JSP 基础之 JSTL <c:choose>用法 if else
<c:choose>
<c:when test="${condition1}">
condition1为true
</c:when>
<c:when test="${ condition2}">
condition2为true
</c:when>
<c:otherwise>
condition1和condition2都为false
</c:otherwise>
</c:choose>

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