 <td>
                                    <label>当前行：{{startLine}}-{{endLine}} (总行数：{{totalNum}})</label>
                                </td>

                                <td>
                                    <button type="submit" style="" popover-placement='top' popover-trigger="mouseenter" popover="向前翻页" class="btn btn-sm btn-default"  ng-click="getDeployLog(currentLogFile, startLine-500)">
                                        <Strong><<</Strong>
                       