控制器

Map<String,Boolean> map= new HashMap<String, Boolean>();
for(Video v :videoList){
map.put(v.getOid()+"", false);
}

for (VideoRecord videoRecord : videoRecordList) {
			map.put(videoRecord.getVideo().getOid()+"", true);
		}

jsp

<c:forEach items="${videoList}" var="video">
                              <c:if test="${map[''.concat(video.oid)]}">
                               <p   class="color_66"   id="title_${video.oid}"   onclick = "getDetail('videodetail_${video.oid}')">
		                        	<span><img src="<c:url value='/resources/risk/images/public/pss_video.jpg' />" width="18" height="18">${video.videoName }</span>
		                            <span>已观看</span>
		                       </p>
		                       </c:if>
		                       <c:if test="${map[''.concat(video.oid)] eq false}">
		               			  <p  id="title_${video.oid}"   onclick = "getDetail('videodetail_${video.oid}')">
		                        	<span><img src="<c:url value='/resources/risk/images/public/pss_video.jpg' />" width="18" height="18">${video.videoName }</span>
		                            <span>未观看</span>
		                          </p>
							    </c:if>
     					<div class="clear"></div>
			       </c:forEach>