<c:forEach items="${list2.classifyList}" var="list3"> //最外面循环
<c:set var="isDoing" value="0"/>?//在里面循环外赋值
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<c:forEach items="${spcList}" var="spcList" varStatus="i" > //第二层循环
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<c:if test="${spcList.classifyid==list3.serialnumber}"> //判断相等后根据ID显示名称
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?<input type="checkbox" name="classify" value="${list3.serialnumber}" checked>${list3.name}
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?<c:set var="isDoing" value="1"/> //赋值跳出循环
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</c:if>????????? ?
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</c:forEach>
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?<c:if test="${isDoing!='1'}"> //如果等于赋的值显示最外面循环内容
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?<input type="checkbox" name="classify" value="${list3.serialnumber}">${list3.name}
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</c:if>
</c:forEach>