(rs.getString("shohinId"));
|
|
230
|
-
|
|
231
|
-
}
|
|
232
|
-
|
|
233
|
-
|
|
234
|
-
|
|
235
|
-
} catch (ClassNotFoundException e) {
|
|
236
|
-
|
|
237
|
-
e.printStackTrace();
|
|
238
|
-
|
|
239
|
-
|
|
240
|
-
|
|
241
|
-
} catch (PSQLException e) {
|
|
242
|
-
|
|
243
|
-
e.printStackTrace();
|
|
244
|
-
|
|
245
|
-
|
|
246
|
-
|
|
247
|
-
} finally {
|
|
248
|
-
|
|
249
|
-
if (resultSet != null) {
|
|
250
|
-
|
|
251
|
-
resultSet.close();
|
|
252
|
-
|
|
253
|
-
}
|
|
254
|
-
|
|
255
|
-
if (preparedStatement != null) {
|
|
256
|
-
|
|
257
|
-
preparedStatement.close();
|
|
258
|
-
|
|
259
|
-
}
|
|
260
|
-
|
|
261
|
-
if (connection != null) {
|
|
262
|
-
|
|
263
|
-
connection.close();
|
|
264
|
-
|
|
265
|
-
}
|
|
266
|
-
|
|
267
|
-
}
|
|
268
|
-
|
|
269
|
-
|
|
270
|
-
|
|
271
|
-
return shohinBean;
|
|
272
|
-
|
|
273
|
-
}
|
|
274
|
-
|
|
275
|
-
}
|
|
276
|
-
|
|
277
|
-
|
|
278
|
-
|
|
279
|
-
```
|
|
280
|
-
|
|
281
|
-
### 商品情報表示画面
|
|
282
|
-
|
|
283
|
-
```jsp
|
|
284
|
-
|
|
285
|
-
<%@ page contentType="text/html; charset=Windows-31J" %>
|
|
286
|
-
|
|
287
|
-
<%@ page import="jp.co.keyaki.bean.ShohinBean" %>
|
|
288
|
-
|
|
289
|
-
<%
|
|
290
|
-
|
|
291
|
-
ShohinBean shohinBean = (ShohinBean) session.getAttribute("shohinBean");
|
|
292
|
-
|
|
293
|
-
%>
|
|
294
|
-
|
|
295
|
-
<html>
|
|
296
|
-
|
|
297
|
-
<head>
|
|
298
|
-
|
|
299
|
-
<meta charset="shift-jis">
|
|
300
|
-
|
|
301
|
-
<title>商品情報 検索結果</title>
|
|
302
|
-
|
|
303
|
-
</head>
|
|
304
|
-
|
|
305
|
-
<body>
|
|
306
|
-
|
|
307
|
-
<div align="center">
|
|
308
|
-
|
|
309
|
-
<table border="1">
|
|
310
|
-
|
|
311
|
-
<tr><th>商品ID</th><th><%=shohinBean.getShohinid()%></th></tr>
|
|
312
|
-
|
|
313
|
-
<tr><th>商品名</th><td>ここに商品名を入れる</td></tr>
|
|
314
|
-
|
|
315
|
-
<tr><th>単価</th><td>ここに単価を入れる</td></tr>
|
|
316
|
-
|
|
317
|
-
</table>
|
|
318
|
-
|
|
319
|
-
</div>
|
|
320
|
-
|
|
321
|
-
</body>
|
|
322
|
-
|
|
323
|
-
</html>
|
|
324
|
-
|
|
325
|
-
```
|
|
326
|
-
|
|
327
|
-
|
|
328
|
-
|
|
329
|
-
###サーブレット
|
|
330
|
-
|
|
331
|
-
```JAVA(サーブレット)
|
|
332
|
-
|
|
333
|
-
package jp.co.keyaki.controller;
|
|
334
|
-
|
|
335
|
-
|
|
336
|
-
|
|
337
|
-
import java.io.IOException;
|
|
338
|
-
|
|
339
|
-
|
|
340
|
-
|
|
341
|
-
import javax.servlet.RequestDispatcher;
|
|
342
|
-
|
|
343
|
-
import javax.servlet.ServletContext;
|
|
344
|
-
|
|
345
|
-
import javax.servlet.ServletException;
|
|
346
|
-
|
|
347
|
-
import javax.servlet.http.HttpServlet;
|
|
348
|
-
|
|
349
|
-
import javax.servlet.http.HttpServletRequest;
|
|
350
|
-
|
|
351
|
-
import javax.servlet.http.HttpServletResponse;
|
|
352
|
-
|
|
353
|
-
|
|
354
|
-
|
|
355
|
-
import jp.co.keyaki.bean.ShohinBean;
|
|
356
|
-
|
|
357
|
-
import jp.co.keyaki.service.ShohinSearch;
|
|
358
|
-
|
|
359
|
-
|
|
360
|
-
|
|
361
|
-
public class ShohinController extends HttpServlet {
|
|
362
|
-
|
|
363
|
-
|
|
364
|
-
|
|
365
|
-
public void doPost(HttpServletRequest request, HttpServletResponse response)
|
|
366
|
-
|
|
367
|
-
throws ServletException, IOException {
|
|
368
|
-
|
|
369
|
-
|
|
370
|
-
|
|
371
|
-
// forward実行時に遷移するページを指定
|
|
372
|
-
|
|
373
|
-
String target = null;
|
|
374
|
-
|
|
375
|
-
|
|
376
|
-
|
|
377
|
-
try {
|
|
378
|
-
|
|
379
|
-
// クライアントからのリクエストパラメータ（商品ID）を取得
|
|
380
|
-
|
|
381
|
-
String shohinId = request.getParameter("shohinId");
|
|
382
|
-
|
|
383
|
-
|
|
384
|
-
|
|
385
|
-
// 商品IDをもとに、商品情報を検索(JavaBeans処理)
|
|
386
|
-
|
|
387
|
-
ShohinSearch shohinSearch = new ShohinSearch();
|
|
388
|
-
|
|
389
|
-
ShohinBean shohinBean = shohinSearch.search(shohinId);
|
|
390
|
-
|
|
391
|
-
|
|
392
|
-
|
|
393
|
-
// 取得した商品情報Beanをリクエストスコープにセット
|
|
394
|
-
|
|
395
|
-
request.setAttribute("shohinBean", shohinBean);
|
|
396
|
-
|
|
397
|
-
|
|
398
|
-
|
|
399
|
-
// 商品情報表示画面のURLをセット
|
|
400
|
-
|
|
401
|
-
target = "/shohinDisplay.jsp";
|
|
402
|
-
|
|
403
|
-
|
|
404
|
-
|
|
405
|
-
} catch (Exception e) {
|
|
406
|
-
|
|
407
|
-
e.printStackTrace();
|
|
408
|
-
|
|
409
|
-
|
|
410
|
-
|
|
411
|
-
// システムエラー画面のURLをセット
|
|
412
|
-
|
|
413
|
-
target = "/systemError.jsp";
|
|
414
|
-
|
|
415
|
-
|
|
416
|
-
|
|
417
|
-
} finally {
|
|
418
|
-
|
|
419
|
-
ServletContext context = this.getServletContext();
|
|
420
|
-
|
|
421
|
-
RequestDispatcher dispatcher = context.getRequestDispatcher(target);
|
|
422
|
-
|
|
423
|
-
dispatcher.forward(request, response);
|
|
424
|
-
|
|
425
|
-
}
|
|
426
|
-
|
|
427
|
-
}
|
|
428
|
-
|
|
429
|
-
}
|
|
430
|
-
|
|
431
|
-
```
|
|
432
|
-
|
|
433
|
-
```xml
|
|
434
|
-
|
|
435
|
-
<?xml version="1.0" encoding="UTF-8"?>
|
|
436
|
-
|
|
437
|
-
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
|
438
|
-
|
|
439
|
-
xmlns="http://xmlns.jcp.org/xml/ns/javaee"
|
|
440
|
-
|
|
441
|
-
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
|
|
442
|
-
|
|
443
|
-
id="WebApp_ID" version="3.1">
|
|
444
|
-
|
|
445
|
-
<display-name>lesson6</display-name>
|
|
446
|
-
|
|
447
|
-
|
|
448
|
-
|
|
449
|
-
<servlet>
|
|
450
|
-
|
|
451
|
-
<servlet-name>search</servlet-name>
|
|
452
|
-
|
|
453
|
-
<servlet-class>jp.co.keyaki.controller.ShohinController</servlet-class>
|
|
454
|
-
|
|
455
|
-
</servlet>
|
|
456
|
-
|
|
457
|
-
|
|
458
|
-
|
|
459
|
-
<servlet-mapping>
|
|
460
|
-
|
|
461
|
-
<servlet-name>search</servlet-name>
|
|
462
|
-
|
|
463
|
-
<url-pattern>/search</url-pattern>
|
|
464
|
-
|
|
465
|
-
</servlet-mapping>
|
|
466
|
-
|
|
467
|
-
|
|
468
|
-
|
|
469
|
-
|
|
470
|
-
|
|
471
|
-
<welcome-file-list>
|
|
472
|
-
|
|
473
|
-
<welcome-file>index.html</welcome-file>
|
|
474
|
-
|
|
475
|
-
</welcome-file-list>
|
|
476
|
-
|
|
477
|
-
</web-app>
|
|
478
|
-
|
|
479
|
-
```
|
|
480
|
-
|
|
481
|
-
|
|
482
|
-
|
|
483
|
-
|
|
484
|
-
|
|
485
|
-
ここにより詳細な情報を記載してください。
|
10
shohinIdに揃えました
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -60,7 +60,7 @@
|
|
|
60
60
|
|
|
61
61
|
<td>商品ID：</td>
|
|
62
62
|
|
|
63
|
-
<td><input type="text" name="shohin
|
|
63
|
+
<td><input type="text" name="shohinId"></td>
|
|
64
64
|
|
|
65
65
|
</tr>
|
|
66
66
|
|
9
誤字
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -208,7 +208,7 @@
|
|
|
208
208
|
|
|
209
209
|
connection = DriverManager.getConnection(
|
|
210
210
|
|
|
211
|
-
"jdbc:postgresql://
|
|
211
|
+
"jdbc:postgresql://【ホスト名】/【データベース名】", "【ユーザ名】", "【パスワード】");
|
|
212
212
|
|
|
213
213
|
|
|
214
214
|
|
8
型の修正
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -92,13 +92,11 @@
|
|
|
92
92
|
|
|
93
93
|
|
|
94
94
|
|
|
95
|
-
private
|
|
95
|
+
private String shohinId;
|
|
96
|
-
|
|
97
|
-
|
|
96
|
+
|
|
98
|
-
|
|
99
|
-
|
|
100
|
-
|
|
97
|
+
|
|
98
|
+
|
|
101
|
-
private
|
|
99
|
+
private String shohinName;
|
|
102
100
|
|
|
103
101
|
|
|
104
102
|
|
|
@@ -122,7 +120,7 @@
|
|
|
122
120
|
|
|
123
121
|
|
|
124
122
|
|
|
125
|
-
public void setShohinname(
|
|
123
|
+
public void setShohinname(String shohinName) {
|
|
126
124
|
|
|
127
125
|
this.shohinName = shohinName;
|
|
128
126
|
|
|
@@ -130,7 +128,7 @@
|
|
|
130
128
|
|
|
131
129
|
|
|
132
130
|
|
|
133
|
-
public
|
|
131
|
+
public String getShohinname() {
|
|
134
132
|
|
|
135
133
|
return shohinName;
|
|
136
134
|
|
7
誤字
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -94,6 +94,8 @@
|
|
|
94
94
|
|
|
95
95
|
private char shohinId;
|
|
96
96
|
|
|
97
|
+
String shohinId = String.valueOf(shohinid);
|
|
98
|
+
|
|
97
99
|
|
|
98
100
|
|
|
99
101
|
private char shohinName;
|
|
@@ -104,7 +106,7 @@
|
|
|
104
106
|
|
|
105
107
|
|
|
106
108
|
|
|
107
|
-
public void setShohinid(
|
|
109
|
+
public void setShohinid(String shohinId) {
|
|
108
110
|
|
|
109
111
|
this.shohinId = shohinId;
|
|
110
112
|
|
|
@@ -112,7 +114,7 @@
|
|
|
112
114
|
|
|
113
115
|
|
|
114
116
|
|
|
115
|
-
public
|
|
117
|
+
public String getShohinid() {
|
|
116
118
|
|
|
117
119
|
return shohinId;
|
|
118
120
|
|
|
@@ -216,7 +218,7 @@
|
|
|
216
218
|
|
|
217
219
|
preparedStatement = connection.prepareStatement(SQL);
|
|
218
220
|
|
|
219
|
-
|
|
221
|
+
preparedStatement.setString(1, shohinId);
|
|
220
222
|
|
|
221
223
|
ResultSet rs = preparedStatement.executeQuery();
|
|
222
224
|
|
|
@@ -226,7 +228,7 @@
|
|
|
226
228
|
|
|
227
229
|
shohinBean = new ShohinBean();
|
|
228
230
|
|
|
229
|
-
shohinBean.setShohinid(rs.getString("shohin
|
|
231
|
+
shohinBean.setShohinid(rs.getString("shohinId"));
|
|
230
232
|
|
|
231
233
|
}
|
|
232
234
|
|
6
DB写真の追加
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -1,4 +1,10 @@
|
|
|
1
|
-
|
|
1
|
+
|
|
2
|
+
|
|
3
|
+
|
|
4
|
+
|
|
5
|
+
|
|
6
|
+
|
|
7
|
+
### 前提・実現したいこと
|
|
2
8
|
|
|
3
9
|
初心者のものです。
|
|
4
10
|
|
5
DB写真の追加
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -1,4 +1,4 @@
|
|
|
1
|
-
### 前提・実現したいこと
|
|
1
|
+
### 前提・実現したいこと
|
|
2
2
|
|
|
3
3
|
初心者のものです。
|
|
4
4
|
|
4
大変失礼しました。DBに格納されている型が異なっておりました、、ですが新たにBeanオブジェクトに情報のセット方法が分からなくなってしまいました。
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -76,7 +76,7 @@
|
|
|
76
76
|
|
|
77
77
|
### BEAN
|
|
78
78
|
|
|
79
|
-
```JAVA
|
|
79
|
+
```JAVA
|
|
80
80
|
|
|
81
81
|
package jp.co.keyaki.bean;
|
|
82
82
|
|
|
@@ -86,19 +86,19 @@
|
|
|
86
86
|
|
|
87
87
|
|
|
88
88
|
|
|
89
|
-
private
|
|
89
|
+
private char shohinId;
|
|
90
|
-
|
|
91
|
-
|
|
92
|
-
|
|
90
|
+
|
|
91
|
+
|
|
92
|
+
|
|
93
|
-
private
|
|
93
|
+
private char shohinName;
|
|
94
|
-
|
|
95
|
-
|
|
96
|
-
|
|
94
|
+
|
|
95
|
+
|
|
96
|
+
|
|
97
|
-
private
|
|
97
|
+
private int tanka;
|
|
98
|
-
|
|
99
|
-
|
|
100
|
-
|
|
98
|
+
|
|
99
|
+
|
|
100
|
+
|
|
101
|
-
public void setShohinid(
|
|
101
|
+
public void setShohinid(char shohinId) {
|
|
102
102
|
|
|
103
103
|
this.shohinId = shohinId;
|
|
104
104
|
|
|
@@ -106,7 +106,7 @@
|
|
|
106
106
|
|
|
107
107
|
|
|
108
108
|
|
|
109
|
-
public
|
|
109
|
+
public char getShohinid() {
|
|
110
110
|
|
|
111
111
|
return shohinId;
|
|
112
112
|
|
|
@@ -114,7 +114,7 @@
|
|
|
114
114
|
|
|
115
115
|
|
|
116
116
|
|
|
117
|
-
public void setShohinname(
|
|
117
|
+
public void setShohinname(char shohinName) {
|
|
118
118
|
|
|
119
119
|
this.shohinName = shohinName;
|
|
120
120
|
|
|
@@ -122,7 +122,7 @@
|
|
|
122
122
|
|
|
123
123
|
|
|
124
124
|
|
|
125
|
-
public
|
|
125
|
+
public char getShohinname() {
|
|
126
126
|
|
|
127
127
|
return shohinName;
|
|
128
128
|
|
|
@@ -130,7 +130,7 @@
|
|
|
130
130
|
|
|
131
131
|
|
|
132
132
|
|
|
133
|
-
public void setTanka(
|
|
133
|
+
public void setTanka(int tanka) {
|
|
134
134
|
|
|
135
135
|
this.tanka = tanka;
|
|
136
136
|
|
|
@@ -138,7 +138,7 @@
|
|
|
138
138
|
|
|
139
139
|
|
|
140
140
|
|
|
141
|
-
public
|
|
141
|
+
public int getTanka() {
|
|
142
142
|
|
|
143
143
|
return tanka;
|
|
144
144
|
|
|
@@ -150,7 +150,7 @@
|
|
|
150
150
|
|
|
151
151
|
### 検索処理クラス
|
|
152
152
|
|
|
153
|
-
```JAVA
|
|
153
|
+
```JAVA
|
|
154
154
|
|
|
155
155
|
package jp.co.keyaki.service;
|
|
156
156
|
|
|
@@ -210,7 +210,7 @@
|
|
|
210
210
|
|
|
211
211
|
preparedStatement = connection.prepareStatement(SQL);
|
|
212
212
|
|
|
213
|
-
preparedStatement.setString(1, shohinId);
|
|
213
|
+
preparedStatement.setString(1, String.valueOf(shohinId));
|
|
214
214
|
|
|
215
215
|
ResultSet rs = preparedStatement.executeQuery();
|
|
216
216
|
|
|
@@ -274,7 +274,7 @@
|
|
|
274
274
|
|
|
275
275
|
### 商品情報表示画面
|
|
276
276
|
|
|
277
|
-
```jsp
|
|
277
|
+
```jsp
|
|
278
278
|
|
|
279
279
|
<%@ page contentType="text/html; charset=Windows-31J" %>
|
|
280
280
|
|
3
JAVA(検索処理クラス)に誤りがございました。 ShohinBean shohinBean = null;
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -192,7 +192,7 @@
|
|
|
192
192
|
|
|
193
193
|
ResultSet resultSet = null;
|
|
194
194
|
|
|
195
|
-
ShohinBean
|
|
195
|
+
ShohinBean shohinBean = null;
|
|
196
196
|
|
|
197
197
|
|
|
198
198
|
|
2
見出しの追加
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -24,7 +24,7 @@
|
|
|
24
24
|
|
|
25
25
|
|
|
26
26
|
|
|
27
|
-
###
|
|
27
|
+
### ID入力画面
|
|
28
28
|
|
|
29
29
|
|
|
30
30
|
|
|
@@ -74,7 +74,7 @@
|
|
|
74
74
|
|
|
75
75
|
|
|
76
76
|
|
|
77
|
-
|
|
77
|
+
### BEAN
|
|
78
78
|
|
|
79
79
|
```JAVA(javabean)
|
|
80
80
|
|
|
@@ -148,7 +148,7 @@
|
|
|
148
148
|
|
|
149
149
|
```
|
|
150
150
|
|
|
151
|
-
|
|
151
|
+
### 検索処理クラス
|
|
152
152
|
|
|
153
153
|
```JAVA(検索処理クラス)
|
|
154
154
|
|
|
@@ -272,7 +272,7 @@
|
|
|
272
272
|
|
|
273
273
|
```
|
|
274
274
|
|
|
275
|
-
|
|
275
|
+
### 商品情報表示画面
|
|
276
276
|
|
|
277
277
|
```jsp(商品情報表示画面)
|
|
278
278
|
|
|
@@ -320,6 +320,8 @@
|
|
|
320
320
|
|
|
321
321
|
|
|
322
322
|
|
|
323
|
+
###サーブレット
|
|
324
|
+
|
|
323
325
|
```JAVA(サーブレット)
|
|
324
326
|
|
|
325
327
|
package jp.co.keyaki.controller;
|
1
コードブロックに変更いたしました。
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -24,13 +24,11 @@
|
|
|
24
24
|
|
|
25
25
|
|
|
26
26
|
|
|
27
|
-
###
|
|
27
|
+
###
|
|
28
|
-
|
|
29
|
-
|
|
30
|
-
|
|
28
|
+
|
|
29
|
+
|
|
30
|
+
|
|
31
|
-
```
|
|
31
|
+
```HTML(ID入力画面)
|
|
32
|
-
|
|
33
|
-
ID入力画面
|
|
34
32
|
|
|
35
33
|
<!DOCTYPE html>
|
|
36
34
|
|
|
@@ -76,7 +74,9 @@
|
|
|
76
74
|
|
|
77
75
|
|
|
78
76
|
|
|
77
|
+
|
|
78
|
+
|
|
79
|
-
|
|
79
|
+
```JAVA(javabean)
|
|
80
80
|
|
|
81
81
|
package jp.co.keyaki.bean;
|
|
82
82
|
|
|
@@ -146,9 +146,11 @@
|
|
|
146
146
|
|
|
147
147
|
}
|
|
148
148
|
|
|
149
|
-
|
|
149
|
+
```
|
|
150
|
-
|
|
150
|
+
|
|
151
|
+
|
|
152
|
+
|
|
151
|
-
|
|
153
|
+
```JAVA(検索処理クラス)
|
|
152
154
|
|
|
153
155
|
package jp.co.keyaki.service;
|
|
154
156
|
|
|
@@ -268,7 +270,11 @@
|
|
|
268
270
|
|
|
269
271
|
|
|
270
272
|
|
|
273
|
+
```
|
|
274
|
+
|
|
275
|
+
|
|
276
|
+
|
|
271
|
-
|
|
277
|
+
```jsp(商品情報表示画面)
|
|
272
278
|
|
|
273
279
|
<%@ page contentType="text/html; charset=Windows-31J" %>
|
|
274
280
|
|
|
@@ -310,9 +316,11 @@
|
|
|
310
316
|
|
|
311
317
|
</html>
|
|
312
318
|
|
|
313
|
-
|
|
319
|
+
```
|
|
314
|
-
|
|
320
|
+
|
|
321
|
+
|
|
322
|
+
|
|
315
|
-
|
|
323
|
+
```JAVA(サーブレット)
|
|
316
324
|
|
|
317
325
|
package jp.co.keyaki.controller;
|
|
318
326
|
|
|
@@ -412,6 +420,58 @@
|
|
|
412
420
|
|
|
413
421
|
}
|
|
414
422
|
|
|
423
|
+
```
|
|
424
|
+
|
|
425
|
+
```xml
|
|
426
|
+
|
|
427
|
+
<?xml version="1.0" encoding="UTF-8"?>
|
|
428
|
+
|
|
429
|
+
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
|
430
|
+
|
|
431
|
+
xmlns="http://xmlns.jcp.org/xml/ns/javaee"
|
|
432
|
+
|
|
433
|
+
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
|
|
434
|
+
|
|
435
|
+
id="WebApp_ID" version="3.1">
|
|
436
|
+
|
|
437
|
+
<display-name>lesson6</display-name>
|
|
438
|
+
|
|
439
|
+
|
|
440
|
+
|
|
441
|
+
<servlet>
|
|
442
|
+
|
|
443
|
+
<servlet-name>search</servlet-name>
|
|
444
|
+
|
|
445
|
+
<servlet-class>jp.co.keyaki.controller.ShohinController</servlet-class>
|
|
446
|
+
|
|
447
|
+
</servlet>
|
|
448
|
+
|
|
449
|
+
|
|
450
|
+
|
|
451
|
+
<servlet-mapping>
|
|
452
|
+
|
|
453
|
+
<servlet-name>search</servlet-name>
|
|
454
|
+
|
|
455
|
+
<url-pattern>/search</url-pattern>
|
|
456
|
+
|
|
457
|
+
</servlet-mapping>
|
|
458
|
+
|
|
459
|
+
|
|
460
|
+
|
|
461
|
+
|
|
462
|
+
|
|
463
|
+
<welcome-file-list>
|
|
464
|
+
|
|
465
|
+
<welcome-file>index.html</welcome-file>
|
|
466
|
+
|
|
467
|
+
</welcome-file-list>
|
|
468
|
+
|
|
469
|
+
</web-app>
|
|
470
|
+
|
|
471
|
+
```
|
|
472
|
+
|
|
473
|
+
|
|
474
|
+
|
|
415
475
|
|
|
416
476
|
|
|
417
477
|
ここにより詳細な情報を記載してください。
|