function createExcel($array) {
        if(empty($array)) return false;
        /** Error reporting */
        /*error_reporting(E_ALL);
        ini_set('display_errors', TRUE);
        ini_set('display_startup_errors', TRUE);*/
        set_time_limit(0);
        $o_ci = & get_instance();
        $o_ci->load->library('PHPExcel');//引入PHPExcel類庫
        $objPHPExcel  = new PHPExcel();//例項化PHPExcel類
        //設定文件基本屬性
        $objPHPExcel->getProperties()
                 ->setCreator('Gary.F.Dong') //設定建立者
                 ->setLastModifiedBy(date('Y-m-d',time())) //設定時間
                 ->setTitle('Filters') //設定標題
                 ->setSubject('產品Filters選項') //設定備註
                 ->setDescription('匯出所有產品的Filters') //設定描述
                 ->setKeywords('Filters') //設定關鍵字 | 標記
                 ->setCategory('Filters'); //設定類別
        //$objPHPExcel->getAlignment()->setVertical(PHPExcel_Style_Alignment::VERTICAL_CENTER);//垂直居中
        // 迴圈所有的產品線，一個產品線作為一個sheet
        $index = 0;
        foreach ($array['prodlines'] as $key => $value) {
            //設定預設行高
            $objPHPExcel->getActiveSheet($index)->getDefaultRowDimension()->setRowHeight(20);
            //設定單元格的對齊方式
            $objPHPExcel->getDefaultStyle()->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_LEFT);//水平居右
            //設定第一列的字型大小
            $objPHPExcel->getActiveSheet()->getStyle("A1:A".(count($array['spectitle'][$value['conf_name']])+1))->getFont()->setSize(14);
            //設定單元格保護
            //$objPHPExcel->getActiveSheet()->getProtection()->setSheet(true);  // 為了使任何表保護，需設定為真
            //$objPHPExcel->getActiveSheet()->protectCells("A1:A".(count($array['spectitle'][$value['conf_name']])+1), 'Gary' ); // 加密密碼是 Gary
            //取得當前行數和列數,然後取消中間部分的單元格保護
            $all_rows_num = count($array['spectitle'][$value['conf_name']])+1;
            $all_column_num = count($array['allprod'][$value['conf_name']])+1;
            $columnString = PHPExcel_Cell::stringFromColumnIndex($all_column_num);
            //$objPHPExcel->getActiveSheet()->getStyle("B2:".$columnString.$all_rows_num)->getProtection()->setLocked( PHPExcel_Style_Protection::PROTECTION_UNPROTECTED );
            //如果當前產品線的attributes為空，跳過
            if(empty($array['spectitle'][$value['conf_name']])) {continue;}
            //if(in_array($value['conf_name'], array('led_lighting','lighting','monitor'))) continue;
            //這隻A1 欄位的標題
            $objPHPExcel->setActiveSheetIndex($index)->setCellValue('A1','Filter');
            $objPHPExcel->getActiveSheet()->getStyle( 'A1')->getFont()->setSize(14);
            $objPHPExcel->getActiveSheet()->getStyle( 'A1')->getFont()->setBold(true);
            $objPHPExcel->getActiveSheet()->getStyle( 'A1')->getFont()->getColor()->setARGB(PHPExcel_Style_Color::COLOR_RED);
            //由於列數多大上百列，所以採取動態迴圈的方式
            $column = 2;
            foreach($array['spectitle'][$value['conf_name']] as $spectitlekey => $rows){ //行寫入,迴圈行數
                //$span = ord("B"); //獲取A的ASCII碼
                $span = 1;
                //設定父級填充顏色
                if($rows['parent_id'] ==0){
                    $objPHPExcel->getActiveSheet()->getStyle('A'.$column)->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID);
                    $objPHPExcel->getActiveSheet()->getStyle('A'.$column)->getFill()->getStartColor()->setRGB('cd99fe');
                }else{  //否則按照單雙號去設定顏色
                    /*if($column%2==1){
                        $objPHPExcel->getActiveSheet($index)->getStyle('A'.$column)->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID);
                        $objPHPExcel->getActiveSheet($index)->getStyle('A'.$column)->getFill()->getStartColor()->setRGB('ddddff');
                    }else{
                        $objPHPExcel->getActiveSheet($index)->getStyle('A'.$column)->getFill()->setFillType(PHPExcel_Style_Fill::FILL_SOLID);
                        $objPHPExcel->getActiveSheet($index)->getStyle('A'.$column)->getFill()->getStartColor()->setRGB('efefef');
                    }*/

                }
                $objPHPExcel->setActiveSheetIndex($index)->setCellValue('A'.$column,$rows['search_item']);
                // 設定寬度
                $objPHPExcel->getActiveSheet($index)->getColumnDimension('A')->setAutoSize(true);
                //$obpe->getActiveSheet()->getColumnDimension('B')->setWidth(10);
                foreach($array['allprod'][$value['conf_name']] as $prodid=>$products){// 列寫入
                    if(empty($products)) continue;
                    //$j = chr($span);
                    $j = PHPExcel_Cell::stringFromColumnIndex($span);
                    //寫入每一列第一行產品名
                    $objPHPExcel->setActiveSheetIndex($index)->setCellValue($j.'1',$products['model'] );
                    //$objPHPExcel->getActiveSheet()->getStyle( $j.'1')->getFont()->setSize(14);
                    //$objPHPExcel->getActiveSheet()->getStyle( $j.'1')->getFont()->setBold(true);
                    //$objPHPExcel->getActiveSheet()->getStyle($j.'1')->getFont()->getColor()->setARGB(PHPExcel_Style_Color::COLOR_RED);

                    $curSpecValue = $array['specvalues'][$value['conf_name']][$products['prod_id']][$rows['search_item']];
                    if(empty($curSpecValue||!isset($curSpecValue))) $curSpecValue='';
                    $objPHPExcel->setActiveSheetIndex($index)->setCellValue($j.$column,$curSpecValue );
                    $objPHPExcel->getActiveSheet($index)->getColumnDimension($j)->setAutoSize(true);
                    $span++;
                }
                $column++;
            } 
            // Rename worksheet
            $objPHPExcel->getActiveSheet($index)->setTitle($value['conf_name']);
            $index++;
            $objPHPExcel->createSheet();
            $objPHPExcel->setActiveSheetIndex($index);
            //if($index==3) break;

        }
        // Set active sheet index to the first sheet, so Excel opens this as the first sheet
        $objPHPExcel->setActiveSheetIndex(0);
        ob_end_clean(); // Added by me
        ob_start(); // Added by me
        $filename = 'filters-'.date('Y-m-d',time()).'.xlsx';

        $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');
        $objWriter->save(BQ_ADM_ROOT.'/media/tmp/'.$filename);
        return BQ_ADM_URL.'/media/tmp/'.$filename;

    }