พอจะมีตัวอย่าง คลิกเลือก checkbox ด้านหน้ารายการที่เราต้องการ Export data(เลือกเฉพาะรายการที่เราต้องการ) ที่เป็น php ไหมคะ

<?php 


date_default_timezone_set('Asia/Bangkok');

            /** PHPExcel */
            require_once '../PHPExcel/Classes/PHPExcel.php';
            
            $objPHPExcel = new PHPExcel();
            
            
            $objPHPExcel->getProperties()->setCreator("Maarten Balliauw")
                                         ->setLastModifiedBy("Maarten Balliauw")
                                         ->setTitle("Office 2007 XLSX Test Document")
                                         ->setSubject("Office 2007 XLSX Test Document")
                                         ->setDescription("Test document for Office 2007 XLSX, generated using PHP classes.")
                                         ->setKeywords("office 2007 openxml php")
                                         ->setCategory("Test result file");
            
            
            $objPHPExcel->setActiveSheetIndex(0)
            
                        ->setCellValue('A1', 'วันที่')
                        ->setCellValue('B1', 'เวลาเข้า - ออก')
                        ->setCellValue('C1', 'เลขคงที่')
                        ->setCellValue('D1', 'รหัส')
                        ->setCellValue('E1', 'ค่าคงที่')
                        ->setCellValue('F1', 'รวม');
            
            $objPHPExcel->getActiveSheet()
                        ->getStyle('A1:F1')
                        ->getAlignment()
                        ->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_CENTER);
            
            $objPHPExcel->getActiveSheet()->getStyle('A1:F1')->getFill()
                        ->setFillType(PHPExcel_Style_Fill::FILL_SOLID)
                        ->getStartColor()->setARGB('9AD5FF');

            $checkboxes = isset($_POST['ChkSelExp']) ? $_POST['ChkSelExp'] : array();

            foreach($checkboxes as $value) {

         
            
       
                        include '../config/connect.php';
                    
                            $strSQL = "SELECT ut_id, ut_start_date, ut_timein, ut_end_date, ut_timeout 
                                       FROM update_time 
                                       WHERE ut_id = '".$value."'";
                            
                            $objQuery = $conn->query($strSQL);
                            
                            $i = 2;
                            
                            $constant1 = "00010000";
                            $constant2 = "0001";

                            
                       // $resultData = array();
                       // $row = array();

                            while($row = $objQuery->fetch_assoc())
                            {
                            
                 //       array_push($resultData,$row);

                               // {

                            if ($row['ut_timein'] != 'Choose Time In' && $row['ut_start_date'] != '') {
                            
                                $utEMPID = $row['ut_empid'];
                                
            
                                $startdate = $row['ut_start_date']; 
                            
                           
                                
                                $conDates   = substr($startdate, 0,2);
                                $viewDates  = substr($conDates, 0,2);
                                                                            
                                $conMonths  = substr($startdate, 3,5);
                                $viewMonths = substr($conMonths, 0,2);
                                
                                $conYears   = substr($startdate, 6,10);
                                $viewYears  = substr($conYears, 0,4);
                                
                                $ReadStartDate = $viewYears.$viewMonths.$viewDates;
                            
                                //Time in
                              
                                $timein = $row['ut_timein'];
                                    
                                $contimeIna  = substr($timein, 0,2);
                                $viewtimeIna = substr($contimeIna, 0,2);
                                
                                $contimeInb = substr($timein, 3,5);
                                $viewtimeInb = substr($contimeInb, 0,2);
                                    
                                $viewTimein = $viewtimeIna.$contimeInb;
                                
                                $objPHPExcel->getActiveSheet()->setCellValue('A' . $i, $ReadStartDate);
                                $objPHPExcel->getActiveSheet()->setCellValue('B' . $i, $viewTimein);
                                $objPHPExcel->getActiveSheet()->setCellValue('C' . $i, $constant1);
                                $objPHPExcel->getActiveSheet()->setCellValue('D' . $i, $utEMPID);
                                $objPHPExcel->getActiveSheet()->setCellValue('E' . $i, $constant2);
                                $objPHPExcel->getActiveSheet()->setCellValue('F' . $i, $ReadStartDate.$viewTimein.$constant1.$utEMPID.$constant2);
                            
                                $i++;
                            
                            } else if ($row['ut_timein'] != 'Choose Time In' && $row['ut_start_date'] != '') {
                            
                                $i++;
                            }
                            
                             if ($row['ut_timeout'] != 'Choose Time Out' && $row['ut_end_date'] != '') {
                                    //End Date
                                    $enddate = $row['ut_end_date'];
                                    
                                    $conDates   = substr($enddate, 0,2);
                                    $viewDates  = substr($conDates, 0,2);
                                                                            
                                    $conMonths  = substr($enddate, 3,5);
                                    $viewMonths = substr($conMonths, 0,2);
                                    
                                    $conYears   = substr($enddate, 6,10);
                                    $viewYears  = substr($conYears,0,4);
                                    
                                    $ReadEndDate = $viewYears.$viewMonths.$viewDates;
                            
                                    // Time Out
                                    $timeout = $row['ut_timeout'];
                                    
                                    $contimeOuta  = substr($timeout, 0,2);
                                    $viewtimeOuta = substr($contimeOuta, 0,2);
                                    
                                    $contimeOutb  = substr($timeout, 3,5);
                                    $viewtimeOutb = substr($contimeOutb, 0,2);
                                    
                                    $viewTimeout = $viewtimeOuta.$contimeOutb;
                                    
                                    $objPHPExcel->getActiveSheet()->setCellValue('A' . $i, $ReadEndDate);
                                    $objPHPExcel->getActiveSheet()->setCellValue('B' . $i, $viewTimeout);
                                    $objPHPExcel->getActiveSheet()->setCellValue('C' . $i, $constant1);
                                    $objPHPExcel->getActiveSheet()->setCellValue('D' . $i, $utEMPID);
                                    $objPHPExcel->getActiveSheet()->setCellValue('E' . $i, $constant2);
                                    $objPHPExcel->getActiveSheet()->setCellValue('F' . $i, $ReadEndDate.$viewTimeout.$constant1.$utEMPID.$constant2);
                                    
                                    $i++;
                            
                             } else if($row['ut_timeout'] == 'Choose Time Out' && $row['ut_end_date'] == '') {
                            
                                    $i++;
                             }
                              
                        }
                   // }
                            
                    

              }
                        
        //     }
        // }
              
            }




                        $conn->close();
                        
                        $objPHPExcel->getActiveSheet()->setTitle('Update Time');
                        
                        $objPHPExcel->setActiveSheetIndex(0);
                        
                        header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
                        header('Content-Disposition: attachment;filename="report_excel_update_time.xlsx"');
                        header('Cache-Control: max-age=0');
                        header('Cache-Control: max-age=1');
                        
                        $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');
                        
                        $strFileName = "report_excel_update_time.xlsx";
                        
                        $objWriter->save('php://output');
                    



  


?>