[edit] !!!!✖エラー発生中のためプル✖!!!!（図書一覧表示）

src/main/java/com/example/demo/controller/BookController.java

@@ -1,15 +1,15 @@
 package com.example.demo.controller;
 
 import org.springframework.stereotype.Controller;
-import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+
 @Controller
 public class BookController {
-		@PostMapping("/book")
-		public String book() {
-			return "book";
-		}
-		
-		
-	
+	@GetMapping("/book")
+	public String book(Model model) {
+		model.addAttribute("book",bookService.findAll());
+		return "book";
+	}
 
 }

src/main/java/com/example/demo/entity/Book.java

@@ -0,0 +1,108 @@
+package com.example.demo.entity;
+
+import java.sql.Date;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+
+import lombok.Data;
+
+@Entity // このクラスがDBのテーブルに対応することを表す
+@Data
+@Table(name = "book")
+public class Book {
+	//貸出処理で使用する図書ID
+	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
+	@Column(name = "book_Id", nullable = false)
+	private int bookId;
+
+	// 図書管理ID（BK-1など）
+	@Column(name = "book_manage_id", nullable = true)
+	private String bookManageId;
+
+	// タイトル
+	@Column(name = "title", nullable = false)
+	private String title;
+
+	//ISBN
+	@Column(name = "isbn", nullable = false)
+	private String isbn;
+
+	// 著者名
+	@Column(name = "author", nullable = false)
+	private String author;
+
+	// 出版社
+	@Column(name = "publisher", nullable = true)
+	private String publisher;
+
+	// 出版日
+	@Column(name = "publication_date", nullable = true)
+	private Date publicationDate;
+
+	// サブカテゴリーID
+	@Column(name = "subcategory_id", nullable = false)
+	private Integer subcategoryId;
+
+	//	// カテゴリー名
+	//	@Column(name = "category_name", nullable = false)
+	//	private String categoryName;
+	//	
+	//	// サブカテゴリー名
+	//	@Column(name = "subcategory_name", nullable = false)
+	//	private String subcategoryName;
+
+	// 保管場所ID
+	@Column(name = "location_id", nullable = false)
+	private Integer locationId;
+
+	//	// 保管場所
+	//	@Column(name = "location_name", nullable = false)
+	//	private String locationName;
+
+	//	// 貸出状態
+	//	@Column(name = "book_Id", nullable = false)
+	//	private int bookStatus;
+
+	// 本の状態
+	@Column(name = "condition_s", nullable = false)
+	private int condition;
+
+	// 登録日
+	@Column(name = "created_at", nullable = false)
+	private Date createdAt;
+
+	// 更新日
+	@Column(name = "updated_at", nullable = false)
+	private Date updatedAt;
+
+	//削除フラグ
+	@Column(name = "is_deleted", nullable = false)
+	private Integer isDeleted;
+
+	// 寄贈者社員ID
+	@Column(name = "donor_id", nullable = true)
+	private String donorId;
+
+	//	// 寄贈者社員名
+	//	@Column(name = "donor_name", nullable = true)
+	//	private String donorName;
+
+	//	//返却予定日
+	//	@Column(name = "return_date", nullable = false)
+	//	private Date returnDate;
+
+	//備考
+	@Column(name = "description", nullable = true)
+	private String description;
+
+	//申請承認フラグ
+	@Column(name = "book_approval", nullable = false)
+	private Integer bookApproval;
+
+}

src/main/java/com/example/demo/form/BookForm.java

@@ -0,0 +1,5 @@
+package com.example.demo.form;
+
+public class BookForm {
+
+}

src/main/java/com/example/demo/repository/BookRepository.java

@@ -0,0 +1,9 @@
+package com.example.demo.repository;
+
+import java.awt.print.Book;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface BookRepository extends JpaRepository<Book, Integer>{
+
+}

src/main/java/com/example/demo/service/BookService.java

@@ -0,0 +1,11 @@
+package com.example.demo.service;
+
+import java.util.List;
+
+import com.example.demo.entity.Book;
+
+public interface BookService {
+	String booklist(Book book);
+
+	List<Book> findAll();
+}

src/main/java/com/example/demo/service/BookServiceImpl.java

@@ -0,0 +1,33 @@
+package com.example.demo.service;
+
+import java.awt.print.Book;
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import com.example.demo.entity.Book;
+import com.example.demo.repository.BookRepository;
+
+@Service
+public class BookServiceImpl implements BookService{
+	
+	@Autowired
+	private BookRepository bookRepository;
+
+	@Override
+	public String booklist(Book book) {
+		Book booklist = new Book();
+		booklist.set
+		return null;
+	}
+
+	@Override
+	public List<Book> findAll() {
+		// TODO 自動生成されたメソッド・スタブ
+		return null;
+	}
+	
+	
+
+}

src/main/resources/templates/book.html

@@ -1,18 +1,26 @@
 <!DOCTYPE html>
 <html>
+
 <head>
-<meta charset="UTF-8">
-<title>社内図書一覧</title>
+	<meta charset="UTF-8">
+	<title>社内図書一覧</title>
 </head>
+
 <body>
-	<form method="post" action="bookLend">
+	<form method="get" action="bookLend">
 
 
-	                    <button type="submit" class="btn-login">
-	                        <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M15 3h4a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2h-4"/><polyline points="10 17 15 12 10 7"/><line x1="15" y1="12" x2="3" y2="12"/></svg>
-	                        貸出
-	                    </button>
-	                </form>
+		<button type="submit" class="btn-login">
+			<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round"
+				stroke-linejoin="round">
+				<path d="M15 3h4a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2h-4" />
+				<polyline points="10 17 15 12 10 7" />
+				<line x1="15" y1="12" x2="3" y2="12" />
+			</svg>
+			貸出
+		</button>
+	</form>
 
 </body>
+
 </html>