require_once 'PHPExcel/PHPExcel.php';//下載PHPExcel

/**
 * 匯出Excel
 * @param $data Array 匯出的資料
 */
function expUser($data){

    // 建立一個處理物件例項 
    $objExcel = new \PHPExcel();
    // 建立檔案格式寫入物件例項, uncomment 
    $objProps = $objExcel->getProperties();
    //設定建立者
    $objProps->setCreator('admin');
    //描述
    $objProps->setDescription("pprt");
    $objActSheet = $objExcel->getActiveSheet();
    //單元格賦值 
    $objActSheet->setCellValue('A1', 'imei號');  // 字串內容  
    $objActSheet->setCellValue('B1', '日期');
    $objActSheet->setCellValue('C1', '消耗電量');
    $objActSheet->setCellValue('D1', '檔案大小');
    $objActSheet->setCellValue('E1', '有效時間');
    $objActSheet->setCellValue('F1', '包率');

    $num = 1;
    foreach ($data as $k => $v) {
        $temp_date_arr = $v;
        foreach ($temp_date_arr as $key_date => $val_date){
            $num = $num + 1;
            $objActSheet->setCellValueExplicit('A' . $num, $k, PHPExcel_Cell_DataType::TYPE_STRING);
            $objActSheet->setCellValueExplicit('B' . $num, $key_date, PHPExcel_Cell_DataType::TYPE_STRING);
            $objActSheet->setCellValueExplicit('C' . $num, $val_date['total_use'].'%', PHPExcel_Cell_DataType::TYPE_STRING);
            $objActSheet->setCellValueExplicit('D' . $num, $val_date['total_size'], PHPExcel_Cell_DataType::TYPE_STRING);
            $objActSheet->setCellValueExplicit('E' . $num, $val_date['total_time'], PHPExcel_Cell_DataType::TYPE_STRING);
            $objActSheet->setCellValueExplicit('F' . $num, $val_date['pack_rate'], PHPExcel_Cell_DataType::TYPE_STRING);
            //設定行的屬性
            $objActSheet->getRowDimension($num)->setRowHeight('20px');//設定行高
            $objActSheet->getColumnDimension('F')->setAutoSize(true);//設定自動寬度
        }
        $num = $num + 1;
    }

    //設定行的屬性
    $objActSheet->getRowDimension(1)->setRowHeight('20px');//設定行高

    //設定列的屬性
    $objActSheet->getColumnDimension("A")->setWidth('20px'); // 設定寬度
    $objActSheet->getColumnDimension("B")->setWidth('20px'); // 設定寬度
    $objActSheet->getColumnDimension("C")->setWidth('20px'); // 設定寬度
    $objActSheet->getColumnDimension("D")->setWidth('20px'); // 設定寬度
    $objActSheet->getColumnDimension("E")->setWidth('20px'); // 設定寬度
    $objActSheet->getColumnDimension("F")->setWidth('20px'); // 設定寬度

    //匯出的檔名
    $outputFileName = iconv('UTF-8', 'gb2312', 'imei_' . time() . '.xls');

    //直接匯出檔案
    // PHPExcel_IOFactory::createWriter($objExcel, 'Excel5')->save($outputFileName);

    //檔案直接輸出到瀏覽器
    header('Pragma:public');
    header('Expires:0');
    header('Cache-Control:must-revalidate,post-check=0,pre-check=0');
    header('Content-Type:application/force-download');
    header('Content-Type:application/vnd.ms-excel');
    header('Content-Type:application/octet-stream');
    header('Content-Type:application/download');
    header('Content-Disposition:attachment;filename=' . $outputFileName);
    header('Content-Transfer-Encoding:binary');
    PHPExcel_IOFactory::createWriter($objExcel, 'Excel5')->save('php://output');

    //設定對齊方式	
    $objStyleA3 = $objActSheet->getStyle('A3');
    $objAlignA3 = $objStyleA3->getAlignment();
    $objAlignA3->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_RIGHT);
    $objAlignA3->setVertical(PHPExcel_Style_Alignment::VERTICAL_CENTER);
}