[edit]バグ修正をしました

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

@@ -47,13 +47,15 @@ private BookInsertRepository bookInsertRepository;
 	// 初期表示: 空のformを渡す(th:fieldの初期値が空になる)
 
 	// 確認画面から戻る: POSTされた入力中の値がformに入ったまま入力画面へ
+	//入力内容確認してOKであれば確認画面へ
 	@PostMapping("/bookInsertConfirm")
 	public String bookInsertConfirm(@Validated BookInsert bookInsert, BindingResult result, Model model) {
 		if (result.hasErrors()) {
 			model.addAttribute("nextBookManageId", bookInsertService.createBookManageId());
 			model.addAttribute("categoryList", categoryRepository.findAll());
 			if (bookInsert.getBookCategoryId() != null) { //nullじゃなかったら
-	    			model.addAttribute("subCategoryList",subCategoryRepository.findByBookCategory_BookCategoryId(bookInsert.getBookCategoryId()));
+				model.addAttribute("subCategoryList",
+						subCategoryRepository.findByBookCategory_BookCategoryId(bookInsert.getBookCategoryId()));
 				//そのカテゴリに属するサブカテゴリを持ってくる
 			} else {
 				model.addAttribute("subCategoryList", subCategoryRepository.findAll());
@@ -68,27 +70,18 @@ private BookInsertRepository bookInsertRepository;
 		return "bookInsertConfirm";
 	}
 
-	    //確認画面から「もどる」ボタンを押したら入力画面に戻る
-	    @PostMapping("/bookInsert")
-	    public String bookInsertBack(BookInsert bookInsert,Model model) {
-	    	model.addAttribute("nextBookManageId",bookInsertService.createBookManageId());
-	    	model.addAttribute("categoryList",categoryRepository.findAll());
-	    	if(bookInsert.getBookCategoryId() !=null) {
-	    		model.addAttribute("subCategoryList",subCategoryRepository.findByBookCategory_BookCategoryId(bookInsert.getBookCategoryId()));
-	    			} else{
-	    				model.addAttribute("subCategoryList",subCategoryRepository.findAll());
-	    			}
-	    		model.addAttribute("locationList",storageLocationRepository.findAll());
-	    		model.addAttribute("bookInsert",bookInsert);
-	        return "bookInsert";
-	    }
-	    
 	@PostMapping("/bookInsert/category")
 	public String changeCategory(BookInsert bookInsert, Model model) {
 		//カテゴリプルダウンに表示するデータを取得
 		model.addAttribute("nextBookManageId", bookInsertService.createBookManageId());
 		model.addAttribute("categoryList", categoryRepository.findAll());
-	    		model.addAttribute("subCategoryList",subCategoryRepository.findByBookCategory_BookCategoryId(bookInsert.getBookCategoryId()));
+		if (bookInsert.getBookCategoryId() != null) { //nullじゃなかったら
+			model.addAttribute("subCategoryList",
+					subCategoryRepository.findByBookCategory_BookCategoryId(bookInsert.getBookCategoryId()));
+			//そのカテゴリに属するサブカテゴリを持ってくる
+		} else {
+			model.addAttribute("subCategoryList", subCategoryRepository.findAll());
+		}
 		model.addAttribute("locationList", storageLocationRepository.findAll());
 		model.addAttribute("bookInsert", bookInsert);
 
@@ -97,13 +90,7 @@ private BookInsertRepository bookInsertRepository;
 
 }
 
-
-
 //画面で選択したカテゴリbookInsert.getBookCategoryId()に選択した結果をいれる
 //subCategoryRepository.findBookCategory_BookCategoryId(bookInsert.getBookCategoryId(1)));
 //「カテゴリIDが1のサブカテゴリを取ってくる」
 //model.addAttribute("subCategoryList",取得結果)
-	    
-
-	   
-	 

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

@@ -1,8 +1,11 @@
 package com.example.demo.controller;
 
+import java.util.List;
+
 import jakarta.servlet.http.HttpSession;
 import jakarta.validation.Valid;
 
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.validation.BindingResult;
@@ -11,7 +14,9 @@ import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 
 import com.example.demo.entity.AccountEntity;
+import com.example.demo.entity.Employee;
 import com.example.demo.form.LoginForm;
+import com.example.demo.repository.EmployeeRepository;
 import com.example.demo.service.LoginService;
 
 import lombok.RequiredArgsConstructor;
@@ -21,12 +26,20 @@ import lombok.RequiredArgsConstructor;
 public class LoginController {
 
 	private final LoginService loginService;
+	@Autowired
+	private EmployeeRepository employeeRepository;
+
 
 	// Boot起動直後にログイン画面に移動する用のメソッド
 	@GetMapping("/")
-	public String index(HttpSession session) {
+	public String index(Model model,HttpSession session) {
 		if (session.getAttribute("loginEmployee") != null) {
-			return "redirect:/topmenu";
+			if(session.getAttribute("EmployeeId") != null) {
+				
+				List<Employee> emrp = employeeRepository.findByEmployeeId((Integer)session.getAttribute("EmployeeId") );
+				model.addAttribute("LoginName",emrp.getFirst().getEmployeeName());
+			}
+				return "topmenu";
 		}
 		return "redirect:/login";
 	}
@@ -34,7 +47,12 @@ public class LoginController {
 	@GetMapping("/login")
 	public String loginForm(Model model, HttpSession session) {
 		if (session.getAttribute("loginEmployee") != null) {
-			return "redirect:/topmenu";
+			if(session.getAttribute("EmployeeId") != null) {
+				
+				List<Employee> emrp = employeeRepository.findByEmployeeId((Integer)session.getAttribute("EmployeeId") );
+				model.addAttribute("LoginName",emrp.getFirst().getEmployeeName());
+			}
+			return "topmenu";
 		}
 
 		model.addAttribute("loginForm", new LoginForm());
@@ -61,7 +79,13 @@ public class LoginController {
 		}
 
 		session.setAttribute("loginEmployee", accountEntity);
-		return "redirect:/topmenu";
+		
+		List<Employee> emrp = employeeRepository.findByEmployeeId(accountEntity.getEmployee().getEmployeeId());
+		model.addAttribute("LoginName",emrp.getFirst().getEmployeeName());
+		session.setAttribute("EmployeeId", accountEntity.getEmployee().getEmployeeId());
+		
+
+		return "topmenu";
 	}
 	
 	// ログアウト処理
@@ -73,7 +97,13 @@ public class LoginController {
 
 	// 各画面からトップメニューへの遷移用
 	@GetMapping("/topmenu")
-	public String showTopMenu() {
+	public String showTopMenu(Model model,HttpSession session) {
+		
+		if(session.getAttribute("EmployeeId") != null) {
+			
+			List<Employee> emrp = employeeRepository.findByEmployeeId((Integer)session.getAttribute("EmployeeId") );
+			model.addAttribute("LoginName",emrp.getFirst().getEmployeeName());
+		}
 		return "topmenu";
 	}
 }

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

@@ -1,5 +1,7 @@
 package com.example.demo.repository;
 
+import java.util.List;
+
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
@@ -8,4 +10,6 @@ import com.example.demo.entity.BookLend;
 @Repository
 public interface BookLendRepository extends JpaRepository<BookLend, Integer> {
 
+	List<BookLend> findBybookStatus(Integer bookStatus);
+	
 }

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

@@ -15,7 +15,7 @@ public class BookLendService {
 	private BookLendRepository bookLendRepository;
 
 	public List<BookLend> findAll() {
-		return bookLendRepository.findAll();
+		return bookLendRepository.findBybookStatus(1);
 	}
 
 }

src/main/resources/templates/topmenu.html

@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html xmlns:th="http://www.thymeleaf.org">
 	
 <head>
 	<meta charset="UTF-8">
@@ -17,7 +17,7 @@
 		<div class="header-right">
 
 			<span class="user">
-				テストユーザー（一般）
+				<h1 th:text="${LoginName}"></h1>
 			</span>
 
 			<a class="button-link" th:href="@{/logout}">
@@ -61,6 +61,7 @@
 	<hr>
 
 	<!-- ===== 管理者のみ ===== -->
+	<th th:if="${session.loginEmployee.adminFlag == 1}">		
 
 		<a class="card" href="/bookInsert">
 
@@ -71,6 +72,7 @@
 		</p>
 	</a>
 	
+
 	<hr>
 
 
@@ -103,7 +105,12 @@
 			初期パスワードを<br> 変更します。
 		</p>
 	</a>
+	</th>
 
 </body>
 
+<script>
+  var admin =getElementByID
+</script>
+
 </html>