图片

默认无图 01

by 张侃

<div class="media" th:each="item:${partyTitle}">
  <div class="pull-left">
    <th:block th:if="${!#strings.isEmpty(item.listImage)}">
      <img th:src="${item.listImage}" width="120" height="90" alt="">
    </th:block>
    <th:block th:unless="${!#strings.isEmpty(item.listImage)}">
      <img src="/res/img/default-img.png" width="120" height="90" alt="默认图片">
    </th:block>
  </div>
  <a
    class="listlineClamp"
    th:href="${item.article.pcUrl}"
    th:text="${item.listTitle}"
  >
  </a>
</div>

简化版本

<!-- isEmpty 显示默认图 -->
<th:block th:if="${#strings.isEmpty(item.listImage)}">
  <img src="/assets/images/home/cover/1.png" draggable="false">
</th:block>
<th:block th:unless="${#strings.isEmpty(item.listImage)}">
  <img th:src="${item.listImage}" draggable="false">
</th:block>

默认无图 02

by chat gpt

<img
  th:src="${#strings.isEmpty(item.listImage) ? '/images/default.png' : item.listImage}"
  alt="图片"
/>