質問編集履歴
2
コードを変更いたしました。
test
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test
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@@ -108,11 +108,11 @@
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108
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if (list != null) {
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-
bookName =
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bookName = *******;
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detail =
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detail = *******;
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author =
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author = *******;
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request.setAttribute("booktitle", bookName);
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1
コードを見やすく修正いたしました。
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test
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@@ -1,12 +1,94 @@
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1
1
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### 前提・実現したいこと
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-
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-
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2
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listの値をどのように変数に格納したらいいか教えてください。
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6
4
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7
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以下if文で、bookNameにlist のgetBooktitleを格納したいです。
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8
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よろしくお願いいたします。
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8
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9
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11
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```Serblet
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package book;
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15
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import java.io.IOException;
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18
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import java.util.ArrayList;
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import javax.servlet.RequestDispatcher;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import dao.BookDao;
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import dba.DBManager;
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import dto.BookDto;
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/**
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* Servlet implementation class BookDetailServlet
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*/
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@WebServlet(description = "一覧画面にて作品詳細ボタン押下時に受け取るServletクラス", urlPatterns = { "/BookDetailServlet" })
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public class BookDetailServlet extends HttpServlet {
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private static final long serialVersionUID = 1L;
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/**
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* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
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* response)
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*/
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protected void doGet(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException {
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int id = 0;
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String bookName = null;
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String detail = null;
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String author = null;
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BookDto book = new BookDto(id, bookName, detail, author);
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String idAsString = request.getParameter("id");
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id = Integer.parseInt(idAsString);
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DBManager db = new DBManager();
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10
92
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11
93
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12
94
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@@ -26,11 +108,11 @@
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26
108
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109
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if (list != null) {
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28
110
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29
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-
bookName =
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111
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+
bookName = book.getBooktitle();
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112
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31
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-
detail =
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113
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detail = book.getBooktext();
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-
author =
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author = book.getAuthor();
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request.setAttribute("booktitle", bookName);
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@@ -49,3 +131,13 @@
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e.printStackTrace();
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}
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}
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}
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```
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