courseware.downloadType 值为"01,02,03" <c:if test="${courseware.downloadType ne null and courseware.downloadType ne ''}">                         <c:forEach var="downloadType" items="${courseware.downloadType}" varStatus="status">             <c:if test="${downloadType eq '01'}"><c:set var="check01" value="checked='checked'" scope="page"/></c:if>             <c:if test="${downloadType eq '02'}"><c:set var="check02" value="checked='checked'" scope="page"/></c:if>             <c:if test="${downloadType eq '03'}"><c:set var="check03" value="checked='checked'" scope="page"/></c:if>                    </c:forEach>            <input type="checkbox" name="downloadType" ${check01} value="01" style="width:15px;height:13pt;background-color:#ffffff;border:0px;"/>视频            <input type="checkbox" name="downloadType" ${check02} value="02" style="width:15px;height:13pt;background-color:#ffffff;border:0px;"/>音频            <input type="checkbox" name="downloadType" ${check03} value="03" style="width:15px;height:13pt;background-color:#ffffff;border:0px;"/>讲义                          </c:if>