Merge branch 'a-kawaguchi' of https://gitea.it-college.co.jp/2026_09_5H_Spring_KIZAKI/ShareBooks_new into s-tajihi

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

@@ -0,0 +1,14 @@
+package com.example.demo.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+@Controller
+public class Book {
+		@GetMapping("/book")
+		public String book() {
+			// HTMLテンプレートに welcome-spring.html を指定
+			return "book";
+		}
+	
+
+}

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

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+package com.example.demo.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.PostMapping;
+@Controller
+public class BookLend {
+		@PostMapping("/bookLend")
+		public String welcome() {
+			// HTMLテンプレートに welcome-spring.html を指定
+			return "bookLend";
+		}
+	
+
+}

src/main/resources/templates/book.html

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+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="UTF-8">
+<title>Insert title here</title>
+</head>
+<body>
+	<form method="post" 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>
+	                        画面遷移テスト
+	                    </button>
+	                </form>
+
+</body>
+</html>

src/main/resources/templates/bookLend.html

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+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="UTF-8">
+<title>Insert title here</title>
+</head>
+<body>
+	成功
+
+</body>
+</html>