<div class="ibox-diy" th:if="${activity.activityType} eq 3">
    <div class="ibox-content-diy">
        <small>已付尾款订单数量small>
        <h1>[[${dailyData.tailOrderNum}]]h1>
    div>
div>
<div class="ibox-diy" th:if="${activity.activityType} ne 3">
    <div class="ibox-content-diy">
        <small>订单数量small>
        <h1>[[${dailyData.orderNum}]]h1>
    div>
div>

thymeleaf th:value 多个值拼接 使用+号 或者|符号 (不适用于th:field)

https://blog.csdn.net/torpidcat/article/details/89560173