<c:if是一个简单的if子句。
<c:when>有多个if子句和else子句的选项。相比：
<c:if test="${foo == 'bar'}">...</c:if>与
<c:choose> <c:when test="${foo == 'bar'}">...</c:when> <c:when test="${foo == 'baz'}">...</c:when> <c:otherwise>...</c:otherwise></c:choose>
<c:if是一个简单的if子句。
<c:when>有多个if子句和else子句的选项。相比：
<c:if test="${foo == 'bar'}">...</c:if>与
<c:choose> <c:when test="${foo == 'bar'}">...</c:when> <c:when test="${foo == 'baz'}">...</c:when> <c:otherwise>...</c:otherwise></c:choose>名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
