設置menu菜單的圖片顯示

menu.html

 <ul class="nav navbar-nav">
   <li th:class="${#strings.isEmpty(goodsForm.commodityTypeId)?'active':''}"><a th:href="@{initIndex}"><i class="ico-nav ico-nav-1"></i>首頁</a></li>
   <li th:each="goodsInfo,status:${commodityType}" th:class="${goodsForm.commodityTypeId}==${goodsInfo.commodityTypeId}?'active':''">
    <a th:href="@{initGoods(commodityTypeId=${goodsInfo.commodityTypeId})}"><span th:class="${goodsInfo.ph}"></span><span th:text="${goodsInfo.commodityTypeName}"></span></a></li>
			    </ul>

distributeAlipayController.java

int sum=commodityType.size();
		for(int i=1;i<=sum;i++){
			commodityType.get(i-1).setPh("ico-nav"+" "+"ico-nav-"+(i%7+1));
		}
//在任何頁面，只要涉及到menu圖片顯示均可以用這三句代碼