不具合の修正

src/main/resources/templates/login.html

@@ -4,6 +4,7 @@
 <head>
 	<meta charset="UTF-8">
 	<title>ログイン</title>
+
 </head>
 
 <body>
@@ -16,7 +17,7 @@
 	<form th:action="@{/login}" th:object="${loginForm}" method="post">
 		<div class="form-group">
 			<label for="employeeId">社員ID</label>
-			<input id="employeeId" type="text" th:field="*{employeeId}">
+			<input id="employeeId" type="text" th:field="*{employeeId}"pattern="^[0-9]+$"title="数値以外は入力しないでください">
 			<p class="field-error" th:errors="*{employeeId}"></p>
 		</div>