[EDIT]二次実装である支出分析の年月表示を実装しました

src/main/resources/templates/analysis.html

@@ -5,6 +5,7 @@
 <title>分析画面</title>
 <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.7/dist/css/bootstrap.min.css" rel="stylesheet">
 </head>
+
 <body class="pb-5 pt-5">
 	
 	<div th:replace="~{header :: header}">
@@ -13,6 +14,23 @@
 	<div class="container mt-4">
 	<h2 class="text-center">支出分析</h2>
 	
+	<div class="text-center">
+
+		<a class="month-button" th:href="@{/analysis(year=${previousYear}, month=${previousMonth})}">
+			←
+		</a>
+
+		<div class="calendar-date">
+			<span class="year" th:text="|${year}年|"></span>
+			<span class="month" th:text="|${month}月|"></span>
+		</div>
+
+		<a class="month-button" th:href="@{/analysis(year=${nextYear}, month=${nextMonth})}">
+			→
+		</a>
+
+	</div>
+	
 	<table class="table text-center">
         <thead>
 	        <tr>