質問編集履歴
1
比較対象の追記
test
CHANGED
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@@ -1 +1 @@
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1
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-
サーブレットクラス初期化中時
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1
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サーブレットクラス初期化中時にClassNotFoundが発生しクラスが見つからない
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test
CHANGED
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@@ -1,12 +1,18 @@
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1
1
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お世話になります。
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2
2
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3
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-
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3
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+
jspからサーブレット呼び出すときに500エラーが発生します。
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4
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-
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4
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+
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5
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-
ClassNotFoundExceptionが出て
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5
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+
ClassNotFoundExceptionが出ており、
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6
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+
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6
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-
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7
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+
web.xmlの設定、またはjspでのform内のURL指定が誤っているのかと
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8
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+
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9
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思いましたが、jspからサーブレットを問題なく呼び出せているソースと
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10
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+
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7
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-
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11
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比較したところ、web.xmlの記述などには差異は見られませんでした。
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8
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-
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12
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+
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13
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14
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9
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-
ご助言
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15
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ご助言いただければ幸いです。
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10
16
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11
17
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12
18
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@@ -319,3 +325,221 @@
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319
325
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320
326
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321
327
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```
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328
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+
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329
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+
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330
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331
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332
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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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+
こちらが問題なく動作するソース。
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338
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+
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339
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動作としてはindex.jspで入力された値をResult.javaのサーブレット側で取得し計算を行うというもの。
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340
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+
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341
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ClassNotFoundExceptionが発生せず処理を行なえている。
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342
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343
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+
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344
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345
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346
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347
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index.jsp
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348
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349
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```
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350
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351
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+
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352
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353
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354
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355
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<%@ page language="java" contentType="text/html; charset=UTF-8"
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356
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357
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pageEncoding="UTF-8"%>
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358
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359
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<!DOCTYPE html >
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360
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361
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<html>
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362
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363
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<head>
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364
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365
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<meta charset=UTF-8">
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366
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367
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<title>映画料金計算</title>
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368
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+
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369
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</head>
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370
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+
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371
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<body>
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372
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373
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<h1>映画料金を計算しゃす！</h1>
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374
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375
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<form action = "/movieFee/servlet/Result" method = "Post">
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376
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377
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性別:<br>
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378
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379
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男<input type = "radio" name = "gender" value = "0" required>
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380
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381
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女<input type = "radio" name = "gender" value = "1"><br>
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382
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383
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年齢:<br>
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384
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+
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385
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<input type = "number" name = "age" required><br>
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386
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387
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タイプ:<br>
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388
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+
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389
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3D<input type = "radio" name = "type" value = "0" required>
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390
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391
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2D<input type = "radio" name = "type" value "1">
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392
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<input type = "submit" value = "計算へ">
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394
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395
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</body>
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396
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+
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397
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</html>
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398
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+
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399
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+
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400
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+
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401
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```
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402
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+
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403
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+
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404
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+
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405
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+
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406
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407
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Result.java
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408
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409
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+
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410
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+
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411
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+
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412
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+
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413
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```
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414
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+
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415
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+
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416
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+
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417
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package servlet;
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418
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419
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420
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421
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import java.io.IOException;
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422
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423
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import javax.servlet.ServletException;
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424
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+
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425
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+
import javax.servlet.annotation.WebServlet;
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426
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+
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427
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+
import javax.servlet.http.HttpServlet;
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428
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+
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429
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+
import javax.servlet.http.HttpServletRequest;
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430
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+
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431
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+
import javax.servlet.http.HttpServletResponse;
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432
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+
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433
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+
|
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434
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+
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435
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+
//@WebServlet("/Result")
|
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436
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+
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437
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+
public class Result extends HttpServlet {
|
|
438
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+
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439
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private static final long serialVersionUID = 1L;
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440
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+
|
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441
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+
|
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442
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+
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443
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+
protected void doPost(HttpServletRequest request, HttpServletResponse response)
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444
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+
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445
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+
throws ServletException, IOException {
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446
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+
|
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447
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int age = -1;
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448
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+
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449
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+
|
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450
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+
|
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451
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+
// リクエストパラメータを取得
|
|
452
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+
|
|
453
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+
request.setCharacterEncoding("UTF-8");
|
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454
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+
|
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455
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+
String gender = request.getParameter("gender");
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456
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+
|
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457
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age = Integer.parseInt(request.getParameter("age"));
|
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458
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+
|
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459
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+
String type = request.getParameter("type");
|
|
460
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+
|
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461
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+
|
|
462
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+
|
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463
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+
// Calcクラスのインスタンスを生成
|
|
464
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+
|
|
465
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+
Calc calc = new Calc();
|
|
466
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+
|
|
467
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+
|
|
468
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+
|
|
469
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+
// 計算結果を代入
|
|
470
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+
|
|
471
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+
int result = calc.movieFeeCalc(age, gender, type);
|
|
472
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+
|
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473
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+
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474
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+
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475
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request.setAttribute("result", result);
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476
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+
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477
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+
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478
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+
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479
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getServletConfig().getServletContext().getRequestDispatcher("/WEB-INF/jsp/result.jsp").forward(request,
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480
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+
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481
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+
response);
|
|
482
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+
|
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483
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+
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|
484
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+
|
|
485
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+
}
|
|
486
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+
|
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487
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+
|
|
488
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+
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|
489
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+
}
|
|
490
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+
|
|
491
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+
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|
492
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+
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|
493
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+
```
|
|
494
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+
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|
495
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+
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|
496
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+
|
|
497
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+
|
|
498
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+
|
|
499
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+
web.xml
|
|
500
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+
|
|
501
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+
|
|
502
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+
|
|
503
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+
```
|
|
504
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+
|
|
505
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+
|
|
506
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+
|
|
507
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+
<?xml version="1.0" encoding="ISO-8859-1"?>
|
|
508
|
+
|
|
509
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+
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
|
510
|
+
|
|
511
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+
xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:web="http://xmlns.jcp.org/xml/ns/javaee"
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|
512
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+
|
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513
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+
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
|
|
514
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+
|
|
515
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+
version="2.4">
|
|
516
|
+
|
|
517
|
+
|
|
518
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+
|
|
519
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+
<servlet>
|
|
520
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+
|
|
521
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+
<servlet-name>Result</servlet-name>
|
|
522
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+
|
|
523
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+
<servlet-class>servlet.Result</servlet-class>
|
|
524
|
+
|
|
525
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+
</servlet>
|
|
526
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+
|
|
527
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+
|
|
528
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+
|
|
529
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+
<servlet-mapping>
|
|
530
|
+
|
|
531
|
+
<servlet-name>Result</servlet-name>
|
|
532
|
+
|
|
533
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+
<url-pattern>
|
|
534
|
+
|
|
535
|
+
/servlet/Result
|
|
536
|
+
|
|
537
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+
</url-pattern>
|
|
538
|
+
|
|
539
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+
</servlet-mapping>
|
|
540
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+
|
|
541
|
+
</web-app>
|
|
542
|
+
|
|
543
|
+
|
|
544
|
+
|
|
545
|
+
```
|