質問編集履歴
1
コードの追加
test
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File without changes
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test
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@@ -73,3 +73,507 @@
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ずれた考え方をしてしまっている気がするのですが、
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アドバイスを言お願いします。
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以下全体のコードです。
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```jsp
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<%@ page language="java" contentType="text/html; charset=UTF-8"
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pageEncoding="UTF-8"%>
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<%@ page import="Change.DataBase"%>
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<%@ page import="java.lang.*" %>
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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>Change_task</title>
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<link rel="stylesheet" href="../CSS/Change.css">
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<SCRIPT type="text/javascript" src="../js/Check_Change.js"></SCRIPT>
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</head>
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<body>
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<H1>アンケートフォーム</H1>
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<% DataBase db = new DataBase(); %>
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<%
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if(db.getError() != null){ %>
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<p><%= System.out.println(db.getError()) %></p>
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<%
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}else{
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%>
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<P>以下のアンケートフォームを入力して変更ボタンを押下してください</P>
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<FORM method="POST" name="question_form" id="form" action="/Change/ChangeServlet">
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<Input type="hidden" name="hiddenNO" value=<%= request.getParameter("ankeno") %>>
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<input type="hidden" name="move" value="update">
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<TABLE class="table">
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<TR class="th1">
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<TH name="left-table">質問</TH>
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<TH>回答</TH>
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</TR>
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～中略～
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</TABLE>
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<DIV class="send_div">
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<INPUT type="submit" class="send_button" value="変更" >
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</DIV>
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</FORM>
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<FORM>
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<DIV>
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<INPUT type="button" class="reset" value="リセット" onClick="location.reload();">
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</DIV>
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</FORM>
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<% } %>
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</body>
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</html>
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```
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```servlet
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package Change;
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import java.io.IOException;
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import java.sql.Connection;
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import java.sql.PreparedStatement;
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import java.sql.SQLException;
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import java.sql.Statement;
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import javax.servlet.ServletException;
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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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public class ChangeServlet extends HttpServlet {
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private static final long serialVersionUID = 1L;
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protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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request.setCharacterEncoding("utf-8");
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//前準備
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String e;
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int count = 0;
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DataBase db = new DataBase();
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//各データを受け取って、条件に合うのか確かめる
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//郵便番号
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String p1 = request.getParameter("post_num1");
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String p2 = request.getParameter("post_num2");
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if(p1 != null && p1.length() ==3) { //郵便番号1がNullではなくかつ3桁か
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count++;
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}else {
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e = "郵便番号1は3桁の数字で入力してください";
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db.setError(e);
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request.getRequestDispatcher("/jsp/Change_Update.jsp").forward(request, response);
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}
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if(p2 != null && p2.length() ==4) { //郵便番号2がNullではなくかつ4桁か
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count++;
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}else {
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e = "郵便番号2は4桁の数字で入力してください";
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db.setError(e);
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request.getRequestDispatcher("/jsp/Change_Update.jsp").forward(request, response);
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}
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//住所チェック
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String address = request.getParameter("address");
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if(address != null) {
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count++;
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}else {
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e = "住所を入力してください";
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db.setError(e);
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request.getRequestDispatcher("/jsp/Change_Update.jsp").forward(request, response);
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}
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//氏名
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String name = request.getParameter("name");
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if(name != null ) {
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count++;
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}else {
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e = "氏名を入力してください";
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db.setError(e);
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request.getRequestDispatcher("/jsp/Change_Update.jsp").forward(request, response);
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}
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//年
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String year = request.getParameter("year");
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if(year != null) {
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count++;
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}else {
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e = "生まれ年を入力してください";
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db.setError(e);
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request.getRequestDispatcher("/jsp/Change_Update.jsp").forward(request, response);
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}
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//月
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String month = request.getParameter("month");
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if(month != null && month.length() <= 2 && Integer.parseInt(month) <= 12 && Integer.parseInt(month) >= 1) {
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count++;
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}else {
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e = "生まれ月は1~12で入力してください";
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db.setError(e);
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request.getRequestDispatcher("/jsp/Change_Update.jsp").forward(request, response);
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}
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//日
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String date = request.getParameter("date");
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if(date != null && date.length() <= 2 && Integer.parseInt(date) <=31 && Integer.parseInt(date) >=1) {
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count++;
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}else {
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e = "生まれ日は1~31で入力してください";
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db.setError(e);
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request.getRequestDispatcher("/jsp/Change_Update.jsp").forward(request, response);
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}
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//血液
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String blood = request.getParameter("blood");
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if(blood != null) {
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count++;
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}else {
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e = "血液型を選択してください";
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db.setError(e);
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request.getRequestDispatcher("/jsp/Change_Update.jsp").forward(request, response);
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}
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//意見
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String opinion = request.getParameter("opinion");
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if(opinion != null && opinion.length() <= 200) {
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count++;
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}else {
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e = "ご意見は200文字まで入力できます";
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db.setError(e);
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request.getRequestDispatcher("/jsp/Change_Update.jsp").forward(request, response);
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}
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//総合
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if(count == 10) {
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//SQL文の準備（すべてのカラムにアンケート内容を入れるので、prepareを使って後からバインドさせる）
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400
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401
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String sql ="UPDATE Information SET POSTNUM = ? , ADDRESS = ? , BIRTHYEAR = ? , BIRTHMONTH = ? , BIRTHDAY = ? , PHONE1 = ? , PHONE2 = ? , PHONE3 = ? , BLOOD = ? , BREAKFAST = ? , OPINION = ? WHERE NO = ?";
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//接続準備
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404
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Connection conn = null;
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406
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407
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PreparedStatement smt = null;
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408
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409
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//更新のコード
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410
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411
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if(request.getParameter("move") == "update") {
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//接続開始
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414
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415
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try {
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416
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417
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conn = DBManager.getConnection();
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418
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419
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//バインド用のSQLを準備
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420
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421
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smt = conn.prepareStatement(sql);
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422
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423
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424
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425
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//バインド開始
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426
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427
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smt.setString(1, (request.getParameter("post_num1") + request.getParameter("post_num2")));
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428
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smt.setString(2, request.getParameter("address"));
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430
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431
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smt.setString(3, request.getParameter("year"));
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432
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433
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smt.setString(4, request.getParameter("month"));
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434
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435
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smt.setString(5, request.getParameter("date"));
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436
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437
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smt.setString(6, request.getParameter("phone_num1"));
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438
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439
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smt.setString(7, request.getParameter("phone_num2"));
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440
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441
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smt.setString(8, request.getParameter("phone_num3"));
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442
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443
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smt.setString(9, request.getParameter("blood"));
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444
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445
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smt.setString(10, request.getParameter("food"));
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446
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447
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smt.setString(11, request.getParameter("opinion"));
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448
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449
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smt.setString(12, request.getParameter("hiddenNO"));
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450
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451
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//実行
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452
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453
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smt.executeQuery();
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454
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+
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455
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+
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456
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+
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457
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}catch(SQLException er) {
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458
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+
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459
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throw new ServletException(er);
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460
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+
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461
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}finally {
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462
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+
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463
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if(smt != null) {
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464
|
+
|
|
465
|
+
try {smt.close();}catch(SQLException ignore) {}
|
|
466
|
+
|
|
467
|
+
}
|
|
468
|
+
|
|
469
|
+
if(conn != null) {
|
|
470
|
+
|
|
471
|
+
try {conn.close();}catch(SQLException ignore) {}
|
|
472
|
+
|
|
473
|
+
}
|
|
474
|
+
|
|
475
|
+
}
|
|
476
|
+
|
|
477
|
+
//登録をする場合のコード
|
|
478
|
+
|
|
479
|
+
}else if(request.getParameter("move") == "regist") {
|
|
480
|
+
|
|
481
|
+
//insertさせるNoは、今テーブルに入っている数＋１なので、countを求めるSQL
|
|
482
|
+
|
|
483
|
+
String sql2 = "SELECT count(No) FROM Information";
|
|
484
|
+
|
|
485
|
+
Statement smt2 = null;
|
|
486
|
+
|
|
487
|
+
|
|
488
|
+
|
|
489
|
+
//接続開始
|
|
490
|
+
|
|
491
|
+
try {
|
|
492
|
+
|
|
493
|
+
conn = DBManager.getConnection();
|
|
494
|
+
|
|
495
|
+
//バインド用のSQLを準備
|
|
496
|
+
|
|
497
|
+
smt = conn.prepareStatement(sql);
|
|
498
|
+
|
|
499
|
+
//count用のSQL準備＆実行
|
|
500
|
+
|
|
501
|
+
smt2 = conn.createStatement();
|
|
502
|
+
|
|
503
|
+
count = smt2.executeUpdate(sql2);
|
|
504
|
+
|
|
505
|
+
|
|
506
|
+
|
|
507
|
+
//バインド開始
|
|
508
|
+
|
|
509
|
+
smt.setInt(1, count+1);//NOやからここより前にcount(No)の値をselectしておかないといけない。それプラス1
|
|
510
|
+
|
|
511
|
+
smt.setString(2, (request.getParameter("post_num1") + request.getParameter("post_num2")));
|
|
512
|
+
|
|
513
|
+
smt.setString(3, request.getParameter("address"));
|
|
514
|
+
|
|
515
|
+
smt.setString(4, request.getParameter("year"));
|
|
516
|
+
|
|
517
|
+
smt.setString(5, request.getParameter("month"));
|
|
518
|
+
|
|
519
|
+
smt.setString(6, request.getParameter("date"));
|
|
520
|
+
|
|
521
|
+
smt.setString(7, request.getParameter("phone_num1"));
|
|
522
|
+
|
|
523
|
+
smt.setString(8, request.getParameter("phone_num2"));
|
|
524
|
+
|
|
525
|
+
smt.setString(9, request.getParameter("phone_num3"));
|
|
526
|
+
|
|
527
|
+
smt.setString(10, request.getParameter("blood"));
|
|
528
|
+
|
|
529
|
+
smt.setString(11, request.getParameter("food"));
|
|
530
|
+
|
|
531
|
+
smt.setString(12, request.getParameter("opinion"));
|
|
532
|
+
|
|
533
|
+
//実行
|
|
534
|
+
|
|
535
|
+
smt.executeQuery();
|
|
536
|
+
|
|
537
|
+
|
|
538
|
+
|
|
539
|
+
}catch(SQLException er) {
|
|
540
|
+
|
|
541
|
+
throw new ServletException(er);
|
|
542
|
+
|
|
543
|
+
}finally {
|
|
544
|
+
|
|
545
|
+
if(smt != null) {
|
|
546
|
+
|
|
547
|
+
try {smt.close();}catch(SQLException ignore) {}
|
|
548
|
+
|
|
549
|
+
}
|
|
550
|
+
|
|
551
|
+
if(conn != null) {
|
|
552
|
+
|
|
553
|
+
try {conn.close();}catch(SQLException ignore) {}
|
|
554
|
+
|
|
555
|
+
}
|
|
556
|
+
|
|
557
|
+
}
|
|
558
|
+
|
|
559
|
+
}
|
|
560
|
+
|
|
561
|
+
|
|
562
|
+
|
|
563
|
+
|
|
564
|
+
|
|
565
|
+
request.getRequestDispatcher("/jsp/result.jsp").forward(request, response);
|
|
566
|
+
|
|
567
|
+
}
|
|
568
|
+
|
|
569
|
+
doGet(request, response);
|
|
570
|
+
|
|
571
|
+
}
|
|
572
|
+
|
|
573
|
+
|
|
574
|
+
|
|
575
|
+
}
|
|
576
|
+
|
|
577
|
+
|
|
578
|
+
|
|
579
|
+
```
|