最优方案：

				<c:forEach items="${waterLevel}" var="device" varStatus="wl">
					<tr>
					    <c:if test="${wl.index==0}">
						   <th rowspan="${waterLevelLimitSumNum}">水位计2</th>
						</c:if>
						<th rowspan="${device.limitDataList.size()}">${device.name}</th>
						 <c:forEach items="${device.limitDataList}" var="limi" begin="0" end="0">
					            <td>${limi.parName}</td>
								<td>
								    <input class="noborder" name="maxValue" value="${limi.maxLimit}" maxlength="7"/>
								    <input name="devId" value="${limi.deviceId}" type="hidden"/>
								    <input name="parNam" value="${limi.parName}" type="hidden"/>
								</td>
								<td>
								    <input class="noborder" name="minValue" value="${limi.minLimit}" maxlength="7"/>
								</td>
								<td><input type="checkbox" id="${limi.deviceId}" name="${limi.parName}"/></td>
						 </c:forEach>
					</tr>
					<c:if test="${device.limitDataList.size()>1}">
						<tr>
						     <c:forEach items="${device.limitDataList}" var="limi" begin="1" >
						            <td>${limi.parName}</td>
									<td>
									    <input class="noborder" name="maxValue" value="${limi.maxLimit}" maxlength="7"/>
									    <input name="devId" value="${limi.deviceId}" type="hidden"/>
									    <input name="parNam" value="${limi.parName}" type="hidden"/>
									</td>
									<td>
									    <input class="noborder" name="minValue" value="${limi.minLimit}" maxlength="7"/>
									</td>
									<td><input type="checkbox" id="${limi.deviceId}" name="${limi.parName}"/></td>
							 </c:forEach>
						</tr>
					</c:if>
				</c:forEach>

?其次方案：

				<c:forEach items="${waterLevel}" var="device" varStatus="wl">
				    <tr>
					    <c:if test="${wl.index==0}">
						   <th rowspan="${waterLevelLimitSumNum}">水位计1</th>
						</c:if>
						<th rowspan="${device.limitDataList.size()}">${device.name}</th>
						<td>${device.limitDataList.get(0).parName}</td>
						<td>
						    <input class="noborder" name="maxValue" value="${device.limitDataList.get(0).maxLimit}" maxlength="7"/>
						    <input name="devId" value="${device.limitDataList.get(0).deviceId}" type="hidden"/>
						    <input name="parNam" value="${device.limitDataList.get(0).parName}" type="hidden"/>
						</td>
						<td>
						    <input class="noborder" name="minValue" value="${device.limitDataList.get(0).minLimit}" maxlength="7"/>
						</td>
						<td><input type="checkbox" id="${device.limitDataList.get(0).deviceId}" name="${device.limitDataList.get(0).parName}"/></td>
					</tr>
				    <c:if test="${device.limitDataList.size()==2}">
				        <tr>
				            <td>${device.limitDataList.get(1).parName}</td>
							<td>
							    <input class="noborder" name="maxValue" value="${device.limitDataList.get(1).maxLimit}" maxlength="7"/>
							    <input name="devId" value="${device.limitDataList.get(1).deviceId}" type="hidden"/>
							    <input name="parNam" value="${device.limitDataList.get(1).parName}" type="hidden"/>
							</td>
							<td>
							    <input class="noborder" name="minValue" value="${device.limitDataList.get(1).minLimit}" maxlength="7"/>
							</td>
							<td><input type="checkbox" id="${device.limitDataList.get(1).deviceId}" name="${device.limitDataList.get(1).parName}"/></td>
						</tr>
				    </c:if>
				</c:forEach>

?

最差方案：