調整途中

src/main/java/com/example/repository/WalletsRepository.java

@@ -8,4 +8,5 @@ import com.example.domain.Wallets;
 //ウォレット情報をDBから取得
 @Repository
 public interface WalletsRepository extends JpaRepository<Wallets, Integer> {
+	public Wallets findByUserId(Integer id);
 }

src/main/java/com/example/service/WalletsService.java

@@ -19,7 +19,7 @@ public class WalletsService {
 	}
 	
 	public Wallets findOne(Integer id){
-		return walletsRepository.findOne(id);
+		return walletsRepository.findByUserId(id);
 	}
 	
 	public Wallets create(Wallets wallet){

src/main/resources/static/js/cart.js

@@ -38,6 +38,7 @@ $('#ok-btn').on('click',function(){
     })
     .fail(function(){
     	alert("ウォレットの残高が足りません。チャージしてください");
+    	window.location.href = ($('#wallets').attr('href'));
     })
 });
 

src/main/resources/templates/cart.html

@@ -66,7 +66,7 @@
                             <li><a th:href="@{/limited/top}">Home</a></li>
                             <li><a th:href="@{/limited/list}">Shop</a></li>
                             <li><a th:href="@{/limited/log/{id}(id=${user.id})}">My Purchase Log</a></li>
-                            <li><a th:href="@{/limited/wallets/{id}(id=${user.id})}">Wallets</a></li>
+                            <li><a id="wallets" th:href="@{/limited/wallets/{id}(id=${user.id})}">Wallets</a></li>
                         </ul>
                         <ul class="nav navbar-nav navbar-right cart-menu">
                         <li><a class="search-btn"><i class="fa fa-search" aria-hidden="true"></i></a></li>