fix<购物车移出问题>

src/main/java/example/dao/CartDao.java

@@ -18,7 +18,7 @@ public class CartDao {
 //   移除购物车
     public int deleteCart(Integer user_id, Integer product_id) throws Exception {
         String sql = "delete from cart where user_id=? and product_id=?";
-        return queryRunner.update(sql, user_id, product_id);
+        return queryRunner.update(sql, product_id, user_id);
     }
 //    某用户的购物车
     public List<Computer> getCart(Integer user_id) throws Exception {

src/main/webapp/index.jsp

@@ -16,7 +16,7 @@
             <a href="/user?action=list">用户列表</a>
             <a href="/orders?action=all">所有订单</a>
         </c:if>
-        <a href="/logout">注销登录</a>
+        <a href="/logout">退出</a>
 
     </c:if>
     <c:if test="${sessionScope.user == null}">