コンフリクト解消

book-rent/src/main/java/com/example/demo/controller/BookController.java

@@ -1,15 +1,16 @@
 package com.example.demo.controller;
  
  
+import java.util.List;
+import java.util.stream.IntStream;
 
-
+import org.springframework.data.domain.Page;
-	
-
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 
+import com.example.demo.entity.BookCollection;
 import com.example.demo.service.BookService;
  
  
@@ -22,13 +23,24 @@ public class BookController {
         this.bookService = bookService;
     }
  
+ 
     /** メニューの「書籍一覧」＝条件なし（全件）、検索ボタン＝条件付きで同じURLを使う */
     @GetMapping("/books")
     public String list(@RequestParam(defaultValue = "") String nmBook,
                        @RequestParam(defaultValue = "") String publisher,
                        @RequestParam(defaultValue = "") String note,
+                       @RequestParam(defaultValue = "0") int page,
+                       @RequestParam(defaultValue = "10") int size,
                        Model model) {
-        model.addAttribute("books", bookService.searchLendable(nmBook, publisher, note));
+ 
+    	 Page<BookCollection> bookPage =
+    			 bookService.searchLendable(nmBook, publisher, note, page, size);
+    	 List<Integer> pageNumbers =
+    			 IntStream.range(0, bookPage.getTotalPages()).boxed().toList();
+ 
+        model.addAttribute("books", bookPage);
+        model.addAttribute("bookPage", bookPage);
+        model.addAttribute("pageNumbers", pageNumbers);
         // 検索条件を保持
         model.addAttribute("nmBook", nmBook);
         model.addAttribute("publisher", publisher);
@@ -37,3 +49,42 @@ public class BookController {
     }
  
 }
+//package com.example.demo.controller;
+//
+//
+//
+//
+//	
+//
+//import org.springframework.stereotype.Controller;
+//import org.springframework.ui.Model;
+//import org.springframework.web.bind.annotation.GetMapping;
+//import org.springframework.web.bind.annotation.RequestParam;
+//
+//import com.example.demo.service.BookService;
+//
+//
+///** BOOK-01：書籍検索（bookList.html） */
+//@Controller
+//public class BookController {
+//    private final BookService bookService;
+//
+//    public BookController(BookService bookService) {
+//        this.bookService = bookService;
+//    }
+//
+//    /** メニューの「書籍一覧」＝条件なし（全件）、検索ボタン＝条件付きで同じURLを使う */
+//    @GetMapping("/books")
+//    public String list(@RequestParam(defaultValue = "") String nmBook,
+//                       @RequestParam(defaultValue = "") String publisher,
+//                       @RequestParam(defaultValue = "") String note,
+//                       Model model) {
+//        model.addAttribute("books", bookService.searchLendable(nmBook, publisher, note));
+//        // 検索条件を保持
+//        model.addAttribute("nmBook", nmBook);
+//        model.addAttribute("publisher", publisher);
+//        model.addAttribute("note", note);
+//        return "bookList";
+//    }
+//
+//}

book-rent/src/main/java/com/example/demo/repository/BookCollectionRepository.java

@@ -1,8 +1,9 @@
 package com.example.demo.repository;
  
 import java.time.LocalDateTime;
-import java.util.List;
 
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;
@@ -22,10 +23,12 @@ public interface BookCollectionRepository extends JpaRepository<BookCollection,
 			+ "and (:publisher = '' or b.publisher like concat('%', :publisher, '%') escape '!') "
 			+ "and (:note = '' or b.note like concat('%', :note, '%') escape '!') "
 			+ "order by b.idBook")
-	List<BookCollection> search(@Param("lending") String lending,
+	Page<BookCollection> search(
-			@Param("nm") String nm,
+	        @Param("lending") String lending,
-			@Param("publisher") String publisher,
+	        @Param("nm") String nm,
-			@Param("note") String note);
+	        @Param("publisher") String publisher,
+	        @Param("note") String note,
+	        Pageable pageable);
  
 	/**
 	 * 貸出フラグを from → to に更新する（現在値が from のときだけ更新）。
@@ -37,3 +40,42 @@ public interface BookCollectionRepository extends JpaRepository<BookCollection,
 	int updateLending(@Param("id") Integer id, @Param("from") String from, @Param("to") String to,
 			@Param("uid") Integer uid, @Param("now") LocalDateTime now);
 }
+//package com.example.demo.repository;
+//
+//import java.time.LocalDateTime;
+//import java.util.List;
+//
+//import org.springframework.data.jpa.repository.JpaRepository;
+//import org.springframework.data.jpa.repository.Modifying;
+//import org.springframework.data.jpa.repository.Query;
+//import org.springframework.data.repository.query.Param;
+//
+//import com.example.demo.entity.BookCollection;
+//
+//public interface BookCollectionRepository extends JpaRepository<BookCollection, Integer> {
+//
+//	/**
+//	 * 貸出可の蔵書を部分一致(AND)で検索する。
+//	 * 空文字の条件は「指定なし」。LIKE の特殊文字は呼び出し側で '!' を使ってエスケープ済み。
+//	 */
+//	@Query("select b from BookCollection b "
+//			+ "where b.flgLending = :lending "
+//			+ "and (:nm = '' or b.nmBook like concat('%', :nm, '%') escape '!') "
+//			+ "and (:publisher = '' or b.publisher like concat('%', :publisher, '%') escape '!') "
+//			+ "and (:note = '' or b.note like concat('%', :note, '%') escape '!') "
+//			+ "order by b.idBook")
+//	List<BookCollection> search(@Param("lending") String lending,
+//			@Param("nm") String nm,
+//			@Param("publisher") String publisher,
+//			@Param("note") String note);
+//
+//	/**
+//	 * 貸出フラグを from → to に更新する（現在値が from のときだけ更新）。
+//	 * 戻り値が0なら、既に他の操作で状態が変わっている（状態不整合）。
+//	 */
+//	@Modifying(clearAutomatically = true, flushAutomatically = true)
+//	@Query("update BookCollection b set b.flgLending = :to, b.idUpdate = :uid, b.dateUpdate = :now "
+//			+ "where b.idBook = :id and b.flgLending = :from")
+//	int updateLending(@Param("id") Integer id, @Param("from") String from, @Param("to") String to,
+//			@Param("uid") Integer uid, @Param("now") LocalDateTime now);
+//}

book-rent/src/main/java/com/example/demo/service/BookService.java

@@ -1,7 +1,7 @@
 package com.example.demo.service;
  
-import java.util.List;
+import org.springframework.data.domain.Page;
-
+import org.springframework.data.domain.PageRequest;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -20,8 +20,8 @@ public class BookService {
  
     /** 貸出可の蔵書を検索する。全て未入力なら全件。 */
     @Transactional(readOnly = true)
-    public List<BookCollection> searchLendable(String nmBook, String publisher, String note) {
+    public Page<BookCollection> searchLendable(String nmBook, String publisher, String note,int page, int size) {
-        return bookRepository.search(Const.LENDING_OK, normalize(nmBook), normalize(publisher), normalize(note));
+        return bookRepository.search(Const.LENDING_OK, normalize(nmBook), normalize(publisher), normalize(note),PageRequest.of(page, size));
     }
  
     /** 前後の空白除去＋LIKE特殊文字(! % _)のエスケープ（エスケープ文字は '!'） */
@@ -29,5 +29,39 @@ public class BookService {
         if (s == null) return "";
         return s.trim().replace("!", "!!").replace("%", "!%").replace("_", "!_");
     }
-}
  
+ 
+}
+//package com.example.demo.service;
+//
+//import java.util.List;
+//
+//import org.springframework.stereotype.Service;
+//import org.springframework.transaction.annotation.Transactional;
+//
+//import com.example.demo.common.Const;
+//import com.example.demo.entity.BookCollection;
+//import com.example.demo.repository.BookCollectionRepository;
+//
+///** BOOK-01：書籍検索 */
+//@Service
+//public class BookService {
+//    private final BookCollectionRepository bookRepository;
+//
+//    public BookService(BookCollectionRepository bookRepository) {
+//        this.bookRepository = bookRepository;
+//    }
+//
+//    /** 貸出可の蔵書を検索する。全て未入力なら全件。 */
+//    @Transactional(readOnly = true)
+//    public List<BookCollection> searchLendable(String nmBook, String publisher, String note) {
+//        return bookRepository.search(Const.LENDING_OK, normalize(nmBook), normalize(publisher), normalize(note));
+//    }
+//
+//    /** 前後の空白除去＋LIKE特殊文字(! % _)のエスケープ（エスケープ文字は '!'） */
+//    static String normalize(String s) {
+//        if (s == null) return "";
+//        return s.trim().replace("!", "!!").replace("%", "!%").replace("_", "!_");
+//    }
+//}
+//

book-rent/src/main/resources/static/css/style.css

@@ -88,3 +88,34 @@ th
 {display:block;
 	margin:8px 0
 }
+
+/* Responsive (ဖုန်းစခရင်သေးများတွင် အောက်သို့ ဆင်းသွားစေရန်) */
+@media (max-width: 600px) {
+    .login-container-flex {
+        flex-direction: column;
+        align-items: center;
+        text-align: center;
+    }
+    .form-content-area {
+        width: 100%;
+    }
+    input[type=text], input[type=password], input[type=email] {
+        max-width: 100% !important;
+    }
+}
+/* ページネーション */
+.page-number {
+    display: inline-block;
+    background: #eaf4f6;
+    color: #176a78;
+    border: 1px solid #d4e3e6;
+    border-radius: 4px;
+    padding: 7px 12px;
+    margin: 2px;
+    text-decoration: none;
+    font-size: 14px;
+}
+ 
+.page-number:hover {
+    background: #d5edf1;
+}

book-rent/src/main/resources/templates/bookList.html

@@ -29,8 +29,8 @@
  
 		<div class="card">
 			<h2>検索結果</h2>
-			<p th:if="${#lists.isEmpty(books)}">該当する書籍はありません。</p>
+			<p th:if="${bookPage.isEmpty()}">該当する書籍はありません。</p>
-			<table th:unless="${#lists.isEmpty(books)}">
+			<table th:unless="${bookPage.isEmpty()}">
 				<thead>
 					<tr>
 						<th>蔵書ID</th>
@@ -60,8 +60,88 @@
 					</tr>
 				</tbody>
 			</table>
+			<a class="page-number"
+			   th:if="${bookPage.hasPrevious()}"
+			   th:href="@{/books(page=${bookPage.number-1}, nmBook=${nmBook}, publisher=${publisher}, note=${note})}">前へ</a>
+			<span th:each="pageNum : ${pageNumbers}">
+			    <a class="page-number"
+				   th:href="@{/books(page=${pageNum}, nmBook=${nmBook}, publisher=${publisher}, note=${note})}"
+			       th:text="${pageNum + 1}"></a>
+			</span>
+			<a class="page-number"
+			   th:if="${bookPage.hasNext()}"
+			   th:href="@{/books(page=${bookPage.number+1}, nmBook=${nmBook}, publisher=${publisher}, note=${note})}">次へ</a>
+			
 		</div>
 	</main>
+	
 </body>
  
 </html>
+<!--<!DOCTYPE html>-->
+<!--<html xmlns:th="http://www.thymeleaf.org">-->
+
+<!--<head>-->
+<!--	<meta charset="UTF-8">-->
+<!--	<title>書籍一覧</title>-->
+<!--	<link rel="stylesheet" th:href="@{/css/style.css}">-->
+<!--</head>-->
+
+<!--<body>-->
+<!--	<div th:replace="~{fragments/header :: header}"></div>-->
+<!--	<main>-->
+<!--		<h1>書籍一覧</h1>-->
+<!--		<div class="error" th:if="${errorMessage}" th:text="${errorMessage}"></div>-->
+<!--		<div class="card">-->
+<!--			<form th:action="@{/books}" method="get">-->
+<!--				<label for="nmBook">書籍名</label>-->
+<!--				<input type="text" id="nmBook" name="nmBook" th:value="${nmBook}">-->
+<!--				<label for="publisher">出版社</label>-->
+<!--				<input type="text" id="publisher" name="publisher" th:value="${publisher}">-->
+<!--				<label for="note">特記事項</label>-->
+<!--				<input type="text" id="note" name="note" th:value="${note}">-->
+<!--				<p><button type="submit">検索</button>-->
+<!--					<a class="btn sub" th:href="@{/menu}">メニューに戻る</a>-->
+<!--					<a class="btn" th:if="${session.loginUser.admin}" th:href="@{/admin/books/new}">書籍新規登録</a>-->
+<!--				</p>-->
+<!--			</form>-->
+<!--		</div>-->
+
+<!--		<div class="card">-->
+<!--			<h2>検索結果</h2>-->
+<!--			<p th:if="${#lists.isEmpty(books)}">該当する書籍はありません。</p>-->
+<!--			<table th:unless="${#lists.isEmpty(books)}">-->
+<!--				<thead>-->
+<!--					<tr>-->
+<!--						<th>蔵書ID</th>-->
+<!--						<th>ISBN</th>-->
+<!--						<th>書籍名</th>-->
+<!--						<th>書籍名よみ</th>-->
+<!--						<th>出版社</th>-->
+<!--						<th>特記事項</th>-->
+<!--						<th>操作</th>-->
+<!--					</tr>-->
+<!--				</thead>-->
+<!--				<tbody>-->
+<!--					<tr th:each="b : ${books}">-->
+<!--						<td th:text="${b.idBook}"></td>-->
+<!--						<td th:text="${b.isbn}"></td>-->
+<!--						<td th:text="${b.nmBook}"></td>-->
+<!--						<td th:text="${b.knBook}"></td>-->
+<!--						<td th:text="${b.publisher}"></td>-->
+<!--						<td th:text="${b.note}"></td>-->
+<!--						<td>-->
+<!--							 一般：貸出申請(LOAN-01) ／ 管理者：編集(BOOK-03) -->
+<!--							<a class="btn" th:unless="${session.loginUser.admin}"-->
+<!--								th:href="@{/loan/apply(idBook=${b.idBook})}">貸出申請</a>-->
+<!--							<a class="btn" th:if="${session.loginUser.admin}"-->
+<!--								th:href="@{/admin/books/edit(idBook=${b.idBook})}">編集</a>-->
+<!--						</td>-->
+<!--					</tr>-->
+<!--				</tbody>-->
+<!--			</table>-->
+<!--		</div>-->
+<!--	</main>-->
+<!--</body>-->
+
+<!--</html>-->