質問編集履歴
2
わかりずらくてすいません!
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<body>
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<form action="/web-study2/comic" method="get">
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1
ソースを追加しました
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つたない分ですいません
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JSP
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<%@page import="java.util.List"%>
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<%@page import="net.diamondf.ewb.stydy2.model.Comic"%>
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<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
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<% List<Comic> comicList = (List<Comic>)request.getAttribute("comicList"); %>
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title></title>
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</head>
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<body>
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おーす
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<form action="/web-study2/comic" method="get">
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<input type="text" name="Title">
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<input type="submit" value="検索">
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</form>
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//<input type="text" name="ttt">
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<table border="1">
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<tr>
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<th>タイトル</th>
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<th>作者</th>
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<th>価格</th>
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<th>在庫</th>
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</tr>
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<% for(Comic comic:comicList){ %>
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<tr>
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<td><a href="/web-study2/comic/detail"><%= comic.getTitle() %></a> </td>
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<td><%= comic.getAuthor() %></td>
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<td><%= comic.getPrice() %></td>
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<td><%= comic.getStock() %></td>
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</tr>
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<%} %>
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</table>
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</body>
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</html>
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サーブレット
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package net.diamondf.ewb.stydy2.servlet;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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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 net.diamondf.ewb.stydy2.model.Comic;
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/**
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* Servlet implementation class ComicServlet
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*/
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@WebServlet("/comic")
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public class ComicServlet extends HttpServlet {
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private static final long serialVersionUID = 1L;
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/**
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* @see HttpServlet#HttpServlet()
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*/
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public ComicServlet() {
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super();
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// TODO Auto-generated constructor stub
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}
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/**
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* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse 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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// TODO Auto-generated method stub
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//response.getWriter().append("Served at: ").append(request.getContextPath());
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response.setContentType("text/html; charset=UTF-8");//文字化け対策
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Comic co1 = new Comic("java1", "山田", 300, 100);
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//↑このようなnewをのち9個作成しました。
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String title = request.getParameter("title");
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Integer length = 0;
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if (title != null) {
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length = title.length();
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Boolean b = title.contains("abc");
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System.out.println("title : " + title + " b : " + b);
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}
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List<Comic> comicList = new ArrayList<>();
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if (length == 0) {
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comicList.add(co1);
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comicList.add(co2);
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comicList.add(co3);
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comicList.add(co4);
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comicList.add(co5);
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comicList.add(co6);
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comicList.add(co7);
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comicList.add(co8);
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comicList.add(co9);
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comicList.add(co10);
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}
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for(Comic comic:comicList) {
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comic.getTitle();
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System.out.println(comic.getTitle());
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comicList.size();
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request.setAttribute("comicList", comicList);
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request.getRequestDispatcher("/WEB-INF/view/comic1.jsp").forward(request, response);
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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)
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throws ServletException, IOException {
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// TODO Auto-generated method stub
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doGet(request, response);
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}
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}
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